3 years ago

Which of the following is not the same as positive 6?

Mathematics

1 answer:

LiRa [457]3 years ago

7 0

6 units to the left of 0 on a number line

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Factor 5x2-5x - 60.<br> 5(x + 3)(x-4)<br> 5(x - 3)(x + 4)<br> 5(x-4)(x + 3)

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(3) that’s the answer ! Have a great day love

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A firm maintains 22 cars for business purposes. From past experience, it is known that approximately 10% will require major engi

seropon [69]

Answer:

The probability that at most 1 car will require major engine repair next year is P=0.3392.

Step-by-step explanation:

This can be modeled as a binomial random variable, with n=22 and p=0.1.

The probability that exavtly k cars will require major engine repair next year is:

$P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}$

Then, the probability that at most 1 car will require major engine repair next year is:

$P(x\leq1)=P(x=0)+P(x=1)\\\\\\P(x=0) = \dbinom{22}{0} p^{0}(1-p)^{22}=1*1*0.0985=0.0985\\\\\\P(x=1) = \dbinom{22}{1} p^{1}(1-p)^{21}=22*0.1*0.1094=0.2407\\\\\\P(x\leq1)=0.0985+0.2407\\\\P(x\leq1)=0.3392$

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3 years ago

Evaluate the expression when x = –15. –4x – 11 A. –71 B. –49 C. 49 D. 71

Usimov [2.4K]

-4x-11. Plug -15 in for x into the equation. -4(-15)-11. That gives you 49. Therefore, making choice C correct.

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