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Vera_Pavlovna [14]
3 years ago
12

An elevator is traveling underground at a constant rate. The equation y= -2x - 10 can be used to represent this situation, where

y is the position of the elevator underground in feet and x is the number of seconds the elevator has been traveling Which statement best describes the position of the elevator, given this equation?
O From a starting position of 2 feet underground, the elevator is descending 10 feet per second

O From a starting position of 10 feet underground, the elevator is descending 2 feet per second

O From a starting position of 2 feet underground, the elevator is ascending 10 feet per second

O From a starting position of 10 feet underground, the elevator is ascending 2 feet per second​
Mathematics
1 answer:
professor190 [17]3 years ago
8 0

4 is correct

reason is because the number next to x is the constant number and the end number is where you started

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RideAnS [48]

Answer:

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3 0
3 years ago
4 people can paint a house in 6 hours. a) How long would it take 1 person to paint the house?​
OlgaM077 [116]

Answer:

9 hours

Step-by-step explanation:

If there's 4 people, they each need 1.5h So you multiply 1.5 by 6 and that's how you find how long it takes for 1 person.

8 0
3 years ago
A school has a parking lot that is 150.23 feet by 135.12 feet. What is the perimeter of the parking lot?
elena-14-01-66 [18.8K]

Answer: 570.70 ft

Step-by-step explanation:

The perimeter is the distance around the entire parking lot.

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The other two sides have the same measurement as this is a rectangle.

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= (150.23 * 2) + (135.12 * 2)

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4 0
3 years ago
Please help me simplify these expressions
Fantom [35]

Answer:

1.  -18x¹¹

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Step-by-step explanation:

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When multiplying with exponents, you have to add up the exponents.  Don't forget the numerical coefficients.

-3x² · 3x · 2x³ · x⁵ = -18x¹¹

2.  There are two negative signs in this probem, meaning that they will cancel out.  Multiply the rest like we did in the first problem.

3n² · -n² · -n³ = 3n⁷

7 0
3 years ago
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prisoha [69]

Answer:

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180yd x 2 = 360yd

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1080 + 400 = 1480ft

5 0
3 years ago
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