What is one third of 100

Mathematics

1 answer:

Svet_ta [14]3 years ago

6 0

33 1/3 because it if you times it by 3, you get 100

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4. A woman is standing 30 feet away from a street light that is six feet taller than three times the height

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The length of her is 5.5ft

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3 years ago

Malcolm has $638.54 in his checking account. He must maintain a $500 balance to avoid a fee. He wrote a check for $159.50 today.

lubasha [3.4K]

Let any variable such as x represent the least amount of money that Malcolm needs to deposit. His balance from his checking account is $638.54. Subtract $159.50 from this amount.

With the condition that he must maintain $500, the inequality becomes,

(638.54 - 159.50) + x ≥ 500

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x ≥ 20.96

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A study finds that the number of gallons of water used each month per household in a

Mashcka [7]

Answer:

0.5793 = 57.93% probability that the household uses 480 gallons of water or less per month

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 470 gallons and standard deviation of 50 gallons.

This means that $\mu = 470, \sigma = 50$