3 years ago

Given the trinomial, what is the value of the 'B' in the factored form? (2 points)

Mathematics

1 answer:

bulgar [2K]3 years ago

4 0

Answer:

Step-by-step explanation:

2x² - 7x - 15 = (2x + 3) (x - 5)

↑B

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A,B,C,D? I would thank you a lot...

alekssr [168]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Kelly has 45 cookies. she plans on bringing 2/3 of the cookies to school to share with her class. how many cookies will she not

Svetllana [295]

If she is bringing 2/3 to school, then she is not bring 1/3
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or u can do it this way...
she is bringing 2/3...
2/3(45) = 90/3 = 30 ....she is bringing 30
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3 years ago

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4 years ago

Read 2 more answers

If x^2 + y^2 = 10 and xy = -3, what is the value

nadya68 [22]

Answer:

Step-by-step explanation:

$xy=-3,\ x=-\frac{3}{y}\\ \\ x^2+y^2=10\\ \\ \frac{9}{x^2}+x^2=10\\ \\ x^4+9=10x^2\\ \\ x^4-10x^2+9=0\\ \\ (x^2-1)(x^2-9)=0\\ \\ (x-1)(x+1)(x-3)(x+3)=0\\ \\ x=-3,-1,1,-3\ y=1,3,-3,-1\\ \\ (x-y)^2\\ \\ (-3-1)^2=(-4)^2=16$

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3 years ago