Answer:
28 students
Step-by-step explanation:
30% is equal to .3
40 x .3 equals 12
This means the class has lost 12 students.
40 - 12 is 28.
Another way:
Because the class has lost 30% of it's students, you know that the class is 70% of it's original capacity.
70% is equal to .7
40 x .7 is 28
The answer would be the last one, 10. 18.2 - 7.4 = 10.8.
Here is how to solve it:
<span>Distance1 ÷ (plane velocity + wind velocity) = Distance2 ÷ (plane velocity - wind velocity)</span>800 / (180 + wv) = 640 / (180 - wv)
115,200 +640 wv = 144,000 - 800 wv
1,440 wv = 28,800
wind velocity = 20 mph
Source:
http://www.1728.org/veloccal.htm
The answer is The answer is A!
1. x=91 obtuse
2. x=75 acute
3. x=90 right
4. x=94 obtuse
5. x=48 isosceles
6. x=60 equilateral
