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3 years ago

Find the Least Common Multiple of 15w and 6w^2.

2 answers:

7 0

For this case, we have that by definition, the LCM of two or more natural numbers, is the smallest natural number that is a common multiple of all of them.

Then the LCM of 15 and 6 is the smallest positive integer that divides the numbers 15 and 6 without leaving a residue.

Multiples of each number:

15: 15,30,45 ...

6: 6,12,18,24,30

So, the LCM is $30w ^ 2$

Answer:

$30w ^ 2$

Lina20 [59]3 years ago

3 0

15= 1,3,5,15

6^2= 36

36=1,2,3,4,6....

LCM of 15W and 6W^2=3

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The weights of cars passing over a bridge have a mean of 3,550 pounds and standard deviation of 870 pounds. Assume that the weig

Annette [7]

Answer:

0.24315

Step-by-step explanation:

Using the z score formula to solve this question

z = (x - μ) / σ,

Such that:

x = raw score

μ = population mean

σ = population standard deviation.

From the question:

x = 3000

μ = 3550

σ = 870

z = (3000 - 3550) / 870

z = -550/870

z = -0.6962

Using the z score table as well as probability calculator(as requested in the question to find the z score)

The probability of having less than 3000 is obtained as:

P(x<3000) = 0.24315

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3 years ago

A researcher selects all of the possible samples with n = 8 scores from a population and computes the mean, dividing by n, for e

Nadusha1986 [10]

Answer:

By the Central Limit Theorem, the average value for all of the sample means is 14.

Step-by-step explanation:

We use the central limit theorem to solve this question.

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sample means of size n can be approximated to a normal distribution with mean $\mu$ and standard deviation, which is also called standard error $s = \frac{\sigma}{\sqrt{n}}$

If the population mean is μ = 14, then what is the average value for all of the sample means?

By the Central Limit Theorem, the average value for all of the sample means is 14.

3 0

3 years ago

Can you help me with something

Anna11 [10]

Answer:

D. 1

Step-by-step explanation:

7,491 times 19 yields 142, 329

8 0

2 years ago

Read 2 more answers

The information for two pay as you go cell phone companies is given

Serggg [28]

One company wants $10 per 3.5 hours, so they want 10 / 3.5 ≈ 2,86 dollars per hour (after rounding to the closest hundreths).

Second company wants $1.25 per half an hour, so they want 2 * 1,25 = 2,50 dollars per hour.

The unit rate is 2,86:2,50

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3 years ago

Simplify: [4 + 6 x (5 - 2)] + 8 30 31 24 72

ludmilkaskok [199]

Answer: the answer i got is the 30

Step-by-step explanation:

so first you had to do the parentheses

(5-2)=3

[4+6 multiplied by 3] + 8

[4+18]+8

22+8

=30

6 0

3 years ago

Read 2 more answers