Which of the following is the equation of
the vertical line? Select all that apply.
y = 6
y=-4
x = -4
x = 6

HELP

First let's review the area formula for a circle.

Area=π\(r^2\)

Now that we know the radius, r is 10. The area is

10*10*π=100π

I will approximate π to 3.14 although you could do it more precise or less precise. The final answer will be 100*3.14=314 squared centimeter.

Any question you have about this just ask in the comment of this answer :)

Answer:

\(\large\boxed{\mathtt{Exact = 100 \pi \ cm^{2}}}\)

\(\large\boxed{\mathtt{Approximate: 314.16cm^{2}}}\)

Step-by-step explanation:

\(\textsf{We are asked to identify the area of the circle with the given radius.}\)

\(\large\underline{\textsf{What is the Radius?}}\)

\(\textsf{The \underline{Radius} is a straight \underline{line segment} that covers the distance to the \underline{center} of the}\)

\(\textsf{circle, to the \underline{circumference}.}\)

\(\large\underline{\textsf{What is the Formula for Area?}}\)

\(\textsf{The formula we use for area is;} \mathtt{ \ Area = \pi(radius)^{2}.}\)

\(\textsf{Pi is used to help equal out the ratio of the formula. Mainly, it's helpful to find the area.}\)

\(\textsf{Now that we have the Radius, we can begin solving.}\)

\(\Large\underline{\textsf{Substitute:}}\)

\(\mathtt{Area = \pi(10)^{2}}\)

\(\mathtt{Area = 100 \pi}\)

\(\textsf{For our answer,} \ 100 \pi \ \textsf{is the \underline{exact answer} for the area of this circle.}\)

\(\Large\underline{\textsf{Evalulate 100 pi:}}\)

\(\mathtt{Area = 100 \pi \approx 314.16cm^{2}}\)

\(\textsf{314.16cm is the approximate area of this circle.}\)

Answer:

14 pulgadas

Step-by-step explanation:

a 7 pulgadas, entonces el diámetro es 2(7) = 14 pulgadas.

Confidence coefficient or confidence level for the interval is 0.95.

What is confidence coefficient?

The proportion of samples of a given size that may be anticipated to contain the true mean is all that the confidence coefficient is.

Confidence level:

Confidence level means the proportion or frequency of acceptable confidence intervals that contain the true value of the unknown parameter.

For example,

A 0% confidence level means you have no faith at all that if you repeated the survey that you would get the same results.

Main Body :

Confidence Interval = 95%

Hence the confidence interval would be 0.95.

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Answer:

Inverse relationship

Step-by-step explanation:

The equation we are looking at is;

y = 87.2/x

which implies xy = 87.2

If it was a direct relationship

y = constant * x

if it was inverse, it would have been

y * x = constant

since 87.2 is a constant, the question looks exactly like the second scenario.

This means that what we have is an inverse relationship

Answer:

It is 3/4

Step-by-step explanation:

You take the 3/4 out of the 1 and are left with 1/4 and then add that to the 1/2 and you get 3/4

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

Explanation:

f(x) = -x+9

f(0) = -0+9 .... replace x with 0

f(0) = 9

We will replace f(0) with 9 in the g(x) function. In other words, we plug in x = 9 into the g(x) function

This is because g( f(0) ) = g( 9 )

g(x) = x^2 - 6x + 9

g(9) = 9^2 - 6*9 + 9 ... replace x with 9

g(9) = 81 - 54 + 9

g(9) = 36

Therefore, g(f(0)) = g(9) = 36 or simply g(f(0)) = 36

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

Another method is to compute g(f(x)) algebraically first

g(x) = x^2 - 6x + 9

g(f(x)) = ( f(x) )^2 - 6*( f(x) ) + 9 .... replace every x with f(x)

g(f(x)) = ( -x+9 )^2 - 6*( -x+9 ) + 9 .... replace f(x) with -x+9

g(f(x)) = x^2 - 18x + 81 + 6x - 54 + 9

g(f(x)) = x^2 - 12x + 36

then we plug in x = 0

g(f(x)) = x^2 - 12x + 36

g(f(0)) = 0^2 - 12*0 + 36 ... replace x with 0

g(f(0)) = 36

Standard deviation and median are less affected by extreme scores, while mode is not affected at all since it represents the most frequently occurring value.

The measure of variation affected most by a few extreme scores is the range, as it considers only the difference between the highest and lowest values in a dataset. However, the mean can also be influenced by extreme scores, causing it to deviate from the central tendency. Standard deviation and median are less affected by extreme scores, while the mode is not affected at all since it represents the most frequently occurring value.

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The measure of variation affected most by a few extreme scores is the range. The range is the difference between the

highest and lowest values in a data set. Extreme scores significantly increase the range, making it a sensitive measure

of variation.

The measure of variation that is affected most by a few extreme scores is the standard deviation.

The reason for this is that the standard deviation is calculated by taking the square root of the sum of squared

deviations from the mean, and the squared deviations from the mean are particularly sensitive to extreme scores.

On the other hand, the mode, range, median, and mean are less affected by a few extreme scores.

The mode is simply the most frequently occurring value in a dataset and is not affected by extreme scores.

The range is the difference between the highest and lowest values in a dataset and can be affected by extreme scores, but only to a limited extent.

The median is the middle value in a dataset, and it is also not affected by extreme scores unless they are extreme

enough to change the position of the middle value.

The mean is the average value in a dataset, and while it can be influenced by extreme scores, its effect is typically less

pronounced than on the standard deviation.

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Answer:

f-1(x)= x+9/-5

Step-by-step explanation:

1. To determine the inverse of the given function, first change f(x) to y. Then, switch x and y in the equation.

2. Now, solve the equation for y.

3. Finally, change y to f -1(x).

Answer:

8

Step-by-step explanation:

\(x^2-2x \\x=4\\(4)^2-2(4)\\16-8\\8\)

Answer:

0.00656

Step-by-step explanation:

Answer:

Step-by-step explanation:

1. x+6=14

  14-6=8

  x=8

2. 15/x=3

   15/3=x

   x=5

3. 7*x=56

   56/7=8

   x=8

4. x^2-4=12

  x=4, x=-4

5. 1/4x=10

  x/4 = 10

  x = 40

6. 3x-9=18

    x=9

7. 1/2x-10=14

   x/2-10=14

   x=48

8.x/8=9

   8*9=72

  x=72

9.2x+3=24

   2x=21

 x=21/2

10.20*x=140

   140/20=7

   x=7

Answer:

real

Step-by-step explanation:

300000

The value of x in the expression  3x – 11 =0 is: x = 11/3.

Here, we have,

given that,

the expression is : 3x – 11 =0

now, we have to solve it for x.

so, we have,

3x – 11 =0

simplifying we get,

=> 3x=11

now, dividing both side by 3, we get,

=> 3x/3=11 /3

=>x=11/3

this is the answer in a fraction.

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complete question is:

what is the answer to 3x – 11 = 0, find the value of x.

Here is the answer to your question.Q1: Using MATLAB instruction:\(\[ z_1=[2+5 i 3+7 i ; 6+13 i 9+11 i], z_2=\left[\begin{array}{lll} 7+2 i & 6+8 i ; 4+4 s q r t(3) i & 6+s q r t(7) i \end{array}\right] \] i.\) Find z1z2 and display the result in rectangular form.

Since the sizes of z1 and z2 are compatible, we can multiply them. The MATLAB code for multiplying z1 and z2 is shown below:>>z1

=\([2+5i 3+7i; 6+13i 9+11i]; > > z2=[7+2i 6+8i; 4+4*sqrt(3)*i 6+sqrt(7)*i]; > > z1z2=z1*z2 The result of z1z2 is:z1z2\)

=  -39.0000 + 189.0000i  -50.0000 - 97.0000i -152.0000 - 50.0000i  -42.0000 +154.0000iTo represent the result in rectangular form, we need to use the real() and imag() functions to get the real and imaginary parts of the product. .

Then, we can combine these parts using the complex() function to get the result in rectangular form. The MATLAB code for this is shown below:>>rectangular_result

= complex(real(z1z2), imag(z1z2))

=  -39.0000 + 189.0000i  -50.0000 - 97.0000i -152.0000 - 50.0000i  -42.0000 +154.0000i

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Answer: B and they can play 6 levels

Step-by-step explanation: first solve the mixed fractions

Then solve the factions

Answer:

Infinite

Step-by-step explanation:

Answer:

0

Step-by-step explanation:

its 0 beacause there is no solution

I will give a Step by step solution to this equation

Let's solve your equation step-by-step.

−5d + 6 = 6 −5d

Step 1: Simplify both sides of the equation.

−5d + 6 = 6 −5d

−5d + 6 = 6 + −5d

−5d + 6 = −5d + 6

Step 2: Add 5d to both sides.

−5d + 6 + 5d = −5d + 6 + 5d

6 = 6

Step 3: Subtract 6 from both sides.

6 − 6 = 6 − 6

0 = 0

Answer:

0

Answer:

x=2

Step-by-step explanation:

<=> 3x+12-2=16

<=> 3x+10=16

<=> 3x=6

<=> x=2

The best way Antonio's budget can be modified to help him save enough is D. Antonio could reduce his monthly entertainment expenses by $75 and his food expenses by $50 to pay the monthly rent. He could take $200 out of savings once for the deposit

A budget is an estimate of revenue and expenses for a given period of time that is usually compiled and re-evaluated on a regular basis. A budget expresses intended expenditures as well as recommendations for how to meet them with resources.

Saving is the portion of one's income that is not spent on current expenses. In other words, it is money set aside for future use rather than being spent immediately. An expense is a cost incurred by businesses in the course of their operations. Wages, salaries, maintenance, rent, and depreciation are expenses.

In this case, the way to reduce the budget is illustrated.

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Yes, the vector v is necessarily orthogonal to w if v is in the image of the symmetric matrix A and w is in the kernel of A.

Yes, the vector v is necessarily orthogonal to w if v is in the image of the symmetric matrix A and w is in the kernel of A. This is due to the fact that for any symmetric matrix A, the image (column space) and kernel (null space) are orthogonal subspaces. Since v is in the image of A and w is in the kernel of A, their dot product must be zero, indicating orthogonality.

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The cost of one pair of jeans and one t-shirt is the same for both Maria and Joan.

To determine the cost of one pair of jeans and one t-shirt, we need to first calculate the total cost of Maria's purchase. The cost of 3 pair of jeans is 3 times the cost of one pair of jeans. Similarly, the cost of 5 t-shirts is 5 times the cost of one t-shirt.

We then add the cost of the jeans and the cost of the t-shirts together to get the total cost of Maria's purchase. We do the same for Joan's purchase- calculate the cost of 4 pairs of jeans and 10 t-shirts, and add them together.

Since the cost of one pair of jeans and one t-shirt is the same for both Maria and Joan, we can subtract the total cost of Maria's purchase from the total cost of Joan's purchase and be left with the cost of one pair of jeans and one t-shirt.

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a) The function modeling the growth of the wild boar population is given by: P(t) = 60 * e^(0.5 * t)

b) The expected number of boars by 2020 is approximately 268.90 (rounded to two decimal places).

a) To model the exponential growth of the wild boar population, we can use the general form of the exponential growth function:

P(t) = P₀ * e^(r * t)

where:

P(t) is the population size at time t

P₀ is the initial population size

r is the growth rate

t is the time elapsed

In this case, the initial population size in 2017 is P₀ = 60. We need to find the growth rate (r). Using the given information that the population increased from 60 to 88 over a span of 2 years (2017-2019), we can calculate the growth rate as follows:

88 = 60 * e^(r * 2)

Dividing both sides by 60:

88/60 = e^(2r)

Taking the natural logarithm (ln) of both sides:

ln(88/60) = 2r

Now we can solve for r:

r = ln(88/60) / 2

b) To calculate the expected number of boars by 2020, we need to substitute the obtained growth rate (r) and the corresponding time (t = 3 years) into the exponential growth function:

P(3) = 60 * e^(r * 3)

Using the calculated growth rate:

P(3) = 60 * e^(ln(88/60)/2 * 3)

) To calculate the expected number of boars by 2020 (which is 3 years after 2017), we substitute t = 3 into the exponential growth function:

P(3) = 60 * e^(0.5 * 3)

P(3) = 60 * e^1.5

P(3) ≈ 60 * 4.4817

P(3) ≈ 268.90

Therefore, the expected number of boars by 2020 is approximately 268.90 (rounded to two decimal places).

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Rounding up to the nearest whole number, the required sample size is approximately 8478.

To determine the required sample size to estimate a population proportion with a specified level of confidence and margin of error, we can use the formula:

\(n = (Z^2 * p * q) / (E^2)\)

where:

n = required sample size

Z = Z-score corresponding to the desired level of confidence (in this case, for a 95% confidence level, Z ≈ 1.96)

p = estimated population proportion (since we don't have a preliminary estimation, we can use p = 0.5 as it maximizes the sample size, making it more conservative)

q = 1 - p

E = desired margin of error (in this case, E = 0.03)

Plugging in the values into the formula:

\(n = (1.96^2 * 0.5 * 0.5) / (0.03^2)\)

n = (3.8416 * 0.25) / 0.0009

n ≈ 8477.44

Rounding up to the nearest whole number, the required sample size is approximately 8478.

Therefore, to be 95% confident that the estimate is within 3% of the true population proportion, a sample size of at least 8478 is required.

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The value of the expression when evaluated is: 162.

To evaluate the expression, 6x^4y^3, substitute x = -1 and y = 3 into the expression and solve.

6(-1^4) × 3^3

6(1) × 27

6 × 27

162

The value of the expression, 6x^4y^3, is: 162.

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Answer: your answer is A.

From the graph, we can find the y-intercept, or where the line intercepts the y-axis, and the slope of the line to formulate our equation.

With this information, we can write the equation of the line:

C. y = -5x + 3

*Note: the slope-intercept formula for a line is y = mx + b, where m is slope and b is the y-intercept.

Answer:

Step-by-step explanation:

option B

Complementary angles add up to 90°

m∠A + m∠B = 90

30 + 2x + 10 = 90

       2x + 40 = 90

To find the value of x, we have to isolate x. To isolate x, first we have subtract 40 from both sides.

2x = 90 -40

2x = 50

Now, divide both sides by 2

x = 50/2

x = 25°

∠B = 2x + 10

      = 2*25 + 10

    = 50 + 10

∠B = 60°

The average student headcount for the spring terms is: 10700

A graph is a non-linear kind of data structure made up of nodes or vertices and edges. The edges connect any two nodes in the graph, and the nodes are also known as vertices. This graph has a set of vertices V= { 1,2,3,4,5} and a set of edges E= { (1,2),(1,3),(2,3),(2,4),(2,5),(3,5),(4,50 }.

We have the information:

From the graph,

Number of headcounts for spring '0.2 - 0.3' = 10900

Number of headcounts for spring '0.3 - 0.4' = 10500

Number of headcounts for spring '0.4 - 0.5' = 10700

The average student headcount for the spring terms is:

= 1/3 (10900 + 10500 + 10700)

= 10700

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For complete question, to see the attachment.

Step-by-step explanation:

a ) 19 + 7 = 26

26 ÷ 2 = 13

13 - 5 = 8 ans

b) (19+7/2)-5

\(( \frac{19 + 7}{2} ) - 5\)

hope this answer helps you dear...

The given expression represents a number whose 5 times is 3 less than 15 which is 12/5.

Given that,
An expression is given we have to discuss what the expression 5p + 3 = 15 implies.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
Given expression,
5p + 3 = 15
5p = 15 - 3
p = 12 / 5

Thus, the given expression represents a number whose 5 times is 3 less than 15 which is 12/5.

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The number of servings of pasta were in the dish Lois made is 31.67.

Number of servings of pasta were in the dish Lois made = Number of cups of pasta Lois made / A serving of the pasta

= 6 1/3 ÷ 0.2

= 19/3 ÷ 0.2

= 19/3 × 1/0.2

= (19×1) / (3 × 0.2)

= 19/0.6

= 31.6666666666666

Approximately,

Number of servings of pasta were in the dish Lois made is 31.67 servings

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Answer:

See below

Step-by-step explanation:

The mean score and the standard deviation are needed