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sergij07 [2.7K]
3 years ago
6

Enter your answer below, do not use spaces

Mathematics
1 answer:
8_murik_8 [283]3 years ago
6 0

Answer:

Step-by-step explanation:

1. 6(a +2b +3c)

2. (6 x 1a) + (6 x 2b) + (6 x 3c)

*Note that I put a 1 in front of the a.  I did this because a means there is 1a so by putting the 1 there, it makes it easier to see that 6 x 1= 6, therefore we now have 6a.

3. Answer:

(6a) + (12b) + (18c)

* If you ever have an equation like this that has two of the same letters such as if 12b was 12a, then you could combine those since they are like terms.  But since we have three different letters, this is the most simplified answer.  Hope this helps!!(: If you have any questions just let me know!

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Where is the problem so that I may be able to help you??
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3 years ago
At the movie theater, childs admission is $6.10. Adult admission is $9.40. On Tuesday four times as many adult tickets as child
Harlamova29_29 [7]

Answer:

The number of children's tickets sold was 27

Step-by-step explanation:

Let

x ----> the number of children's tickets sold

y ----> the number of adult's tickets sold

we know that

6.10x+9.40y=1,179.90 ----> equation A

y=4x ----> equation B

Solve the system by substitution

Substitute equation B in equation A

6.10x+9.40(4x)=1,179.90

solve for x

6.10x+37.6x=1,179.90

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8 0
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What plus what equals -8 ?
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Answer:

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Step-by-step explanation:

3 0
2 years ago
The distribution of blood cholesterol level in the
qaws [65]

Answer: A. Mean of sampling means =\mu=168\ Mg/dl

Standard deviation of sampling means =2.86\ mg/dl

B. The probability that your sample has mean less than  165 is 0.1492 .

Given : The distribution of blood cholesterol level in the

population of young men aged 20 to 34 years is close to normal with

mean \mu= 168 Mg/dl and standard deviation \sigma= 35 mg/dl.

Sample size : n= 150

Let \overline{x} sample mean values.

A. The mean and the  standard deviation of the distribution of the sampling means would be :

Mean of sampling means =\mu=168\ Mg/dl

Standard deviation of sampling means = \dfrac{\sigma}{\sqrt{n}}=\dfrac{35}{\sqrt{150}}

=\dfrac{35}{12.2474487}\\\\=2.85773803649\approx2.86\ mg/dl

The probability that your sample has mean less than  165 would be

P(\overline{x}

Hence , the probability that your sample has mean less than  165 is 0.1492 .

7 0
3 years ago
2.Sierra buys a pack of candy that was on sale for 40 % off , the original price of the candy was 10 dollars . What is the new c
DerKrebs [107]

Given :

The original price of the candy = $10

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1 year ago
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