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sergij07 [2.7K]
3 years ago
11

Using the sum or difference formulas,how do we find the exact value of sin (285°)?

Mathematics
1 answer:
Semenov [28]3 years ago
6 0
See attachment for the answer:

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Error Analysis: Describe the error in the way the difference of the two polynomials is set up and/or
maria [59]

Answer:

  The distributive property is not properly applied to the second polynomial.

Step-by-step explanation:

For whatever reason, it is a common mistake to say that ...

  -(a +b +c) = -a +b +c . . . . WRONG!

Rather, it should be ...

  -(a +b +c) = -a -b -c . . . . CORRECT

6 0
3 years ago
Need to keep cell bill under 60.,monthly charge is 30. And texts are 0.05 each. Write an inequality to represent the # of texts
nignag [31]

Answer:

30 + 0.05x < 60

The number of texts she can have is less than 600.

Step-by-step explanation:

Total monthly charge

30 + 0.05 for each text.

So, for x tests, the charge is:

C(x) = 30 + 0.05x

Write an inequality to represent the # of texts she can have?

It has to be under 60, so:

C(x) < 60

30 + 0.05x < 60

The solution is:

0.05x < 30

x < \frac{30}{0.05}

x < 600

The number of texts she can have is less than 600.

5 0
2 years ago
What are the age limitations relating to working in your state.
oee [108]
Each state is different. You have to look at your local laws.
8 0
3 years ago
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What is a prediction? A. a conclusion B. another hypothesis C. observed data that does not support the hypothesis D. another pro
adell [148]

Step by step:A prediction is basically an educated guess and if you are looking for the exact word to describe that you would find that hypothesis is the correct way to tell what is a prediction.

Answer:B

3 0
3 years ago
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Not Math, I know, but I'd like your opinion.
Gwar [14]

Answer:

I think that gives remind  us of how pictures lokked back then and because that is what they used back then and it tells me is old

Step-by-step explanation:

7 0
3 years ago
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