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3 years ago

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A metro car in New Orleans travels 4 miles in 3 minutes. If the relationship between distance, in miles, and time, in minutes, o

f the metro car is proportional which equation represents the relationship between distance, d, and time, t- help on this

1 answer:

KATRIN_1 [288]3 years ago

8 0

Answer:

The awnser is C

Step-by-step explanation:

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Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the

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Answer:

So, the volume V is

$V=\frac{14\pi}{3}$

Step-by-step explanation:

We have that:

$y=7x\\\\y=0\\\\x=1\\\\x=-4\\$

We have the formula:

$V=2\pi\int_a^b x(g(x)-f(x))\, dx\\\\g(x)>f(x).$

We calculate the volume V, we get

$V=2\pi\int_a^b x(g(x)-f(x))\, dx\\\\V=2\pi\int_0^1 x(7x-0)\, dx\\\\V=2\pi\int_0^1 7x^2\, dx\\\\V=2\pi\cdot 7\left[\frac{x^3}{3}\right]_0^1\\\\V=14\pi\left(\frac{1}{3}-\frac{0}{3}\right)\\\\V=\frac{14\pi}{3}$

So, the volume V is

$V=\frac{14\pi}{3}$

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3 years ago

Solve:<br> 0.03g - (2g + 3) = 1.8

wel

Answer:

-2.43655

Step-by-step explanation:

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Simplify the numerical expression. 125.7 - (-1.82).

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125.7 - ( - 1.82 )
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