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chem1014
27.06.2019 •
Mathematics
Afence builder uses boards 3 1/2 feet long for the vertical slats on the fence. how many slats can be made from a board that is 42 feet long
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Ответ:
12 slats can be made from a board i,e 42 feet long
Step-by-step explanation:
As per the given statement: A fence builder uses boards
feet long for the vertical slats on the fence.
We have to calculate how many slats can be made from a board that is 42 feet long.
Builder uses board
feet long for the vertical slats.
then;
for 42 feet long =
slats can be made.
Therefore, 12 slats can be made from a board that is 42 feet long.
Ответ:
Area of the house and porch is 875 square feet.
Step-by-step explanation:
Given question is incomplete: find the complete question in the attachment.
From the figure attached,
Area of the octagonal house and porch = Area of the rectangle - Area of two rectangles cut off from the top corners of the rectangle
Area of the rectangle = 30×30 = 900 square feet
Area of the triangles =![2[\frac{1}{2}\times 5\times 5]](/tpl/images/0667/4777/fb1a4.png)
= 25 square feet
Area of the house and porch = 900 - 25
= 875 square feet
Therefore, area of the house and porch is 875 square feet.