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hram777 [196]
2 years ago
6

Rachel earned 164 babysitting last month she earned 95 this month Rachel rounded each amount

Mathematics
2 answers:
Marina86 [1]2 years ago
7 0

Answer:

100+170= 270 round 164 and 95 to the nearest 10th

Step-by-step explanation:

You are welcome may I please get brainliest?:)

Lesechka [4]2 years ago
5 0

Answer:

$260

Step-by-step explanation:

164 to the nearest tenth is 160 then 95 to the nearest tenth is 100 so then you have to add 100 and 160 together to get $260.

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A right circular cone is undergoing a transformation in such a way that the radius of the cone is increasing at a rate of 1/2 in
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Answer:

The volume is decreasing at the rate of 1.396 cubic inches per minute

Step-by-step explanation:

Given

Shape: Cone

\frac{dr}{dt} =\frac{1}{2} --- rate of the radius

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r = 2

h = \frac{1}{3}

Required

Determine the rate of change of the cone volume

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

Differentiate with respect to time (t)

\frac{dV}{dt} = \frac{\pi}{3}(2rh \frac{dr}{dt} + r^2 \frac{dh}{dt})

Substitute values for the known variables

\frac{dV}{dt} = \frac{\pi}{3}(2*2*\frac{1}{3}* \frac{1}{2} - 2^2 *\frac{1}{3})

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\frac{dV}{dt} = \frac{\pi}{3}(\frac{4}{3}(\frac{1}{2} - 1))

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\frac{dV}{dt} = -\frac{\pi}{3}*\frac{4}{3}

\frac{dV}{dt} = -\frac{22}{7*3}*\frac{4}{3}

\frac{dV}{dt} = -\frac{22}{21}*\frac{4}{3}

\frac{dV}{dt} = -\frac{88}{63}

\frac{dV}{dt} =-1.396in^3/min

The volume is decreasing at the rate of 1.396 cubic inches per minute

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3 years ago
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Step-by-step explanation:

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3 years ago
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6 0
3 years ago
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Ainat [17]

Answer:

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3 years ago
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bogdanovich [222]

Answer: This coil will not be enough to complete the job.

Step-by-step explanation:

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The coil has 32.97 yards of wire and Alex needs 34 yards, therefore, this coil will not be enough  to complete the job.

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3 years ago
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