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Jlenok [28]
3 years ago
8

A student concluded that the inequality -3+2y<4x is equivalent to the inequality y>2x+3/2, as shown below. Describe and co

rrect the students error
Mathematics
1 answer:
svlad2 [7]3 years ago
4 0

Step-by-step explanation:

-3+2y<4x

then

2y< 4x+ 3 (add both sides with 3)

y < 2x +3/2 ( divide both sides by 2 that is positif and we do not change the sens < )

Hope you understand.

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The perimeter of a chalkboard is 14 feet. The board is 4 feet long. How tall is it?<br> feet
motikmotik

Answer:

3 feet

Step-by-step explanation:

P=2(a+b)

14=2(4+b)

14=8+2b

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7 0
3 years ago
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3 years ago
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8 0
4 years ago
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sergiy2304 [10]

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