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3 years ago

8

PLEASE HELP WILL MARK BRANLIEST. There are twelve shirts in your closet, four blue and eight green. You randomly select one to w

ear on monday and then a different one on tuesday. you wear a blue shirt on monday and a green shirt on tuesday.

1 answer:

lbvjy [14]3 years ago

7 0

Answer:

$\frac{4}{8} = \frac{2}{4}$

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If cos theta = -2/5 and tan theta > 0, what is the value of sin theta?

allochka39001 [22]

Because tan theta > 0 and cos theta is negative this angle is in the third quadrant.

angle whose cos is 2/5 is 66.42 degrees

The required angle is 180 + 66.42 = 246.42 degrees answer.

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3 years ago

Simplify <br> 6) -7.7(5.1 - 4.9m) + 3.5

ElenaW [278]

$\sf{answer: }\\ \bold{ - 35.77 + 37.73 m} \\ \sf {step - by - step \: explaination:} \\ -7.7(5.1 - 4.9m) + 3.5 \\ - 7.7 \times 5.1 - 7.7( - 4.9m) + 3.5 \\ - 7.7 \times 5.1 + 7.7 \times 4.9m + 3.5 \\ - 7.7 \times 5.1 + 37.73m + 3.5 \\ - 39.27 + 37.73m + 3.5 \\ \bold{ - 35.77 + 37.73 m}$

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3 years ago

Two rectangles are similar. One has a length of 14 cm and a width of 9 cm, and the other has a width of 3 cm. Find the length of

gizmo_the_mogwai [7]

9/3 is 3
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4 years ago

Divide multi-digit number

Lesechka [4]

Divide 20/10 and get 2

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3 years ago

How many different trios could be selected from a chorus of 20 singers? 20! C(20, 3) P(20, 3)

timama [110]

<u>Answer:</u>

C (20, 3) = 1140

<u>Step-by-step explanation:</u>

We are given that there is chorus of 20 singers and we are to find the number of different trios that can be selected from 20 singers.

This is a problem of combinations where the order of trios is not important.

$C ( 2 0 , 3 ) = \frac { ( 2 0 ! ) } { ( ( 2 0 - 3 ) ! 3 ! ) }$

$C ( 2 0 , 3 ) = \frac { 2 0 ! } { ( 1 7 ! ) ( 3 ! ) }$

$C ( 2 0 , 3 ) = \frac{( 2 0 \times 1 9 \times 1 8 )}{( 3 \times 2 \times 1 )}$

C (20, 3) = 1140

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3 years ago