can anyone please help i need this asap

Can Anyone Please Help I Need This Asap

Answers

Answer 1

Using the tangent of the angle from trigonometric ratio, the value of x is 4.0

What is trigonometric ratio?

In trigonometry, there are six trigonometric ratios, namely, sine, cosine, tangent, secant, cosecant, and cotangent. These ratios are written as sin, cos, tan, sec, cosec(or csc), and cot in short.

sin θ = opposite / hypothenuse

cos θ = adjacent / hypothenuse

tan θ = opposite / adjacent

To solve this problem, we can use the tangent of the angle.

tan θ = opposite / adjacent

tan 20 = x / 11

Cross multiply both sides;

x = 11 tan 20

x = 4.0

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Related Questions

Question 2
A number cube has sides labeled 1 through 6. Match the outcome to each single event.
P(4)
P(greater than 1)
P(even)
Unlikely
Equally
Likely
Need help with this question?
Likely

Answers

The complete table:

                                     Unlikely    |       Equally   |    Likely

P(4)                                    _                        0                0

P(greater than 1)                _                        _                0

P(even)                              _                        0                0

Matching the outcomes to each event:

P(4): Equally likely. Each face of the cube has an equal chance of landing face up, so the probability of rolling a 4 is the same as the probability of rolling any other single number.

Therefore, P(4) is equally likely.

P(greater than 1): Likely. There are five faces that have a number greater than 1 (2, 3, 4, 5, and 6) and only one face that has a 1.

Therefore, the probability of rolling a number greater than 1 is much higher than the probability of rolling a 1, making it a likely outcome.

P(even): Equally likely. There are three even numbers (2, 4, and 6) and three odd numbers (1, 3, and 5) on the cube, so the probability of rolling an even number is the same as the probability of rolling an odd number.

Therefore, P(even) is equally likely.

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Fabian has some dimes and some quarters. He has no more than 28 coins worth a minimum of $4.75 combined. If Fabian has 12 dimes, determine the minimum number of quarters that he could have.

If there are no possible solutions, submit an empty answer.

Answers

Answer:

Step-by-step explanation:

The total value of his quarters is Q x $0.25. Therefore, the combined value of his coins is:

$1.20 + Q x $0.25 = $4.75 - $3.55

Simplifying the equation, we get:

Q x $0.25 = $1.20 + $1.20

Q x $0.25 = $2.40

Q = $2.40 / $0.25

Q = 9.6

Since Q must be a whole number, the minimum number of quarters that Fabian could have is 10. (If he had only 9 quarters, the combined value of his coins would be $1.20 + $2.25 = $3.45, which is less than the required minimum of $4.75.)

There are 1234 t shirts that need to be shipped. Each box can fit 32 t shirts. How many boxes are needed to ship all of the t shirts

Answers

There are 1234 t shirts that need to be shipped. To ship 1234 t-shirts, a total of 39 boxes are required, as each box can hold 32 t-shirts.

To calculate the number of boxes required to ship 1234 t-shirts, we need to divide the total number of t-shirts by the number of t-shirts that can fit in one box. In this case, as each box can fit 32 t-shirts, we need to divide 1234 by 32.

Using long division, we can find that 32 goes into 1234, 38 times with a remainder of 10. However, we still have 10 t-shirts that need to be shipped, which means we need an additional box to fit them. Therefore, the total number of boxes needed to ship 1234 t-shirts is 39 (38 boxes to fit 1216 t-shirts and 1 additional box to fit the remaining 10 t-shirts).

It's always important to ensure that all the items fit comfortably in the boxes without any damage or risk of items falling out. In this case, we can also use this information to plan and optimize the shipping process by arranging the boxes according to the available storage and transportation capacity.

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The net below can be folded to form a
square-based pyramid, as shown.
Work out the height of this pyramid.
Give your answer in cm to 2 d.p.
7 cm
6 cm

Answers

The required height of the given pyramid is approximately 8.77 cm.

Since the slant height of the pyramid is 9 cm, so a triangle is on one of the triangular faces of the pyramid.

Let h be the height of the pyramid. By the Pythagorean theorem, we know that:

Pythagoras's theorem states that in a right-angled triangle, the square of one side is equal to the sum of the squares of the other two sides.

So, it can be written as follows:

(4/2)² + h² = 9²

4 + h² = 81

h² 81 - 4

h² = 77

h = √(77)

h ≈ 8.77

Therefore, the height of the pyramid is approximately 8.77 cm.

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ID:
A normal distribution has meanu and standard deviation o. An x-value is randomly selected from the
distribution. Find P(mu - 2sigma <= x <= mu + 3sigma)

Answers

Answer:

Step-by-step explanation:

d

x What does the figurative language in paragraph 2
help the reader understand about the pencil?
X
A The pencil is looking for its
eraser in the classroom
B The pencil longs for the day
when it gets another eraser
C The pencil is membering back
to when it had an eraser
D The pencil no longer has an
eraser on the end

Answers

The use of this figurative language helps to convey the theme of how memories can be fleeting and easily forgotten over time.

In paragraph 2, the author uses the figurative language of an "eraser on the end" to describe how time seems to fade away certain memories. The eraser is a symbol for forgetfulness, and the fact that it is on the end of something suggests that it is far away and difficult to reach.

This can be seen as a metaphor for how certain memories can become distant and hard to recall as time goes on.

Additionally, the eraser symbolizes how memories can be altered or erased entirely over time, much like how an eraser can remove pencil marks from paper.

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Activity 2: Give me!
Direction: Given the figure below, find the values of the indicated trigonometric ratio.​

Maybe Answer Previous Arts Or English Questions Please Thank You:⁠-⁠)

Good Perfect Complete=Brainlist

Copy Wrong Incomplete=Report

Good Luck Answer Brainly Users:⁠-⁠)

Answers

Answer:

[tex]\tan G=\dfrac{24}{18}=\dfrac{4}{3}[/tex]

[tex]\sin X=\dfrac{18}{30}=\dfrac{3}{5}[/tex]

[tex]\sec G=\dfrac{30}{18}=\dfrac{5}{3}[/tex]

[tex]\cos X=\dfrac{24}{30}=\dfrac{4}{5}[/tex]

[tex]\csc G=\dfrac{30}{24}=\dfrac{5}{4}[/tex]

Step-by-step explanation:

A trigonometric ratio relates the angles of a right triangle to the ratios of the lengths of its sides.

There are six primary trigonometric ratios:

[tex]\boxed{\begin{minipage}{8cm}\underline{Trigonometric ratios}\\\\$\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}$\\\\\\$\sf\csc(\theta)=\dfrac{H}{O}\quad\sec(\theta)=\dfrac{H}{A}\quad\cot(\theta)=\dfrac{A}{O}$\\\\where:\\\phantom{ww}$\bullet$ $\theta$ is the angle.\\\phantom{ww}$\bullet$ $\sf O$ is the side opposite the angle.\\\phantom{ww}$\bullet$ $\sf A$ is the side adjacent the angle.\\\phantom{ww}$\bullet$ $\sf H$ is the hypotenuse.\\\end{minipage}}[/tex]

From inspection of the given right triangle XTG:

The side opposite angle G is 24 units.The side adjacent angle G is 18 units.The side opposite angle X is 18 units.The side adjacent angle X is 24 units.The hypotenuse of the triangle 30 units.

Substitute the identified side lengths into the ratios:

[tex]\tan G=\dfrac{\textsf{side opposite $\angle G$}}{\textsf{side adjacent $\angle G$}}=\dfrac{24}{18}[/tex]

[tex]\sin X=\dfrac{\textsf{side opposite $\angle X$}}{\textsf{hypotenuse}}=\dfrac{18}{30}[/tex]

[tex]\sec G=\dfrac{\textsf{hypotenuse}}{\textsf{side adjacent $\angle G$}}=\dfrac{30}{18}[/tex]

[tex]\cos X=\dfrac{\textsf{side adjacent $\angle X$}}{\textsf{hypotenuse}}=\dfrac{24}{30}[/tex]

[tex]\csc G=\dfrac{\textsf{hypotenuse}}{\textsf{side opposite $\angle G$}}=\dfrac{30}{24}[/tex]

The ratios can be simplified to:

[tex]\tan G=\dfrac{24}{18}=\dfrac{\diagup\!\!\!\!\!6 \cdot 4}{\diagup\!\!\!\!\!6 \cdot 3}=\dfrac{4}{3}[/tex]

[tex]\sin X=\dfrac{18}{30}=\dfrac{\diagup\!\!\!\!\!6 \cdot 3}{\diagup\!\!\!\!\!6 \cdot 5}=\dfrac{3}{5}[/tex]

[tex]\sec G=\dfrac{30}{18}=\dfrac{\diagup\!\!\!\!\!6 \cdot 5}{\diagup\!\!\!\!\!6 \cdot 3}=\dfrac{5}{3}[/tex]

[tex]\cos X=\dfrac{24}{30}=\dfrac{\diagup\!\!\!\!\!6 \cdot 4}{\diagup\!\!\!\!\!6 \cdot 5}=\dfrac{4}{5}[/tex]

[tex]\csc G=\dfrac{30}{24}=\dfrac{\diagup\!\!\!\!\!6 \cdot5}{\diagup\!\!\!\!\!6 \cdot 4}=\dfrac{5}{4}[/tex]

The figure below is drawn in the coordinate plane. What are the coordinates of each point in the figure? Be sure to label each point with the coordinates.

Answers

The coordinates of each point on the figure are given as follows:

A(4, -3).B(4, -1).C(1, -5).

How to define the ordered pair?

The general format of an ordered pair is given as follows:

(x,y).

In which the coordinates are given as follows:

x is the x-coordinate.y is the y-coordinate.

Hence the coordinates for the triangle in this problem are given as follows:

A(4, -3) -> x = 4 and y = -3.B(4, -1) -> x = 4 and y = -1.C(1, -5) -> x = 1 and y = -5.

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You have a 3 meter length of pipe, you cut off 150cm what length do you have left ?

Answers

Answer:

150 cm

Step-by-step explanation:

1 metre = 100 cm

so 3 metres = 300cm

300 - 150 = 150

so we have 150cm left

Levi placed 10 weights on a scale during science class. If each weight weighed 0. 7 grams, what did the scale read?

Answers

Levi placed 10 weights on the scale, each weighing 0.7 grams. The total weight of the weights is 7 grams. Therefore, the scale will read 7 grams.

Levi placed 10 weights on the scale, and each weight weighed 0.7 grams. To find the total weight, we need to multiply the weight of one weight by the number of weights. Therefore, the total weight of the weights is 0.7 x 10 = 7 grams. This means that the scale will read 7 grams.

The principle behind this calculation is the law of conservation of mass. This law states that the total mass of a closed system remains constant, regardless of any changes that take place within the system. In this case, the system is the scale and the weights. Since the scale is a closed system, the total mass of the weights placed on it must be equal to the reading on the scale.

Therefore, when Levi placed 10 weights on the scale, the total weight of the weights is 7 grams, and the scale will read 7 grams. This calculation can be used to determine the weight of any number of objects placed on a scale, as long as the weight of one object and the number of objects are known.

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Please What is 4x+6=2x+10

Answers

Answer:

x=2

Step-by-step explanation:

4x+6=2x + 10 | -6

2x = 4 | /2

x=2

X=2

4x + 6 = 2x + 10

move the variables to the left-hand side and change it’s sign

4x + 2x = 6 + 10

Collect like terms

2x = 10 - 6

2x = 4

Divide both side by 2

2x/2 4/2

So the answer is 2

Have a nice day


I need some help with this!
You just have to put it in order from least to greatest,
but I don't know how to do that properly, so could someone help me out

Answers

The values given in scientific notation should be ordered from least to greatest as follows;

2.44 × 10⁻⁹1.05 × 10⁻⁶3.75 × 10⁴1.49 × 10⁸3.81 × 10⁸

What is a scientific notation?

Generally speaking, any numerical data (number) can be written in scientific notation as shown below:

a × b^{n}

Where

a represent a real number.b represent an integer.

Next, we would sort the given numerical data (number) in scientific notation from least to greatest as follows:

Scientific notation = 2.44 × 10⁻⁹ = 0.00000000244

Scientific notation = 1.05 × 10⁻⁶ = 0.00000105

Scientific notation = 3.75 × 10⁴ = 0.000375

Scientific notation = 1.49 × 10⁸ = 149,000,000

Scientific notation = 3.81 × 10⁸ = 381,000,000

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How much water can this container hold express your answer in terms of

Answers

The container can hold 972π cubic inches of water

Calculating how much water can the container hold

From the question, we have the following parameters that can be used in our computation:

A spherical container (see attachment)

Diameter = 18 in

The radius of the container is calculated as

r = 18/2

Evaluate

r = 9

The amount of water the container can hold is its volume

This is calculated as

V = 4/3πr³

Substitute the known values in the above equation, so, we have the following representation

V = 4/3π * 9³

Evaluate

V = 972π

Hence, the container can hold 972π of water


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a two-tailed hypothesis test for a population mean is to be performed at the 1% level of significance. the population standard deviation is known. true or false: the critical values are the two which divide the area under the standard normal curve into a middle 0.98 area and two outside areas of 0.01.

Answers

The given statement is false.

In a two-tailed hypothesis test for a population mean, where the population standard deviation is known, the critical values are the values that divide the alpha (significance level) into two equal-tailed regions.

For a 1% level of significance (alpha = 0.01), a two-tailed test allocates half of the alpha to each tail of the distribution. In this case, each tail will have an area of 0.01/2 = 0.005.

The critical values are determined by the standard normal distribution (z-distribution) or by the t-distribution (if the sample size is small and the population standard deviation is unknown). These critical values represent the number of standard deviations away from the mean that correspond to the desired level of significance.

The specific critical values will depend on the sample size, distribution type (z or t), and the desired level of significance. To obtain the critical values, one would consult a standard normal distribution table or a t-distribution table, depending on the case.

In summary, the critical values in a two-tailed hypothesis test do not necessarily divide the area under the standard normal curve into a middle 0.98 area and two outside areas of 0.01. The allocation of the alpha (significance level) is determined based on the desired level of significance, and the critical values are obtained from the appropriate distribution table.

Therefore, the given statement is false

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Given that x=10, the number 7356 can be expressed as a polynomial 7x cubed + 3x squared + 5x + 6. Write 1892 as a polynomial in terms of x

Answers

The number 1892 can be expressed as a polynomial in terms of x as [tex]1x^3 + 8x^2 + 9x + 2.[/tex] By substituting the value of x into each term, we obtain the polynomial expression for the given number.

To express the number 1892 as a polynomial in terms of x, we need to determine the coefficients of each term by considering the place value of each digit.

The given number 1892 has four digits: 1, 8, 9, and 2. Each digit represents a coefficient of a term in the polynomial expression.

Starting from the leftmost digit, we assign the coefficients as follows:

1 is the coefficient of the term with the highest power of x, which is x^3.

8 is the coefficient of the term with the second highest power of x, which is x^2.

9 is the coefficient of the term with the power of x, which is x.

2 is the coefficient of the constant term, which is x^0 or simply 1.

Combining these coefficients with the corresponding powers of x, we obtain the polynomial expression: [tex]1x^3 + 8x^2 + 9x + 2.[/tex]

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Sucesión monótona creciente:

Answers

An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.

We have,

An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.

In other words,

The sequence is monotonically increasing, with no decreasing terms.

For example,

The sequence {1, 3, 5, 7, 9, ...} is an increasing monotonic sequence, as each term is greater than the one before it.

Thus,

An increasing monotonic sequence is a sequence of numbers in which each term is greater than or equal to the preceding term.

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The complete question

Increasing monotonic sequence:

For the following, write down the largest and smallest number in the group:
a)-10, -4, -16, -1, -21
b)-19, -8, -45, -5, -2
c)-4, 0, 3, -2, 7
d)-17, -6, -19, -10, -5

Answers

In the group of numbers given above, the largest and the smallest number in each group is given below respectively:

a.) -1 and -21

b.) -2 and -45

c.) 7 and -4

d.) -5 and -19

What is a number line?

A number line is defined as the representation of numbers in the order of negative and positive numbers with zero at the center of the structure.

In a number line, the figures that are at the right of zero are the positive and larger numbers while the numbers that are on the left of zero are the negative numbers and are smaller numbers.

Therefore, -1 is greater than -2 which is in turn greater than -3.

Therefore the largest and smallest numbers of each number group respectively include the following

a.) -1 and -21

b.) -2 and -45

c.) 7 and -4

d.) -5 and -19

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Consider the following system of equations. 2 ⁢ x − y = 12 − 3 ⁢ x − 5 ⁢ y = − 5 The steps for solving the given system of equations are shown below. Step 1 : - 5 ⁢ ( 2 ⁢ x − y ) = - 5 ⁢ ( 12 ) − 3 ⁢ x − 5 ⁢ y = − 5 Step 2 : − 10 ⁢ x + 5 ⁢ y = − 60 − 3 ⁢ x − 5 ⁢ y = − 5 Step 3 : − 13 ⁢ x = − 65 Step 4 : x = 5 Step 5 : 2 ⁢ ( 5 ) − y = 12 Step 6 : y = − 2 Solution: ( 5 , − 2 ) Select the correct statement about step 3. A. When the equation -3x − 5y = -5 is subtracted from -10x + 5y = -60, a third linear equation, -13x = -65, is formed, and it shares a common solution with the original equations. B. When the equations -10x + 5y = -60 and -3x − 5y = -5 are added together, a third linear equation, -13x = -65, is formed, and it has a different solution from the original equations. C. When the equation -3x − 5y = -5 is subtracted from -10x + 5y = -60, a third linear equation, -13x = -65, is formed, and it has a different solution from the original equations. D. When the equations -10x + 5y = -60 and -3x − 5y = -5 are added together, a third linear equation, -13x = -65, is formed, and it shares a common solution with the original equations.

Answers

The correct statement about step 3 include the following: C. When the equation -3x − 5y = -5 is subtracted from -10x + 5y = -60, a third linear equation, -13x = -65, is formed, and it has a different solution from the original equations.

How to solve these system of linear equations?

In order to determine the solution to a system of two linear equations, we would have to evaluate and eliminate each of the variables one after the other, especially by selecting a pair of linear equations at each step and then applying the elimination method.

Given the following system of linear equations:

2x - y = 12                .........equation 1.

-3x - 5y = -5               .........equation 2.

By multiplying the equation 1 by -5, we have:

-5(2x - y = 12) = -10x + 5y = -60

By adding the two equations together, we have:

-3x - 5y = -5

-10x + 5y = -60

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

-13x = -65

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Sketch the graph for a polynomial function whose zeros are 2 and -3

Answers

The equation of the polynomial is f(x) = x² + x - 6

To sketch the graph of a polynomial function with zeros at 2 and -3, we need to know the degree of the polynomial and potentially some additional information about the function.

For simplicity, let's consider a quadratic polynomial, which is a polynomial of degree 2. A quadratic polynomial can be written in the form:

f(x) = a(x - r)(x - s)

where "r" and "s" are the zeros of the polynomial and "a" is a constant coefficient.

Given that the zeros are 2 and -3, we have:

f(x) = a(x - 2)(x + 3)

To determine the specific shape of the graph, we need to know the value of the coefficient "a"

If we assume a = 1, the equation simplifies to:

f(x) = (x - 2)(x + 3)

Expanding this equation, we get:

f(x) = x² + x - 6

No we have a quadratic polynomial that we can graph. The graph of f(x) = x² + x - 6  will be a parabola

Hence , the equation is x² + x - 6 = 0

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izzy is calculating the amount of time it takes a rocket to get to the moon. the moon is around 239,000 miles from earth. how many hours would it take a rocket that can travel at 500 miles per minute to travel to the moon? round to the nearest hour.

Answers

Rounding to the nearest hour, it would take the rocket approximately 8 hours to travel to the moon at a speed of 500 miles per minute.

The amount of time it takes a rocket to travel to the moon, we need to divide,

the distance between the earth and the moon (239,000 miles) by the speed of the rocket (500 miles per minute).
So, the calculation would be:

239,000 miles ÷ 500 miles per minute = 478 minutes
To convert this into hours, we need to divide by 60:
478 minutes ÷ 60 = 7.97 hours

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stuck on this question

Answers

Answer:

The age of this parrot is 16 years old, and this parrot knows 68 words.

(a) Estimate the value of the limit lim (1 + x)^1/x to five decimal places.
x?0

Answers

We can use the fact that as x gets closer and closer to 0, the expression (1 + x)^1/x gets closer and closer to a certain value. The value of the limit to five decimal places is: 2.71828

One way to estimate this value is to use a calculator or computer program to evaluate the expression for smaller and smaller values of x, until we get a sense of what the limit might be. For example, we can plug in x = 0.001, 0.0001, 0.00001, etc., and see that the expression appears to be approaching a value of approximately 2.71828.

This value is actually a well-known mathematical constant called "e", which is approximately equal to 2.71828. Therefore, we can estimate the value of the limit lim (1 + x)^1/x to five decimal places as e, or approximately 2.71828.

To estimate the value of the limit lim (1 + x)^(1/x) as x approaches 0, we can use the fact that this limit is equal to the mathematical constant e.

lim (1 + x)^(1/x) as x -> 0 = e

e is approximately equal to 2.71828.

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A right triangle is shown below.
4√2 m
45°
Find the lengths of the missing sides
vertical leg
m
horizontal leg
45°
m

Answers

Answer:

Dang, too difficult. Anyways,

In a right triangle, if one angle is 45 degrees, it means that the other two angles must be 45 degrees as well, making it an isosceles right triangle. Given that the length of one leg is 4√2 m, we can determine the lengths of the missing sides using the properties of an isosceles right triangle.

Since an isosceles right triangle has two equal legs, the lengths of the vertical leg and horizontal leg will be the same. Let's denote the length of each leg as "m."

Using the Pythagorean theorem, we can find the length of the hypotenuse (the side opposite the right angle) in terms of "m":

hypotenuse^2 = leg^2 + leg^2

hypotenuse^2 = m^2 + m^2

hypotenuse^2 = 2m^2

To find the length of the hypotenuse, we take the square root of both sides:

hypotenuse = √(2m^2) = √2 * m

Therefore, the length of the hypotenuse is √2 * m.

In summary, for the given isosceles right triangle with one leg measuring 4√2 m, both the vertical leg and horizontal leg will have a length of "m," while the length of the hypotenuse will be √2 * m.

25 points! trigonometric ratios maze
is it 24/7, 7/24, 7/25?
and which side is the opposite side, adjacent side, and hypotenuse side?
thanks in advance

Answers

well, you can look at it this way, if you bend down and put your eye on the angle, the side that you will see across the triangle is going to be the opposite side, so the opposite side is always the side facing off the angle.  The adjacent side, is the "adjacent" or "next to" the angle, well, the opposite is across the expanse so is not touching the angle, so the other side that's not slanted is the adjacent or next to the angle.

In this case if we put our eye on the vertex A, what's across the expanse is BC, so the adjacent must be AB.

[tex]\tan(A )=\cfrac{\stackrel{opposite}{7}}{\underset{adjacent}{24}}[/tex]

The functions f(x) = x2 – 1 and g(x) = –x2 + 4 are shown on the graph.

The graph shows f of x equals x squared minus 1, which is an upward opening parabola with a vertex at 0 comma negative 1 and a point at negative 1 comma 0 and a point at 1 comma 0. The graph also shows g of x, which is a downward opening parabola with a vertex at 0 comma 4 and a point at negative 1 comma 3 and a point at 1 comma 3.

Explain how to modify the graphs of f(x) and g(x) to graph the solution set to the following system of inequalities. How can the solution set be identified?

y > x2 – 1
y ≤ –x2 + 4

Answers

The set of inequalities y ≤ x² - 1 and y > -x² + 4 do not have a solution

How to Interpret Inequality Graphs?

From the graph, we have:

f(x) = x² - 1

g(x) = -x² + 4

Next, we change the equations to inequalities as follows:

y ≤ x² - 1

y > -x² + 4

To modify the graph, we then perform the following transformations:

Shift the function g(x) down by 2 units

Reflect across the x-axis

Shift the function g(x) down by 3 units

After the modifications in (a), we have:

y ≤ x² - 3 and y > -x² + 2

Next, we plot the graph of the inequalities

From the graph of the inequalities, the curves of the inequalities have no point of intersection

Hence, the set of inequalities do not have a solution

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The area of the shaded region is about ___ square yd.

*Remember, don't round until you get to your final answer.

If the image does not come throught for you, look at #24 on the 2.03 Images document.

Answers

The area of the shaded region is given as follows:

1323.23 yd².

How to calculate the area of a circle?

The area of a circle of radius r is given by the multiplication of π and the radius squared, as follows:

A = πr²

The radius of a circle represents the distance between the center of the circle and a point on the circumference of the circle.

The smaller circle has the radius given as follows:

r = 23.1 yd.

Hence the area is given as follows:

A = π x 23.1²

A = 1676.39 yd².

The larger circle has the radius given as follows:

r = 23.1 + 7.8 = 30.9 yd.

Hence the area is given as follows:

A = π x 30.9²

A = 2999.62 yd².

Hence the area of the shaded region is given as follows:

2999.62 - 1676.39 = 1323.23 yd².

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What is the product of –3n(–12n)?

–15n.

36n.

–15n2.

36n2

Answers

the product of -3n(-12n) is d. 36n2.

The product of –3n(–12n) is 36n2.

Help please can you help me

Answers

The required equation of the circle is (x - 2)² + (y + 3)² = 10².

The standard form of the equation of a circle with center (h, k) and radius r is:

(x - h)² + (y - k)² = r²

Given that the center of the circle is (2, -3), so h = 2 and k = -3.

To find the radius r, we can use the distance formula between the center and the point on the circle:

r = sqrt((x - h)² + (y - k)²)

We are also given that point (8, 5) is on the circle.

Substituting the values of h, k, x, and y into the distance formula, we have:

r = √((8 - 2)² + (5 - (-3))²)

r = √(6² + 8²)

r = 10

Therefore, the equation of the circle in (x-h)² + ( y −k)² = r² form is:

(x - 2)² + (y + 3)² = 10²

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are their answers ment on their own 25 1.1 O is the centre of the circle. xy and z indicate the lengths of the sides of AOPR.Find with reasons the values of the following: 1.1.1 X (2) 1.1.2 Z 1.1.3 Y (1)​

Answers

Based on Pythagorean's theorem, the lengths of the sides of △OPR are:

x = 35 units.y = 55 units.z = 30 units.

What is a perpendicular bisector?

In Mathematics and Geometry, a perpendicular bisector bisects or divides a line segment exactly into two (2) equal halves and forms an angle that has a magnitude of 90 degrees at the point of intersection.

Since line segment OS bisects line segment PQ, we have the following:

x = QR = 35 units.

y = z + 25

By applying Pythagorean's theorem, we have the following:

x² + z² = y²

(z + 25)² = 35² + z²

z² + 50z + 625 = 1,225 + z²

50z = 1,225 - 625

50z = 600

z = 600/50

z = 30 units.

y = z + 25

y = 30 + 25

y = 55 units.

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Complete Question:

O is the centre of the circle. x, y, and z indicate the lengths of the sides of △OPR. Find with reasons the values of the following:

1.1.1   x

1.1.2  z

1.1.3  y

true or false: if this model suffers from heteroskedasticity, then ols estimates of the slope parameters are biased and inconsistent.

Answers

True. If a model suffers from heteroskedasticity, it means that the variance of the errors is not constant across all observations, which violates one of the key assumptions of the OLS (Ordinary Least Squares) method.

When the variance of the errors is not constant, the OLS estimates of the slope parameters become biased and inconsistent, which means that the estimated coefficients do not accurately reflect the true relationship between the independent and dependent variables. This can lead to incorrect conclusions and flawed predictions.

Therefore, it is essential to test for heteroskedasticity and take corrective measures such as using weighted least squares or robust standard errors to obtain unbiased and consistent estimates of the regression coefficients.

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