Answer:
-4
Step-by-step explanation:
first remove the parentheses
5-4-7+2
then calculate the sum or difference
-4
Answer:
2(m + n)
Step-by-step explanation:
Number of boys = m
Number of girls = n
Number of balloons carried by each = 2
Expression to represent the total number of balloons carried :
Number of balloons carried by each(Number of girls + number of boys)
2(m + n)
First letter can be 1 out of 26
Second letter can be 1 out of 25
Third letter can be 1 out of 24
Each number can be 1 out of 10
Total combinations: 26 x 25 x 24 x 10 x 10 x 10 = 15,600,000
Answer: y2/10
Step-by-step explanation:
Answer:
180 in2
Step-by-step explanation:
surface areas of similar solids are proportional to the square of their corresponding sides
area of larger/90 = 10^2/5^2
area of larger = 90(100/25) = 180 in^2
