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Bingel [31]
3 years ago
8

You are building a rectangular garden against the back of your house, using 80 feet of fencing. The area of the garden needs to

be greater than 400 square feet but less than 600 square feet. Which interval(s) represent possible lengths, in feet, for the horizontal edges of the garden? (0, 10) Union (30, 40) (20 minus 10 StartRoot 2 EndRoot, 20 + 10 StartRoot 2 EndRoot) (0, 20 minus 10 StartRoot 2 EndRoot) union (20 + 10 StartRoot 2 EndRoot, 40) (20 minus 10 StartRoot 2 EndRoot, 10) Union (30, 20 + 10 StartRoot 2 EndRoot)

Mathematics
2 answers:
Svetlanka [38]3 years ago
5 0

Answer:

d

Step-by-step explanation:

pantera1 [17]3 years ago
3 0

Answer: D

Step-by-step explanation:

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c=4, b=2, a²=b²+c²==> a=2√5

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13. GEOMETRY The formula for the area of a triangle is A = Loh , where A represents the area, b is the base, and his the height
Setler79 [48]

Answer:

Whoa! You made a rectangle that's twice as big as the triangle! The area of the rectangle is bh=4\times 5 = 20bh=4×5=20b, h, equals, 4, times, 5, equals, 20 square units, so the area of the triangle is \dfrac 12 by = \dfrac 12 \times 4 \times 5 = 10

2

1

​

bh=

2

1

​

×4×5=10start fraction, 1, divided by, 2, end fraction, b, h, equal, start fraction, 1, divided by, 2, end fraction, times, 4, times, 5, equals, 10 square units.

Step-by-step explanation:

A=

2

1

​

by

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3 years ago
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