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VLD [36.1K]
3 years ago
15

A 30-60-90 triangle has a hypotenuse that has a length of 18. Find it’s area

Mathematics
1 answer:
erica [24]3 years ago
5 0

Answer:

4824

Step-by-step explanation:

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D) 191

Step-by-step explanation:

The entire circle is 254.5, calculated by using this formula

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Only 3/4 of the circle is needed for the area, however, so you multiply your area by 0.75

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2 years ago
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Step2247 [10]

Answer:

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Step-by-step explanation:

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3 years ago
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At a local election there were two propositions on the ballot, R and S. Twice as many voters voted "yes" for R as for S. If the
Over [174]

Answer:

c. 130

Step-by-step explanation:

Let call B the quantity of voters who voted yes for both propositions.

From the question we know that twice as many voters voted "yes" for R as for S, that can be written as the following equation:

R+B=2(S+B)

Where R is the number who voted "yes" for R but "no2 for S and S is the number who voted "yes" for S but "no" for R.

Replacing R by 750 and S by 310 and solving for B, we get:

750+B=2(310+B)

750+B=620+2B

2B-B=750-620

B=130

So, 130 voters voted yes for both propositions

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