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taurus [48]
4 years ago
15

Evaluate the expression for the given value of the variable. 51 + 1/9t t= -1/2

Mathematics
1 answer:
Ber [7]4 years ago
4 0

Step-by-step explanation:

51 + 1/9t t= -1/2

51+1/9(-1/2)

51-1/18

917/18

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Help now. a storage tank in the shape of a cuboid of base 2.5 m by 2 m can hold up to 7500 litres of water. Calculate the height
Minchanka [31]

Answer:

Height of the tank is 1.5m

Step-by-step explanation:

Given

Shape: Cuboid

Base Dimension = 2.5m by 2m

Volume = 7500 litres

Required

Determine the height of the tank

First, the area of the base has to be calculated;

Area = 2.5m * 2m

Area = 5.0m^2

Next is to calculate the height using volume formula;

Volume = Area * Height

Recall that Volume = 7500L [Convert to m³]

1 L = 0.001m^3

So;

7500L = 7500 * 0.001m^3

7500L = 7.5m^3

Hence;

Volume = 7.5m^3

Substitute 7.5m³ for Volume and 5.0m² for Area in the following formula

Volume = Area * Height

7.5m\³ = 5.0m\² * Height

Divide both sides by 5.0m²

\frac{7.5m\³}{5.0m\²} = \frac{5.0m\² * Height}{5.0m\²}

\frac{7.5m\³}{5.0m\²} = Height

1.5m = Height

Height = 1.5m

<em>Hence, the height of the tank is 1.5m</em>

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What is the surface area of the cube?
iren2701 [21]

Answer:

150 is the answer

Step-by-step explanation:

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