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tatiyna
3 years ago
13

Factor each completely

Mathematics
1 answer:
avanturin [10]3 years ago
3 0
K^2-5k-50
(k-10)(k+5)

This is because k*k=k^2 (your first term), 5k-10k=-5k (your second term) and -10*5=-50 (your last term).

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3 years ago
For which value of theta is cot (theta) undefined?
sattari [20]

The cotangent function is defined as the ratio between cosine and sine of a given angle, i.e.


\cot(x) = \frac{\cos(x)}{\sin(x)}


Since you can't have zero at the denominator, the cotangent function is not defined when the sine is zero.


Let's look at your option:


\sin(90^\circ) = 1, so the cotangent is defined here


\sin(180^\circ) = 0, so the cotangent is not defined here


\sin(270^\circ) = -1, so the cotangent is defined here


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6 0
3 years ago
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DanielleElmas [232]

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Step-by-step explanation:

BEACAUSE IT WAS FROM USA TEST PREP AND GOT IT RIGHT

4 0
3 years ago
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2/3 - 4x + 7/2 = -9x + 5/6 apply the properties.. step by step
Nutka1998 [239]

Answer:

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Step-by-step explanation:

2/3+7/2=9x+5/6+4x

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4/6+21/6-5/6=9x+4x

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It is true hope this helped
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