A park in a subdivision has a triangular shape. Two adjacent sides of the park are
1 answer:
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Answer:
Step-by-step explanation:
The lab technician is dividing a cell that has a diameter of
The new cells has a diameter that is half of the diameter of the original cell.
The diameter of the new cell is given as:
Rewrite the numerator in standard notation:
We rewrite in scientific notation to obtain:
Answer:
2.4 cans cost 47.4
If you cannot buy 2.4 cans, you must buy 3 cans, then you'll pay 59.25
Step-by-step explanation:
The lawn has trapezoidal shape, so find the area of the trapezoid using formula
In the diagram, ABED is rectangle, so BE = 12 m, thus ED = 20 m - 12 m = 8 m.
Consider right triangle EDC. By the Pythagorean theorem,
Thue,
Height = 15 m
Find the midline:
Hence,
One can cover to cover
is needed
cans
One can costs 19.75, so 2.4 cans cost
If you cannot buy 2.4 cans, you must buy 3 cans, then you'll pay
