Answer:
It's 37. B 38. B 39. C 40. A
Step-by-step explanation:
Answer:
5050
Step-by-step explanation:
S=n*(n+1) / 2
S=100 * (100+1) /2 = 50 * 101 = 5050
Answer
1. 90% 2. 10%
Step-by-step explanation:
50 /10=5 which means that 5 people equal 1 percent
45/50=.9
.9*100=90 which is the percent of right handed people
The width of the enlarged photo is 9 inches.
Given:
Original length = 2 inches
Original width = 1 inch
Extended length = 18 inches
Extended width = ?
2:1 = 18:x
2x = 1*18
2x = 18
2x/2 = 18/2
x = 9 * extended width.
to check:
2:1 = 18:9
2*9 = 1*18
18 = 18
Answer:
-1/5
Step-by-step explanation:
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