write a ratio in fraction from and in lowest terms for each of the following □∆∆□□∆oo∆


a) squares to triangles

b) circles to squares to triangles

c) triangles to circles and squares​

Answers

Answer 1

Answer:

77

Step-by-step explanation:


Related Questions

a license plate has one letter (not i or o) followed by five digits. how many different plates are possible?]

Answers

There are 9,000,000 different possible license plates.

What is the total number of valid license plates consisting of one letter (excluding i and o) and five digits?

Since the license plate has one letter followed by five digits, we need to consider two cases separately:

Case 1: The letter can be any of the 24 letters of the alphabet, excluding 'i' and 'o'.

Case 2: Each digit can be any of the 10 digits from 0 to 9.

For the first position, there are 24 choices for the letter. For the second position, there are 10 choices for the digit. Similarly, there are 10 choices for the third, fourth, fifth, and sixth positions.

Therefore, the total number of possible license plates is:

24 x 10 x 10 x 10 x 10 x 10 = 24 x 10^5 = 9,600,000

However, we need to exclude the license plates that contain 'i' or 'o'. There are 2 choices for the first position, and 10 choices for the remaining positions.

Therefore, the total number of license plates that contain 'i' or 'o' is:

2 x 10 x 10 x 10 x 10 x 10 = 2 x 10^5 = 200,000

So the final answer is:

24 x 10^5 - 2 x 10^5 = 9,600,000 - 200,000 = 9,000,000

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Find the area of the shape.

Answers

The area of the given shape above would be = 228

How to calculate the area of the given shape above?

To calculate the area of the shape above, the shape is divided into three separate shapes and then added up together. This would be calculated using area of rectangle = length×width.

First shape; length = 15; width = 9

Area = 15×9 = 135

Second shape; Length = 17; width = 3

Area = 17×3 = 51

Third shape ; length = 14 width = 3

Area = 14×3 = 42

Therefore, area of the shape = 135+51+42 = 228

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Fill in the missing numbers for 6x-10y=-8 and 6x-5y=2 by using elimination.

Answers

if i was helpful Brainliests my answer ^_^

each point of the plane is colored red or blue. show that there is a rectangle whose corners are all the same color

Answers

We can always find a monochromatic rectangle by reducing the problem to finding a monochromatic rectangle in a smaller area by moving the bottom of the rectangle up by one unit method.

What is rectangle?

A rectangle is a quadrilateral (a 2-dimensional shape with four sides) with four right angles. This means that opposite sides of a rectangle are parallel and congruent, and all four angles are equal to 90 degrees.

Let us consider a rectangle with sides parallel to the coordinate axes. Such a rectangle can be uniquely determined by two pairs of points that define its opposite corners. If all four of these points are the same color, then we have found a monochromatic rectangle. Otherwise, there are three cases to consider:

The two points at the top of the rectangle are the same color, and the two points at the bottom are the other color. In this case, we can reduce the problem to finding a monochromatic rectangle in a smaller area by moving the bottom of the rectangle up by one unit.

The two points on the left side of the rectangle are the same color, and the two points on the right side are the other color. In this case, we can reduce the problem to finding a monochromatic rectangle in a smaller area by moving the left side of the rectangle to the right by one unit.

Both pairs of points are of mixed color. In this case, we can reduce the problem to finding a monochromatic rectangle in two smaller areas by dividing the rectangle into four equal parts with a vertical or horizontal line.

By repeating this process on the smaller rectangles obtained in each case, we can eventually find a monochromatic rectangle. Since the rectangles we consider at each step have half the area of the previous ones, this process terminates after at most log_2(A) steps, where A is the area of the original rectangle.

Therefore, we can always find a monochromatic rectangle with this method.

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Complete question:

Each point in the x-y plane colored red or blue. show that there is a rectangle whose corners are all the same color.

Solve the equation 3x – 9 = 5x + 9

Answers

Answer:

x = -9

Step-by-step explanation:

3x - 9 = 5x + 9

3x - 5x = 9 + 9

-2x = 18

x = 18 / - 2x = -9

Answer:

x=-9

Step-by-step explanation:

(3 x -9) - 9 = -36

(5 x -9) + 9 = -36

a die is rolled twice. what is the probability that the number in the second roll will be higher than that in the first?

Answers

The probability of rolling a higher number on the second roll is 15/36 or approximately 0.42.

When rolling a die, each roll has an equal chance of landing on any of the six possible outcomes. Therefore, the probability of rolling any specific number on the first roll is 1/6, and the probability of rolling a number higher than the first on the second roll is also 1/6.

To find the probability of both events happening, we can use the multiplication rule of probability, which states that the probability of two independent events occurring together is equal to the product of their individual probabilities.

So, the probability of rolling a number on the first roll and then rolling a higher number on the second roll is:

P = (1/6) x (1/6)

However, since the question doesn't specify a particular number for the first roll, we need to consider all the possible outcomes for the first roll. These outcomes are mutually exclusive and have an equal chance of happening, so we can add their probabilities to find the overall probability of rolling a higher number on the second roll:

P = (1/6) x (5/6) + (1/6) x (4/6) + (1/6) x (3/6) + (1/6) x (2/6) + (1/6) x (1/6) + (1/6) x 0

Simplifying this expression, we get:

P = 15/36

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what is true about quantitative versus qualitative research? multiple choice all of the statements about quantitative versus qualitative research are true. none of the statements about quantitative versus qualitative research are true. quantitative research is more subjective than qualitative research quantitative research is richer than qualitative research quantitative research is more time-consuming than qualitative research

Answers

None of the statements about quantitative versus qualitative research are true.

This is because the comparison between quantitative and qualitative research is not a matter of one being objectively better or more subjective, richer, or more time-consuming than the other. They are different approaches to research, each with its strengths and limitations, and the choice between them depends on the research question, the nature of the data, and the research design.

Quantitative research is characterized by the collection of numerical data that can be analyzed using statistical methods to identify patterns, relationships, and trends. This approach is used when the research question requires an objective measurement of variables that can be quantified and compared across groups. For example, a quantitative study may examine the relationship between height and weight in a population, using statistical techniques to identify the strength of the relationship and its significance.

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A jet airplane reaches 846. Km/h on a certain flight. What distance does it cover in 13.0 min? Set the math up. But don't do any of it. Just leave your answer as a math expression. Also, be sure your answer includes all the correct unit symbols.

Answers

Answer:

Distance = (846 km/h) × (13.0 min × (1 h / 60 min))

-----------------

To find the distance you can use the formula:

Distance = Speed × Time

Given:

Speed = 846 km/hTime = 13.0 min

First, we need to convert the time from minutes to hours:

13.0 min × (1 h / 60 min)

Now, set up the equation using the given values and units:

Distance = (846 km/h) × (13.0 min × (1 h / 60 min))

Assume a company has 7 departments and they want to assign unique 3-letter codes to each department. The first two characters of the code must be capital letters (A through Z) and the last character must be a digit ( 0 through 9 ). Therefore, a department code can be any string of the form: Letter-Letter-Digit. (i) How many different department codes are possible?
(ii) How many department codes are possible if no letter appears more than once? (iii) How many department codes are possible if no letter or digit appears more than once?

Answers

(i) To find the number of different department codes possible, we need to determine the number of choices available for each character in the code.

The first two characters can be any of the 26 capital letters of the alphabet, so there are 26 choices for each of these characters. The third character must be a digit, so there are 10 choices for this character. Therefore, the total number of different department codes possible is: 26 x 26 x 10 = 6,760.



(ii) If no letter appears more than once, then we have to choose three distinct letters for the code. There are 26 choices for the first letter, 25 choices for the second letter (since we've already used one letter), and 24 choices for the third letter (since we've already used two letters).

The third character must be a digit, so there are 10 choices for this character. Therefore, the total number of different department codes possible is: 26 x 25 x 24 x 10 = 15,600.



(iii) If no letter or digit appears more than once, then we have to choose three distinct characters (either letters or digits) for the code. There are 26 choices for the first character (since it can be any letter), 25 choices for the second character (since it can be any letter except the one we chose for the first character or any digit),

and 10 choices for the third character (since it can be any digit except the one we chose for the second character). Therefore, the total number of different department codes possible is:
26 x 25 x 10 = 6,500

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use the information from exercise 5 to determine the percent of net change from april 21 to april 22 for each of the corporations listed in that question. round answers to the nearest tenth of a percent.

Answers

The percent of net change for each corporation are:

Berkshire Hathaway = 1.75%Verizon = 0.08%McDonalds = -0.97%Nike = 0.59%Delta Airlines = -2.46%Toyota = -0.14%

What is the percent of net change?

The percent of net change is calculated using the formula given below as follows:

Percent of net change = (Net change / Last) x 100%

a. Berkshire Hathaway:

Percent of net change = (35 / 199740) x 100%

Percent of net change = 0.0175 x 100%

Percent of net change = 1.75%

b. Verizon:

Percent of net change = (0.04 / 51.19) x 100%

Percent of net change = 0.00078 x 100%

Percent of net change = 0.08%

c. McDonalds:

Percent of net change = (-1.13 / 116.34) x 100%

Percent of net change = -0.0097 x 100%

Percent of net change = -0.97%

d. Nike:

Percent of net change = (0.37 / 62.74) x 100%

Percent of net change= 0.0059 x 100%

Percent of net change = 0.59%

e. Delta Airlines:

Percent of net change = (-1.18 / 48.02) x 100%

Percent of net change = -0.0246 x 100%

Percent of net change = -2.46%

f. Toyota:

Percent of net change = (-0.15 / 105.42) x 100%

Percent of net change = -0.0014 x 100%

Percent of net change = -0.14%

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Complete question:

Berkshire Hathaway

Net change = +35

Last = 199740

VZ Verizon

Net change = +0.04

Last = 51.19

MCD McDonalds

Net change = -1.13

Last 116.34

NKE Nike

Net change = +0.37

Last = 62.74

DAL Delta Airlines

Net change = -1.18

Last = 48.02

TM Toyota

Net change = -0.15

Last = 105.42

use the information from exercise 5 to determine the percent of net change from april 21 to april 22 for each of the corporations listed in that question. round answers to the nearest tenth of a percent.

if a>0 and b>0 then 3(a^0b^2)=

Answers

The expression can be simplified to get:

[tex]3*(a^0*b^2) = 3b^2[/tex]

How to simplify the given expression?

Remember that for any real:

x > 0

We have that the power when the exponent is zero, is equal to one.

[tex]x^0 = 1[/tex]

Here we know that:

a > 0, b > 0.

And we have the expression:

[tex]3*(a^0*b^2)[/tex]

The first power can be removed, because that is equal to 1, then we can simplify our expression to get.

[tex]3*(a^0*b^2) = 3b^2[/tex]

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a humane society claims that less than 73% of households in a certain country own a pet. in a random sample of 400 households in that country, 280 say they own a pet. at o

Answers

Based on the information given, we can use a hypothesis test to determine if the proportion of households in the country that own a pet is actually less than 73%.

Let p be the true proportion of households that own a pet in the country.

The null hypothesis (H0) is that p = 0.73, meaning that the proportion of households that own a pet is 73%.

The alternative hypothesis (Ha) is that p < 0.73, meaning that the proportion of households that own a pet is less than 73%.

We can use a z-test for proportions to test this hypothesis.

The test statistic is:

z = (P - p) / sqrt(p(1-p)/n)

where P is the sample proportion, p is the hypothesized proportion (0.73), and n is the sample size (400).

Plugging in the values given, we get:

z = (0.7 - 0.73) / sqrt(0.73 * 0.27 / 400) = -1.96

Using a standard normal distribution table, we find that the p-value (the probability of getting a test statistic as extreme as -1.96 or more extreme, assuming the null hypothesis is true) is 0.025.

Since this p-value is less than the significance level of 0.05, we reject the null hypothesis and conclude that there is sufficient evidence to support the claim that less than 73% of households in the country own a pet.

In other words, the sample provides evidence that the proportion of households that own a pet is less than 73%. However, we cannot say with certainty that the true proportion is any particular value, only that it is less than 73%.

Based on your question, the Humane Society claims that less than 73% of households in a certain country own a pet. In a random sample of 400 households, 280 households own a pet. To determine if this claim is accurate, we can calculate the proportion of pet owners in the sample:

Proportion of pet owners = (Number of pet owners) / (Total households) = 280 / 400 = 0.7 or 70%

Since the sample proportion (70%) is less than the claimed proportion (73%), it appears that the Humane Society's claim is supported by the sample data. However, for a more rigorous test, you may want to consider conducting a hypothesis test or calculating a confidence interval to determine the statistical significance of this difference.

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the sum of a number and the cube of a second number is 864. find the number so that the product is a maximum. calculus

Answers

To find the number that maximizes the product, we need to use calculus. Let's start by setting up the problem. Let x be the first number and y be the second number. We know that: x + y^3 = 864. We want to find the maximum value of xy.

Now, substitute this expression for x into our product function:
P(y) = (864 - y^3) * y

To find the maximum, we need to take the derivative of P(y) with respect to y and set it equal to 0:
dP/dy = -3y^4 + 864y - y^3(dy/dy)

dP/dy = -3y^4 + 864y - y^3(1)

Now, set dP/dy = 0 and solve for y:
0 = -3y^4 + 864y - y^3

It's a challenging polynomial to solve, but we can use numerical methods or technology to find the critical points of y.

Once we have the value(s) of y, we can plug it back into the equation x = 864 - y^3 to find the corresponding value(s) of x.

Finally, determine whether the critical points result in a maximum by checking the second derivative or analyzing the function's behavior around the critical points. The pair of numbers (x, y) will yield the maximum product.

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A football is about 2.8 x 10² millimeters long. A football field is about 1 × 105
millimeters long. How many footballs placed end to end would you need to span
the field? Use scientific notation to calculate the number of footballs.

Answers

Answer:

357 footballs

-----------------------

To find out the number of footballs, we need to divide the length of the field by the length of one football:

(1 × 10⁵) ÷ (2.8 × 10²)

To divide these numbers in scientific notation, we need to divide the coefficients:

1 ÷ 2.8 ≈ 0.357

and subtract the exponents:

10⁵ ÷ 10² = 10⁵⁻² = 10³

We get:

0.357 × 10³ = 357

So, you would need approximately 357 footballs.

Find the volume of a pyramid whose square base is 10cm. And height 8cm

Answers

The  volume of the pyramid is determined as 266.67 cm³.

What is the volume of pyramid?

The volume of the pyramid is calculated by applying the following formula as shown below;

V = ¹/₃ Bh

where;

B is the base area of the pyramidh is the height of the pyramid

The  volume of the pyramid is calculated as;

V = ¹/₃ x (10 cm)² x 8 cm

V = 266.67 cm³

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Select the correct answer. Which value of x from the set {4, 5, 6, 7}, makes this equation true? 4(8 − x) = 8 A. 4 B. 5 C. 6 D. 7

Answers

Answer: c. 6

Step-by-step explanation:  

Option-C is correct that is 6 number from the set {4 , 5, 6, 7} makes the equation 4(8 - x) = 8 true.

Given that,

We have to find which value of the x from the set {4 , 5, 6, 7} makes the equation 4(8 - x) = 8 true.

We know that,

What is a set?

A group of well defined objects is referred to as a set. Only on the basis of simplicity are the objects of a set considered to be distinct.

A family or collection of sets are common names for a group of sets.

So,

The set has 4 numbers by substituting the numbers we get to know if the equation is true or false.

Take the equation,

4(8 - x) = 8

If x = 4,

4(8 - 4) = 8

4 × 4 = 8

16 ≠ 8

Now, If x = 5,

4(8 - 5) = 8

4 × 3 = 8

12 ≠ 8

Now, If x = 6,

4(8 - 6) = 8

4 × 2 = 8

8 = 8

And, If x = 7,

4(8 - 7) = 8

4 × 1 = 8

4 ≠ 8

Therefore, Option-C is correct that is number 6.

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(L1) What is the locus of points in a plane that are 3 inches from point A?

Answers

The locus of points in a plane that are 3 inches from point A is a circle centered at point A with radius 3 inches.

The locus of points in a plane that are 3 inches from point A forms a circle centered at point A with a radius of 3 inches. This is because a circle is defined as the set of all points in a plane that are equidistant from a fixed point called the center. In this case, the fixed point or the center is point A, and the distance from any point on the circle to point A is 3 inches.

To see this, consider any point P in the plane that is 3 inches away from point A. The distance from point P to point A is given by the distance formula:

d = √[(x2 - x1)² + (y2 - y1)²]

where (x1, y1) and (x2, y2) are the coordinates of points A and P, respectively. Since P is 3 inches away from A, we have d = 3. Substituting the coordinates of A and P into the distance formula and simplifying yields:

(x2 - x1)² + (y2 - y1)² = 3²

This equation represents a circle with center (x1, y1) = A and radius 3.

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z varies with y and inversely with x when z=6, x=4, and y=3

Answers

If z varies with y and inversely with and z = 6 when x = 4 and y = 3, then the value of Proportionality Constant is given by 8.

Proportion is a relation between two mathematical variables. If two variables vary directly that states if one increases another will also decrease and same for decrease.

If two variables are in inverse relation that states that if one variable increases then another decreases and if one variable decreases then another increases.  

Given that, z varies with y and inversely with x. So,

z = k*(y/x), where k is the proportionality constant.

Given that, z = 6 when x = 4 and y = 3. So,

6 = k*(3/4)

k = (6*4)/3

k = 2*4

k = 8

Hence the value of Proportionality Constant is 8.

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The question is incomplete. The complete question will be -

"z varies with y and inversely with x when z=6, x=4, and y=3. Find the value of Proportionality Constant."

if a confusion matrix shows 46 tp, 6 fn, 500 tn, and 4 fp, what is the precision ratio? (round your answer to 2 decimal places.)

Answers

Answer:

Step-by-step explanation:

Precision is defined as the ratio of true positives (TP) to the total predicted positives (TP + FP). In this case, the confusion matrix shows 46 TP and 4 FP, so the precision can be calculated as:

precision = TP / (TP + FP) = 46 / (46 + 4) = 0.92

Rounding to 2 decimal places, the precision ratio is 0.92.

Is it true that If A and B are square and invertible, then AB is invertible, and (AB)^−1=A^−1B^−1.

Answers

Yes, it is true that if A and B are square and invertible matrices, then AB is also invertible, and its inverse is given by[tex](AB)^{(-1) }= B^{(-1)}A^{(-1).[/tex]

To see why this is true, consider the product[tex](AB)(B^{(-1)}A^{(-1)}).[/tex]

Using the associative property of matrix multiplication, we can rearrange this expression as

[tex](A(BB^{(-1)})A^{(-1)}) = (AIA^{(-1)}) = AA^{(-1)} = I,[/tex]

where I is the identity matrix.

Similarly, we can show that [tex](B^{(-1)}A^{(-1)})(AB) = I,[/tex] which means that

[tex](AB)^{(-1) }= B^{(-1)}A^{(-1).[/tex]

Therefore, we conclude that if A and B are square and invertible matrices, then AB is invertible, and its inverse is given by [tex](AB)^{(-1)} = B^{(-1)}A^{(-1).[/tex]

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A reputable polling organization in a certain country surveyed 106,600 ​adults, and 18​% of those polled reported that they smoked. Complete parts a and b below.

b) Explain what this margin of error means. Select the correct choice below and fill in the answer box within your choice.

​(Round to four decimal places as​ needed.)

A.The probability that any given adult surveyed from the population smokes is ________________.

B.The probability that any given adult surveyed from the sample smokes is _____________.

C.We are 90​% confident that the observed proportion of adults that smoke is within _________of the sample proportion.

D.We are 90​% confident that the observed proportion of adults that smoke is within ________ of the population proportion

Answers

Both options C and D are correct in describing the meaning of the margin of error, but we cannot provide specific values for the margin of error without additional information.

To answer this question, first, we need to calculate the sample proportion of adults who smoke.
Calculate the sample proportion
Number of adults surveyed = 106,600
Percentage of adults who smoke = 18%
Sample proportion (p) = (Percentage of adults who smoke) / 100
p = 18% / 100 = 0.18
Now, let's address each option in part b:
A. The probability that any given adult surveyed from the population smokes is not the correct interpretation of the margin of error.
B. The probability that any given adult surveyed from the sample smokes is not the correct interpretation of the margin of error.
C. We are 90% confident that the observed proportion of adults that smoke is within the margin of error of the sample proportion.

To calculate the margin of error, we need more information, such as the standard deviation of the population and the desired confidence level.

Since we do not have this information, we cannot provide a specific value for the margin of error.
D. We are 90% confident that the observed proportion of adults that smoke is within the margin of error of the population proportion.

Similar to option C, we need more information to calculate the margin of error, so we cannot provide a specific value for the margin of error.

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-17>6x+7

Solve the inequality for x

Answers

Answer:

x < -4

Step-by-step explanation:

-17>6x + 7

Switch it to: 6x + 7 <-17

6x + 7 < -17

Now, Subtract the opposite of 7 by both sides.

6x = -24

Divide both sides by 6

Answer : x < -4

Sketch a curve y = f(x) that satisfies: f(0) = 3, and dy/dx =-2. What is f(x)?

Answers

The curve f(x) is f(x) = -2x + 3.

Given that dy/dx = -2, we can integrate both sides with respect to x to obtain:

dy/dx = -2

dy = -2 dx

Integrating both sides, we get:

y = -2x + C

where C is the constant of integration. To find the value of C, we use the initial condition f(0) = 3:

y = -2x + C

f(0) = 3

-2(0) + C = 3

C = 3

Thus, the equation of the curve is:

y = -2x + 3

Therefore f(x) is -2x + 3

We can sketch the curve by plotting a few points. For example, when x = 0, y = 3 (as required by the initial condition). When x = 1, y = 1. When x = -1, y = 5. We can also note that the slope of the curve is always -2, meaning that the curve is a straight line with a negative slope.

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rectangles r 1 and r 2, and squares s 1,s 2, and s 3, shown below, combine to form a rectangle that is 3322 units wide and 2020 units high. what is the side length of s 2 in units?

Answers

The side length of s 2 is approximately 1541.33 units. We can round that to the nearest unit if needed.

To find the side length of s 2 in units, we need to use the information given about the dimensions of the overall rectangle formed by combining the rectangles and squares.

We know that the overall rectangle is 3322 units wide and 2020 units high. Let's start by looking at the width. We can see that the width is made up of two squares (s 1 and s 3) and one rectangle (r 2). So we can set up an equation to represent this:

width = (side length of s 1) + (length of r 2) + (side length of s 3)

width = s + l + s

where s is the side length of each square and l is the length of r 2.

Similarly, we can look at the height of the overall rectangle. We can see that the height is made up of two rectangles (r 1 and r 2) and one square (s 2). So we can set up another equation:

height = (length of r 1) + (length of r 2) + (side length of s 2)

height = l + l + s

Now we can use these two equations to solve for the side length of s 2. We know that the width is 3322 units and the height is 2020 units, so we can substitute those values into the equations:

3322 = s + l + s

2020 = 2l + s

We can simplify the first equation by combining like terms:

3322 = 2s + l

Now we can use substitution to solve for s. We can rearrange the second equation to solve for l:

l = (2020 - s) / 2

Then we can substitute that expression for l into the first equation:

3322 = 2s + (2020 - s) / 2

Now we just need to solve for s:

6644 = 4s + 2020 - s

4624 = 3s

s = 1541.33

So the side length of s 2 is approximately 1541.33 units. We can round that to the nearest unit if needed.

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what is the probability that maximum speed differs from the mean value by at most 2.5 standard deviations?

Answers

The answer  is that the probability that the maximum speed differs from the mean value by at most 2.5 standard deviations can be calculated using the normal distribution.

We first need to calculate the mean value and standard deviation of the speed data. Then, we can use the formula for the normal distribution to find the probability that the maximum speed falls within a certain range from the mean value.

Specifically, we can use the formula:

P(mean - 2.5SD < max speed < mean + 2.5SD) = P(z < 2.5) - P(z < -2.5)

where z is the z-score of the maximum speed, calculated as (max speed - mean)/SD.

We can find the probabilities P(z < 2.5) and P(z < -2.5) using a standard normal distribution table or calculator.

In general, if the maximum speed is normally distributed and the mean and standard deviation are known, we can use this formula to calculate the probability that the maximum speed falls within a certain range from the mean value.

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Which best approximates the solution of 16 to the power of 2x = 125

Answers

Answer:

869

Step-by-step explanation:

The Blackburn family has a square field where they keep their cattle. The area of the field is 40,000 ft square, and Mr. Blackburn wants to put a fence diagonally through the field. What should the length of the fence be?

Answers

If "square-field" area is 40000 ft square, and Mr. Blackburn is planning to put a fence diagonally in field, then the length of fence should be 282.84 ft.

The area of the Blackburn's square-field is = 40000 ft²,

First, we equate this with area formula,

On Equating ,

We get,

⇒ (side)² = 40000,

⇒ side = 200,

substituting the "side-length" of the field as 200 ft, in the diagonal of a square formula,

we get,

⇒ Length of field's diagonal is = (side)√2,

⇒ Length of field's diagonal is = (200)√2,

⇒ Length of field's diagonal is ≈ 282.84 ft.

Therefore, the length of field's fence is 282.84 ft.

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Jeremiah is working on a model bridge. He needs to create triangular components, and he plans to use toothpicks. He finds three toothpicks of lengths 4 in., 5 in., and 1 in. Will he be able to create the triangular component with these toothpicks without modifying any of the lengths?
• Yes, according to the Triangle Inequality TheoremYes, according to the Triangle Sum Theorem
No, according to the Triangle Inequality Theorem
• No, according to the Triangle Sum Theorem

Answers

No, according to the triangle inequality theorem he will not be able to create the triangular component. That is option C

What is triangular inequality theorem?

The triangular inequality theorem states that the sum of any two sides of a triangle is greater than the length of the third side.

That is;

a+b > c

a+ c > b

b+c > a

The lengths given include the following;

a = 4 in

b = 5 in

c = 1 in

Using the theorem;

a+b = 4+5 = 9 > 1

a+c = 4+1 = 5 = 5

b+c = 5+1 = 6> 4

Therefore he won't be able to create a triangular component using the three lengths of the tooth pick because is goes against the triangle inequality theorem rule.

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Answer:

Step-by-step explanation:

the answer is A

i took the text

In 2010, the population of Appleville was 28000, and by 2020 the population had grown to 35000. The town of Treehill had a population of 41820 in 2015, and has been growing by 100 per year. If both towns continue to growth linearly at the same rate, in what year will the populations of the two towns be equal? Set up equations and solve algebraically!

Answers

The populations of the two towns will be equal in the year 2048.

Let's assume that the population of Appleville in the year "t" is "A(t)", and the population of Treehill in the year "t" is "T(t)". We know that the population of Treehill is increasing linearly by 100 per year. Therefore, we can express the population of Treehill in terms of "t" as follows:

T(t) = 41820 + 100t

The population of Appleville is also growing linearly, but we do not know the exact rate of growth. However, we can calculate this rate using the population data we have. The change in population from 2010 to 2020 is 35000 - 28000 = 7000. This change occurred over a period of 10 years. Therefore, the average annual growth rate is:

(35000 - 28000) / 10 = 700

We can use this rate to express the population of Appleville in terms of "t" as follows:

A(t) = 28000 + 700t

Now, we can set these two equations equal to each other to find the year when the populations of the two towns will be equal:

41820 + 100t = 28000 + 700t

Simplifying this equation, we get:

420t = 13820

t = 33

Therefore, the populations of the two towns will be equal in the year 2015 + 33 = 2048.

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a consensus forecast is the average of a large number of individual analysts' forecasts. suppose the individual forecasts for a particular interest rate are normally distributed with a mean of 6 percent and a standard deviation of 1.4 percent. a single analyst is randomly selected. find the probability that his/her forecast is (a) at least 3.3 percent. (round the z value to 2 decimal places. round your answer to 4 decimal places.) (b) at most 7 percent. (round the z value to 2 decimal places. round your answer to 4 decimal places.) (c) between 3.3 percent and 7 percent. (round the z value to 2 decimal places. round your answer to 4 decimal places.)

Answers

The probability that his/her forecast is

(a) at least 3.3 percent 0.93

(b) at most 7 percent 0.0274.

(c) between 3.3 percent and 7 percent is 0.7337.

To calculate the probability of a single analyst's forecast being at least 3.3 percent, we need to find the z-score associated with that value. The z-score is a measure of how many standard deviations a data point is from the mean of a distribution. Using the formula:

z = (x - μ) / σ

where x is the value we want to find the z-score for, μ is the mean of the distribution, and σ is the standard deviation of the distribution, we can calculate the z-score for 3.3 percent:

z = (3.3 - 6) / 1.4 = -1.93

To find the probability of a single analyst's forecast being at least 3.3 percent, we need to find the area under the normal curve to the left of the z-score of -1.93. This can be done using a standard normal distribution table or a calculator. The probability is approximately 0.0274.

To calculate the probability of a single analyst's forecast being at most 7 percent, we need to find the z-score associated with that value. Using the same formula as before, we can calculate the z-score for 7 percent:

z = (7 - 6) / 1.4 = 0.71

To find the probability of a single analyst's forecast being at most 7 percent, we need to find the area under the normal curve to the left of the z-score of 0.71. This can also be done using a standard normal distribution table or a calculator. The probability is approximately 0.7611.

To calculate the probability of a single analyst's forecast being between 3.3 percent and 7 percent, we need to find the area under the normal curve between the z-scores of -1.93 and 0.71. This can also be done using a standard normal distribution table or a calculator. The probability is approximately 0.7337.

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