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irakobra [83]
3 years ago
10

Is the relationship between number of gallons and cost proportional? Explain

Mathematics
1 answer:
Natalka [10]3 years ago
5 0

Answer:

Step-by-step explanation:

This relationship depends on the price of a gallon of gas. ... The price per gallon stays the same, so the relationship between the gallons put in and the money paid is the same and therefore, filling each car's tank with gas is proportional because they follow the same proportionality ratio

does this help?

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Tyler had $65.40 in his checking account. Then he wrote checks on the account for $20.38, $11.48, and $19.50. What is the balanc
andrew-mc [135]

money going out (20.38+11.48+19.50) =51.36

balance - out = new balance

65.40-51.36 =

14.04

new balance =  14.04

4 0
3 years ago
Evaluate each function.<br> 1) f(x) = x2 + 4x; Find f(-7)
katrin [286]

Answer:

The answer is -77

Step-by-step explanation:

Ok, so assuming by x2 you mean x squared, I will solve this. So basically when you have a function, f(-7) would mean that you would have to replace all the x's in the equation with -7. So let's write that out. that would be f(-7) = -7^2 + (-7*4). So now according to PEMDAS, you would solve the exponent first, and -7^2 is equal to -49, because when you solve it you would do -(7^2), which is -(49), which is then -49. So now you have f(-7)= -49+ (4*-7). Solving for (4*-7), you get -28. This leaves you with -49 + (-28), which is -49 - 28. Simplifying that, you get the answer, which is -77.

5 0
3 years ago
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Y_Kistochka [10]

Answer:

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Gelneren [198K]
The correct answer is D, 146 inches.
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4 x 12 = 48
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5 0
3 years ago
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natita [175]

Answer:

graph b

Step-by-step explanation:

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3 years ago
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