7 is 1/4 of 28, so 7 is 25% of 28.
The drop from 28 to 7 is a drop of 21.
21 is 3 times 7, so 21 is 3 times 25%.
Answer: It is a 75% decrease.
M^2 - 2mn + n^2
(-2)^2 -2(-2)(4) + 4^2
4 + 16 + 16
36
Probability of getting heads: 1/2
Probability to get 2 heads out of three tries is: 1/8
Work: 1/2 x 1/2 x 1/2 = 1/8
Answer:
2 and 5 hundredths
Step-by-step explanation:
3 - 1 = 2
14 hundredths - 9 hundredths = 5 hundredths
hence you get 2 and 5 hundredths
Answer:
Step-by-step explanation:
the number is 1300 if we have 40% from it will give us 520