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oksano4ka [1.4K]
3 years ago
11

What would be the best variable to solve for and from what equation 3x+6y=9 2x-10y=13

Mathematics
1 answer:
Neko [114]3 years ago
7 0
Use the equation on the left because you will be able to divide by three and solve for x. Hope this helps :)
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What is the value of N? 5x4/5=n
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The value of n would be 4 because 5 times 4/5 is 4, which would equal n
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Luisa and Connor had $360 altogether . After Connor gave Luisa 2/5 of his money, she had the same amount of money has he did. Ho
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Answer:

$300

Step-by-step explanation:

Let's say that L is the amount of money Luisa had in the beginning, and C is the amount of money Connor had in the beginning.

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Simplifying the second equation:

3/5 C = L + 2/5 C

1/5 C = L

Substituting into the first equation:

C + 1/5 C = 360

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Connor originally had $300, and Luisa $60.  Connor gave Luisa $120, and they both had $180.

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4 years ago
A car travels 120 miles in 3 hours (with a constant ) how far will it take to travel 200 miles?​
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3 0
3 years ago
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Roy’s Used Cars has 12 trucks, 20 cars and 15 SUV’s on the lot. If the Roy randomly gives away a vehicle to some lucky customer,
malfutka [58]
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Step-by-step explanation:

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The total number in sample space, n (S) = 47

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Let A be the event that Roy is giving an SUV

Total no of SUV's , n (A) = 15

The probability of giving an SUV, P (A) = n (A) / n (S)

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4 years ago
Tina drew a triangle with side lengths 6, 8, and 14. She claims it is a right triangle. Is she correct?
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Answer:

No such a triangle can not exist.  

4 0
3 years ago
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