3 years ago

To the nearest hundredth, what is the length of

Mathematics

1 answer:

alexira [117]3 years ago

4 0

Can we see line segment AB please

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Usimov [2.4K]

Answer:

It is a right triangle.

Step-by-step explanation:

By the Inverse Pythagoras Theorem if 39^2 = 36^2 + 15^2 then it is a right triangle.

39^2 = 1521

36^2 + 15^2 = 1296 + 225 = 1521.

So it is a right triangle.

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3 years ago

Klaus was replacing the roof on his house. He used 420 nails to attach all the pieces of wood. Each piece of wood needed 7 nails

Sladkaya [172]

Answer:

Step-by-step explanation:

if 7 nails are required for each piece of wood, you must determine how much wood you have in total by dividing the amount of nails by 7.

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3 years ago

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kotykmax [81]

Answer:

$\large\boxed{x=\dfrac{4}{3}}$

Step-by-step explanation:

$4^{3x-6}=\dfrac{1}{16}\\\\4^{3x-6}=\dfrac{1}{4^2}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\4^{3x-6}=4^{-2}\iff3x-6=-2\qquad\text{add 6 to both sides}\\\\3x=4\qquad\text{divide both sides by 3}\\\\x=\dfrac{4}{3}$

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Step-by-step explanation:

3/5 -1/3 = 4/15

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4 years ago

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