MATHEMATICS HIGH SCHOOL

Find the input (x) of the function y=3x - 7 if the output (y) is 5

Answers

Answer 1
Answer:

The input(x) of the function should be 4.

Calculation of the input:

Since the function is y=3x - 7 and the output (y) is 5

So,

y = 3x - 7

5 = 3x - 7

12 = 3x

x = 4

Therefore, we can conclude that The input(x) of the function should be 4.

Learn more about function here: brainly.com/question/24448736
Answer 2
Answer:

Hello there,

The following question is asking for us to determine the x value if the y value is 5.

In order for us to solve this we start by plugging in 5 for the y value:

  • 5 = 3x - 7

Now we add 7 to both sides:

  • 12 = 3x

Then we divide both sides by 3:

  • 4 = x

Therefore, when the output is 5 the input has to be 4.

Hope I helped,

Amna

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I have a homework problem on functions, its a expondental problem how do i right a equation for it

Answers

if the teacher said to yes but if she didnt no but just incase show your proof so that the teacher knows your follopwing in class

A number increased by 10

Answers

Answer:

im pretty sure we need the previous value

Answer:

20

Step-by-step explanation:

just got it right on plato

What is the area of this circle? (Express your answer using π.)
(Note: The diameter is 10ft.)

Answers

The area is πr².
The radius r is half the diameter. The diameter is 10 ft so the radius is 5 ft.

A=\pi * 5^2=25 \pi

The area is 25π ft².
Area of a circle is:

A = pi * r^2

If the diameter is 10 feet, the radius will be half of that or 5.

So:

A = 3.14 * 5^2

Simplify exponent:

A = 3.14 * 25

Multiply:

A = 78.5

The shoe size for all the pairs of shoes in a person’s close are recorded. 7,7,7,7,7,7,7,7,7,7A. What is the mean?
B. What is the standard deviation?

Answers

Answer:

To find the mean (average) and standard deviation of the given shoe sizes, you can follow these steps:

A. Mean (Average):

The mean is calculated by adding up all the values and then dividing by the number of values.

Mean = (Sum of all values) / (Number of values)

In this case, the sum of all the shoe sizes is:

7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 = 70

And there are 10 values.

Mean = 70 / 10 = 7

So, the mean (average) shoe size is 7.

B. Standard Deviation:

The formula for the standard deviation of a set of values can be quite complex, but for this small dataset with all values being the same, the standard deviation is essentially zero because there is no variability between the values.

In mathematical terms:

Standard Deviation = 0

So, the standard deviation for the given shoe sizes is 0.

PLEASE ANSWER ASAP! ANSWER MUST INCLUDE EXPLANATION IN ORDER TO RECEIVE POINTS AND THE BRAINLIEST ANSWER! THANKS!!!

Answers

We'll use the Pythagorean Theorem to solve this problem.
We know that the Pythagorean Theorem is the following:

a^(2) + b^(2) =c^(2)

where c is the hypotenuse (the side opposite the right angle), and a and b are the legs of the triangle.
To solve, we just have to input what we know. The two legs of the triangle are 60 and 100, so we just have to plug these values in and solve.

60^(2) + 100^(2) = c^(2)

3600 + 10000 = c^(2)

13600= c^(2)

So we know that the distance from one corner of the playing field to the opposite corner is the square root of 13,600 yards.
When we plug this into a calculator, we get

√(13600) ≈ 116.619...

which, when rounded up to the nearest whole number, is 117.
The approximate distance from one corner of the soccer field to the opposite corner is 117 yards.
Hope that helped! =)
The answer is 117 because you do 60 squared plus 100 squared then you find the square root of that product and since it says approximentaly the closest answer would be 117

Pls help with this division

Answers

x^2+3x+6

Step-by-step explanation:

this is the answer I got for some reason it is not an option on your question
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