3 years ago

Area of a circle ! please help 15 points !

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

7 0

I believe that the answer C

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At a particular garage, 60% of the customers require an oil change, 20% require tire rotation, and 75% of customers require at l

ZanzabumX [31]

Answer:

a. 5%

b. 55%

c. 70%

Step-by-step explanation:

a. The probability of customer wanting both services (P(O&T)) is:

$P(O)+P(T)+P(O\&T) = 0.75\\P(O)+P(O\&T) =0.60\\P(T)+P(O\&T) = 0.20\\P(O)+P(T)+P(O\&T) -[P(O)+P(T)+2P(O\&T)]=0.75 -(0.60-0.20)\\P(O\&T)=0.05=5\%$

The probability is 5%

b. The probability that the customer will need an oil change, but not a tire rotation (P(O)) is :

$P(O)+P(O\&T) = 0.60\\P(O\&T) = 0.05\\P(O) =0.60-0.05 = 0.55 = 55\%$

The probability is 55%

c. The probability that the customer will want exactly one of these two services (P(O)+P(T)) is:

$P(O)+P(T)+P(O\&T) = 0.75\\P(O\&T) = 0.05\\P(O)+P(T) =0.75-0.05 = 0.70 = 70\%$

The probability is 70%

4 0

3 years ago

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The total length of a road trip was 16.2 hours. If highway signs are posted every 0.6 hours, including one at the end of the roa

serg [7]

Answer:

5 highway signs

Step-by-step explanation:

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3 years ago

What is 23/1 divided by 9/2

hoa [83]

$\frac{\frac{23}{1}}{\frac{9}{2}}=\ \ \ \ | multiply\ first\ fration\ by\ inverse\ of\ the\ second\\\\
\frac{23}{1}*\frac{2}{9}=\frac{46}{9}=5\frac{1}{9}\\\\
Solution\ is\ 5\frac{1}{9}.$

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4 years ago

What is the volume of this unit cube?

xxTIMURxx [149]

Answer:

1 cubic centimeter

Step-by-step explanation:

V=l³ And l=1

so V=1³ so

V=1

since we cubed something it is in cubic centimeters so

1 cubic centimeter

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3 years ago

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4 campers per one canoe

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