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saveliy_v [14]
3 years ago
14

Initial Knowledge Check

Mathematics
1 answer:
kenny6666 [7]3 years ago
4 0

Answer:

The volume of tank to the nearest cube is 503 ft³

Step-by-step explanation:

Given that,

Diameter of tank = 8 ft

radius = 4 ft

Height = 10 ft

We need to calculate the volume of tank

Using formula of volume

V= \pi r^2h

Where, r = radius

h = height

Put the value into the formula

V=\pi\times4^2\times10

V=502.6\ ft^{3}

V=503\ ft^{3}

Hence, The volume of tank to the nearest cube is 503 ft³

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2 years ago
What is the area of this figure
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5 0
3 years ago
Read 2 more answers
Bobby wants to go on a school trip that will cost him $250. He comes up with an equation that represents how much he needs to sa
monitta
Yes, Bobby will have enough money if he saves for 9 weeks. You can find this through either substituting w for 9 in the equation, or solving the equation itself. 

Substituting:

25(9)+30
Substitute w for 9. 

225+30
Simplify. 

225+30=255
Solve. 

255 is greater than 250, so yes, he will have enough money saved. 


Solving the equation:

25w+30=250
Original Equation

25w=220
Subtract 30 from both sides. 

w=8.8
Divide both sides by 25. 

The number of weeks he needs is 8.8. When rounding it up, you get 9. 


4 0
3 years ago
Expand and simplify (2c+1)(2c+3)
Mandarinka [93]
The answer would be 4c^2+8c+3

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2 years ago
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