3 years ago

What is the expression

1 answer:

7 0

$-9r^2-2r+r^2+r=(-9r^2+r^2)+(-2r+r)=-8r^2-r\to B.$

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Radda [10]

Answer:

b and c

Step-by-step explanation:

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3 years ago

stiv31 [10]

Answer:

Step-by-step explanation:

this is independent

20/50= 2/5= 40% of getting pink, probability of getting 2= 20%

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17/50=0.34=34% of getting purple, probability of getting 2 = 17%

70%

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2 years ago

cupoosta [38]

Answer:

B. 3x^2 - 13x + 7

Step-by-step explanation:

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marishachu [46]

Answer:

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3 years ago

andreyandreev [35.5K]

Two end points
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4 years ago