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zhannawk [14.2K]
3 years ago
10

6 less than twice a number is 12

Mathematics
2 answers:
OlgaM077 [116]3 years ago
6 0

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

Your answer is 18

Step-by-step explanation:

You have to "decompose" or "break down" the problem.

"6 less than twice a number is 12" can also be written as "12 equals twice a number minus 6".

So what number times what number minus 6 equals 12?

9 x 9 = 18 - 6 = <u>12</u>

<u />

<h3>So, your answer is 18. </h3>

I hope this helps!

- sincerelynini

kati45 [8]3 years ago
3 0

Answer:

9

Step-by-step explanation:

9 x 2 = 18 - 6 = 12

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A survey reported that 5% of Americans are afraid of being alone in a house at night. If a random sample of 20 Americans is sele
liq [111]

Answer:

5.96% probability that exactly 3 people in the sample are afraid of being alone at night.

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are afraid of being alone at night, or they are not. The probability of a person being afraid of being alone at night is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

5% of Americans are afraid of being alone in a house at night.

This means that p = 0.05

If a random sample of 20 Americans is selected, what is the probability that exactly 3 people in the sample are afraid of being alone at night.

This is P(X = 3) when n = 20. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{20,3}.(0.05)^{3}.(0.95)^{17} = 0.0596

5.96% probability that exactly 3 people in the sample are afraid of being alone at night.

5 0
3 years ago
What is 5 + 10 pls pls pls pls pls help
AlekseyPX

Answer:

15

Step-by-step explanation:

4 0
2 years ago
Hate math to be honest
KatRina [158]
Could you take a little bit clear picture? :)
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Answer:

Step-by-step explanation: use Triangle formula Area= 1/2xbxh

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You got this

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Explain how to graph a line from the following equation <br><br> A. 2x-1=y<br> B. Y=-9/2x-2/8
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Step-by-step explanation:

4 0
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