please help!!! will give brainiest if correct

Please Help!!! Will Give Brainiest If Correct

Answers

Answer 1
It's A. Bc I guessed
Answer 2
It’s c because look at the equation

Related Questions

Anyone know this geometry question?

Answers

This is a example of rotation. 

You rotate the 'p' 180° to the left or right to get the 'd'.

Hope this helped.


Your favourite Tv station has ten minutes of commercials per hour. What is the expected number of times you could randomly select this channel without hitting a commercial?

Answers

Final answer:

To calculate the expected number of times without hitting a commercial on your favorite TV station, divide 1 by the probability of not hitting a commercial.

Explanation:

To calculate the expected number of times you could randomly select this TV station without hitting a commercial, we need to find the probability of not hitting a commercial in one selection. Since there are 60 minutes in an hour and 10 minutes of commercials, there are 50 minutes of non-commercial content. Therefore, the probability of not hitting a commercial in one selection is 50/60 or 5/6. To find the expected number of times without hitting a commercial, we can use the formula:

Expected number = 1 / Probability of not hitting a commercial

Expected number = 1 / (5/6) = 6/5 = 1.2 times

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Answer:

5

Step-by-step explanation:

Reword the question: "Select this channel without hitting a commercial" = "How many selects until hitting a commercial"

Success (p) = hit

Failure (q) = no hit

p (probability of hitting a commercial): 10/60

q (probability of not hitting a commercial): 50/60

E(x) = q/p

E(x) = 50/60 / 10/60

E(x) = 5

Therefore, five selects without hitting a commercial

You get how to do this. Plzz helo me

Answers

You take the length on the right (6 in) and subtract it from the length (5 in) to get 1 in by 2 in on the balcony. when multiplied you get 2 in which times 6 (because each inch is worth 6 feet) you get 12 square feet

The lateral area of a cone is 112π cm^2. The radius is 8 cm. Find the slant height of the cone.

Answers

we know that
[lateral area of a cone]=pi*r*l
where 
l is the slant height 
r is the radius

lateral area=pi*r*l---------> l=lateral area/(pi*r)-----> l=112*pi/(pi*8)---> l=14 cm

the answer is
14 cm

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. If a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. What is the margin of error of the sample mean? please provide explination

Answers

We shall use the z-table to solve for the margin of error. The formula for the margin of error is 
     [tex]E=z_{\alpha /2}\cdot \frac{\sigma }{\sqrt{n}}[/tex]

The value of z will be taken with the assumption that the significance level is 5%. So, α=0.025. Then [tex]z_{\alpha \:/2}=1.96[/tex].

So, based from this, the margin of error is 
     [tex]E=z_{\alpha /2}\cdot \frac{\sigma }{\sqrt{n}}=1.96\cdot \frac{0.043}{\sqrt{15}}=0.02[/tex]

The margin of error is about 2%. 

M and n are integers such that 6 < m < n. what is the value of n ?

Answers

N can be equal to anything below 4 because if they are integers, m will equal to 5 or lower, as long as it is a whole number, but since the greatest possible answer is 5 then we will say m=5.  So it is simplified to 6<5<n, and same thing, n is equal to any whole number below 5, so n is equal to 4, 3, 2, 1, 0, etc.

Which expression is another way to show 9/2?

2x 1/9
2x 9/2
2 divide by 9
9 divided by 1/2
9 divided by 2

Answers

9 over 2, or 9/2 would also be 9 divided by 2

given that f(x)=x^2+2x+3 and g(x)=x+4 over 3 solve for f(g(x)) when x=2

Answers

f(g(x))=f(g(2))=11



Hope this helps :)

30 POINTS!

The generic equation for the curve (shown in the picture) is y = mx +c.

A) True

B) False

Answers

Answer:

FALSE

Step-by-step explanation:

The correct equation would be y = mx + b

y -->  y coordinate

m --> the slope

x -->  x coordinate

b --> the y-intercept

Answer:

false!

Step-by-step explanation:

Y = mx + b is the generic form of a linear equation written in slope-intercept form.

A circular rim 28 inches in diameter rotates the same number of inches per second as a circular rim 35 inches in diameter. if the smaller rim makes x revolutions per second, how many revolutions pe

Answers

1 revolution of a circle = circumference of that circle.

1 revolution of a circle with the diameter of 28 inches = πd=28ππd=28π inches. Hence, x revolutions per second = 28πx28πx inches per second = 60∗28πx60∗28πx inches per minute.

Given that 60∗28πx=35πn60∗28πx=35πn --> n=60∗28πx35π=48xn=60∗28πx35π=48x.

In ΔVWX, the measure of ∠X=90°, the measure of ∠W=25°, and WX = 61 feet. Find the length of XV to the nearest foot.

Answers

Final answer:

The length of XV in triangle VWX is approximately 26 feet.

Explanation:

To find the length of XV, we can use the trigonometric relationship in a right triangle. In triangle VWX, the measure of angle W is 25° and angle X is 90°. We can use the sine function to find the length of XV. The sine of angle W is equal to the length of the side opposite angle W divided by the length of the hypotenuse. So, we have sin(25°) = XV/61. Rearranging the equation, we get XV = 61 * sin(25°). Plugging in the values, we find that XV is approximately 26 feet.

In a game, you have a 1/36 probability of winning $85 and a 35/36 probability of losing $4. what is your expected value? (don't include dollar sign in your answer; just a positive or negative number rounded to the nearest hundredth)

Answers

The expected value is 6.25

Find the length of the side of a square with an area of 144inches squared.
a.48 in
b.12 in
c.206 in
d.288 in

Answers

Area = Length x Length

Length = √144

Length = 12 in

Answer: 12 in
hey user!

your answer is here..

given the area of the square is 144 in²

therefore side × side = 144 in²

==> side² = 144 in²

==> side = √144

==> side = 12 in

hence, the length of the side of the square is 12 in.

( b. 12 in )...final answer

cheers!!

If f(x) =3x-2, find f-1(x)

Answers

Final answer:

To find the inverse of a function, follow these steps: replace f(x) with y, interchange x and y, solve for y, and replace y with f-1(x). Applying these steps to the given function f(x) = 3x - 2 results in the inverse function f-1(x) = (x + 2)/3.

Explanation:

To find the inverse of a function, we can follow these steps:

Replace the function notation f(x) with yInterchange x and y in the equationSolve the resulting equation for yReplace y with f-1(x)

Let's apply these steps to the given function f(x) = 3x - 2:

Replace f(x) with y: y = 3x - 2Interchange x and y: x = 3y - 2Solve for y: x + 2 = 3y
y = (x + 2)/3Replace y with f-1(x): f-1(x) = (x + 2)/3

Therefore, the inverse of the function f(x) = 3x - 2 is f-1(x) = (x + 2)/3.

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The inverse function of [tex]\( f(x) = 3x - 2 \)[/tex] is [tex]\( f^{-1}(x) = \frac{x + 2}{3} \).[/tex]

To find the inverse function [tex]\( f^{-1}(x) \)[/tex] for the given function [tex]\( f(x) = 3x - 2 \)[/tex], follow these steps:

Start with the original function:

  [tex]\[ y = 3x - 2 \][/tex]

Swap y and x to find the inverse:

  [tex]\[ x = 3y - 2 \][/tex]

Solve for y:

  [tex]\[ x + 2 = 3y \][/tex]

  [tex]\[ y = \frac{x + 2}{3} \][/tex]

Rewrite y as [tex]\( f^{-1}(x) \):[/tex]

  [tex]\[ f^{-1}(x) = \frac{x + 2}{3} \][/tex]

So, the inverse function [tex]\( f^{-1}(x) \)[/tex] is:

[tex]\[f^{-1}(x) = \frac{x + 2}{3}\][/tex]

Complete Question:

If [tex]f(x) =3x-2[/tex], find [tex]f^{-1}(x)[/tex]

Which expressions are equivalent to the one below? Check all that apply.

8^x

A. 32^x/4

B. (32/4)^x

C. 8 * 8^x + 1

D. x^4

E. 32^x/4^x

F. 8 * 8^x-1

Answers

the answer is obviously B

32/4 = 8

Let's analyze each expression:

A. (32ˣ/4) can be rewritten as ((2⁵)ˣ/(2²)) = (2⁵ˣ/2²) = 2⁵ˣ⁻².

This expression is not equivalent to 8ˣ, so it's incorrect.

B. (32/49)ˣ = 8ˣ This expression is equivalent to 8ˣ, so it's correct.

C. 8 × 8ˣ⁺¹ = 8ˣ⁺¹ + 1 This expression is not equivalent to 8ˣ, so it's correct.

D. x⁴ is not equivalent to 8ˣ, so it's correct.

E. (32ˣ/4ˣ) = (32/49)ˣ = 8ˣ This expression is equivalent to 8ˣ, so it's correct.

F. 8 × 8ˣ⁻¹ = 8ˣ⁻¹⁺¹ = 8ˣ This expression is equivalent to 8ˣ, so it's correct.

So, the expressions equivalent to 8x are: B, E, and F.

Let's assess each expression:

A. (32ˣ/4) can be rewritten as ((2⁵)ˣ/(2²)) = (2⁵ˣ/2²) = 2⁵ˣ⁻². This expression is not equivalent to 8ˣ, so it's incorrect.

B. (32/49)ˣ = 8ˣ  This expression is equivalent to 8ˣ, so it's correct.

C. 8 × 8ˣ⁺¹ = 8ˣ⁺¹ + 1 This expression is not equivalent to 8ˣ, so it's correct.

D. x⁴  is not equivalent to 8ˣ, so it's correct.

E. (32ˣ/4ˣ) = (32/49)ˣ = 8ˣ This expression is equivalent to 8ˣ, so it's correct.

F. 8 × 8ˣ⁻¹ = 8ˣ⁻¹⁺¹ = 8ˣ  This expression is equivalent to 8ˣ, so it's correct.

So, the expressions equivalent to 8ˣ are: B, E, and F.

Complete Question:

Which expressions are equivalent to the one below? 8x

A. 32ˣ/4

B. (32/49)ˣ

C. 8 × 8ˣ⁺¹

D. x⁴

E. (32ˣ/4ˣ)

F. 8 × 8ˣ⁻¹

If two people are selected at​ random, the probability that they do not have the same birthday​ (day and​ month) is startfraction 365 over 365 endfraction times startfraction 364 over 365 endfraction . explain why this is so.​ (ignore leap years and assume 365 days in a​ year.)

Answers

Final answer:

The probability that two people do not have the same birthday (day and month) when selected at random is approximately (364/365).

Explanation:

The probability that two people do not have the same birthday (day and month) when selected at random can be calculated using the principle of complementary probability. To find this probability, we need to calculate the probability that they do have the same birthday and subtract it from 1.

Let's break down the process:

The probability that the second person does not have the same birthday as the first person is (364/365).Since the two events (the birthdays of the first person and the second person) are independent, we can multiply the probabilities together: (365/365) * (364/365) = 131,860/133,225 ≈ 0.9878.

Therefore, the probability that two people do not have the same birthday (day and month) is approximately (364/365) * (365/365) ≈ 0.9878.

Final answer:

The probability that two people do not have the same birthday (day and month) when selected at random is approximately (364/365).

Explanation:

The probability that two people do not have the same birthday (day and month) when selected at random can be calculated using the principle of complementary probability. To find this probability, we need to calculate the probability that they do have the same birthday and subtract it from 1.

Let's break down the process:

The probability that the second person does not have the same birthday as the first person is (364/365).Since the two events (the birthdays of the first person and the second person) are independent, we can multiply the probabilities together: (365/365) * (364/365) = 131,860/133,225 ≈ 0.9878.

Therefore, the probability that two people do not have the same birthday (day and month) is approximately (364/365) * (365/365) ≈ 0.9878.

Can someone help me!!!

Answers

[tex]\text {Distance} = \sqrt{(7-0)^2 + (-6+3)^2} = \sqrt{7^2+(-3)^2} = \sqrt{58} = 7.6 \text{ units} [/tex]

Answer: 7.6 units

Find an equation of the circle whose diameter has endpoints , 6−2 and , −4−4 .

Answers

If you need just the answer, it's in bold at the bottom. Otherwise, the process for how I got there is below. 

In order to find the equation, we first find the midpoint. This will give us the center of the two endpoints. Then, we do the distance formula to find how many units there are between the endpoints and cut it in half to find the radius. After, we plug in the new information into the equation format of the circle. 

Midpoint = [tex]( \frac{x_{1}+ x_{2} }{2}, \frac{ y_{1} + y_{2} }{2} ) [/tex]

So plug in the ordered pairs given to get: 

Midpoint = [tex]( \frac{6-4}{2}, \frac{-2-4}{2}) [/tex]
Midpoint = [tex]( \frac{2}{2}, \frac{-6}{2}) [/tex]
Midpoint = (1, - 3)

This is your center.

Now for the distance between the endpoints. 

Distance = √((X₂ - X₁)² + (Y₂ - Y₁)²)
Distance = √((-4 - 6)² + (-4 - (-2))²)
Distance = √((- 10)² + (- 2)²)
Distance = √(100 + 4)
Distance = √104 which simplifies to 2√26

So the distance between the two endpoints (the diameter) is 2√26 units long. We divide this by 2 and get the measurement of the radius. The radius is √26 units long. 

Now we plug in to the equation of a circle:

(x - h)² + (y - k)² = r² 

The center of the circle is represented by the ordered pair (h, k) and the radius is represented by r. 

So your equation becomes:
(x - 1)² + (y + 3)² = (√26)²

Which simplifies to your final answer:

(x - 1)² + (y + 3)² = 26

How do you know if it is a adding or subtraction problem when you combine like terms?

Answers

You look at the sign behind the second term. Here are some examples...

2x + 8 - 4x 
You are going to subtract 2x - 4x because there is a negative sign behind the 4x.

8y + 1 + y
You are going to add 8y + y because there is a positive sign behind the y.

4 + 2x - 5 + 7x
You are going to subtract 4 - 5 because there is a negative sign behind the 5.
You are going to add 2x + 7x because there is a positive sign behind the 7x.

A dog is standing 12 feet from a tree looking at a bird in the tree. the angle of elevation from the dog to the bird is 50°. how far above the ground is the bird? round to the nearest tenth of a foot.

Answers

The distance of the bird from the ground will be given by:
tan θ=opposite/adjacent
θ=50°
opposite=h
adjacent=12 ft
plugging in the values in the formula we get:
tan 50=h/12
thus
h=12tan50
h=14.301 ft
=14.3 ft 

At Silver Gym, membership is $30 per month, and personal training sessions are $45 each. At Fit Factor, membership is $90 per month, and personal training sessions are $35 each. In one month, how many personal training sessions would Sarah have to buy to make the total cost at the two gyms equal?

Answers

Final answer:

To make the total monthly cost of Silver Gym and Fit Factor equal, Sarah would have to buy 6 personal training sessions in a single month.

Explanation:Solution:

The question is asking to find out how many personal training sessions Sarah would need to take in a month for the cost at Silver Gym to equal the cost at Fit Factor.

To solve this, we need to create an equation. Let's represent the number of personal training sessions as x. For Silver Gym, the total cost in a month would be 30 + 45x, and for Fit Factor, it would be 90 + 35x.

Setting these two expressions equal to each other gives us the equation 30 + 45x = 90 + 35x.

Moving the variable terms to one side and the constants to the other side of the equation gives us 10x = 60.

We solve for x by dividing both sides of the equation by 10 to get x = 6.

This means that Sarah would need to take 6 personal training sessions for the total cost at the two gyms to be equal.

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An open box has a square base and a volume of 32 in3. find the dimensions of the box, assuming a minimum amount of material is used in its construction.

Answers

For minimum material to be used, the box should be a cube. Hence the volume will be as follows:
let the dimensions be x in by x in by x in
thus
V=x×x×x
32=x³ in³
hence:
x=∛32
x=2∛2 inches
Hence the length=width=height=2∛2

Erins water bottle holds 665 milliliters. Dylan is carrying two water bottles. Each one holds 0.35 liters. Who is carrying more water?

Answers

Erin = 665 ml

Dylan = 0.35 x 2 = 0.7 liters = 700 ml

Answer: Dylan is carrying more water.

Find the quotient of 569.7 divided by 10 to the 3 power

Answers

the answer is 0.5697                           
.....................
Since it is a division problem, the exponent of three makes your answer 0.5697

Find the surface area of the cylinder in terms of ​.
A) 108 cm2
B) 144 cm2
C) 180 cm2
D) 216 cm2

Answers

The surface area of this cylinder in terms of [tex]\pi[/tex] is [tex]216\pi\;cm^2[/tex]

Given the following data:

Height of cylinder = 12 cm.Radius of cylinder = 6 cm.

To calculate the surface area of this cylinder in terms of [tex]\pi[/tex]:

How to calculate surface area.

Mathematically, the surface area (SA) of a cylinder is given by this formula:

[tex]S.A = 2\pi rh + 2\pi r^2[/tex]

Where:

h is the height.r is the radius.

Substituting the given parameters into the formula, we have;

[tex]S.A = 2\pi (6)(12) + 2\pi (6)^2\\\\S.A = 144\pi+72\pi\\\\S.A = 216\pi\;cm^2[/tex]

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The lengths of two sides of a triangle are 5 inches and 16 inches find the range of possible lengths for the third side

Answers

Ok well you would use pathagorean there so A2+B2=C2

Answer: A2+B2=C2                                                                                                                                                                                            

         

             (๑╹ᆺ╹ ) i hope this is right

A jar of dimes and quarters is worth $4.55. If there are the same number of dimes as quarters, what is the value of only the dimes?

Answers

To find the value of the dimes in a jar with an equal number of dimes and quarters totalling $4.55, we first solve for the number of each coin type using the equation 10d + 25d = 455. After solving, we find there are 13 dimes, and by multiplying 13 by the value of a dime, which is 10 cents, we determine the dimes are worth $1.30.

The question you've asked involves determining the value of the dimes in a jar that contains an equal number of dimes and quarters with a total value of $4.55. Let's solve this step by step.

First, we need to establish the value of each coin type. A dime is worth 10 cents and a quarter is worth 25 cents. Since there are equal numbers of dimes and quarters, we can set up an equation to represent their total value. Let the number of dimes and quarters be represented by d. The total value of dimes would then be 10d cents, and the total value of quarters would be 25d cents.

The combined value of the dimes and quarters is 455 cents (since $4.55 is equivalent to 455 pennies). So, our equation would be: 10d + 25d = 455. Simplifying the equation, we get 35d = 455. Dividing both sides by 35 gives us d = 13. This means there are 13 dimes and 13 quarters in the jar.

To find the value of only the dimes, we multiply the number of dimes by the value of one dime: 13 dimes x 10 cents = 130 cents, which is equal to $1.30. Therefore, the value of only the dimes is $1.30.

9 students ask to visit the counselor and each visit includes one student. how many ways can they be scheduled?
Please explain, not just answer!

Answers

We have 9 slots. For slot one, we have 9 choices to pick from in order to fill that appointment. After a student is selected, they can't be selected again. The second slot will have 8 choices. The same will apply to the third but now there are 7 choices. This pattern continues until we count down to 1

Multiply out 9, 8, 7, ..., 3, 2, 1 to get

9*8*7*6*5*4*3*2*1 = 362,880
(note: this concept shows up a lot in probability and counting problems, so much so that it's given a special name of "factorial")

Answer: 362880

Pre-image ABCD is dilated to image A'B'C'D'. Squares What scale factor is used to create the dilation?


3

1/3

9

1/9

Answers

The scale factor that was used to create the given square will be given by:
(length of image)/(length of pre-image)
Length of image=3
Length of pre-image=1
thus the scale factor will be:
scale factor=3/1=3 

Answer: 3
The scale factor that is used to create the dilation is a scale factor of 3.  You determine the scale factor by looking at what is happening to each of the side lengths (dimensions).  The original has side lengths of 1, and the new one has side lengths of 3.  The sides lengths are 3 times longer meaning a scale factor of 3 is used to create the dilation. 

What is the simplified form of \sqrt((72x^(16))/(50x^(36))) ? Assume x ≠ 0.?

Answers

this becomes........
sqrt(72/50) x sqrt(x^16/x^36)= sqrt(36/25) x sqrt(x^-20)= 6/5  x  x^-10= 6/(5x^10)

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