2 years ago

Maria's car has a gas mileage of 31 miles per gallon. How many miles can Maria travel on 9 gallons of gas?

Mathematics

1 answer:

lora16 [44]2 years ago

8 0

Answer:

279 miles

Step-by-step explanation:

31 miles/gal * 9 gallons = 279 miles

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Solve : y=3.58•x+ 202.6 & y=2.3•x+160.7

Ierofanga [76]

Answer:

$x=-32.73\,,\,y=85.43$

Step-by-step explanation:

Given: $y=3.58x+202.6\,,\,y=2.3x+160.7$

To find: value of x and y

Solution:

$y=3.58x+202.6\,\,(i)\\y=2.3x+160.7\,\,(ii)$

From equation (i) and (ii),

$3.58x+202.6=2.3x+160.7\\3.58x-2.3x=160.7-202.6\\1.28x=-41.9\\x=\frac{-41.9}{1.28}=-32.73$

Put $x=-32.73$ in (i)

$y=3.58(-32.73)+202.6\\=-117.17+202.6\\=85.43$

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dimaraw [331]

8x-6y=-18 = y=4x/3 +3 and 8x+7y=9 is 8x/7+9/7

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lana [24]

Answer:

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Step-by-step explanation:

Simplify

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14 * 9 Then divide your answer by 2.2 and you will get your Kg

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