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2 years ago

Students were selected at random in a local high school to see if there was an association between gender and

Mathematics

1 answer:

Assoli18 [71]2 years ago

5 0

<h3>Answer: 53%</h3>

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Explanation:

The question asks "What percent of females participate in extracurricular activities?" This means we only focus on the second column. There are 36 women, and of this total, 19 are in extracurricular activities.

Dividing the two values leads to approximately 19/36 = 0.52777 which rounds to 0.53

Then we move the decimal to the right two spots to get 53%

Roughly 53% of the female students participate in extracurricular activities.

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Find (if possible) the complement and the supplement of each angle. (if not possible, enter impossible.) (a) π 10 complement rad

blagie [28]

In this question, we have to find the complement and supplement of the given angles .

Complementary angles are those angles whose sum is 90 degree and supplementary angles are those angles whose sum is 180 degree.

So to find the complement and supplement angles, we need to subtract the given angles from pi/2 and pi respectively .

$\frac{ \pi}{10}
\\
complement \ angle = \frac{ \pi}{2} - \frac{ \pi}{10} \\ = \frac{4 \pi}{10} = \frac{ 2 \pi}{5}
\\
Supplement \ angle = \pi - \frac{ \pi}{10} = \frac{9 \pi}{10}$

$\frac{9 \pi}{10}
\\
Complement \ angle = \frac{ \pi}{2} - \frac{9 \pi}{10} = \frac{-4 \pi}{10} = -\frac{2 \pi}{5}
\\
Supplement \ angle = \pi - \frac{9 \pi}{10} = \frac{ \pi}{10}$

4 0

3 years ago

Julia and her husband own a coffee shop. They experimented with mixing a City Roast Columbian coffee that cost $7.00 per pound w

Tcecarenko [31]

Answer:

The number of pounds of City Roast Columbian coffee they should buy is 1 and the number of pounds of French Roast Columbian coffee they should buy is 11.

Step-by-step explanation:

Let

x ----> the number of pounds of a City Roast Columbian coffee

y ---> the number of pounds of a French Roast Columbian coffee

we know that

$x+y=12$ -----> equation A

$7x+8.20y=8.10(12)$ ----> equation B

Solve the system of equations by graphing

The solution is the intersection point both graphs

The solution is the point (1,11)

therefore

The number of pounds of City Roast Columbian coffee they should buy is 1 and the number of pounds of French Roast Columbian coffee they should buy is 11.

3 0

3 years ago

Solve: sin2x cosx + cos 2x sin x = √3/2 for 0

artcher [175]

Answer:

$x=\frac{\pi }{9}+\frac{2k\pi }{3} ,\frac{2\pi }{9}+\frac{2k\pi }{3}$

5 0

2 years ago

.A $250 gaming system is discounted by 25%. It was then discounted another 10% because the box was opened by a customer. What is

I am Lyosha [343]

Answer:

If the gaming system was $250 and was discounted by 25%. 25% of 250 would be 62.5. The price dropped to $62.50 but since a customer had opened it, it dropped by other 10% making it only $6.25.

Nice price

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

A baby weighed 7.25 lbs at birth. At the end of 8

iris [78.8K]

Answer:

<em>The baby weighed 14.5 pounds at the end of 8 months</em>

Step-by-step explanation:

<u>Proportions</u>

We know a baby weighed 7.25 pounds at birth.

It's given at the end of 8 months, the baby weighed twice its birth weight.

This means the baby weighed 2*7.25 = 14.5 pounds at the end of 8 months.

The baby weighed 14.5 pounds at the end of 8 months

5 0

2 years ago