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Irina-Kira [14]
3 years ago
10

In November 2010 The average cost of 5 gallons of regular unleaded gasoline in the United States was $14.46 what was the average

cost for 16 gallons of gas
Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0

Answer:

$46.27

Step-by-step explanation:

we know that

The average cost of 5 gallons of regular unleaded gasoline in the United States was $14.46

using proportion

Find out the average cost for 16 gallons of gas

Let

x ----> the average cost for 16 gallons of gas

\frac{5\ gal}{\$14.46}=\frac{16\ gal}{x}\\\\x=16(14.46)/5\\\\x=\$46.27

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$0.13  per oz

Step-by-step explanation:

since you have $2.86, you have to split it into 22 ounces. You divide the 2.86 and the 22oz. and get 0.13

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Use Cramer's Rule to solve each system.<br> 5x – 3y = 8<br> -2x - y = 10
zlopas [31]

Answer:

-2, -6

Step-by-step explanation:

using cramer rule

5    -3    

-2   -1    

calculatiing the determinant = (5 x-1) - (-3x-2) = -5 -(6) = -5-6=-11

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to calculate x we change the coefficient of x with the answer (8,10)

8   -3

10   -1

we calculate determinant = (8x-1)-(-3x10) = -8-(-30) = -8+30 =22

to calculate x

22/-11= -2

to calculate y we change the coefficient of y with the answer (8,10)

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6 0
3 years ago
Read 2 more answers
Malcom is filling bags with rice . He starts with a 5 1/4 pound container of rice and fills each bag with 5/8 pounds of rice . H
timama [110]

Answer:

Malcolm would fill 8 bags of rice.

Step-by-step explanation:

The size of the container of rice = 5\frac{1}{4} pounds = \frac{21}{4} pounds.

Each bag of rice has a capacity of \frac{5}{8} pounds.

The number of bags of rice that Malcolm fills = \frac{total quantity of rice}{capacity of each bag}

                                          =  \frac{21}{4} ÷ \frac{5}{8}

                                          =  \frac{21}{4} x \frac{8}{5}

                                          = \frac{42}{5}

                                          = 8\frac{2}{5}

Therefore, Malcolm would be able to fill 8 bags of rice.

6 0
3 years ago
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