2 years ago

Which of the following sets of numbers is a Pythagorean triple?

Mathematics

1 answer:

katrin2010 [14]2 years ago

7 0

The awnser is would be 42,40,58

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Which choice is equivalent to the fraction below? Hint: Rationalize the denominator and simplify.

inna [77]

Answer:

$\boxed{\text{D. }3\sqrt{2}}$

Step-by-step explanation:

Multiply numerator and denominator by √2

$\dfrac{6}{\sqrt{2}} = \dfrac{6}{\sqrt{2}} \times \dfrac{\sqrt{2}}{\sqrt{2}}\\\\= \dfrac{6\sqrt{2}}{2}\\\\= \boxed{3\sqrt{2}}$

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3 years ago

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4. Find the exact volume of the cylinder. Use alt+227 or pi for pi as needed. . 1<br> 16<br> 21

lisov135 [29]

Answer:

Step-by-step explanation:

$\text{The volume of a cylinder is}\\ \\ V=h\pi r^2,\ r=16/2=8,/ h=21\\ \\ V=21\pi (8^2)\\ \\ V=1344\pi$

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3 years ago

Can someone answer this

MA_775_DIABLO [31]

Answer:

10 inches

Step-by-step explanation:

18*2=36

56-36=20

20/2= 10

The missing side length is 10 inches.

Hope this helps! Have a nice day :)

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3 years ago

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-5n-20=-20-10(n-2) (please help)

k0ka [10]

Answer:

n=4

Step-by-step explanation:

First use distributive property to expand -10(n-2)

-5n-20=-20-10n+20

Simplify

-5n-20=-10n

Combine Like Terms

-20=-5n

Divide both sides by -5 to isolate "n"

n=4

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3 years ago

You will need 120 feet of fencing to put all the way around a rectangular garden. The length of the garden is 40 feet. What is t

GREYUIT [131]

Answer:

A. 20 ft

Step-by-step explanation:

(120/2)-40=20

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3 years ago

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