PLEASE HELP ME please!

Mathematics

1 answer:

Delicious77 [7]3 years ago

3 0

Answer:

x < -1

so its C

Step-by-step explanation:

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mr carlos buys 1,080 apples. 1/9 of the apples are rotten. he sells the rest at $2 for 10 apples. how much does he earn from the

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Step-by-step explanation:

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svetoff [14.1K]

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A rectangle has a height of 43 and a width of 3x + 1.

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If x^2 +x-12 is a factor of x^3+ax^2-10x-b then find the values of a and b

Marysya12 [62]

Answer:

a=3

b=24

Step-by-step explanation:

If $x^2+x-12$ is a factor of $x^3+ax^2-10x-b$ , then the factors of $x^2+x-12$ must also be factors of $x^3+ax^2-10x-b$ .

So what are the factors of $x^2+x-12$ ? Well the cool thing here is the coefficient of $x^2[tex] is 1 so all we have to look for are two numbers that multiply to be -12 and add to be positive 1 which in this case is 4 and -3.-12=4(-3) while 1=4+(-3).So the factored form of [tex]x^2+x-12$ is $(x+4)(x-3)$ .