3 years ago

HELP HELP HELP HELP HELP HELP HELP HELP

Mathematics

1 answer:

Vladimir79 [104]3 years ago

5 0

Answer:

2.25

Step-by-step explanation:

in order to find the scale factor from A to B you need to divide B by A. 13.5÷6=2.25. 11.25÷5=2.25 and 4.5÷2=2.25.

therefore the scale factor is 2.25 because when you multiply the sides from A by 2.25 you get the length of the side from B.

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The Pythagorean theorem is a² + b² = c². Solve for b. b=±c+a−−−−√ b=±c2−a2−−−−−−√ b=±c2+a2−−−−−−√ b=±c−a−−−−√

uysha [10]

$a^{2} +b^{2} =c^{2}$

As we have to solve for b, it means we have to isolate b

So first of all subtract $a^{2}$ from both sides

So we get

$b^{2} =c^{2} -a^{2}$

Now we need b , but its b^2 , so we can take square root on both sides.

taking square roots on both sides

$b= +- \sqrt{c^2 -a^2}$

Hence option B is correct

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Alexeev081 [22]

Answer:

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Step-by-step explanation:

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Equivalent express15n+5n

makkiz [27]

♥ Let's solve:

15n+5n can be known as 15+5.

15+5=20 now add n.

Final answer: 20n

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KatRina [158]

Hello,

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Answer:

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Step-by-step explanation:

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