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2 years ago

Calculate the mean of 12, 15, 6, 4, and 3. 2 8 12 40

Mathematics

2 answers:

Alina [70]2 years ago

7 0

Answer:

For 12, 15, 6, and 4 the mean would be 9.3.

For 2, 8, 12, and 40 the mean would be 15.5

If you combine them, 12, 15, 6, 4, 2, 8, 12, and 40 the mean would be 12.4

Step-by-step explanation:

You can find out the mean by adding up all the numbers and then dividing them by the total amount of numbers:

Example(s): 12+15+6+4=37 and 37 / 4 = 9.25, but you would round up, so your answer would be 9.3

2+8+12+40=62 and 62 / 4 = 15.5.

Hope this helps!

Sergio039 [100]2 years ago

6 0

Answer:

12, 15, 6, 4: 9.25

3, 2, 8, 12, 40: 13

Step-by-step explanation:

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What are the factors in the expression 4(5+x)

Daniel [21]

The factors are the parts that are being multiplied together.

4 and (5+x) are the two that are being multiplied and also the expression you get when you factor the distributed expression.

So the factors of 4(5+x) are:

4 and (5+x)

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2 years ago

According to the United States Health and Human Services, the mean height for Americans is 1.757 meters for men and 1.618 meters

Alchen [17]

Answer:

Her z-score is 2.03.

Step-by-step explanation:

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

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

Michelle’s height is 1.758 meters. What is her z-score?

Michelle's is a woman.

The average height of women is $\mu = 1.618$ and the standard deviation is $\sigma = 0.069$

This is Z when X = 1.758. So

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

$Z = \frac{1.758 - 1.618}{0.069}$

$Z = 2.03$

Her z-score is 2.03.

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2 years ago

king's sporting goods have two bikes on sale one cost 89.98 and another cost 99.99 what is difference in the price of these two

timurjin [86]

99.99 minus 89.98 equals 10.01

3 0

2 years ago

Traveling solve 64 less than y is no less than negative 128 give your answers in interval notation

exis [7]

64 less than y = y-64

no less = greater or equal than

negative 128 = -128

y-64 ≥ -128

Add 64 to both sides of the inequality:

y-64+64 ≥ -128+64

y ≥ -64

interval :

[-64,∞)

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6 months ago

Adam’s car traveled 465.3 miles on 16.5 gallons of gas. Which equation can be used to determine the average number of miles that

liq [111]

Answer:

$28.2\frac{miles}{gallon}$

Step-by-step explanation:

we know that

To find the average number of miles that the car traveled on each gallon of gas, divide the total miles by the total gallons of gas

$\frac{465.3}{16.5}\frac{miles}{gallons}=28.2\frac{miles}{gallon}$

7 0

2 years ago

Read 2 more answers