Does anybody know this answer????
2 answers:
Answer:
959420
Step-by-step explanation:
Calculate 10 to the power of 5 and get 100000.
9.62 × 100000 − 2.58 ×
Multiply 9.62 and 100000 to get 962000.
962000 − 2.58 ×
Calculate 10 to the power of 3 and get 1000.
962000 − 2.58 × 1000
Multiply 2.58 and 1000 to get 2580.
962000 − 2580
Subtract 2580 from 962000 to get 959420.
= 959420
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Answer:
length of the base = 9 ft
and height of the shed = 7 ft
Step-by-step explanation:
given data
volume = 567 cubic feet
base costs = $2 per square foot
roof costs = $5 per square foot
sides costs $4.50 per square foot
solution
we take here length of the base = x ft
and height of the shed = y ft
so Volume will be express as
volume = x²× y
567 = x² × y
y =
and
we know cost of material is express as here
cost of material = cost of base + cost top + cost 4 side ..................1
put here value
cost = x²(2) + x²(5) + 4xy (4.5)
cost = 7x² + 18xy
put here y value
cost = 7x² + 18 x ( )
differentiate and we get
C' = 14x -
we put here C' = 0 and we get
14x - = 0
solve it we get
x = 9 ft
and
y =
y = 7 ft