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3 years ago

Find the factors and the greatest common factor 375,66,333

Mathematics

1 answer:

lyudmila [28]3 years ago

5 0

Answer:

the greatest common factor is 3

Step-by-step explanation:

375: 1, 3, 5,11, 15, 25, 75, 125, 375

66: 1, 2, 3, 6, 11, 22, 33, 66

333: 1, 3, 9, 37, 111, 333

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What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?

statuscvo [17]

Answer:

Step-by-step explanation:

Given that: Training-session duration of female rowers with normal iron status is Normally distributed, with mean 69 minutes and standard deviation 18minutes.

Solution:

z score shows the relationship between sample means. The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by the formula:

$z=\frac{x-\mu}{\sigma}\\\\for\ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} } \\\\where\ \mu=mean,\sigma=standard\ deviation,x=raw\ score$

Given that μ = 69 minutes, σ = 18 minutes, n = 24

For x > 63 minutes:

$z=\frac{x-\mu}{\sigma / \sqrt{n} } =\frac{63-69}{18/\sqrt{24} }=-1.63$

From the distribution table, P(x > 63) = P(z > -1.63) = 1 - P(z < 1.63) = 1 - 0.0516 = 0.9484

7 0

3 years ago

What is 480 divided by 60

Sonbull [250]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

one fruit punch had 40% fruit juice and another is 90% fruit juice. how much of the 40% punch should be mixed with 30 gallons of

sashaice [31]

A = fruit juice 40%

B= 90% juice

then

30 gallons + A = 55• C/100

30 gallons + N • (40/100) = (30 + N)• (55/100)

Now solve this equation, for N

3000 + 40N = (30+N) •55

then

3000 - 1650 = 55N - 40 N = 15N

1350 = 15 N

then

N= 1350/15 = 90

Then answer is

Should be mixed 90 gallons of 40% fruit punch

6 0

1 year ago

The ones digit of a two-digit number is 4 more than the tens digit. Find the number, if the sum of that number and the number re

valkas [14]

Answer:

Step-by-step explanation:

Let the answer be represented by xy where x is the tens digit and y is the ones digit.

The ones digit of a two-digit number is 4 more than the tens digit.

y = x+4

the sum of that number and the number reversed is 110

xy+yx = 110

Lets rewrite this vertically

x y

y x

------

1 1 0

We can replace y with x + 4 I will put the 4's in a separate row up top for ease of writing

4 4

x x

------

1 1 0

Taking the one's column, we get

2x +4 = 0 and I will assume there is a carry of 10

so rewriting

2x+4 = 10

Subtract 4 from each side

2x+4 -4 = 10-4

2x =6

Divide each side by 2

2x/2 = 6/2

x=3

We still need to find y

y = x+4

Substituting in x

y = 3+7

y =7

The number is xy

3 0

3 years ago

There are 2 Senators from each of 50 states. We wish to make a 3-Senator committee in which no two members are from the same sta

andrey2020 [161]

Answer:

156800 Ways

Step-by-step explanation:

Since 3 states can be represented in 19600 ways, -->

now we have 2 ways different from the 1st of the 3 states -->

We can also select in 2 independent ways from the second of the 3 states -->

and 2 ways from the third of the 3 stats

This gives us 2 x 2 x 2 x 19600 or => 8 x 19600 giving us 156800 ways

Thus, we have our answer of 156800 ways

<em>Hope this helps!</em>

3 0

3 years ago

Read 2 more answers