Answer:
Thickness is 6 m.
Step-by-step explanation:
Given:
Area of the base of rectangular wood,
Volume of the rectangular wood,
Volume of the rectangular wood is given as,
Where, is the thickness of the rectangular wood.
Plug in for and for . Solve for .This gives,
Therefore, the thickness of the rectangular wood is 6 m.
Answer:
its accualy c,d,e
Step-by-step explanation:
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Answer: 39
Step-by-step explanation:
= 1 + (20-1)2
= 1 + (19)2
= 1 + 38
= 39
Answer:
98 yards
Step-by-step explanation:
The new width is 40 yds + 2 yds = 42 yds.
Area = L × W
4200 square yds = L × 42 yds
L = 4200 yds ÷ 42 yds = 100 yds
The new length is 100 yds.
The old length = the new length - the width of the path × 2 = 100 yds - 1 yd × 2 = 100 yds - 2 yds = 98 yds.
The length of the park was 98 yds, before the path was built.