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ki77a [65]
2 years ago
13

If f(x) => x2 +6, what is the value of f(8)?

Mathematics
1 answer:
soldier1979 [14.2K]2 years ago
4 0

Answer:22

Step-by-step explanation: since f(8) so x=8

substitiuting x in 2x+6

                                      f(8)= 2x8+6=22

so f(8)=22

Hope this helps! :)

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If 6 is added to three quarters of a certain number, the result is 42 . Find the original number​
Basile [38]

Answer:

Step-by-step explanation

Hello!

3x/4 + 6=42

3x/4=42-6 = 36

3x = 36*4

3x = 144

x= 144/3 =48

3/4 of  48  = (48*3)  / 4 =36

36+6=42

the original number​ is 48

4 0
3 years ago
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How can you generate x-3y+5 from the expression x+y+4+2y+1
vladimir2022 [97]

Answer: Here is the explanation. also it it +3y not -3y

Step-by-step explanation:

x+y+4+2y+1=x+3y+5 because

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now you have: x+3y+5

if you do not understand, What i am trying to say is, you need to add all of the same things.

3 0
3 years ago
A square has a perimeter of 28 inches. Find the area of the square.
sasho [114]

Answer:

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Step-by-step explanation:

The perimeter of a square is found by

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28 = 4s

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4 0
3 years ago
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What is the midpoint of (-3,-7) and (9,8)
Sliva [168]
Hope this will help you. It is a little hard to explain.

4 0
3 years ago
If 5 1/3= x/3 then x=
rosijanka [135]

Answer:

16

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Hope you get it.

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3 years ago
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