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Lina20 [59]
3 years ago
9

Which statement is true about the right angles ABC and DEF

Mathematics
1 answer:
cluponka [151]3 years ago
7 0
The answer is the first one
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The length of each side of octagon is 1.66 inches.
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3 years ago
If F(x)=4x-1 and g(x)=x^2+7, what is g(f(x))
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Answer

g(f(x)) = = 16 {x}^{2} - 8x + 8

step by step Explanation

The functions given are

f (x)= 4x- 1

g(x)= {x}^{2} + 7

We want to find:

g(f (x))= g( 4x- 1)

This implies that

g(f (x))= ( (4x- 1)^{2} + 7)

Let us now simplify

( {a - b)}^{2} = {a}^{2} -2ab + {b}^{2}

This implies that

( (4x- 1)^{2} + 7) =( {(4x)}^{2} - 2(4x) \times 1 + 1

Combine the terms to get,

= 16 {x}^{2} - 8x + 1 + 7

= 16 {x}^{2} - 8x + 8
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3 years ago
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Cody said that dividing a unit fraction by a whole number is the same as multiplying the unit fractions by a unit fraction with
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Answer:

True

Step-by-step explanation:

Hi, the statement is true, because to divide a fraction we have to turn the second fraction upside down and multiply them. Since a whole number x can be written as x/1, it also applies to the case of dividing a fraction by a whole number.

We can prove it with an example.

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Multiplying the unit fractions by a unit fraction with a whole number as a denominator

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Step-by-step explanation:

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Answer:

16, 100, 1,

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A perfect square is a number multiplied by itself to get that number. So 16 would be 4*4 and 100 would be 10*10, then 1 would just be 1*1

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3 years ago
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