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attashe74 [19]
2 years ago
15

2x+y=13 x+4y=17 Solve with elimination

Mathematics
1 answer:
OverLord2011 [107]2 years ago
3 0

Answer:

X=5  Y=3

Step-by-step explanation:

2x+y=13

2(x+4y=17)

Both the 2x's cancel out which leaves you with -3y=-21 which equals 3. Then plug the Y back in to get 5 for X.

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If g(x) = 3/4 x + 2, find g(-12).
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Answer:

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Step-by-step explanation:

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4 0
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Sylvie is going on vacation. She has already driven 60 miles in one hour. Her average speed for the rest of the trip is 57 miles
Rina8888 [55]
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6 0
2 years ago
Read 2 more answers
What is the answer to x/-3 + 5 = 12
Mariana [72]

Answer:

24

Step-by-step explanation:

6 0
3 years ago
Which of the following is a correct tangent ratio for the figure?
Ludmilka [50]

Answer:

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3 0
2 years ago
Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchas
Norma-Jean [14]

Answer:  The required number of books that Ruben had before purchases is 50.

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Let x denotes the number of books that Ruben had before purchases.

Then, according to the given information, we have

x+6=x+12\%\times x\\\\\\\Rightarrow 6=\dfrac{12}{100}x\\\\\\\Rightarrow 6=\dfrac{3x}{25}\\\\\\\Rightarrow 3x=150\\\\\Rightarrow x=\dfrac{150}{3}\\\\\Rightarrow x=50.

Thus, the required number of books that Ruben had before purchases is 50.

4 0
3 years ago
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