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Mekhanik [1.2K]
4 years ago
11

Use the distributive property to remove the parentheses.Simplify your answer as much as possible.

Mathematics
1 answer:
Snezhnost [94]4 years ago
3 0

Answer:6/5+6x

Step-by-step explanation:multiply 3 by 2/5 and 15x by 2/5

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Write 9/4 as a decimal. Round to three decimal places
Greeley [361]
9/4 = 2 1/4

1/4 = 0.25

2.25 is your answer


hope this helps
7 0
3 years ago
Tera buys 10 pencils for $1.99.<br> About how much $ does each pencil<br> cost?
True [87]

Answer:

19 cents or 0.199

Step-by-step explanation:

Hope it helped!

8 0
2 years ago
Read 2 more answers
How does the sample size affect the validity of an empirical​ argument? A. The larger the sample size the better. B. The smaller
astra-53 [7]

Answer:

A. The larger the sample size the better.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1-p)}{n}}

In this question:

We have to look at the standard error, which is:

s = \frac{\sigma}{\sqrt{n}}

This means that an increase in the sample size reduces the standard error, and thus, the larger the sample size the better, and the correct answer is given by option a.

7 0
3 years ago
What is the area of this parallelogram? O 28 m2 O 56 m2 0 84 m2 0 120 m2​
Advocard [28]

Answer:

area of parllelogram=base×height=(4+8)×7=12×7=

84m²

4 0
2 years ago
Sydney saved $3,000 last year. She saved $600 in the month of January. What percent of the total amount of money she saved last
const2013 [10]

Answer:

20%

Step-by-step explanation:

all you do in this is divide the smaller nymber by the bigger number:

600/3000

8 0
3 years ago
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