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dexar [7]
3 years ago
15

Josh drove 410 miles using 20 gallons of gas . at this rate ,how many miles would he drive using 18 gallons of gas

Mathematics
2 answers:
Sergio039 [100]3 years ago
6 0
410/20=20.5
1 gallon=20.5 miles
18 gallons=20.5x18
=369 miles


NISA [10]3 years ago
5 0
Let's set up a ratio. 410 / 20 should be equal to x / 18, right? So the rate of miles per gallon in the first one is 20.5 miles per gallon. So therefore, when you have 18 gallons, that would be 20.5 * 18 which is 369. 

If this helped please rate, thank, and give brainliest answer!
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As soon as possible please.
eduard

Answer:

x = - 7

Step-by-step explanation:

Express the diagrams in equation form with output y

A y = 5x - 4

B y = 3x + 8

Equate the right sides so that A is 3 times B

5x - 4 = 3(3x + 8) ← distribute parenthesis

5x - 4 = 9x + 24 ( subtract 9x from both sides )

- 4x - 4 = 24 ( add 4 to both sides )

- 4x = 28 ( divide both sides by - 4 )

x = - 7

As a check

A  y = 5(- 7) - 4 = - 35 - 4 = - 39

B  y = 3(- 7) + 8 = - 21 + 8 = - 13

then - 13 × 3 = - 39

The required input is x = - 7

7 0
2 years ago
The answer please please <br> A.45<br> B. 50<br> C.39.5<br> D. 47.5
7nadin3 [17]

Answer:

D. area=47.5

Step-by-step explanation:

3.5+5+7+32

8 0
3 years ago
What is the lcm of 9 12?
Ray Of Light [21]
The LCM of 9 and 12 is 36.

I hope this helps, and have a good night and life! :D
8 0
3 years ago
Which is the graph of f(x)
padilas [110]
I don’t understand please put it in a form i could possibly understand
8 0
3 years ago
Help show work pls for brisnly
Deffense [45]

Answer:

6

Step-by-step explanation:

Ok, so all we have to do is multiply 8 * 3/4, because each child needs 3/4 of the sandwich, and there are 8 of them. The easiest (My opinion) way to do this is by turning 8 into a fraction. Turning whole numbers into fractions is really simple, just slap a /1 under them to make them a fraction. And so, our fraction is 8/1. Now, all we have to do is multiply the top part of the fraction, and then the bottom part of the fraction. So, 8 * 3 = 24, and 1 * 4 = 4. So, just put 24/4 as an answer. But, wait! We have to simplify it! 24 divided by 4 is 6, so 6 is our final answer.

8 0
3 years ago
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