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ioda
3 years ago
9

Factor each expression 5x + 15

Mathematics
2 answers:
lana66690 [7]3 years ago
6 0
Take out the gcf (5).

5(x+3)

The inner binomial cannot be factored.

Final answer: 5(x+3)
Nostrana [21]3 years ago
5 0
The answer is 5(x+3), if you do the distributive it would equal 5x+15
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A sample of 56 research cotton samples resulted in a sample average percentage elongation of 8.63 and a sample standard deviatio
ss7ja [257]

To solve for the confidence interval for the true average percentage elongation, we use the z statistic. The formula for confidence interval is given as:

Confidence interval = x ± z σ / sqrt (n)

where,

x = the sample mean = 8.63

σ = sample standard deviation = 0.79

n = number of samples = 56

 

From the standard distribution tables, the value of z at 95% confidence interval is:

z = 1.96

 

Therefore substituting the known values into the equation:

Confidence interval = 8.63 ± (1.96) (0.79) / sqrt (56)

Confidence interval = 8.63 ± 0.207

Confidence interval = 8.42, 8.84

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5 0
3 years ago
Help with #2 it has to do with number 1 that is the polygon you need to find the area of it.
Katena32 [7]
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This means *picture above*

So then you count over each line meaning 1.
This means L=9 and a 1/2. Since its in between the 2 an 3 on the x-axis.
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All you do from there is multiply 9 and 3. This should give you A=area.

8 0
3 years ago
4Brainliest
Maurinko [17]

The correct answer is:

$5.75

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Answer:

use socartic for help

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3 years ago
What is (-6, 2) reflected across the x axis then dilated by 1/2?
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