3 years ago

Compare and contrast multiplication and division with 0 and1

Mathematics

1 answer:

ankoles [38]3 years ago

6 0

Anything times 0 is 0
anything times 1 is the number the was multiplied

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The volume of a cylinder is 4 pi x3 cubic units and its height is x units.

Rzqust [24]

Answer:

$2x$

Step-by-step explanation:

The volume of a cylinder, $V$ is given by the formula,

$V=\pi r^{2}h$

Where, $r$ is the radius and $h$ is the height of the cylinder.

Here, $V=4\pi x^{3}$ , $h=x$ . Plug in these values and solve for radius, $r$ .

This gives,

$V=\pi r^{2}h\\4\pi x^{3}=\pi r^{2}x\\r^{2}=\frac{4\pi x^{3}}{\pi x}\\r^{2}=4x^{2}\\$

Taking square root both sides, we get

$\sqrt{r^{2}}=\sqrt{4x^{2}}\\r=2x$

Therefore, the radius of the cylinder can be expressed as $2x$ .

6 0

3 years ago

Need help asap please!!

Harrizon [31]

Answer:

$v=46\\$

Step-by-step explanation:

Simply:

$-v=-46$

8 0

3 years ago

Question 374756: Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels

Dvinal [7]

Let the number of hours = X

Multiply the speed of each train by the number of hours (x) and add them together to equal the total miles:

75x + 95x = 238

Simplify:

170x = 238

Divide both sides by 170:

x = 238/170

x = 1.4 hours.

Check:

75 x 1.4 = 105 miles

95 x 1.4 = 133 miles

105 + 133 = 238 miles

It will take 1.4 hours ( 1 hour and 24 minutes).

3 0

3 years ago

Which would help you file a claim for home insurance?

SCORPION-xisa [38]

Should be C a home inventory so they can see what was taken or destroyed
hope i helped!

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2 years ago

The height of a door would be about A: 8 inches B: 8 feet C: 8 yards D: 8Miles

liq [111]

8 inches :) (im pretty sure)

8 0

3 years ago

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