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3 years ago

Find the length of the altitude drawn to the hypotenuse.the triangle is not drawn to scale

Mathematics

1 answer:

Marrrta [24]3 years ago

6 0

Answer:

4√5

Step-by-step explanation:

Let's call it x

According to Euclidean theorem x^2 = 5×16

x^2= 80 and

x = 4√5

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Is pi 3.14159265358979?

k0ka [10]

I believe so! Hope this helps

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3 years ago

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So the problem I got was "Ben is splitting 2 quarts of icecream with 9 members of the team. If the icecream is split evenly how

posledela

Answer:

8/9 of a cup

Step-by-step explanation:

8 cups of icecream to be divided among 9 people, so they can't have full cups.

Each person will get 8/9 of a cup

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3 years ago

What is the length of a diagonal of a cube with a side length of 8 inches?

sashaice [31]

Answer:

13.9 inches

Step-by-step explanation:

Let the length of diagonal of cube be d inches.

$\therefore \: d = length \: of \: side \sqrt{3} \\ \hspace{16 pt} = 8 \sqrt{3} \\ \hspace{16 pt} =8 \times 1.73205081 \\ \hspace{16 pt} = 13.8564065 \\ \huge \red{ \boxed{\therefore \: d = 13.9 \: inches }}\\$

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3 years ago

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Find the critical value needed to construct a 95% CI of a population mean with an unknown standard deviation and a sample size o

kaheart [24]

Answer:

$t_{\alpha/2}=-2.02, t_{1-\alpha/2}=2.02$

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

In order to find the critical value we need to take in count that we are finding the critical value for the population mean and without the standard deviation, so on this case we need to use the t distribution. Since our interval is at 95% of confidence, our significance level would be given by $\alpha=1-0.95=0.05$ and $\alpha/2 =0.025$ . We need to calculate the degrees of freedom are given by:

$df=n-1=39-1=38$

We can find the critical value using the following excel codes:

"=T.INV(0.025;38)" or "T.INV(1-0.025;38)"

And the critical values would be given by:

$t_{\alpha/2}=-2.02, t_{1-\alpha/2}=2.02$

7 0

3 years ago

If Tonya bought 1/6 pounds of bologna and 3/8 pounds of ham and 2/4 pound turkey and that cost $5.99 what is the total number of

elena55 [62]

Answer:

25/24 pounds of total meat processed.

Step-by-step explanation:

We have been given pounds of bologna and 3/8 pounds of ham and 2/4 pound turkey

And we need to find the total number of pounds of meat processed.

The total number will be calculated by finding their sum of all the meats which is

1/6+3/8+2/4

Taking LCM of (6,8,4)=24 hence, we get:

1/6+3/8+2/4= 25/24

8 0

3 years ago