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Ilya [14]
3 years ago
6

a drawer contains 9 white paper clips, 5 green paper clips, and 6 red paper clips. One paper clip is selected at random. What is

the probability that the paper clip is white, given that it is NOT red?

Mathematics
2 answers:
tatyana61 [14]3 years ago
6 0

Answer:

the answer should be 9/14

Step-by-step explanation:

you add them all up then subtract the red for your denominator

then just put the number of white on top for your numerator


ivolga24 [154]3 years ago
6 0

Answer:

The correct answer is option C

Step-by-step explanation:

If the red clip is not to be selected , then the sample size shall reduce to

9 + 5\\= 14\\

Now only white clip is to be selected, thus its probability would be

\frac{9}{14} \\

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How many times larger than 2x10^2 is 2x10^8
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1000000 times larger

Step-by-step explanation:

2x10^2 is 200.

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2x10^8  is 1000000 times larger that 2x10^2

4 0
3 years ago
2 planes leave the airport at the same time. their speeds are 140 mph and 170 mph and the angle between their courses is 25 degr
Damm [24]

Answer:

183.27miles

Step-by-step explanation:

Note that we are considering two planes.

Plane 1

Speed = 140 mph

Time = 2.5 hours

Distance = ?

Speed = distance/time

140 mph = distance/2.5hrs

Distance = 140×2.5

= 350miles

Plane 2

Speed = 170 mph

Time = 2.5 hours

Distance = ?

Speed = distance/time

170 mph = distance/2.5hrs

Distance = 170×2.5

= 425miles

The angle between side is 25 degree

From cosine rule

c^2 = a^2 + b^2 − 2abcos(tetha)

Where a = 350

b = 425miles

c^2 = 350^2+425^2-2(350×425)(cos25)

c^2 = 122500+180625-297500(0.906)

c^2 = 303125-269535

c^2 = 33590

C = √33590

C = 183.27miles

The distance they flew apart after 2.5hrs is 183.27miles

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