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Grace [21]
2 years ago
5

ITS DUEEEEEEEE SOON HELLLLLLLLPPPPPPPPPPP MEEEE

Mathematics
1 answer:
Anna [14]2 years ago
7 0

Answer:

It's -2, not -12 and the other is -21

Step-by-step explanation:

7*-3=-21

21/-12=-2

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Harold wrote this equation to model the level of water in a pool over time. The variable x represents time in hours. f(x) = 3,50
lina2011 [118]

Answer:

The water level is falling.

The initial level of water in the pool was 3,500 units

The water was 2,600 units high after 4 hours.

Step-by-step explanation:

The given function that models the water level is

f(x)=3,500-225x

where x represents time in hours.

The function represents a straight line that has slope m=-225

Since the slope is negative, it means the water level is falling.

The initial level of water in the pool can found when we put x=0 into the function.

f(0)=3,500-225(0)


f(0)=3,500, hence the initial level is 3,500.


To determine the level of water in the pool after 14 hours, we put x=14 into the equation to get;

f(14)=3,500-225(14)

f(14)=3,500-3150


f(14)=350


To determine the water level after 4 hours we put x=4

f(4)=3,500-225(4)

f(4)=3,500-900

f(14)=2,600


4 0
3 years ago
Read 2 more answers
Which graph represents the solution for x2 + x - 12 > 0?
igomit [66]

Answer:it’s c on edge, sorry i’m late but for anyone else who needs help it’s c !!

Step-by-step explanation:

6 0
3 years ago
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Solve the following proportion for y.
MAXImum [283]
The answer is 36.6

Explanation:

3y=110

y=110/3

y=36.6
7 0
3 years ago
Please answer neat will mark brain.
steposvetlana [31]

Answer:

9.110° and y are the same(alternate angles)

thus y=110°. 110+x=180(seplementary angles). thus x=180-110=70°

z(alternate)=70°

10.y=78°. x=(180-78)=102°. z=102°

11.x=83°. y=(180-83)=97°. z=97°

12.y=37°. x=(180-37)=143. z=143°

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5 0
3 years ago
Samantha's notebook has 14 pages more than three times as much as Lisa's notebook. If Samantha's notebook has 260 pages , how ma
Sever21 [200]
Your answer is  B.82                                             
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3 years ago
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