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andreev551 [17]
3 years ago
13

F granola costs $2.20 per pound, how much does 0.8 pound of granola cost?

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
4 0

Set up the proportion.  Then cross multiply to solve for the variable.

\frac{2.20 dollars}{1 pound} = \frac{x}{0.8 pounds}

2.20(0.8) = 1(x)

1.76 = x

Answer: $1.76


ki77a [65]3 years ago
3 0

Answer: 1.76 $

2.20 times 0.8 is 1.76

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A hiker averages 3/8 kilometers per hour. If he hikes for 1/3 hours, how many kilometers does he hike?
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A random sample of 84 students at a university showed an average age of 22 years and a sample standard deviation of 3 years. Fin
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Answer:

The margin of error for the 94% confidence interval is 0.6154.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population mean is:

CI=\bar x\pm z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

The margin of error of this interval is:

MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

The critical value of <em>z</em> for 94% confidence level is, <em>z</em> = 1.88.

Compute the margin of error for the 94% confidence interval as follows:

MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

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Thus, the margin of error for the 94% confidence interval is 0.6154.

7 0
3 years ago
The two ends of this triangular right prism are equilateral triangles. The
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If the two ends of this triangular right prism are equilateral triangles. The surface area of the prism is 74cm.

<h3>Surface area</h3>

Using this formula

A=bh+L(S1+S2+S3)

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S2=4cm

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Let plug in the formula

A=4(3.5)+5(4+4+4)

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Therefore the surface area of the prism is 74cm.

Learn more about surface area here:brainly.com/question/16519513

#SPJ1

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2 years ago
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