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tamaranim1 [39]
3 years ago
9

Find the perimeter of a rectangle whose length is 15 cm and length of one diagonal is 17cm

Mathematics
1 answer:
Ulleksa [173]3 years ago
6 0

Answer:

<h2>46 cm</h2>

Step-by-step explanation:

first ,we use the Pythagorean theorem to determine the width:

width = √(17^2-15^2) = 8

then

perimeter = 2(width+lengt) = 2(8 + 15) = 2×23 = 46

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If f(x)=4x-2 and g(x)=-8x+7, find h(x)=f(x) - g(x)
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Answer:

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Step-by-step explanation:

We are given the two functions:

f(x)=4x-2\text{ and } g(x)=-8x+7

And we want to find:

h(x)=f(x)-g(x)

So, by substitution:

h(x)=(4x-2)-(-8x+7)

Simplify. Distribute:

h(x)=(4x-2)+(8x-7)

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2 years ago
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See below for answers

Step-by-step explanation:

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2nd blank: 2

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Answer:

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