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3 years ago

7

Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. if the side lengths are all the same,

what is the length of each side of the box?

1 answer:

dangina [55]3 years ago

5 0

Answer: 14.7 cubic inches

Cubed root of 216 is about 14.7

Step-by-step explanation:

Hope this helps.

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In the library on a university campus, there is a sign in the elevator that indicates a limit of 16 persons. Furthermore, there

Elis [28]

Answer:

a) 150 pounds

b) 6.75

c) 156.25

d) 0.177

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 150 pounds

Standard Deviation, σ = 27 pounds

We are given that the distribution of weight of persons on campus is a bell shaped distribution that is a normal distribution.

a) expected value of the sample mean of their weights

$\bar{x} = \mu = 150\text{ pounds}$

b) standard deviation of the sampling distribution

$\dfrac{\sigma}{\sqrt{n}} = \dfrac{27}{\sqrt{16}} = 6.75$

c) average weight for these 16 people will result in the total weight exceeding the weight limit of 2500 points

$\dfrac{\text{Limit}}{\text{Number of people}} = \dfrac{2500}{16} = 156.25$

d) P(sample of 16 persons on the elevator will exceed the weight limit)

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(x > 156.25)

$P( x > 156.25) = P( z > \displaystyle\frac{156.25 - 150}{6.75}) = P(z > 0.9259)$

$= 1 - P(z \leq 0.9259)$

Calculation the value from standard normal z table, we have,

$P(x > 610) = 1 - 0.823 = 0.177 = 17.7\%$

0.177 is the probability that a random sample of 16 persons on the elevator will exceed the weight limit.

3 0

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An airplane is flying at 455 miles per hour. What is its speed in kilometers per minute?

MArishka [77]

Answer:

Step-by-step explanation:

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PLEASE ANSWER ASAP!!!!

xxTIMURxx [149]

Y= mx +b
4= 0(-2) +b
4= b
y= 0x +4
Have a great day!
Let me know if you have any questions

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How do u do this stuff?

olga2289 [7]

On problems ii, and iii, you just count up the amount of sides on the polygon and add x behind it to create a type of an equation to find the perimeter of that shape that will work as longs as the sides are congruent to each other.
For problems a,b, and c, you just have to calculate what x is. On a, you find what the other side is if one side is 2 and the area is 24. On b you find what the other side could equal if one side is 4 and the area is 16. On c you know what the perimeter is (72) . The longer sides are 2x and the shorter sides are x. SO you divide by the #s and check your work!

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3 years ago

Write 1,390,000,000 in scientific notation?

Reptile [31]

Answer:

1.39*10^9

Step-by-step explanation:

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