Answer:
I think it is 8! Sorry if it's wrong!
Percents is a number out of 100. So basically what you’re going to do here is add up the percents. 40+20+10. Add that up and you get 70. You then subtract 70 from 100. You get 30. So the percentage of red pens is 30%.
Answer:
Step-by-step explanation:
Recall the trigonometric identity .
Therefore, given , rewrite the left side of the equation:
Subtract from both sides:
Factor out from both terms on the left:
We now have two cases:
Since the problem stipulates that is in the interval , we have:
Recall that square brackets mean inclusive and parentheses mean exclusive. Therefore, .
Answer:
22 (4th option)
Step-by-step explanation:
The side lengths are useless.
Pay attention to the angles.
<QRP=68 degrees.
Vertical angles make it so <SRT=68
180-90(right angle)-68=22 degrees
Answer:
The answer is 137.5 percent.