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Bad White [126]
4 years ago
6

Darnell's car used 8 gallons or gasoline to travel 340 miles. After a mechanic worked on the car, it used 7 gallons of gasoline

to travel 350 miles. If the price of gasoline was approximately $4.00 per gallon, how much less to the nearest cent per mile did it coast to run the car after the mechanic worked on it
Mathematics
2 answers:
insens350 [35]4 years ago
7 0

Answer:

Step-by-step explanation:

Is it o.o8

Ivan4 years ago
5 0
8 gallons/340 miles vs. 7 gallons/350 miles
$32/340 miles vs. $28/350 miles
$1.133/1 miles vs. $0.08/1 mile
113 cents/mile vs. 8 cents per mile

113 cents- 8 cents = 105 cents

The answer is 105 cents/mile.
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Fill in the table so it represents a linear function.
castortr0y [4]

Answer:

2; 5; 8

Step-by-step explanation:

To fill in the table, we need to generate an equation to represent the relationship between x and y.

First, find the slope using the two pairs given, (5, -1) and (25, 11):

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{11 -(-1)}{25 - 5} = \frac{12}{20} = \frac{3}{5}

m = ⅗.

Next, using the point-slope form, we can use a point/coordinate pair and the slope to derive an equation as follows.

y - y_1 = m(x - x_1)

Where,

x_1 = 5, y_1 = -1

m = ⅗.

Plug in the values

y -(-1) = \frac{3}{5}(x - 5)

y + 1 = \frac{3}{5}(x - 5)

y + 1 = \frac{3x}{5} - 3

Subtract 1 from both sides

y + 1 - 1 = \frac{3x}{5} - 3 - 1

y = \frac{3x}{5} - 4

Use the equation above to fill out the table by plugging each value of x into the equation to get the corresponding values of y for each x value.

✔️When x = 10:

y = \frac{3x}{5} - 4

y = \frac{3(10)}{5} - 4 = 6 - 4

y = 2

✔️When x = 15:

y = \frac{3x}{5} - 4

y = \frac{3(15)}{5} - 4 = 9 - 4

y = 5

✔️When x = 20:

y = \frac{3x}{5} - 4

y = \frac{3(20)}{5} - 4 = 12 - 4

y = 8

8 0
3 years ago
If i were to yeet a rock the size of Greg Heffley at mach 8, what would be the velocity?
monitta

9514 1440 393

Answer:

  2744 m/s

Step-by-step explanation:

8 times the sea-level speed of sound is ...

  8(343 m/s) = 2744 m/s

_____

At higher altitude, it will be slower.

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3 years ago
I NEED HELP BADLY!!!!
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For ADC you just add those two numbers. your answer would be D) 131 
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3 years ago
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Nurse Jackson examines immunization records for this past winter at the school where she works. Got flu Didn't get flu Total Vac
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Answer:

140

Step-by-step explanation:

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What is the value of y?<br> 1304
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