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Anvisha [2.4K]
3 years ago
15

Please help me add this fractions(show work) ​

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

Step-by-step explanation:

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Viktor [21]

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18 is the GCF for 18 and 54

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Do consumers spend more on a trip to Store A or Store​ B? Suppose researchers interested in this question collected a systematic
FinnZ [79.3K]

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We can be 95% confident that consumers spend between $4.04 and $15.96 less at Store A than the consumers spend at Store B.

Step-by-step explanation:

Confidence Intervals give an estimate as range of values for a statistic concerned at a <em>confidence level</em>.

In this case the statistic is the mean difference between Store A and Store B purchase amounts and the confidence level is 95%.

Confidence Interval can be calculated using M±ME where

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Rewrite the fraction in the sentence below as a percentage.
harkovskaia [24]

Answer:

62%

Step-by-step explanation:

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2 years ago
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A sphere has radius of 3 cm. What is the volume of the sphere?
Alex17521 [72]

Answer: 113.04 cm³

Step-by-step explanation: To find the volume of a sphere, start with the formula for the volume of a sphere which is shown below.

V = \frac{4}{3} \pi r^{3}

Here, we are given that our sphere has a radius of 3 centimeters.

So plugging into the formula, we have (\frac{4}{3})(\pi)(3 cm)^{3}.

Start by simplifying the exponent.

(3 cm)³ is equal to 3 centimeters · 3 centimeters ·

3 centimeters or 27 cm³.

So we have (\frac{4}{3})(27 cm^{3})(\pi).

Notice that we can cross-cancel 3 and 27 to 1 and 9.

So we have (4)(9 cm³) which is equal to 36 cm³.

So we have 36π cm³.

So the volume of the sphere is 36π cm³.

Remember that π is approximately equal to 22/7 or 3.14 so we can estimate the value of the volume by plugging in 3.14 for π.

So we have (36)(3.14) which is equal to 113.04 which means

that the volume of approximately equal to 113.04 cm³.

3 0
3 years ago
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