Mrs. Dobbs wants to replace the grass in her backyard and needs to find the area, in square feet, so she can purchase sod. The a
rea is composed of a triangle and rectangles as shown below.
2 answers:
Answer: 158 square feet
Step-by-step explanation:
Area of the rectangle is; 128 feet
Area of the triangle is; 30 feet
Area of the triangle + area of the rectangle is; 158 square feet
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Cosine Rule again:-
cos A = (9^2 - 6^2 - 14^2) / (-2*6*14)
= 0.8988
m < A = 26 degrees
Answer:
ln e = 1
ln e 2x = 2x
ln 1 = 0
Step-by-step explanation:
ln e
ln(2.718282) = 1
In e 2x
ln(2.718282)(2)x = 2x
ln 1 = 0
Answer:
d
Step-by-step explanation:
d
That would be 20 x 19 x 18 which equals 6840.
After first place is chosen, 19 spots left and so on.
The answer is 6840 ways.
