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Dovator [93]
3 years ago
10

2. Which expression is equivalent to 3x(-4x² + 5x - 8) - 6(x² - 5x + 7)?

Mathematics
1 answer:
adoni [48]3 years ago
5 0
It is answer choice B. Using the distributive property, -12x^3+15x^2-24x-6x^2+30x-42. Then combine like terms.
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HELP I NEED HELP ASAP
lubasha [3.4K]

Answer:

c

Step-by-step explanation:

sum of two numbers x and y is 140

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the difference between x(the larger number) and y( smaller number)

x-y=32

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andrew-mc [135]
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I need help please and thank you
s344n2d4d5 [400]

Answer:

20 degrees.

Step-by-step explanation:

The 3 angles of a triangle add up to 180 degrees.

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A triangle has a base of 10 centimeters and a height of 12 centimeters. A rectangle has a base of 10 centimeters and a height of
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Answer:  Triangle is 150 sq

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Step-by-step explanation:

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The sum of three certain consecutive numbers is 240. Find the 3 numbers.
BartSMP [9]

Answer:79 , 80 , 81

Step-by-step explanation:What three consecutive integers have a sum of 240? What three consecutive integers have a sum of 240? Which means that the first number is 79, the second number is 79 + 1 and the third number is 79 + 2. Therefore, three consecutive integers that add up to 240 are 79, 80, and 81.

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