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ra1l [238]
3 years ago
12

Tim's mom filled the gas tank in her SUV and spent $72.00 for 22.5 gallons of gasoline .what is the constant of proportionality

that relates the cost in dollars ,y, to the number of gallons of gas,x
A.$0.31 per gallon

B.$3.13 per gallon

C.$3.20 per gallon

D.$0.32 per gallon
Mathematics
1 answer:
MArishka [77]3 years ago
5 0

Answer:

itś c

Step-by-step explanation: because you divide 72.00/22.5= 3.2

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The can of tomatoes is three times as tall but one-third as wide as the can of tuna. What is true about the areas of their label
yulyashka [42]
Problem One
Call the radius of the second can = r
Call the height of the second can = h

Then the radius of the first can = 1/3 r
The height of the first can = 3*h

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Here's what will cancel. The twos on the right will cancel. The 3 and 1/3 will multiply to one. The 2 r's will cancel. The h's will cancel. Finally, the pis will cancel

Result A1 / A2 = 1/1
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Problem Two
It seems like the writer of the problem put some lids on the new solid that were not implied by the question.

If I understand the problem correctly, looking at it from the top you are sweeping out a circle for the lid on top and bottom, plus the center core of the cylinder. 

One lid would be pi r^2 = pi w^2 and so 2 of them would be 2 pi w^2
The region between the lids would be 2 pi r h for the surface area which is 2pi w h

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8 0
3 years ago
12+[(15-5)]+(9-3)] what is the answer
kherson [118]

Answer:

28

Step-by-step explanation:

12+[(15-5)]+(9-3)]

PEMDAS

Parentheses first

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6 0
3 years ago
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Answer:

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