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3 years ago

5) A cube has height of 3 cm. What is the volume of the cube?

Mathematics

2 answers:

ElenaW [278]3 years ago

6 0

Answer:

V =27cm^3

Step-by-step explanation:

The volume of a cube is given by

V = s^3 where s is the side length

V = 3^3

V =27cm^3

OleMash [197]3 years ago

5 0

Answer:

27 cm³

Step-by-step explanation:

The equation for volume of a cube is V = a³ (a being the edge or height/width)

Plug in 3 for a:

V = (3)³

V = 27 cm³

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A plant manager knows that the number of boxes of supplies received weekly is normally distributed with a mean of 200 and a stan

Archy [21]

Answer:

46.72%.

Step-by-step explanation:

We have been given that the number of boxes of supplies received weekly is normally distributed with a mean of 200 and a standard deviation of 20. We are asked to find the number of boxes of supplies that arrive will be greater than 210 or less than 180.

We will use z-score formula and normal distribution table to solve our problem.

$z=\frac{x-\mu}{\sigma}$

$z=\frac{180-200}{20}$

$z=\frac{-20}{20}$

$z=-1$

Let us find z-score corresponding to normal score 210.

$z=\frac{210-200}{20}$

$z=\frac{10}{20}$

$z=0.5$

$P(z0.5)=P(z$

Using normal distribution table, we will get:

$P(z0.5)=0.15866+1-0.69146$

$P(z0.5)=0.4672$

$0.4672\times 100\%=46.72\%$

Therefore, 46.72% of the time the number of boxes of supplies that arrive will be greater than 210 or less than 180.

8 0

3 years ago

Is 7/9 bigger than 0.85

leva [86]

7/9 = 0.77

so ur answer is no....7/9 is not bigger then 0.85

5 0

3 years ago

What is the width of a rug that is 36 1/4 square feet and 8 3/4 wide

blondinia [14]

Answer: $4\frac{1}{7} ft$

<u>Step-by-step explanation:</u>

Area (A): $36\frac{1}{4} = \frac{4(36)+1}{4} = \frac{144+1}{4} = \frac{145}{4}$

Length (L): $8\frac{3}{4} = \frac{4(8)+3}{4} = \frac{32+3}{4} = \frac{35}{4}$

width (w): W

A = L x W

$\frac{145}{4}$ = $\frac{35}{4}$ x W

$(\frac{4}{35})$ $\frac{145}{4}$ = $(\frac{4}{35})$ $\frac{35}{4}$ x W

$\frac{4(145)}{35(4)} = \frac{145}{35} = \frac{5(29)}{5(7)} = \frac{29}{7} = W$

$\frac{29}{7} = \frac{7(4) + 1}{7} = 4\frac{1}{7}$

8 0

3 years ago

The answer is currently have is wrong so how do I do this exactly

Nata [24]

Answer:

2/√10 - 8√2

Step-by-step explanation:

Multiply the numerator and denominator by a root to remove the radical from the numerator.

7 0

3 years ago

-x+6is the same as -(x-6) how do I know? Pls help

Verdich [7]

The x becomes negative because the negative sign at the start of the parenthesis distributes to everything inside parenthesis so x becomes -x and the double negative becomes +6 so that is why

4 0

3 years ago