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Mnenie [13.5K]
3 years ago
8

Find the rate as a ratio of distance to time 770km, 5hr

Mathematics
1 answer:
solmaris [256]3 years ago
4 0
770:5 or 154:1
154 km per hour
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3x - 12y = 6<br> x - 4y = 2<br> solve by elimination
OverLord2011 [107]

Answer:

the problem has an infinite number of solutions

Explanation:

3x - 12y = 6

x - 4y = 2

make the coefficient of x same by multiplying the entire following by 3

⇒ ( x - 4y = 2 ) * 3

⇒ 3x - 12y = 6 __ equation 2

3x - 12y = 6 __ equation 1

solving using elimination method:

3x - 12y = 6

3x - 12y = 6

===========

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Solve for x show all work -2× + 5=4× -7​
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