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Iteru [2.4K]
2 years ago
14

1

Mathematics
1 answer:
klemol [59]2 years ago
6 0

Answer:

-2

Step-by-step explanation:

f(x)=-22-2x+5=-17-2x

when x=-3, f(x)=-11;

when x=3, f(x)=-23;

then the rate of change is:

[-23-(-11)]/[3-(-3)]=-2

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I will never get the hang of these questions help
jeyben [28]
First term is -7, so a_1 = -7

To get the next term, we add on 4. We can see this if we subtract like so
d = (2nd term) - (1st term) = (-3) - (-7) = -3+7 = 4

So d = 4 is the common difference. 

Apply a_1 = -7 and d = 4 to get...
a_n = a_1 + d*(n-1)
a_n = -7 + 4*(n-1)
a_n = -7 + (n-1)*4

Answer: Choice A
4 0
3 years ago
Yes its math y=7x+6 that is one of the questions
8_murik_8 [283]

Answer:

See explanation below.

Step-by-step explanation:

The equation is:

y = 7x + 6

This is the equation of a line in slope intercept form. The general form, where m is the slope and b is the y intercept is:

y = mx + b

In this case, with the equation:

y = 7x + 6

m is 7 and the y intercept is 6.

The y intercept means the point when x = 0:

(0, 6) is the y intercept point on the graph.

Hope this Helps! Have an Awesome Day!! (-:

8 0
3 years ago
The City of Oz has to repaint its cylinder-shaped water tower. Only the top and sides need to be painted. If the water tower has
scoundrel [369]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Among the choices provided the answer should be letter C. Below is the solution:

top 
<span>pi r^2 or pi * 400 </span>
<span>sides </span>
<span>2 pi r * 60 </span>
<span>40 * 60 pi </span>
<span>2400pi </span>

<span>so add the top and side we get p*400 + p*2400 = 2800 pi ft^2</span>

6 0
3 years ago
Find the y intercept.<br> y=-(2^x)
castortr0y [4]

Hello!

To find the y-intercept of any given equation, you will need to substitute x for zero.

Also, to write the y-intercept as an ordered pair, it will look like (0, y), where y is the y-intercept, and x-value is zero because we substituted zero into all the x-values of the equation.

y = -(2^x) (substitute x = 0)

y = -(2^0) (any exponent raised to the power of zero is equal to one)

y = -(1) (simplify)

y = -1

Therefore, the y-intercept of the function y, is (0, -1).

4 0
3 years ago
You need to put your reindeer, Balthazar, Rudy, Jebediah, and Ezekiel, in a single-file line to pull your sleigh. However, Ezeki
Strike441 [17]

Answer:12

Step-by-step explanation:

Given

Balthazar,Rudy,Jebediah and Ezekiel in a single-File line to pull sleigh

Jebediah and Ezekiel Stay together

i.e. we need to arrange three person considering Ezekiel and jebediah as Single person

therefore 3 person can  be arrange in 3! ways =6

and also Ezekiel and Jebediah can be arranged in 2 ways

Therefore a total of 2\times 6 ways are possible

7 0
3 years ago
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