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elena-14-01-66 [18.8K]

2 years ago

14

Find the volume of the solid that is created when you rotate the figure around the line: round to the nearest hundredth (two dec

imal places)

1 answer:

Novay_Z [31]2 years ago

4 0

Answer:5

Step-by-step explanation:

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3 square roots 7 multiplied by square root of 7 / 6 square roots of 7 raised to the 5

kodGreya [7K]

Approximately 97.6149

3 0

3 years ago

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Sandys friends ate 0, 2, 3, 4, 6, 6, and 7 pretzels. Sandy says the mean of the data is 4. Is Sandy correct?

diamong [38]

If sandys friends ate 0, 2, 3, 4, 6, 6, and 7 pretzels, the mean of the data would be 4. So yes sandy is correct.

7 0

3 years ago

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What is 1 3/4 + 4 7/12 as a mixed fraction??

N76 [4]

Convert to base 12:

1 9/12+4 7/12

Then, add!:

5 16/12=6 4/12 =6 1/3

The answer is 6 1/3.

7 0

3 years ago

What number is between 27 and 45

Aloiza [94]

It could be 28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43, or 44.

5 0

3 years ago

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A square with side x is changing with time where x(t)=3t+1. What is rate of change of the area of the square when t=2 seconds.

GuDViN [60]

Answer:

Rate of change of the area of the square is 42 units at t = 2.

Step-by-step explanation:

We note that the area of the square is given by: $A(x) = x^2$ but we aim to find $\frac{dA}{dt}$ . But we can use the chain rule to pull out that dA/dt. Doing so gives us:

$\frac{dA}{dt} = \frac{dA}{dx} \times \frac{dx}{dt}.$

Now, $\frac{dA}{dx} = 2x$ (by the power rule and $\frac{dx}{dt} = 3.$

But since we have "x" and not "t", we want to find what x is when t = 2. Substituting t = 2 gives us x(2) = 3(2) + 1 = 7.

So, finally, we see that:

$\frac{dA}{dt} = 2(7) \times 3 = 14 \times 3 = 42.$

7 0

3 years ago