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Sholpan [36]
3 years ago
7

PLEASE HELP NEED THIS TO PASS

Mathematics
1 answer:
yaroslaw [1]3 years ago
5 0

The solutions to f(x) = 64 is x = 7 and x = –7.

Solution:

Given data:

$f(x)=x^{2}+15 – – – – (1)

f(x)=64 – – – – (2)

To find the solutions to f(x) = 64.

Equate equation (1) and (2), we get

x^2+15=64

Subtract 15 from both sides of the equation.

x^2+15-15=64-15

x^2=49

x^2=7^2

Taking square root on both sides of the equation, we get

x = ±7

The solutions to f(x) = 64 is x = 7 and x = –7.

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6 • 14 - (9 + 8) 2 =
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Answer:

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Step-by-step explanation:

For this question you would follow the BIDMAS rule - (Brackets, Indices, Division, Multiplication, Addition, Subtraction.)

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And this is how you get the answer 50

i hope this has helped you, please comment if you did not understand it and i will explain it in another way : )

4 0
3 years ago
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Which figure is a rotation of figure E <br><br> Figure F<br> Figure G<br> Figure H
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Below.

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