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Rom4ik [11]
2 years ago
11

The coefficient of x in -7xy is -7​

Mathematics
1 answer:
Oksanka [162]2 years ago
5 0

Answer:

True: the leading coefficient in the monomial is -7

Step-by-step explanation:

Math

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An office building has two elevators. One elevator starts out on the 4th floor, 35 feet above the ground, as it’s defending at a
iren2701 [21]

The system of equations are y = 35 - 2.2x and y = 1.7x

<em><u>Solution:</u></em>

Given that, office building has two elevators.

<em><u>One elevator starts out on the 4th floor, 35 feet above the ground, as it’s descending at a rate of 2.2 feet per second</u></em>

Let "x" be the number of seconds for which the elevator is descending

Therefore, for "x" seconds the descended feet is 2.2x feet

The elevator is at 4 th floor, 35 feet above ground

Therefore, from 35 feet, the elevator has descended 2.2x feet for "x" seconds

Let "y" be the final position of elevator after "x" seconds

Therefore,

y = 35 - 2.2x

<em><u>The other elevator starts out at ground level and is rising at a rate of 1.7 feet per second</u></em>

Here, the elevator is rising at a rate of 1.7 feet per second

Therefore, for "x" seconds, the elevator has raised 1.7x feet

Here the elevator is at ground level, therefore

y = 1.7x

Thus the system of equations are y = 35 - 2.2x and y = 1.7x

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3 years ago
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The mayor of the city of San Diego wants to increase taxes to invest in a modern transit system. She hires a polling agency to s
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Answer:

Step-by-step explanation:

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The population in this context is the total number of registered voters in the whole city of San Diego.

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Step-by-step explanation:

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