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3 years ago

What is the greatest common factor and least common multiple of 4 and 10?

Mathematics

1 answer:

rusak2 [61]3 years ago

3 0

Answer:

The greatest common factor of 4 and 10 is 2, and the Least common multiple of 4 and 10 is 20

Step-by-step explanation:

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A quality control expert at LIFE batteries wants to test their new batteries. The design engineer claims they have a variance of

emmainna [20.7K]

Answer:

$z = \frac{981.7 -997}{\frac{62}{\sqrt{73}}}= -2.108$

And we can use the normal standard distribution table or excel and with the complement ruler we got:

$P(z>-2.108) =1- P(z$

Step-by-step explanation:

We know the following info given:

$\mu = 997$ represent the true mean

$\sigma = \sqrt{3844}= 62$ represent the population deviation

$n = 73$ represent the sample size selected

Since the sample size is large enough (n>30) we can use the central limit theorem and the sample mean would have the following distribution:

$\bar X \sim N (\mu, \frac{\sigma}{\sqrt{n}})$

And for this case we want to find this probability:

$P(\bar X >981.7)$

And we can use the z score formula given by:

$z= \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

And replacing we got:

$z = \frac{981.7 -997}{\frac{62}{\sqrt{73}}}= -2.108$

And we can use the normal standard distribution table or excel and with the complement ruler we got:

$P(z>-2.108) =1- P(z$

3 0

3 years ago

Betsy and 3 of her friends are splitting a whole watermelon. There are 6 circular slices of watermelon. How many slices of water

ycow [4]

So you are going to do 3 divided by 6

6 0

3 years ago

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Alain throws a stone off a bridge into a river below. The stone's height (in meters above the water), xxx seconds after Alain th

Naya [18.7K]

For this case we have the following function:
$h (x) = - 5x ^ 2 + 10x + 15
$
By the time the stone is thrown, x = 0.
We must evaluate this value of x in the function.
We have then:
$h (0) = - 5 (0) ^ 2 + 10 (0) +15

h (0) = 0 + 0 + 15

h (0) = 15 meters$
Answer:
The height of the stone at the time is thrown is given by:
h (0) = 15 meters

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3 years ago

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7 (x + 3) - 3(4x + 9) = 14

Paul [167]

Answer:

-4

Step-by-step explanation:

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3 years ago

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What term best describes the graph of y=-2