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3 years ago

I will mark as the brillianest plzzzzzzzzzzzzzzzzzzzz be helpful to me ......

Mathematics

1 answer:

kupik [55]3 years ago

4 0

Answer: SP is Rs 690

Step-by-step explanation:

CP= Rs 750

loss percent = 8%

loss = 8% of CP

= 8/100 * 750

= Rs 60

Loss = Rs 60

SP = Rs 750-60

= Rs 690

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an amusement park reported 354,605 visitors last summer what is this number rounded to the nearest thousand

NARA [144]

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2 years ago

A vertical cylinder is leaking water at a rate of 4m3/sec. If the cylinder has a height of 10m and a radius of 2m, at what rate

Katyanochek1 [597]

Answer:

Therefore the rate change of height is $\frac{1}{\pi}$ m/s.

Step-by-step explanation:

Given that a vertical cylinder is leaking water at rate of 4 m³/s.

It means the rate change of volume is 4 m³/s.

$\frac{dV}{dt}=4 \ m^3/s$

The radius of the cylinder remains constant with respect to time, but the height of the water label changes with respect to time.

The height of the cylinder be h(say).

The volume of a cylinder is $V=\pi r^2 h$

$=( \pi \times 2^2\times h)\ m^3$

$\therefore V= 4\pi h$

Differentiating with respect to t.

$\frac{dV}{dt}=4\pi \frac{dh}{dt}$

Putting the value $\frac{dV}{dt}$

$\Rightarrow 4\pi \frac{dh}{dt}=4$

$\Rightarrow \frac{dh}{dt}=\frac{4}{4\pi}$

$\Rightarrow \frac{dh}{dt}=\frac{1}{\pi}$

The rate change of height does not depend on the height.

Therefore the rate change of height is $\frac{1}{\pi}$ m/s.

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3 years ago

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lidiya [134]

Answer:

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