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pychu [463]
3 years ago
15

Find the exact value of cos 150 degrees and sin 150 degrees

Mathematics
1 answer:
Kruka [31]3 years ago
8 0
Cos and Sin 150
This will be the same as a 30 degree angle only in Quadrant 2.
In Q2, Cosine s negative and Sine is positive.
Cos 150 = (-√3)/2
Sin 150 = 1/2
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!!!HELP AS SOON AS POSSIBLE!!!<br><br> Simplify: -2/9 divided by 3 1/4
ohaa [14]
<h3>Answer: the fraction -8/117</h3>

----------------

First, convert to an improper fraction

3 & 1/4 = 3 + (1/4)

3 & 1/4 = (12/4) + (1/4)

3 & 1/4 = 13/4

The mixed number 3&1/4 turns into the improper fraction 13/4

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-2/9 divided by (3&1/4) = -2/9 divided by 13/4

To divide two fractions, you flip the second one and then you multiply

"-2/9 divided by 13/4" turns into "-2/9 times 4/13" after this happens

Then you multiply straight across. The numerators stick together. The denominators stick together.

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denominators: 9*13 = 117

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6 0
3 years ago
Plss help give brainiest if right!!
Nutka1998 [239]

The expression for the price Samantha paid for the candies is mc/n dollars.

We know that an expression, often known as a mathematical expression, is a finite collection of symbols that are well-formed in accordance with context-dependent principles.

Given that the number of candy that Samantha bought is m.

There are n candies in 1 pound.

i.e. 1 candy in 1/n pounds.

Then m candies in m/n pounds.

Also given that each pound costs c dollars.

So, m/n pound costs (m/n)*c dollars i.e. mc/n dollars.

We can conclude that the expression for the price Samantha paid for the candies is mc/n dollars.

Know more about expressions here -

brainly.com/question/13947055

#SPJ10

4 0
2 years ago
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