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3 years ago

Find the height of a cylinder with a volume of 12157 mm3 and a radius of 9 mm.

Mathematics

1 answer:

Ivahew [28]3 years ago

5 0

Volume of a Cylinder = pi * r^2 * h

V / (pi*r^2) = h

12157 / (pi * 9^2) = h = 47.774

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The scores on a test given to all juniors in a school district are normally distributed with a mean of 79 and a standard deviati

ludmilkaskok [199]

Answer:

p (x -<-89) = p( _x_-_75_ < _ 89_- __75__) = p (z <_ 2) = 0.9773= 97.73%

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hope i helped u today and hope the best on it good luck :)

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3 years ago

Represent the following in rule method C = {0,1,2,3, ......,19}

monitta

Answer:

$C={x\:l\:x \: are \: whole \: numbers \: less \: than \: 20}$

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2 years ago

Read 2 more answers

Eric's class consists of 12 males and 16 females. If 3 students are selected at random, find the probability that they

Reptile [31]

Answer:

The probability that all are male of choosing '3' students

P(E) = 0.067 = 6.71%

Step-by-step explanation:

Let 'M' be the event of selecting males n(M) = 12

Number of ways of choosing 3 students From all males and females

$n(M) = 28C_{3} = \frac{28!}{(28-3)!3!} =\frac{28 X 27 X 26}{3 X 2 X 1 } = 3,276$

Number of ways of choosing 3 students From all males

$n(M) = 12C_{3} = \frac{12!}{(12-3)!3!} =\frac{12 X 11 X 10}{3 X 2 X 1 } =220$

The probability that all are male of choosing '3' students

$P(E) = \frac{n(M)}{n(S)} = \frac{12 C_{3} }{28 C_{3} }$

$P(E) = \frac{12 C_{3} }{28 C_{3} } = \frac{220}{3276}$

P(E) = 0.067 = 6.71%

<u><em>Final answer</em></u>:-

The probability that all are male of choosing '3' students

P(E) = 0.067 = 6.71%

3 0

3 years ago

Frank has recentlybstarted living a healthier lifestyle . He originally weighed 230 and a half pounds . Now he weighs 198 and th

Ksivusya [100]

Answer:

31 9/10

Step-by-step explanation:

if u want to find out how many pounds u lose u subtract 230 1/2 by 198 3/5

230 5/10 minus 198 6/10

31 9/10

hope this ehlps

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2 years ago

Read 2 more answers

The table shows the distance Allison drove one day of her vacation. Is the relationship between the distance and the time propor

miv72 [106K]

Answer:

hope that it helps you any

Step-by-step explanation:

first hour she drove 60mi

second hour she drove 50mi

third hour she drove 70mi

fourth hour she drove 20mi

fifth hour she drove 75mi

all together she drove 275miles

take 275 divide it by 5 you get an average of 55mph

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2 years ago