Find the area of the figure. Round to the nearest tenth, if necessary.

The measure of angle the value of x =-96.

What is parallelogram?

A parallelogram is a special kind of quadrilateral composed of parallel lines. Any angle between the adjacent sides of a parallelogram is allowed as long as the opposite sides are parallel. A quadrilateral is a parallelogram if its two opposite sides are parallel and congruent. A parallelogram is a quadrilateral that has two pairs of opposite sides that are parallel and equal.

With the use of alternate interior angles, we can quickly resolve this. Right, the interior of a parallelogram is always 360 degrees.

(-x-6)° = 90

x = -96

Hence The measure of angle the value of x =-96.

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Answer:

  EF = 18

Step-by-step explanation:

Given similar triangles DEF and JHI, midpoints G and K of sides DE and HI, with sides marked GF=9, EF=x+8, KI=14, HI=3x-2, you want to know the length of EF.

Corresponding sides in similar triangles are proportional. This means ...

  EF/GF = HI/KI

  (x+8)/9 = (3x-2)/14 . . . . substitute given values

  14(x +8) = 9(3x -2) . . . . multiply by 14·9

  14x +112 = 27x -18 . . . . eliminate parentheses

  130 = 13x . . . . . . . . . . . add 18-14x

  10 = x . . . . . . . . . . . . . divide by 13

Now, we can find EF:

  EF = x+8 = 10 +8

  EF = 18

The value of a, b, and c are 1, -2, and 6 respectively.

The y-intercept of this quadratic function is 6.

The axis of symmetry of this quadratic function is 1.

The vertex of this quadratic function is (1, 5).

Mathematically, the axis of symmetry of a quadratic function can be calculated by using this mathematical expression:

Axis of symmetry, Xmax = -b/2a

Where:

a and b represents the coefficients of the first and second term in the quadratic function.

For the given quadratic function f(x) = x² - 2x + 6, we have:

Axis of symmetry, Xmax = -b/2a

Axis of symmetry, Xmax = -(-2)/2(1)

Axis of symmetry, Xmax = 2/2 = 1.

Vertex (h, k) = (1, 5).

In Mathematics, the y-intercept of any graph such as a quadratic function, generally occur at the point where the value of "x" is equal to zero (x = 0).

y-intercept = 6.

Lastly, we would create a table and then graph the quadratic function as follows;

x         y

0         6

2         2

5         11

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Complete Question:

Quadratic Function f(x) = x² - 2x + 6 2.

1. List a, b, and c.

2. Find the axis of symmetry.

3. Find the vertex.

4. What is the y-intercept?

5. Create a table and graph.

Answer:

5

Step-by-step explanation:

We can assume ∠KLJ ≅ MLJ. So we put them equal to each other.

[tex]42=9x-3\\45=9x\\5=x[/tex]

The value of x when an angle of the given figure is given as 9x - 3 is x = 5.

Given a figure.

It is required to find the value of x.

Here, consider the two triangles which are split up in the figure.

Consider the triangles JKL and JML.

Comparing the sides and angles:

JK = JM

KL = ML

JL = JL

So, they are similar.

Each corresponding angles are equal.

Here, the angle corresponding to ∠JLK is ∠JLM.

So, they are equal.

∠JLM = ∠JLK

9x - 3 = 42

Add 3 on both sides.

9x = 45

Divide both sides by 9.

x = 5

Hence, the value of x is 5.

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Using subtraction operator, the distance between the house and the ducks is 21 feet

Trigonometric ratios are mathematical ratios that relate the sides of a right triangle to its angles. The three primary trigonometric ratios are sine, cosine, and tangent, which are commonly abbreviated as sin, cos, and tan.

In this case, we don't need to use trigonometric ratio since the duck and house with the tree are on the same length. We can simply use a basic arithmetic operation to find the distance between the ducks from the house.

Using subtraction, the distance between the ducks and the house will be

distance = 47 - 26

distance = 21 feet

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Answer:

x = 5/2

y = 1/2

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 4x - 6y = 7x + 2y[/tex]

[tex]\qquad \sf  \dashrightarrow \: 4x - 7x = 2y + 6y[/tex]

[tex]\qquad \sf  \dashrightarrow \: 8y = - 3x[/tex]

[tex]\qquad \sf  \dashrightarrow \: y = - \dfrac{3}{8} x[/tex]

[tex]\qquad \sf  \dashrightarrow \: \dfrac{y}{x} = - \dfrac{3}{8} [/tex]

[tex]\qquad \sf  \dashrightarrow \: {y}:{x} = - {3}:{8} [/tex]

That's our required ratio ~

The 'L' shape is reflected over the y axis is shown by figure B.

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location.

Given:

As, we have to reflect the image over the y axis.

That means that the image gets flipped across the y-axis.

So, the rule reflect over y axis is  (x, y) -> (-x, y).

Then, among all the option the figure that satisfies the rule is Figure B.

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The probability that exactly 4 out of 7 seeds planted do not grow is 0.0007 (approximately), given that each seed has a 95% chance of growing into a healthy plant.

The probability that a seed doesn't grow is 1 - 0.95 = 0.05.

To calculate the probability that exactly 4 seeds don't grow out of 7, we need to use the binomial distribution formula, which is:

P(X=k) = C(n, k) * [tex]p^k[/tex] * [tex](1-p)^{(n-k)}[/tex]

where:

X is the random variable representing the number of seeds that don't grow.

k is the specific number of seeds that don't grow (in this case, k=4)

n is the total number of seeds planted (n = 7)

p is the probability that a seed doesn't grow (p=0.05)

C(n,k) is the number of ways to choose k items out of n, also known as the binomial coefficient.

Plugging in the values, we get:

P(X=4) = C(7,4) * 0.05⁴ * 0.95³

          = 35 * 0.00000625 * 0.857375

          = 0.0006522

Rounding to four decimal places, the probability that exactly 4 seeds don't grow is 0.0007 (approximately).

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The simplest form of the given expression will be  38c + 280.

What is polynomials?

Using variables and coefficients, polynomials are algebraic expressions. The term "indeterminates" is sometimes used to describe variables. The terms Poly and Nominal, which together signify "many" and "terms," make up the word polynomial. When exponents, constants, and variables are combined using mathematical operations like addition, subtraction, multiplication, and division, the result is a polynomial (No division operation by a variable). The expression is categorized as a monomial, binomial, or trinomial based on the number of terms it contains.

His truck is filled with cans that weigh 16 ounces each and bottles that weigh 54 ounces each. There is a combined total of 280 cans and bottles in his truck.

Let c be the number of cans in his truck. Write an expression for the combined total weight (in ounces) of the cans and bottles in his truck.

O Total weight in ounces = 38c + 280

Hence the simplest form of the given expression will be  38c + 280.

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You would earn $0.006 for recycling 24 iced tea cans.

To determine the amount earned from recycling 24 iced tea cans, we need to find the total weight of the aluminum used in those cans and then convert that weight to pounds.

The total weight of the aluminum used in 24 cans as follows:

24 cans * 0.01 ounce per square inch = 0.24 ounces

Converting ounces to pounds, using a conversion factor of 1/16:

0.24 ounces / 16 ounces per pound = 0.015 pounds

The total amount earned:, since each pound is $0.40

0.015 pounds * $0.40 per pound = $0.006

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The approximate margin of error for a survey based on 2,700 adults, when rounded to nearest thousand is 0.021.

In statistical surveys, the margin of error is a measure of the expected amount of random sampling error that is present in a survey's results. It is a range of values that is likely to contain the true value of the population parameter being estimated, with a certain degree of confidence.

In other words, the margin of error is the amount by which the sample estimate may differ from the true value of the population parameter.

The margin of error is affected by several factors, such as the size of the sample and the level of confidence. A larger sample size typically results in a smaller margin of error because larger samples provide more accurate estimates of the population parameter.

Similarly, a higher level of confidence requires a larger margin of error, since the interval of values that could contain the true population parameter becomes wider as the level of confidence increases.

Assuming a 95% level of confidence, the formula for calculating the margin of error is:

Margin of error = z * sqrt(p * (1 - p) / n)

where:

z is the z-score for the desired level of confidence (1.96 for 95%)

p is the sample proportion, which is the proportion of the sample that exhibits a particular characteristic of interest (e.g., the proportion of respondents who support a certain political candidate)

n is the sample size, which is the number of observations in the sample.

If the sample proportion is not known, it is common to use a value of 0.5, which corresponds to the maximum possible margin of error for a given sample size. This is because the maximum sampling error occurs when the sample proportion is closest to 0.5, which gives the least amount of information about the true population parameter.

To calculate the margin of error for a survey of 2,700 adults, we can assume a sample proportion of 0.5 and a 95% level of confidence. Plugging these values into the formula, we get:

Margin of error = 1.96 * sqrt(0.5 * (1 - 0.5) / 2700)

= 1.96 * sqrt(0.25 / 2700)

= 1.96 * 0.008

= 0.016

Rounding to the nearest thousandth, the approximate margin of error is 0.021. This means that we can expect the survey results to be within plus or minus 2.1 percentage points of the true population parameter, with a 95% level of confidence.

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Note that the Upper limit and the lower limit of the Proportion Interval are given as follows:

Upper limit-  27%

Lower limit - 19%

The proportion interval, also known as the confidence interval, can be calculated using the point estimate of the proportion and the margin of error.

The lower limit of the proportion interval is calculated by subtracting the margin of error from the point estimate, and the upper limit is calculated by adding the margin of error to the point estimate.

Lower limit = point estimate - margin of error

Upper limit = point estimate + margin of error

In this case, the point estimate is 23% and the margin of error is ±4%.

Lower limit = 23% - 4% = 19%

Upper limit = 23% + 4% = 27%

Therefore, the proportion interval is [19%, 27%], which means that we can be 90% confident that the true proportion of the population lies within this range.

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Answer:

Step-by-step explanation:

We can start by finding how much money Carlos spent on clothes. To do this, we simply multiply the original amount of $400 by 40%:

Clothes = $400 * 40% = $400 * 0.40 = $160

Next, we find how much money Carlos has left after spending on clothes. To do this, we subtract the amount spent on clothes from the original amount:

Remaining Money = $400 - $160 = $240

Finally, we find how much money Carlos spent on video games. To do this, we multiply the remaining money by 50%:

Video Games = $240 * 50% = $240 * 0.50 = $120

So, in total, Carlos spent $160 on clothes and $120 on video games, for a total of $160 + $120 = $280.

And Carlos has $400 - $280 = $120 left.

After spending 40% of the $400 on clothes, Carlos has $400 x (100 - 40) / 100 = $240 left.

Next, he spent 50% of the remaining $240 on video games, which is $240 x 50 / 100 = $120.

Therefore, Carlos spent a total of $400 - $240 = $160.

Finally, Carlos has $240 - $120 = $120 left.

Answer: B

Step-by-step explanation:

Answer:

Step-by-step explanation:

If the r-value, or correlation coefficient, of a data set is 0.934, the

coefficient of determination to three decimal places is:  A. 0.872.

The coefficient of determination (R-squared) is the square of the correlation coefficient (r) and represents the proportion of the variance in the dependent variable (y) that can be explained by the independent variable (x).

So, to find the coefficient of determination, we need to square the correlation coefficient:

R-squared = r^2

= 0.934^2

= 0.872 (Rounded to three decimal places)

Therefore, the answer is (A) 0.872.

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Answer:

$121.00

Step-by-step explanation:

y = 18.50x + 47.00

y = the total amount in the account

x = the number of weeks

y = 18.50(4) + 47.00

y = 74.00 + 47.00

y = 121

Answer:

  27.5 square units

Step-by-step explanation:

You want to know the area of the composite shape shown in the graph.

The shape can be decomposed into a parallelogram and a triangle. Each has the same base, 5 units.

The parallelogram has a height of 3 units, so its area is ...

  A = bh

  A = (5)(3) = 15 . . . . square units

The triangle has a height of 5 units, so its area is ...

  A = 1/2bh

  A = 1/2(5)(5) = 12.5 . . . . square units

The total area of the figure is the sum of the areas of its parts:

  total area = (15 units²) +(12.5 units²) = 27.5 units²

The area of the polygon is 27.5 square units.

==========================================================

Explanation:

Let's go through each answer choice to see which are true and which are false.

A.

The fractions for advertising and rent are 1/6 and 7/12 respectively. The LCD is 12, so let's get 1/6 to have a denominator of 12. Multiply top and bottom by 2 to get 1/6 = 2/12.

Now we can compare the fractions 2/12 (aka 1/6) and 7/12. Clearly 7/12 is larger. It's like saying "having 7 slices of pizza is more than 2 slices of pizza". Therefore, the claim that more was spent on advertising compared to rent is false.

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

B.

1/4 = 3/12 when multiplying top and bottom by 3

3/12 was spent on supplies and 2/12 was spent on advertising

We see that more was spent on supplies, so claim B is true

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

C.

This claim is false because it contradicts claim B.

Another way to see why it's false is to use a calculator to get these decimal values

Since 0.17 is not larger than 0.25, this means 1/6 is not larger than 1/4.

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

D.

We could use any of the methods mentioned in the previous sections, but I'll go another route.

For now assume that the fractions for supplies and rent (1/4 and 7/12 respectively) are equal.

Let's use cross multiplication to say the following:

1/4 = 7/12

1*12 = 4*7

12 = 28

Clearly the two sides are different so the original fractions aren't equal. To fix this error, replace each equal sign with a "less than" sign like so

1/4 < 7/12

1*12 < 4*7

12 < 28

Think of it like working backward up the chain. Start with 12 < 28 which is clearly true, and you can work backwards to end up with 1/4 < 7/12.

The fact we end up with 1/4 < 7/12 shows the claim "The bookstore spends more on supplies than rent" is false. It's the other way around: the bookstore spent more on rent compared to supplies.

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

Summary: We found only choice B to be true. The other statements were false.

Answer:

The small bamboo plant is 5.5 feet tall

Step-by-step explanation:

I  (1) = 16.5 ft, 3 times as tall as II

II (2) = ? ft

Let the first be x and the second be y, Than

x = 16.5 ft

x = 3y

y = x / 3

y = 16.5 / 3

y = 5.5 ft

Answer:

-2

Step-by-step explanation:

6y + 14 = -5y - 8

6y + 5y = -8 -14

11y = -22

y = -22/11

y = -2

A transformation rule, if applied to a polygon on a coordinate grid, which does not preserve congruence include the following: C. (x, y) → (3x, 3y).

In Geometry, dilation simply refers to a type of transformation which changes the size of a geometric figure and the location of its points based on the scale factor, but not its shape.

Generally speaking, a dilation is not a rigid transformation because it can preserve angle measure, orientation, perpendicular lines, betweenness of points, parallel lines, and collinearity in any geometric figure.

In conclusion, we can reasonably infer and logically deduce that dilations does not preserve congruence.

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The area of the shaded portion is [tex]9*\sqrt{3} units^{2} -(\frac{9}{2} )*\pi units^{2}[/tex].

From the given data,

The equilateral triangle with sides 6.

Equilateral triangle: The amount of space an equilateral triangle takes up in a two-dimensional plane is its area. A triangle is said to be equilateral if all of its sides are equal and all of its interior angles measure 60 degrees. As a result, the area of an equilateral triangle can be determined if its side length is known.

In this problem

area of equilateral triangle=[tex]6^{2}*\sqrt{3}/4[/tex]----->[tex]\frac{9}{\sqrt{3} }[/tex] units²

The internal angles of an equilateral triangle are equal to 60 degrees

The area of a circle=pi*r²

for a circle with radius r=3 units

See the attached figure to better understand the problem

The area of the figure ABC is equal to the area of the circle divided by 6

Area figure ABC=[tex]9* \frac{\pi}{6}[/tex]=[tex]\frac{3}{2} *\pi[/tex]units²

the area of the shaded portion is equal to

⇒[tex]9*\sqrt{3} units^{2} -3*(\frac{3}{2} )*\pi[/tex] = [tex]9*\sqrt{3} units^{2} -(\frac{9}{2} )*\pi units^{2}[/tex]

[tex]=9*\sqrt{3} units^{2} -(\frac{9}{2} )*\pi units^{2}[/tex]

Therefore, the area of the shaded portion is [tex]9*\sqrt{3} units^{2} -(\frac{9}{2} )*\pi units^{2}[/tex].

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a) The expression showing the amount of money in the savings accounts compounded at 5% per annum after one year is 600 (1 + 0.05), which equals £630.

b) The expression showing the amount of money in the savings accounts compounded at 5% per annum after one year is 600 (1 + 0.05)^2, which equals £661.50.

A mathematical expression combines constants, numbers, variables, and values with mathematical operations without adding the equation symbol (=).

When the equation symbol is added to mathematical expressions, they become an equation.

In this situation, the compound interest final amount is depicted like an exponential growth function as follows:

f(x) = a(1+r)ˣ

f(x) = exponential growth function

a = initial amount

r = growth rate

x = number of time intervals

Initial amount = £600

Growth rate = 5% or 0.05

x = 1 or 2 years.

f(x) = 600 (1.05)^x

Thus, if $600 is compounded at 5% yearly for 1 or 2 years, the mathematical expressions showing the value of the account are 600 (1 + 0.05) and 600 (1 + 0.05)^2, respectively.

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Answer:

range = 33

Step-by-step explanation:

the range of a data set is the difference between the largest and smallest values in the set.

largest value = 163 and smallest value = 130 ( from diagram ), then

range = 163 - 130 = 33

Answer:

Step-by-step explanation:

200-14=186

Frank still needs to give 186

Zion Sun Chairs must sell each chair for at least $75.21 to earn a monthly profit of $65,000.

To determine the minimum sales price Zion Sun Chairs must sell each chair for to earn a monthly profit of $65,000, we can use the following formula:

Total Profit = Total Revenue - Total Cost

We know that the monthly fixed costs are $17,363.50, and the variable cost per chair is $52.17. Therefore, the total cost to produce 3,575 beach chairs each month can be calculated as follows:

Total Cost = Fixed Cost + (Variable Cost per Chair x Number of Chairs)

Total Cost = $17,363.50 + ($52.17 x 3,575)

Total Cost = $203,871.25

To earn a monthly profit of $65,000, we can set up the equation as follows:

$65,000 = Total Revenue -  $203,871.25

Total Revenue =$268,871.25

To find the minimum sales price per chair, we can divide the total revenue by the number of chairs:

Minimum Sales Price per Chair = Total Revenue / Number of Chairs

Minimum Sales Price per Chair = $268,871.25 / 3,575

Minimum Sales Price per Chair ≈ $75.208

Therefore, Zion Sun Chairs must sell each chair for at least$75.21 to earn a monthly profit of $65,000, given the monthly fixed costs, variable cost per chair, and production quantity.

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The population increased by 18 million at the end of one year at the rate of 1.8%.

The Latin word "per centum," which means "by the hundred," is where the word "percentage" originally came from. With 100 as the denominator, percentages are fractions. Alternatively put, it is the relationship between a component and a whole in which the value of "whole" is always assumed to be 100.

For instance, if a student receives 15 out of 50 in math, one can determine the relevant percentage by expressing "marks earned" as a fraction of "total marks" and multiplying the result by 100. i.e., the percentage of marks is equal to 15 / 50 100, or 30%.

Given that, population of India is one billion.

The rate of increase is 1.8%.

After one year the population will be:

P = (1000000000)(1.8/100)

P = 18000000

Hence, the population increased by 18 million at the end of one year at the rate of 1.8%.

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