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zimovet [89]
2 years ago
12

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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PLEASE HELP!!!
vovangra [49]

Answer:

<em>Michael drove faster than Jordan.</em>

Step-by-step explanation:

<u>Speed</u>

The speed is the ratio between the distance d traveled by an object and the time t it took to move. In terms of a mathematical equation, it's expressed as:

\displaystyle v=\frac{d}{t}

Michael drove 210 miles in 3 and one-half hours. The parameters to calculate the speed are: d= 210 miles, t = 3.5 hours. The speed of Michael is:

\displaystyle v_M=\frac{210}{3.5}=60\ mi/h

Jordan drove 330 miles in 6 hours, thus his speed is:

\displaystyle v_J=\frac{330}{6}=55\ mi/h

It's clear that Michael drove faster than Jordan.

8 0
3 years ago
Solve the linear system using substitution
levacccp [35]
Hello there!

3x - y = 3
-x + y = 3

We need to solve 3x - y = 3 for y

Let start by adding -3x to both sides

3x - y = 3

3x - 3x - y = 3 - 3x

-y = 3 - 3x
We cannot leave the variable with a negative sign. We must multiply both sides by -1

-y * -1= (3 - 3x)-1

y = 3x - 3

Substitute 3x -3 for y in -x+y=3

-x + y = 3

-x + 3x - 3 = 3

2x - 3 = 3

2x = 3 + 3

2x = 6

x = 6/2

x = 3

Now substitute 3 for x in y=3x -3

y = 3x - 3

y = 3(3) - 3

y= 9 - 3

y= 6

Thus,

The answer is x=3 and y=6

It is always my pleasure to help students like you :)

As always, I am here to help!


7 0
3 years ago
Can someone tell me the answer 1)1547 2)2750 3)36835 round off each of the following number to a) the nearest ten b) the nearest
nirvana33 [79]

1550, 2760, 36840 that s all

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3 years ago
Absolute Values Inequalitties<br><br>I  x  I  + 3 &gt; 4
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3 years ago
This isn't really a question but something to kinda help you. I know with all this stuff going on with the Cov** and stuff schoo
Lisa [10]

Answer:

hchctftdyfubuh6f6fuvtdrvinivyvobyzecuctcy

6 0
3 years ago
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