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Mrac [35]
4 years ago
5

How can I find all solutions without unit circle numbers? (ex: sinx= -3/5)

Mathematics
1 answer:
Vladimir [108]4 years ago
4 0
10sinx-6=0
sinx=6/10=3/5, not negative three out of five.
yo use a calculator' sin3/5=sin0.6,  if 0≤x≤2π, x≈37 or 127 (37+90=127, sine is positive in first and second quadrant)
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How to solve 2-step equations
damaskus [11]

Answer/Step-by-step explanation:

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2) Secondly, multiply or divide both sides of the linear equation by the same number.

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6 0
4 years ago
Rondel's parents borrow $5000 from the bank for a new car. The interest rate is 6% per year. How much simple interest will they
sertanlavr [38]

Answer:

600

Step-by-step explanation:

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8 0
3 years ago
Triangle XYZ is reflected across the y-axis, and X = (4, –5). What are the coordinates of X’ ?
Serga [27]

Answer:

Step-by-step explanation:

Anytime a reflection takes place across the y axis, the x value does the changing. It's sign becomes the opposite of what it is now.

In plainer language,

  • the x value = 4
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8 0
3 years ago
What is the sum of the measures of interior angles ofna regular polygon if each exterior angle measures 72°?
WARRIOR [948]
We know that

The exterior angle measures of a polygon must add up to 360°, 

therefore

 360°/72°=5 exterior angles

so

5 exterior angles, would mean 5 interior angles and therefore  5 sides to the polygon

The exterior angle and the interior angle of any polygon are supplementary and must add up to 180°.

exterior angle+interior angle=180°

interior angle=180°-exterior angle

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Each interior angle is 108°

The sum of the interior angles would be 

5*108°=540°

the answer is

540°

5 0
3 years ago
This one of the questions
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Answer:

just get good

Step-by-step explanation:

and u should've paid attention during class

8 0
3 years ago
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