It is 860.4 because if you multiply it in the calculator you will get the answer. So you put in 71.1 times 12 and you get 860.4.
ANSWER:
A cross section parallel to the base is a rectangle measuring 15 inches by 6 inches.
A cross section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 6 inches by 15 inches.
A cross section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 4 inches by 15 inches.
A cross section not parallel to the base that passes through opposite 6-inch edges is a rectangle measuring 6 inches by greater than 15 inches.
Step-by-step explanation:
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Answer:
n = 27
Step-by-step explanation:
(2n + 9) / 9 = 9
multiply both sides by 9
3n = 81
/3 /3
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n = 27
Assuming we're after the exact answer, we can just worry about the fractional parts
Three decimal places, second choice
The answer is 9x² - 36x + 35
FOIL Method or Box Method can be useful in solving this problem.
First Terms Product: 3x × 3x = 9x²
Outside Terms Product: 3x × -5 = -15x
Inner Terms Product: -7 × 3x = -21x
Last Terms Product: -7 × -5 = +35
Combining like terms results in the answer given above.