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Mashcka [7]
3 years ago
12

4/7 - 2/4 plz help thank you

Mathematics
1 answer:
Yanka [14]3 years ago
3 0
1/14 is you answer
you can you a fraction calculator on you pc for help with fraction......

www.calculatorsoup.com



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a family has two cars. the first car has a fuel efficiency of 20 miles per gallon of gas and the second has a fuel efficiency of
Kryger [21]
Let the number of gallons consumed be the first car be x, and that of the second car, y. Then:
x + y = 50 . . . . . . . (1)
20x + 15y = 850. . . (2)

(1) x 20 => 20x + 20y = 1000 . . . (3)
(2) - (3) => -5y = -150 => y = -150/-5 = 30

From (1), x + 30 = 50 => x = 50 - 30 = 20

Therefore, first car consumed 20 gallons and the second consumed 30 gallons.
3 0
3 years ago
Solve using substitution y=x-3 4x+y=32
hichkok12 [17]
Hey there !

Check the attachment.
Hope it helps you :)

7 0
3 years ago
0. Juan has been saving for a new bike for two months. So far, he has saved
antiseptic1488 [7]

<u>Given</u>:

Juan has been saving for a new bike for two months. So far, he has saved $150 for the bike.

The money that he has saved so far is 30% of the cost of the bike.

We need to determine the total cost of the bike.

<u>Total cost of the bike:</u>

Let x denote the total cost of the bike.

The total cost of the bike is given by

30\% \ of \ x=150

The value of 30% can be written as \frac{30}{100}

Thus, we get;

\frac{30}{100} \times x=150

Multiplying both sides by \frac{100}{30}, we have;

x=150 \times \frac{100}{30}

Simplifying, we have;

x=\frac{15000}{30}

x=500

Thus, the value of x is 500.

Hence, the total cost of the bike is $500.

3 0
3 years ago
Apply the distributive property to factor out the greatest common factors 9 +15
aleksley [76]

Answer:

3( 3+5)

Step-by-step explanation:

9 +15

Rewriting 9 as 3*3  and 15 * 3*5

3*3 + 3*5

Factor out 3

3( 3+5)

3 0
3 years ago
I need a answer ASAP pls
Klio2033 [76]
Non linear I just put it into Socratic. Because linear functions make straight lines on a graph. This makes a curve, so it is non linear
3 0
2 years ago
Read 2 more answers
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