Alan has a business mowing lawns for $20 per lawn and raking leaves for $0.75 per pile. His goal is to earn exactly $30 each tim
2 answers:
Answer:
Step-by-step explanation:
Let x be the no. of piles of leaves
Cost of raking leaves per pile= $0.75
Cost of raking leaves x piles= 0.75 x
Cost of mowing lawn = $20
His goal is to earn exactly $30 each time he mows a lawn and rakes leaves.
So, equation becomes :
Hence equation models Alan’s goal is
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The area of sector is 1.57 m²
<u>Explanation:</u>
Given:
Radius, r = 3 m
Central angle of a sector = 1/9π radians
Area of sector, A = ?
We know:
Area of sector, A =
where,
α is the central angle in radians
On substituting the value we get:
Therefore, the area of sector is 1.57 m²
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