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strojnjashka [21]
3 years ago
15

Help????? urgent!!!!!!!!

Mathematics
1 answer:
defon3 years ago
3 0
Y=2x-3.
Answer B.

Proof

When y=1 then x=2
y=2x-3
1=2*2-3
1=4-3
1=1

.............
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NISA [10]
For the perimeter you have to consider the EXTERNAL SHAPE ONLY:

a) the perimeter of half a circle WITHOUT ITS DIAMETER  is:
π.R - 2R → 3.14x1.5 - 2x1.5 → 1.71 cm

b) the perimeter of the rectangle WITHOUT THE UPPER SIDE is:
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Hence the perimeter of the figure is 1.71 + 8 = 9.71 cm

2) Area of the figure:
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Total area = 3.5325 + 7.5 = 11.0325 ≈ 11 cm²


3 0
3 years ago
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