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Charra [1.4K]
3 years ago
5

A right triangle's hypotenuse is 20cm long. What is the length of the side opposite a 60 degree angle? Give your answer to the n

earest tenth of a centimeter.
Mathematics
1 answer:
Musya8 [376]3 years ago
8 0
Since you are dealing with hypotenuse and opposites, you need to use sine.

sin = (opposite)/(hypotenuse)

sin(60) = (opposite)/20
sin(60) * 20 = 17.3

The length of the opposite side is approximately 17.3 centimeters
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The correct option is C.

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5 0
1 year ago
when full the gas tank of a car holds 15 gallons. it now contains 12 gallons. what percent represents how full the tank is?
Masteriza [31]

Hello!

to find the percent of a whole, use this equation here:

(remaining) / (total) = X

X * 100 = %

in this case:

12 / 15 = 0.8

0.8 * 100 = 80

your answer is 80%

I hope this helps, and have a nice day!

5 0
3 years ago
Find the slope of the line. Write your answer in simplest form.
Savatey [412]

The slope of this line is: m = 3/4

3 0
3 years ago
Pleaseeeeeee helpppppppp​
mixer [17]

Answer:

B) Multiplying by 0

Step-by-step explanation:

This answer is correct because lets say we have a nonzero number, (IN this case lets say 4) 4+0 is 4, and that does not change the value because it is still 4, so A is not correct. Multiplying by 1 and dividing by one leads to the same conclusion. They both wind up to 4. The only one is B) because 4x0 is 0 and that isn't 4, so it changes value.

Hope this helped :)

5 0
2 years ago
Colin is to build a large Cube using smaller cubes. How many cubes one foot on a side will Calin need to make a cube one yard on
Vanyuwa [196]

Since 3 feet = 1 yard, Colin needs 3 cubes on each edge.  (See picture below.)

In that picture, you'll also see that there are 9 cubes on one layer and there are three layers.  

9x3 = 27

3 0
2 years ago
Read 2 more answers
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