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Aleks [24]
2 years ago
10

Use substitution to solve the following system of equations 2x + 3y = 18 AND X = y - 6

Mathematics
1 answer:
Softa [21]2 years ago
4 0

Answer:

y=6,x=0

Step-by-step explanation:

here's an attachment with how to solve

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Find an equation of the line containing the points (-5,7) and (-5,8). Express your answer in slope intercept form.
alexdok [17]
Try, pls, this:
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6 0
4 years ago
How do you solve this problem? population proportion is to be estimated from a sample of 400 with a sample proportion of 0.1. Ap
Ivan

Answer:

(0.0706, 0.1294)

Step-by-step explanation:

Confidence interval of a proportion is:

CI = p ± CV × SE

where p is the proportion,

CV is the critical value (z score or t score),

and SE is the standard error.

The sample is large enough to estimate as normal.  For 95% confidence level, CV = z = 1.96.

Standard error for a proportion is:

SE = √(pq/n)

SE = √(0.1 × 0.9 / 400)

SE = 0.015

The confidence interval is:

CI = 0.1 ± (1.96)(0.015)

CI = (0.0706, 0.1294)

Round as needed.

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3 years ago
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A is correct
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Step-by-step explanation:

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1 quart of water 1 pint of juice and 9 ounces of honey equals how much total pints, cups, and ounces
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