Decrease = New number - Original Number
% Decrease =
× 100
Decrease = 9 - 12 = -3
% Decrease =
= -0.25 × 100 = -25
Your answer =
-25
Answer: 40% of the time the coin came up tails.
Step-by-step explanation:
The coin is tossed 20 times. Of those 20 times, it came up tails 8 times (8/20). 8/20 = 0.4 = 40%
Answer:
Troy is 9.4 miles from his starting point.
Step-by-step explanation:
Using the Pythagorean theorem, we can calculate the straight distance from his start to end point, which would be the hypotenuse. 8 miles due east will be the first leg, A, and 5 miles due north will be the second leg, B. A(8) squared plus B(5) squared = C squared. C would equal 9.43, rounded to the nearest tenth is 9.4
Answer:
9)
1 2/3 ÷ 2 1/4 = 5/3 x 4/9 = 20/27
10)
3 3/5 ÷ 1 3/4 = 18/5 x 4/7 = 72/35