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Rashid [163]
3 years ago
13

 please  help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!                 

Mathematics
1 answer:
Goshia [24]3 years ago
8 0
1. c
2.a
3. 13,410
4. 2442
5. c
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In a class of 30 students there are 17 girls. two students are picked randomly to represent the class in the SRC. determine the
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Answer:

See below in bold,.

Step-by-step explanation:

There are 30-17 = 13 boys in the class.

a.  Prob(First is a boy ) = 13/30 and Prob( second is a boy = 12/29).

As these 2 events are independent:

Prob( 2 boys being picked) = 13/30 * 12/29 =  26/145 or 0.179 to the nearest thousandth.

b. By a similar method to a:

Prob ( 2 girls being picked) =  17/30 * 16/29 = 136/435 = 0.313 to the nearest thousandth.

c.  Prob (First student is a boy and second is a girl) =  13/30 * 17/29 = 221/870.

Prob ( first student is a girl and second is a boy)  = 17/30 * 13/29 = 221/870

These 2 events are not independent so they are added:

Prob( one of the students is a boy)  = 2 (221/870 =  221/435 = 0.508 to the nearest thousandth.

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20%5Cgeq%20-%5Cfrac%7B1%7D%7B6%7D%20-%5Cfrac%7B2%7D%7B9%7D%20x" id="TexF
vodomira [7]
Isolate the variable by dividing each side by factors that don't contain the variable.
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Interval Notation:
[
−
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4 0
3 years ago
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Remaining area of poster = Area of Big rectangle - Area of small rectangle 
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3 years ago
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I would say c, bc they can on be right.
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3 years ago
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Please help thank youu
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Y results from something being multiplied by x , and the values are always proportional to one another. Notice that putting these points into a ratio of x-value to y-value results in 1:3 as a simplified version. So, the constant of proportionality is what x is being multiplied by to get y . In this case, it is 3 . PLEASE MARK A THE BRAIN THINGY
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