3 years ago

What best describes the pair of angles below?

Mathematics

1 answer:

user100 [1]3 years ago

5 0

Answer:

i want to see the choices

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The diagonal of a cube is 28 cm. Identify the length of an edge. Round to the nearest tenth, if necessary. HELP PLEASE!!

makkiz [27]

Answer:

$16.2\ cm$

Step-by-step explanation:

we know that

The diagonal of a cube is equal to

$D=b\sqrt{3}$

where

b is the length of an edge of the cube

we have

$D=28\ cm$

substitute

$28=b\sqrt{3}$

$b=28/\sqrt{3}=16.2\ cm$

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Which of the following statements are true?

astraxan [27]

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Find the value of x <br> help

Temka [501]

Answer:

6.7

Step-by-step explanation:

This is trigonometry. We will have to find the opposite leg and the hypotenuse is given to us as 10. So we will have to use sin.

Soh in Soh cah toa

So sin(42)=x/10

10 times sin(42)=x

Evaluate using a calculator=6.69130606 and so on

Rounded to the nearest tenth is 6.7

So the answer is 6.7

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2 years ago

If 2.2 pounds = 1 kilogram and Mary weighs 120 pounds, how much does she weigh in <br> kilograms?

Strike441 [17]

Answer:

54.4311

Step-by-step explanation:

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3 years ago

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Which value from the set (54,45,27,6) makes 54/x = 9 true?

OLga [1]

Answer:

x = 6

Step-by-step explanation:

54/6 is 9. This is the only correct one.

Hope it helps!

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3 years ago