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laiz [17]
3 years ago
10

Have to find measure of angle A!! Please help ASAP, I need to show my work!!

Mathematics
1 answer:
klasskru [66]3 years ago
6 0

Answer:

Step-by-step explanation:

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What is the simplified form of the expression?<br> Please hurry I am timed!
OLEGan [10]

Answer:

The answer is the fourth one!

=7c^2d-7c+4d-10

5 0
3 years ago
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A researcher was interested in utilities provided by city governments. The researcher randomly selected 20 counties from a list
DaniilM [7]

Answer:

1. The population of interest is all city goverments in the U.S.

5. The parameter of interest is the proportion of the city goverments in the U.S. that provide electricity to their residents.

Step-by-step explanation:

Hello!

Missing questions:

Which of the following is true? Select all that apply.

  1. The population of interest is all city governments in the U.S.
  2. The population of interest is the 192 cities.
  3. The population of interest is all city governments that provide utilities to their residents.
  4. The population of interest is 6.25%
  5. The parameter of interest is the proportion of the city governments in the U.S. that provide electricity to their residents.
  6. The parameter of interest is 6.25%
  7. The population of interest is the 20 counties.
  8. The parameter of interest is the list of all counties in the U.S.

The objective of this essay is to test utilities provided by city governments, for this a sample of 20 counties was taken then contacted each city of them counting how many of them provided utilities to their residents, finding out that 12 out of 192 cities (6.25%) provided electricity to their residents.

The study variable is:

X: Number of city governments that provide utilities (electricity) to their residents, in a sample of 192.

The population of the study is the city governments in the U.S.

And the parameter of interest is the population proportion of city governments in the U.S. that provide electricity to their residents.

I hope it helps!

4 0
3 years ago
Members of the chess club held a bake sale to raise money. Cupcakes and cookies were sold. Cupcakes were sold for two dollars ea
Gala2k [10]
C 75.00- 1/3 were cookies which is 150 cookies. 150x0.50=75.00
5 0
2 years ago
Mike had thirty seven dollars to spend on eight books. After buying them
lubasha [3.4K]

Answer:4.265

Step-by-step explanation:

Can it be decimal?

3 0
3 years ago
Which data collections show bias? Check all that apply.
V125BC [204]

Answer:

An insurance company polls drivers of sports cars to find their average number of tickets.

Step-by-step explanation:

It’s bias because they’re only polling people with sports cars

7 0
3 years ago
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