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Nutka1998 [239]
2 years ago
11

On a certain day, the temperature changed at a rate of -2O per hour. How long did it take for the change in temperature to be -1

4O?
Mathematics
1 answer:
topjm [15]2 years ago
7 0

Answer:

it took 7 hours

Step-by-step explanation:

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Which is f(-1) for the function f(x)= 3x^2+9
blsea [12.9K]

Answer:

C.  f(-1) =12

Step-by-step explanation:

f(x)= 3x^2+9

Let x=-1

f(-1) = 3(-1)^2 +9

      = 3(1)+9

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f(-1) =12

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Are both 7 and -½ integers? why or why not?​
Tems11 [23]

Answer:

No. (-1/2) is not an integer

Integers involve all the no. +ve and -ve. which can be written without fraction. ie whole no. are counted as integers.

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2 years ago
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Nicholas wants to buy a new computer that is on sale for $899. His parents will loan him the money if he repays them. He has $22
Afina-wow [57]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Not sure how I would solve this
Simora [160]
<h3>Answer:   -6/5</h3>

Explanation:

The blue diagonal line goes through the two points (0,2) and (5,-4). These are shown as the dark blue enlarged points. You can pick any other points you want that are on the diagonal line, though these are the easiest as they stand out the most.

Use the slope formula to find the slope through these points

m = (y2-y1)/(x2-x1)

m = (-4-2)/(5-0)

m = (-6)/(5)

m = -6/5

The negative slope means the line goes downhill as you move from left to right along the diagonal line.

7 0
3 years ago
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