Please help I really do not understand its turned in today. I WILL GIVE BRAINLIEST :)

Mathematics

1 answer:

8090 [49]3 years ago

6 0

Answer:

Total area of new carpeting installed: 368

Step-by-step explanation:

What I did is too complicated to write down, so I'll just show you the math:

(12 * 8) * 2 (The area of the bedrooms)

11 * 16 (The area of the livingroom)

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I don’t understand what I’m supposed to do with this question ( Evaluate: log125^5) ?

Juliette [100K]

Step-by-step explanation:

$log_{125} \: 5 \\ \\= \frac{log \: 5 }{log \: {125}} \\(By \: change\:of \:base\:law) \\\\ = \frac{log \: 5 }{log \: { {5}^{3} }} \\ \\ = \frac{log \: 5 }{3 \: log \: { {5}}} \\ \\ = \frac{1}{3} \\ \\ \huge \red { \boxed{ \therefore \: log_{125} \: 5 = \frac{1}{3}}}$

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4 years ago

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Walt is mixing fruit punch for a party. He combines 1 gallon 2 quarts 3 pints of orange juice, 1 gallon 3 quarts 7 pints of pine

Naya [18.7K]

The answer is C. 6 gal. 2 qt. 1pt
there are already three gallons so
1 gal + 1 gal + 1 gal = 3 gal
1 gal = 4q
2 q + 3q + 3q = 8q = 2 gal
1 gal = 8p
3p + 7p + 3p = 13p - 8p = 5p
2p = 1q
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Hope it helps

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4 years ago

8 poin

olganol [36]

Answer:

The correct answer is option C.$35.70

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3 years ago

What Is The Mass, Volume, Density

m_a_m_a [10]

Answer:

The volume is the amount of space an object takes up.

The mass is the measure of how much matter in a object.

The density is the mass <em>divided </em><em>by</em> volume.

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3 years ago

Battery lifetime is normally distributed for large samples. The mean lifetime is 500 days and the standard deviation is 61 days.

Oxana [17]

Answer:

16% of batteries have lifetimes longer than 561 days.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 500, \sigma = 61$