answer:
10 students play chess and sudoku,
30*2/5 is 12, out of 12; the number of students that play chess,5/6 play sudoku.
So..12*5/6 is 10 and that is the number of students that play both sudoku and chess.
Step-by-step explanation:
Answer:
B. -20
Step-by-step explanation:
8/d = -12/30
We can use cross products to solve
8 * 30 = d* -12
240 = -12 d
Divide each side by -12
240/-12 = -12d/-12
-20 = d
Answer:
Step-by-step explanation:
0
< 0
x^2-2x+1<1
(x-1)^2<1
-1<x-1<1
0<x<2
The used a calculator and the answer is 11.75
Canada is 24 in a ratio of 1:8