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spin [16.1K]
3 years ago
10

HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
(i think i went overboard with the ees)

Mathematics
2 answers:
Whitepunk [10]3 years ago
7 0

I got 27/40, hope it helps!!

Karo-lina-s [1.5K]3 years ago
5 0

Just use keep change flip.

Keep the first number ( -2 1/4 )

-2 \frac{1}{4}

Change the division sign to multiplication

Lastly, flip the third number, turning it into an improper fraction can help too just multiply the 3 x the three and since its negative i get -9 and now -9 x 1 that's -9 over 3.

- \frac{8}{4} × - \frac{9}{3}

Let's not worry about the negative sign for now

8 x 9 = 72

4 x 3 = 12

- \frac{72}{12}

Now to simplify, 12 x 6 = 72 so your answer is

- 6


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x = 182.53

Step-by-step explanation:

Use trigonometric ratios to find the whole side length (a) adjacent to 20° and the side length (b) adjacent to 57° respectively. Then find the difference. That would give you the value of x. That is: a - b = x

Let's solve.

✍️Finding the whole side length adjacent to 20°:

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Adjacent length = ? = a

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Thus,

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Plug in the values

tan(20) = \frac{87}{a}

Multiply both sides by a

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a = \frac{87}{tan(20)}

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Finding the side length adjacent to 57°:

Opp = 87

Adjacent length = ? = b

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Thus,

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Plug in the values

tan(57) = \frac{87}{b}

Multiply both sides by b

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Divide both sides by tan(57)

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b = \frac{87}{tan(57)}

b = 56.50

Therefore:

x = a - b

x = 239.03 - 56.50

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