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Likurg_2 [28]
2 years ago
15

Find the area of the triangle.

Mathematics
2 answers:
nlexa [21]2 years ago
4 0

Answer:

22.5 i thiink

Step-by-step explanation:

9,4,5.     12

18

o24

which means it is...

look at the answer

Veronika [31]2 years ago
3 0
It’s 24.
Base (12) * height (4) = 24 squared
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From a balloon 1191 feet high, the angle of depression to the ranger headquarters is 72°54'. How far is the headquarters from a
Volgvan
If you take a look at my really poorly drawn diagram, we can see it is a trigonometry problem. The angle, however, is outside the triangle, and we can find the angle inside the triangle next to it by taking it away from 90°:
90°0' - 72°54' = 17°6' ≈ 17.1°.
We can find the other angles becuase one is 90° and the other is:
180°-90°-17°6'=72°54' ≈ 72.9°(which you can see if you know your angle theorems).

We now have diagram 2, nicely simplified so we can see where to go.
Using the Sine Rule, i.e.
\frac{sin(A)}{a} = \frac{sin(B)}{b}
We can rearrange to find our length b:
b=a \frac{sinB}{sinA}
Substituting numbers in:
b=1191 \frac{sin(17.1)}{sin(72.9)} =366.399...ft
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3 years ago
For every $5 tent saved, his his dad will contribute $2 to his saving account. How much will Trent have to put into the account
KonstantinChe [14]

Answer:

  $40

Step-by-step explanation:

Trent contributes 5/(5+2) = 5/7 of the amount in his account. For an amount of $56, he must contribute ...

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Trent will have to put $40 into the account before he can buy a $56 skateboard.

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3 years ago
A soccer team played 25 games last season. They won 16 games, lost 5 games, and tied the rest.
goldenfox [79]

Answer:

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Step-by-step explanation:

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4/25 = 16%

This is right because 21/25 is 84% and 84% + 16% = 100%

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Answer:

The answer is 17.2 hours

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Mama L [17]

Answer:

Step-by-step explanation:

The submarine is underwater for 6 seconds. The submarine hits the water after 1 second and comes back up at the 7th second.

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2 years ago
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