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Marina86 [1]
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.
Mathematics
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.

3 0
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}

6 0
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
so then its proportionate to 14/3 which would be 4.7
Answer is 4.7
7 0
4 years ago
Divide multi-digit number
Lesechka [4]
Divide 20/10 and get 2
7 0
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

3 0
3 years ago
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