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3 years ago

What is the result when the number 60 is increased by 60%

Mathematics

1 answer:

otez555 [7]3 years ago

7 0

Answer:

Step-by-step explanation:

A quick but accurate way to approach this question would be to multiply 60 by 1.60. We get 1.60(60) = 96.

Note that 1(60) = 60, and that 0.60(60) = 36, and that 60 + 36 = 96. The earlier method is faster.

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(A WORK PROBLEM) A question is the following: "A clerk is assigned a job that she can complete in 8 hours. After she has been wo

KiRa [710]

Answer:

8 Hours

Step-by-step explanation:

Well, it normally takes her 8 hours but you subtract 2 hours now. So she works for 6 hours and the other clerk 10.

6+10=16

Then you divide 16 by two because you are dividing the amount of work they must complete.

16/2=8

I believe it will take them a total of 8 hours.

5 0

3 years ago

According to a recent study of 7335 young people in the US, 30% had been arrested for a crime other than a traffic violation by

victus00 [196]

Answer:

a) Statistic.

b) The population proportion is expected to be between 0.29 and 0.31 with a 94% degree of confidence.

Step-by-step explanation:

a) The proportion of 30% is a statistic, as it is a value that summarizes data only from the sample taken in the study from USA Today. Other samples may yield different proportions.

b) We can use the statistic to estimate a confidence interval for the parameter of the population.

The standard error for the proportion is calculated as:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{N}}=\sqrt{\dfrac{0.3\cdot 0.7}{7335}}=\sqrt{2.83\cdot10^5}= 0.00535$

The margin of error is 0.01. We can use this value to determine the level of confidence that represents.

The formula for the margin of error is:

$E=z\cdot \sigma_p=0.01\\\\z\cdot 0.0535=0.01\\\\z=1.87$

This z-value, according to the the standard normal distribution, corresponds to a confidence interval of 94%.

The interval for this margin of error is:

$p-E\leq \pi \leq p+E\\\\0.30-0.01\leq \pi \leq 0.30+0.01\\\\0.29\leq \pi \leq 0.31$

Then, we can conclude that the population proportion is expected to be between 0.29 and 0.31 with a 94% degree of confidence.

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4 years ago

if you subtract the least integer from the greatest integer and divide the difference by 3 the quotient is 5

vodomira [7]

Let a and b be integers and b>a, then we can say:

(b-a)/3=5 now multiply both sides by 3

b-a=15

b=15+a

So there are infinitely many pairs of integers that satisfy the conditions given in the problem. For any value a, b will be 15 units greater.

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3 years ago

The x, which is a letter that stands for or represents an unknown value/number, is called the:

Bess [88]

Answer:

variable

Step-by-step explanation:

that is the textbook definition of variable

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3 years ago

Need help with number 66 plz. Math.

Wittaler [7]