3 years ago

PLEASE HELP ME I DON'T UNDERSTAND HOW TO DO THIS!!!!

1 answer:

6 0

Answer:

Sitting pretty in the prime of light. I'm so tasty if the price is right :) BOOM BOOM BOOM BOOM

Step-by-step explanation:

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Anuta_ua [19.1K]

First we have to find the missing angle. And we know that sum of the measurement of angles of a triangle is 180.

So we will get

$C = 180-30-45 = 105 degree$

Now we use sine law, which is

$\frac{sin \ A}{BC} = \frac{sin \ B }{AC}$

Substituting the values, we will get

$\frac{sin 30}{BC} = \frac{sin 45}{12}$

$BC = \frac{12 sin 30}{sin 45} = 6 \sqrt2$

The formula of area of triangle, for the given triangle is

$Area= \frac{1}{2}AC*BC sinC$

$Area = \frac{1}{2}*12*6 \sqrt 2 sin(105)= 49.2 \ square \ units$

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3 years ago

Natalka [10]

F(x) = x − 7 and g(x) = x2 . Find f(g(−1)).

1st let's find g(-1) → g(- 1) = (-1)² = 1
Now let's find f(1) →1 - 7 = -6

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4 years ago

docker41 [41]

-3, -2, -1, 0, 1, 2, 3, 4, 5, 6

The distance would be 9.

I apologize if I’m wrong, I’m not great at math :v

3 0

4 years ago

Nitella [24]

I think tha answer is a

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3 years ago

FrozenT [24]

I think A or C hope this helps

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3 years ago