Plug y=2x+1 into <span>x+2y=17, we have:
x+ 2(2x+1)= 17
</span>⇒ x+ 2*2x+ 2*1= 17 (distributive property)
⇒ x+ 4x+ 2= 17
⇒ 5x= 17-2
⇒ 5x= 15
⇒ x= 15/5
⇒ x= 3
<span>
y= 2x+1= 2*3+1= 7
Final answer: x= 3, y= 7~</span>
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Answer: 1=2x 2=(0, 1/4)
Step-by-step explanation:
Answer: $49.75
Step-by-step explanation:
$53.50 is with the added 7%.
we want to find what the price is without the 7%
take that $53.50 is 100%
1% - 53.50/100 = 0.535
7% - 0.535 x 7 = 3.745
$53.50 - 3.75 = $49.75
Answer:
For each hour that Michelle drove, she traveled an additional 50 miles.
Step-by-step explanation:
The point (0, 350) tells you Michelle's trip is 350 miles long. The point (7, 0) tells you she completed it in 7 hours. The point (6, 50) on the graph tells you she has 50 miles remaining of the original 350 after 6 hours.
True: for each hour Michelle drove, she traveled an additional 50 miles.
