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josh packed one layer of a rectangular prism with 15 unit cubes. The prism holds 4 layers of unit cubes. What is the volume of the rectangular prism?

Answers

Answer 1
Answer:

The required volume of the rectangular prism is 60 cubic units,

Given that,
josh packed one layer of a rectangular prism with 15 unit cubes. The prism holds 4 layers of unit cubes.
To determine the volume of the rectangular prism.

What is volume?

Volume is defined as the ratio of the mass of an object to its density.

Here,
Dimension of the rectangular prism,
Each layer consists of 15 unit cubes,
Length of the rectangular prism  = 15 units,
and consist of 4 layers,
Width = 4 * 1 = 4 units
height = 1

The volume of the rectangular prism = length * width * height
                                                       = 15 * 4 * 1
                                                        = 60 cubic units

Thus, the required volume of the rectangular prism is 60 cubic units,


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Answer 2
Answer:

Answer:60

Step-by-step explanation:

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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 8.8 years, and standard deviation of 2.2 years.If 5 items are picked at random, 5% of the time their mean life will be less than how many years?

Answers

First of all we need o use the standard normal table to see what value if z will have 10% of the area (probability) to the left of it. We see that z value is approximately z = -1.282

Now all we have to do is calculate the value of x that corresponds to this value of z. We have

( x - µ ) / σ = -1.282 Substituting in the known values, we have

( x - 4.4 ) / 1.3 = -1.282 and x = 2.73 years

Write a statistical question that might have been asked to gather the data. Then explain why it is statistical.

Answers

The statistical question could be How much time do people spend in the water park.

What is Statistics?

Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.

Hours Spent at Water Park

    Hours     Tally

      4              4

      5              5

      6              3

      7              4

These data could be the results of a survey whose target was to determine how many hours people spent at a water park.

The size of the sample should be the number of tally, which is 4 + 5 + 3 + 4 = 16.

And the question most likely was made at the exit of a water park, when the people were leaving the park.

Thus, the statistical question could be How much time do people spend in the water park?

It is a statistical because the survey is made to a sample of the people who went to the water park instead to all the people.

Hence, the statistical question could be How much time do people spend in the water park?

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Answer:

sample responce: How many hours did you spend at the water park today?” It is statistical because the responses will vary among individuals and the responses will be numeric

Step-by-step explanation:

Solve the equation:

a+20=11

Answers

Answer:

a=

Step-by-step explanation:

a +20=11

-20-20

a= -9
subtract 20 on each side, you get a=-9

lisa an experienced shipping clerk can fill a certain order in 7 hours to a new clerk needs 8 hours to do the same job working together how long will it take to fill the order

Answers

In one hour Lisa can do 1/7 of the job, and in one hour the new clerk can do 1/8 of the job. Working together for one hour they can do (1/7) + (1/8) of the job.
(1)/(7)+(1)/(8)=(15)/(56)
Therefore when working together they will take 56/15 = 3.733 hours.

The answer is 3.733 hours or 3 hours and 44 minutes.

5*Please answer this correctly very urgent!

Answers

Answer:

1  3/15 - 5/15

Step-by-step explanation:

Hope this helps. PS the / sign is supposed to be for the fraction.

Step-by-step explanation:

1 1/5 - 1/3 = 0.86

Hope I helped. The only way I know how to dot this is in decimal form sorry.

Solve the equation. -3x + 1 + 10x = x + 4

Answers

Answer:

x=[tex](1)/(2)[/tex]

Step-by-step explanation:

Solving the equation mean finding the value of x

Equation given is:

-3x+1+10x=x+4

Now what we need to do is take the values with x in it to the left side of the equation and the other numbers to the right side of the equation.

-3x+10x-x=4-1

Now simplify values with x and the numbers.

6x=3

x=[tex](1)/(2)[/tex]

Therefore x=[tex](1)/(2)[/tex]

x = (1)/(2)

simplify the left side by collecting like terms

7x + 1 = x + 4 ( subtract x from both sides )

6x + 1 = 4 ( subtract 1 from both sides )

6x = 3 ( divide both sides by 6 )

x = (3)/(6) = (1)/(2)
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