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vladimir1956 [14]

4 years ago

7

Kenny is allowed to watch up to five hours of TV a week. Write an inequality that shows the number of hours you Kenny can watch

TV.

1 answer:

Veronika [31]4 years ago

4 0

5 <span>≤ which means less than/equal to :)</span>

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When a cylindrical tank is filled with water at a rate of 22 cubic meters per hour, the level of water in the tank rises at a ra

Sergeu [11.5K]

Answer:

$r=\sqrt{10}\text{ m}$

Step-by-step explanation:

We have been given that when a cylindrical tank is filled with water at a rate of 22 cubic meters per hour, the level of water in the tank rises at a rate of 0.7 meters per hour. We are asked to find the approximate radius of tank in meters.

We will use volume of cylinder formula to solve our given problem as:

$V=\pi r^2h$ , where,

r = Radius,

h = Height of cylinder.

Since the level of water in the tank rises at a rate of 0.7 meters per hour, so height of cylinder would be $h = 0.7$ meters at $V=22\text{ m}^3$ .

Upon substituting these values in above formula, we will get:

$22\text{ m}^3=\frac{22}{7}\cdot r^2(0.7\text{ m})$

$22\text{ m}^3=\frac{22}{10}\cdot r^2\text{ m}$

$\frac{10}{22}\cdot\frac{22\text{ m}^3}{\text{m}}=r^2$

$r^2=\frac{10}{22}\cdot\frac{22\text{ m}^3}{\text{m}}$

$r^2=10\text{ m}^2$

Now, we will take positive square root of both sides as radius cannot be negative.

$\sqrt{r^2}=\sqrt{10\text{ m}^2}$

$r=\sqrt{10}\text{ m}$

Therefore, radius of tank would be approximately square root of 10 m.

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Graph the quadratic function f(x)= -2x^2 + 6x - 2

inn [45]

The answer is........

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What is the greatest common factor of 60x^4, 45x^5y^5 and 75x^3y

OLEGan [10]

Factor each
60x^4=2*2*3*5*x*x*x*x
45x^5y^5=3*3*5*x*x*x*x*x*y*y*y*y*y
75x^3y=3*5*5*x*x*x*y

common is 3*5*x*x*x=15x^3

gcf=15x^3

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3 years ago

842.72+412.38+1/8+1/2=

tatuchka [14]

the answer will be 1255.725

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5+7x to the power of 2+4x

agasfer [191]

Answer:

7x^2 + 4x + 5

Step-by-step explanation:

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2 years ago