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4 years ago

12

Type the correct answer in each box. If necessary, use / for the fraction bar(s). In this triangle, the product of sin B and tan

C is __ , and the product of sin C and tan B is ___ .

1 answer:

Alenkinab [10]4 years ago

6 0

Answer:

sinB is eaual to tanC

Step-by-step explanation:

what ever you get for sinB, tanC will always be equal to it

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The ages of 11 students enrolled in an on-line macroeconomics course are given in the following steam-and-leaf display:

blsea [12.9K]

Answer:

The standard deviation of the age distribution is 6.2899 years.

Step-by-step explanation:

The formula to compute the standard deviation is:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

The data provided is:

X = {19, 19, 21, 25, 25, 28, 29, 30, 31, 32, 40}

Compute the mean of the data as follows:

$\bar x=\frac{1}{n}\sum\limits^{n}_{i=1}{x_{i}}$

$=\frac{1}{11}\times [19+19+21+...+40]\\\\=\frac{299}{11}\\\\=27.182$

Compute the standard deviation as follows:

$SD=\sqrt{\frac{1}{n}\sum\limits^{n}_{i=1}{(x_{i}-\bar x)^{2}}}$

$=\sqrt{\frac{1}{11-1}\times [(19-27.182)^{2}+(19-27.182)^{2}+...+(40-27.182)^{2}]}}\\\\=\sqrt{\frac{395.6364}{10}}\\\\=6.28996\\\\\approx 6.2899$

Thus, the standard deviation of the age distribution is 6.2899 years.

7 0

3 years ago

There are 15 kittens at the animal shelter, and i want to adopt 2 of them. How many different pairs of 2 are there?

Juli2301 [7.4K]

7

Hope this helped hope you have a good day

8 0

3 years ago

-4/5 + 1/2m = -1/5<br> Can someone plz tell me answer?

Fynjy0 [20]

Answer:

M = 1.2

Step-by-step explanation:

4 0

3 years ago

Can someone tell me what is 6=2(y+2)

tatuchka [14]

Distribute the 2 through the parentheses

on the right side of the equation.

2(y) is 2y and 2(2) is 4.

So the problem now reads 6 = 2y + 4.

Now we can subtract 4 from both

sides of the equation to get 2 = 2y.

Now divide both sides of the

equation by 2 and <em>1 = y</em>.

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3 years ago

Read 2 more answers

In an A-frame house, the two congruent sides each form a 76° angle with the ground. What is the angle formed at the peak by the

Doss [256]

28 degrees is the answer , 76+76= 152, 180-152+ 28

5 0

3 years ago