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3 years ago

9

There is 20 students in mr.millers algebra class. 14 of the students are females. if mr.miller selects a student at random, what

is the probability that he will select a male

1 answer:

Romashka [77]3 years ago

5 0

7/10 or 70%!!

Hope this helps (:

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Frank thinks he will need at about 12 1/2 kilograms of sand for sandbox he is building. The sand he wants is 3$ per kilogram. Ab

vesna_86 [32]

12 * 3 = 36, 1/2 * 3 = 1 1/2
36 + 1 1/2 = $37.50 for about 13 kilograms of sand.

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3 years ago

Suppose a normal distribution has a mean of 62 and a standard deviation of

lutik1710 [3]

Answer:

62.5%

Step-by-step explanation:

(56 - 62) / 4 = -1.5 z score = 0.0668

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0.6915 - 0.0668 = 0.6247

Rounded this becomes 62.5%

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2 years ago

Dana is 25 years old. She has $12,000 in a savings account, $800 in government bonds, $11,000 in a retirement account, and owns

Anastaziya [24]

Answer: APEX --- $12,800

Step-by-step explanation:

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3 years ago

If you know the answers pls put this <br> 1<br> 2<br> 3<br> 4<br> 5

Hitman42 [59]

Answer:

1.6 kids

2.6

3.6

4.6

5.6

Step-by-step explanation:

if you count by 6 then you will see that im right

4 0

2 years ago

A ball with mass m kg is thrown upward with initial velocity 28 m/s from the roof of a building 17 m high. Neglect air resistanc

Nutka1998 [239]

a. At its maximum height, the ball has zero vertical velocity, so

$-\left(28\dfrac{\rm m}{\rm s}\right)^2=2(-g)(y_{\rm max}-17\,\mathrm m)$

$\implies y_{\rm max}=57\,\mathrm m$

b. The ball's height in the air $y$ at time $t$ is given according to

$y=17\,\mathrm m+\left(28\dfrac{\rm m}{\rm s}\right)t-\dfrac g2t^2$

Solve for $t$ when $y=0$ :

$17+28t-4.9t^2=0\implies t\approx6.3\,\mathrm s$

3 0

3 years ago