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Tomtit [17]
3 years ago
15

Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does a 0 r

epresent in this situation.
Mathematics
1 answer:
MrRa [10]3 years ago
4 0
This could be a situation in which items are both bought and sold. In calculating the inventory, positive numbers represent items bought, negative numbers represent items sold and 0 would be no items in the inventory.

Another type of situation would be the displacement of an object from the original position. Where 0 would represent the original/starting position, positive values would represent distance moved forward, negative values represent distance moved backwards. 
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bazaltina [42]

9514 1404 393

Answer:

  90 m²

Step-by-step explanation:

The given linear dimensions have the ratio ...

  red/blue = (6 m)/(4 m) = 3/2

The ratio of areas is the square of the ratio of the linear dimensions:

  (red area)/(blue area) = (3/2)²

  S = (blue area)(9/4) = (40 m²)(9/4)

  S = 90 m²

5 0
2 years ago
The horsepower , H(s), required for a racecar to overcome wind resistance is given by the function : H(s) = 0.003s^2+0.07s-0.027
mote1985 [20]
Average rate of change = [H(100) - H(80)] / (100 - 80)
H(100) = 0.003(100)^2 + 0.07(100) - 0.027 = 0.003(10000) + 0.07(100) - 0.027 = 30 + 7 - 0.027 = 36.973

H(80) = 0.003(80)^2 + 0.07(80) - 0.027 = 0.003(6400) + 0.07(80) - 0.027 = 19.2 + 5.6 - 0.027 = 24.773

Average rate of change = (36.973 - 24.773)/(100 - 80) = 12.2/20 = 0.61

Answer: B
8 0
3 years ago
Read 2 more answers
The histogram shows the number of hours that students in a class slept last night. How many students slept at least 8 hours?
Vlad [161]

Answer: I believe it would be 8 people who slept atleast 8 hours.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the area of A rectangle with a length of 3 inches and a width of 1/8 inch
n200080 [17]
Area= length * width
Therefore, you do 3*1/8
ie 3/8

idk if its right  :/
7 0
3 years ago
Is there a proportional relationship between x and y? Explain.
myrzilka [38]
as x increases, y increases and as x decreases, y decreases-and that the ratio between them always stays the same.
7 0
3 years ago
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