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3 years ago

What are the factors of 36 and 90?

Mathematics

1 answer:

azamat3 years ago

7 0

1,2,3,4,6 and 9 are all factors of 36 and 90

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7nadin3 [17]

Answer:

the relationship between a prism and a pyramid with equal bases and heights is the volume of the prism is three times the volume of the pyramid.

Step-by-step explanation:

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3 years ago

The standard IQ test is designed so that the mean is 100100 and the standard deviation is 1515 for the population of all adults.

Natalija [7]

Answer:

The sample size should be approximately 151.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 100

Population standard deviation, σ = 15

We have to evaluate the sample size, n.

Alpha, α = 0.10

Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.10} = \pm 1.64$

$100 \pm 1.64(\frac{15}{\sqrt{n}} ) = (98,102)$

$100 \pm 1.64(\displaystyle\frac{15}{\sqrt{n}} ) = (98,102)\\\\1.64(\frac{15}{\sqrt{n}} ) = 2\\\\n = 151.29 \approx 151$

Thus, the sample size should be approximately 151.

6 0

3 years ago

Find the value of x ???????????? V

zalisa [80]

Step-by-step explanation:

By using formula of h^2=p^2+b^2

h=20

p=x

b=10

Now,

p=root h^2-b^2

x=root 20^2-10^2

x=root 400-100

x=root 300

x= 10root3

8 0

3 years ago

Got a good one here. For math experts only !

kherson [118]

Answer:

brainliest answer

Step-by-step explanation:

10-2=8 constants

-x+8 simplified

3 0

3 years ago

Find the solution to this equation 9x^2+9x-4=0

mojhsa [17]

Answer:

x= 1/3 , -4/3

Step-by-step explanation:

9x^2 + 9x -4 =0

(3x-1) (3x+4) =0

x= 1/3 , -4/3

4 0

3 years ago