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3 years ago

Will pick Brainliest ONLY if correct answer!

Mathematics

2 answers:

yawa3891 [41]3 years ago

6 0

Answer:

x^4

Step-by-step explanation:

elena-14-01-66 [18.8K]3 years ago

4 0

Answer:

$x {}^{4}$

Step-by-step explanation:

here's your solution :-

=》

$\frac{(x {}^{3}) {}^{4} }{x {}^{8} }$

=》

$\frac{x {}^{12} }{x {}^{8} }$

=》

$x {}^{4}$

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The volume of a sphere is 4/3pi cm^3<br> what is the diameter of the sphere?

aleksandrvk [35]

The Diameter of sphere is 2cm.

Step-by-step explanation:

Given,

Volume of sphere = $\frac{4}{3}\pi \ cm^3$

Let,

diameter = d

As we know,

Volume of sphere = $\frac{4}{3}\pi \ r^3$

Therefore,

$\frac{4}{3}\pi\ r^3 = \frac{4}{3}\pi \\Multiplying\ both\ sides\ by\ \frac{3}{4\pi }\\\frac{3}{4\pi }*\frac{4}{3}\pi \ r^3 = \frac{4}{3}\pi * \frac{3}{4\pi }\\r^3=1\\(r)^3=(1)^3\\r=1$

We know that,

Diameter = 2r

Diameter = 2*1

Diameter = 2 cm

The Diameter of sphere is 2cm.

Keywords: Volume, Diameter

Learn more about diameters at:

#LearnwithBrainly

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3 years ago

The acceleration function a(t) (in m/s2) and the initial velocity v(0) are given for a particle moving along a line.

klemol [59]

Answer:

A: $v(t)=-t^2+4t-5$

Step-by-step explanation:

Acceleration is second derivative of position, velocity is first derivative. Therefore, the velocity is the integral of acceleration.

$v(t)=\int\ {2t+4} \, dt$

Integrate:

$-t^2+4t+C$

V(0)=-5:

$-0^2+4(0)+C=-5\\C=-5$

Therefore, v(t):

$v(t)=-t^2+4t-5$

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4 years ago

A city's water tank is shaped like a cylinder with a closed top and bottom. The radius of the tank is 50 feet. The height of the

slavikrds [6]

approximately 53407.08 is the surface area

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3 years ago

Please answer, working out pls

elena-s [515]

The picture is cropped, i can't see the question written. Maybe you should send another picture .

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4 years ago

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12 less than seven times a number 16

jok3333 [9.3K]

Answer:

7x-12=16

hope this helps :)

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4 years ago