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dybincka [34]
3 years ago
10

How do you check? -5r+-3=51

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
5 0

-5r + (-3) = 51

Add 3 to both sides:

-5r = 54

Divide both sides by -5 to get r alone:

r = -10.8

To check this, plug in -10.8 into the equation: -5(-10.8) + (-3) = 51

54 + (-3) = 51

54 - 3 = 51

51 = 51

This statement is true, so the answer is correct.

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The floor of a NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?
fiasKO [112]

The cubic feet of space that is in the subway car is the volume of the subway car which is 5,502.

<h3>How many cubic feet of space are there in a subway car?</h3>

The shape of a subway car is in the form of a rectangular prism. In order to determine the cubic feet of space, the volume of the car has to be determined. The formula for the volume of a rectangular prism would be used.

Volume = width x height x length

12 x 51 x 8.5 = 5205

Here is the complete question:

The floor of an NYC subway car measures approximately 51 feet by 8.5 feet. The height of the NYC subway car measures approximately 12 feet. How many cubic feet of space are there in a subway car?

To learn more about the volume of a cuboid, please check: brainly.com/question/26406747

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3 years ago
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With maybe 100 grams...
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Step-by-step explanation:

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4 years ago
A rectangular vegetable patch is 93 feet long and 37 feet wide. What is its area?
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