Which algebraic expression is equivalent to the expression below? 9(2x - 6) A. 9x - 3 B. 18x - 54 C. 9x - 8

Mathematics

2 answers:

guapka [62]3 years ago

5 0

Answer:

its b

Step-by-step explanation:

sergejj [24]3 years ago

4 0

Answer:

Step-by-step explanation

multiply 2 and 6 by 9

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Stells [14]

Answer: 306in^3

method: I would split the cross-section (the trapezium at the front) into two shapes. You first have your rectangle with dimensions of 4 and 7, and your triangle with dimensions of height 4 and base 3 (10 - 7 = 3). 4 × 7 = 28in^2, 4 × 3 = 12, 12 ÷ 2 = 6in^2. The total surface area of the cross-section is therefore 6 + 28 = 34in^2. Now, to find the volume, you just multiply that by 9 which is 306in^3, which is your answer. I hope this helps!

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3 years ago

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Fiesta28 [93]

Answer:

true. true. false.

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