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Natasha2012 [34]
3 years ago
7

Paul has a number of counters two less than seven

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0
The answer is 5 cause two less then 7 is 5.

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The Students at Winwood elementary school collected 574 cans of food in 20 days for a food drive. What was average number of can
Nonamiya [84]

Answer:

About 29

Step-by-step explanation:

575 cans of food / 20 days = About 28.75 cans a day, rounded to 29.

8 0
2 years ago
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The formula F=95C+32 changes a temperature reading from the Celsius scale C to the Fahrenheit scale F. What is the temperature m
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122°F

Step-by-step explanation:

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8 0
2 years ago
Pleas help me ASAP thank you :)
RoseWind [281]

Answer:

11

Step-by-step explanation:

it says 11

8 0
2 years ago
How many terms <br> x 2 - 10xy + 3y + y 2 - 1
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6 0
2 years ago
A survey of 80 randomly selected companies asked them to report the annual income of their presidents. Assuming that incomes are
Artyom0805 [142]

Answer:

The 90% confidence interval estimate of the mean annual income of all company presidents is ($579,545, $590,580).

Step-by-step explanation:

The information provided is:

n=80\\\sigma=30,000\\\bar x=585062.50\\\text{Confidence level} = 90\%

The critical value of <em>z</em> for 90% confidence level is, 1.645.

Compute the 90% confidence interval estimate of the mean annual income of all company presidents as follows:

CI=\bar x\pm z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}\\\\=585062.50\pm 1.645\times\frac{30000}{\sqrt{80}}\\\\=585062.50\pm5517.50\\\\=(579545, 590580)

Thus, the 90% confidence interval estimate of the mean annual income of all company presidents is ($579,545, $590,580).

This interval implies that there is 90% probability that the true mean annual income of all company presidents is within this interval.

4 0
2 years ago
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