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wel
3 years ago
12

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
6 0

reeeeeeeeeeeeeeeeeeeeeeee

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Answer:

56 in2

Step-by-step explanation:

14x8x1/2 (1/2 because a trapezoid formula divides by 2)

112x1/2

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Step-by-step explanation:

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A farmer has a water tank for cows in the shape of a cylinder with a radius of 7 ft and a height of 3 ft. The tank comes equippe
natima [27]

Answer:

volume of the tank be when the sensor turns on = 92.316 ft³

Step-by-step explanation:

Volume of a cylinder = πr²h

Pi = π = 3.14

Radius = r = 7 ft

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Volume of a cylinder = πr²h

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The tank comes equipped with a sensor to alert the farmer to fill it up when the water falls to 20% capacity.

volume of the tank be when the sensor turns on = 20% of Volume of a cylinder

= 0.20 * 461.58 ft³

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volume of the tank be when the sensor turns on = 92.316 ft³

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3 years ago
What is 3 5/6 - 7 1/2
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