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Sav [38]
2 years ago
15

When to use Sine and Cosine and Tan Laws

Mathematics
1 answer:
Ostrovityanka [42]2 years ago
5 0
'you use sine = opposite/ hypotenuse

you use cosine = adjacent/ hypotenuse

you use tan laws= opposite/adjacent
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Write the sum of 5x2 + 2x - 10 and 2x2 + 6 as a polynomial in standard form.
vaieri [72.5K]

Answer:

7x^2+2x-4

Step-by-step explanation:

a standard form is ax+by=c

5x^2 add 2x^2=7x^2 then -2x but when you have a -10 +6 you get -4 giving you the answer of 7x^2 +2x -4

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3 years ago
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The diameter of a circle is 55 inches.
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tatyana61 [14]

Answer:

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Step-by-step explanation:

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5x^2-7xy-2y^2-4yx+3x+2x
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2 years ago
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Carry out the indicated operations and simplify where possible:
zzz [600]

Answer:

1/8

Step-by-step explanation:

<u>Solving in steps:</u>

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Answer is 1/8

3 0
3 years ago
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