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Aleks [24]
3 years ago
9

Martin paid $94.57 for 24 1/2 gallons of diesel fuel how much did Martin paid for each gallon

Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Answer:

$3.86/gallon

Step-by-step explanation:

Divide the total amount of money paid ($94.57) by the total amount of gallons (24.5)

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Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for
yan [13]

Answer:

The costs of the plan are $0.15 per minute and a monthly fee of $39

Step-by-step explanation:

Let

x ----> the number of minutes used

y ----> is the total cost

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have the ordered pairs

(100,54) and (660, 138)

substitute

m=\frac{138-54}{660-100}

m=\frac{84}{560}=\$0.15\ per\ minute

step 2

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=0.15\\point\ (100,54)

substitute

y-54=0.15(x-100)

step 3

Convert to slope intercept form

Isolate the variable y

y-54=0.15x-15\\y=0.15x-15+54\\y=0.15x+39

therefore

The costs of the plan are $0.15 per minute and a monthly fee of $39

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13. Given f(x) = X – 3 and g(x) = 4x, find f(g(x)).
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Step-by-step explanation:

f(g(x))

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3 years ago
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Evgesh-ka [11]

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Step-by-step explanation:

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x=13 degrees

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119=9x+2

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