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ruslelena [56]
3 years ago
15

What is the measure of angle A in the triangle below?

Mathematics
1 answer:
laiz [17]3 years ago
5 0
The answer is 30.
You need to use sine here
So:
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2. What is the sample proportion of heads in your sample of 40? Report this value to your teacher.
Alexeev081 [22]

Answer:

\frac{18}{40}=0.45

Though it may vary, it's going closer to 0.5 as long as we enlarge our sample.

Step-by-step explanation:

1) Since a coin has heads and tails, then a sample proportion of 40 we can simulate it using some applets.

2) Here are the most common outcomes, as long as we continue on flipping coins.

\frac{18}{40}=0.45

If we continue enlarging our sample (80, 120,160...) the probability goes closer to 0.5

This shows: the theoretical probability goes closer and closer to the experimental probability of heads and tails

S_{80}=0.503\\S_{120}=0.50

6 0
3 years ago
Is 19qt bigger than 5gal
agasfer [191]

Answer:

Step-by-step explanation:

No, there are 4 quarts in 1 gallon, so there are

5(4) = 20 quarts in 5 gallons

7 0
2 years ago
Which statement about rational numbers is true?
Ilya [14]

Answer:

im not to good at math but im pretty sure that its 1. all rational numbers ae fractions

Step-by-step explanation:

6 0
3 years ago
Is this a function or not​
Marta_Voda [28]

Answer:

No, I don't think so.

Step-by-step explanation:

I don't think this is a function because the triangle is made of multiple points. Some of these points share the same <em>x</em> point, so this concludes that a triangle on a graph is not a function.

Hope it helps!

3 0
2 years ago
There are 5280 feet in a mile. What fraction is represented by 240 feet?
Sauron [17]

The fraction would be the portion over the total:

240 / 5280

Divide both top and bottom by 240 and the fraction simplifies to 1/22

The answer is 1/22

7 0
3 years ago
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