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3 years ago

12

HELP HELP PLZ ABOUT TO FAIL ASAP

1 answer:

Marina CMI [18]3 years ago

5 0

What are the choices?

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I really need help with this Triangle problem.

julia-pushkina [17]

Answer:

x = 10

y = 20

Step-by-step explanation:

$\tan \: 30 \degree = \frac{x}{10 \sqrt{3} } \\ \\ \frac{1}{ \sqrt{3} } = \frac{x}{10 \sqrt{3} } \\ \\ \sqrt{3} x = 10 \sqrt{3} \\ \\ x = \frac{10 \sqrt{3} }{ \sqrt{3} } \\ \\ x = 10 \\ \\ \cos 30 \degree = \frac{10 \sqrt{3} }{y} \\ \\ \frac{ \sqrt{3} }{2} = \frac{10 \sqrt{3} }{y} \\ \\ y = 10 \sqrt{3} \times \frac{2}{ \sqrt{3} } \\ \\ y = 10 \times 2 \\ \\ y = 20$

4 0

2 years ago

What is - 15 +6f = 5

Keith_Richards [23]

Answer:

f = 10/3

Step-by-step explanation:

-15 + 6f = 5

-15 + 15 + 6f = 5 + 15

6f = 20

6f/6 = 20/6

f = 20/6 = 10/3 = 3.333...

8 0

2 years ago

Read 2 more answers

PLEASE HELP<br> ANSWER SERIOUSLY

alex41 [277]

Answer:

raise a product to a power.

you first simplify the parenthesis in the numerator by raising 2 by the power of three and multiplying the exponents.

i suck at explaining, but after the first step the expression looks like:

$(\frac{8r^{6}t^{3} }{4t^{2} })^{2}$

Step-by-step explanation:

5 0

3 years ago

there are 341 pine trees and spruce trees in woodlot. 122 trees were pine. what fraction of the trees were spruce?

Olenka [21]

Answer:

219 over 1000

Step-by-step explanation:

3 0

2 years ago

What is the Value of:

RoseWind [281]

1/2^3 = 1/2 x 1/2 x 1/2 = 1/8

Answer is C

8 0

3 years ago