You collected the following data about the colors of dresses at the prom:
2 answers:
<h2>Answer:</h2>
The percentage of the dresses would the sector labeled "Red" include is:
A. 9%
<h2>Step-by-step explanation:</h2>Color Frequency
Red 14
Black 37
Blue 22
White 56
Other 33
Total 162
The percentage of the dresses that would include the sector labeled Red is:
<em>which on rounding to the nearest percent is:</em>
<em> 9%</em>
<em>Hence, the correct answer is: Option: A</em>
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Answer:
Step-by-step explanation:
The unit circle has the parametric equation:
where in our case is the terminal side of the angle in standard position.
We substitute to get:
is the required point.
let's recall that in an isosceles triangle, the twin sides make twin angles at the bottom/base, so on the triangle on the left-side, if the "vertex" atop has an angle of 116°, then the twin sides below are simply 180° - 116 = 64, split that in half and that's 32° each.
The same is true for the isosceles triangle on the right side. Also recall that a flat-line is always 180°, 32 + 72 + 76 = 180.
Check the picture below.
