(x+1)2-
=it is meant to be (x+1)2
=2(x) + 2(1)
= 2x +2
I think
Answer:
Step-by-step explanation:
a. 19 x 100 = 1900:100
b. 19 x 280 = 5320: 280
c. 19 x 440 = 8360:440
d. 19 x 760 = 14440:760
Simple, just divide the number by the percentage and you get the original number. You can check it by multiplying the original number of 272 by 55% or .55 to get 150.
150/.55 = 272
Answer:
y =1/2
Step-by-step explanation:
solve for ; y
10(1 – 2y) = -5(2Y - 1)
-10(2y-1) +5(2Y - 1) =0
(2y-1)(-10+5) = 0
-5(2y-1) =0
2y-1=0
y = 1/2
There are 20 paper clips in total so
Black probability: 10/20 (50%)
Red probability: 8/20 (40%)
White probability: 2/20 (10%)
