3 years ago

HELP I NEED HELP ASAP

Mathematics

1 answer:

zysi [14]3 years ago

4 0

Answer:

Step-by-step explanation:

As it is mentioned in the question that the mice grows at a rate of 7%, it would be answer B. Hope this helps, thank you !!

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help me find the volume and area of this figure step by step pleasefyi the answer key my teacher gave me says that the surface a

alisha [4.7K]

The volume of the shape

We have a cylinder that is cut into two. Its external radius is 5ft, while its internal radius is 4ft.

External radius = internal radius + thickness

$\begin{gathered} \text{External radius = 4ft + 1ft } \\ =\text{ 5ft} \end{gathered}$

Internal radius = 4ft (given)

Recall that the volume(V) of a full cylinder is:

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

Since the cylinder is cut into two, the volume(V) is:

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

height (h) = 12ft (given)

The volume of the shape:

$\begin{gathered} =\text{ Volume of cylinder with a radius of 5ft - Volume of cylinder with a radius of 4ft} \\ =\text{ }\frac{\pi\text{ }\times5^2\text{ }\times\text{ 12}}{2}\text{ - }\frac{\pi\text{ }\times4^2\text{ }\times\text{ 12}}{2} \\ =\text{ 471.239 - }301.593 \\ =169.65ft^3 \end{gathered}$

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1 year ago

Which solution method would be most efficient to solve the equation (x+3)^2-4=0?

Angelina_Jolie [31]

A-Taking The Square Root

B-Factoring

C-Quadratic Formula

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2 years ago

Last semester you took 3 final exams and you want to figure out which exam score really is your best score. Here are the scores

Mademuasel [1]

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Step-by-step explanation:

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3 years ago

(х + 40)°<br> (2x + 20°<br> 3х<br> 6x"

kogti [31]

Answer:

Step-by-step explanation:

(х+40)°(2x+20°

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2 years ago

Emelia earns $8.74 per hour plus a gas allowance of $3.50 per day at her job. How much does Emelia’s job pay in a day when she w

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$20.98

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2 hours means two of 8.74 which equals 17.48 plus that $3.5 in a day. So she gets $20.98 when she works for 2 hours.

Hope this helps please give brainliest.

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3 years ago