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crimeas [40]
3 years ago
5

(04.04)

Mathematics
2 answers:
GREYUIT [131]3 years ago
8 0

Answer:

1.3

Step-by-step explanation:

Nastasia [14]3 years ago
3 0
*Hint: In order to find the distance between the two points the formula would be √((x2 - x1)^2 + (y2 - y1)^2)

Now that we know the formula, all we do is plug in the numbers.

√((2 - 2)^2 + (2.5 - 1.2)^2)
√ 0 + (1.3)^2
√1.69
1.3

The distance between the two points is 1.3.
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malfutka [58]

Answer:

μ = 0.169

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Step-by-step explanation:

The confidence interval is:

CI = μ ± ME

So the mean is the middle of the confidence interval, and the margin of error is half the difference.

μ = (0.118 + 0.220) / 2 = 0.169

ME = (0.220 − 0.118) / 2 = 0.051

5 0
4 years ago
To decrease an amount by 19 ,multplu by
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4 0
3 years ago
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7 0
3 years ago
Read 2 more answers
Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. Together they earn $480. How much doe
Salsk061 [2.6K]
We will call:
M=Mari
J=Jen

Initial equations:

M=2J
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(the fact that they work 20 hours a week is not needed in this problem information)

Plug in:
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Therefore:

M=2J
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Mari makes $320 per week
Jen makes $160 per week
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Step-by-step explanation:

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