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NeTakaya
3 years ago
10

F(x) = 17 - 2x Find f(a + 7)

Mathematics
1 answer:
Fudgin [204]3 years ago
4 0

Answer:

-2a + 3

Step-by-step explanation:

We can substitute a + 7 for x:

f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3

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What is the value of x in the equation 3X minus 4Y equals 65, when Y equals four
Vika [28.1K]

Answer:

Step-by-step explanation:

3x-4y=65

3x=65+4y

x=(65+4y)/3, when y=4

x=(65+4*4)/3

x=(65+16)/3

x=81/3

x=27

8 0
3 years ago
Read 2 more answers
I need help with this one too
NikAS [45]

Answer:

B

Step-by-step explanation:

I'm pretty sure that the shaded space represents all possible solutions, meaning that the X has to be greater than or equal to 2.

3 0
3 years ago
PLEASE HELP! I will award brainliest to the most helpful answer. I need an in depth explanation, not just the answer. How do you
Svetradugi [14.3K]

Answer:

y ≤ -4x+25

Step-by-step explanation:

First we need to figure out the equation for the line

The y intercept is  25

Next figure out the slope

slope = (y2-y1)/((x2-x1)

      = (49-25)/(-6-0)

      = 24/-6

    = -4

The equation for a line in slope intercept form is y = mx+b

y = -4x+25

This is a solid line so our inequality will have an equals in it.

It is shaded below, so y is less than.

If it was shaded above, y would be greater than

y ≤ -4x+25

8 0
3 years ago
What is answer to the question
kap26 [50]

Answer:

V = 825

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

The radius is 1/2 d = 1/2 (10) =5

Using 3 for pi

V = 3 ( 5)^2 * 11

V = 825

7 0
3 years ago
The ratio equation used to find percent is...
Serhud [2]

Answer: C

Step-by-step explanation:

5 0
2 years ago
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