Answer:
A) c + CD = 20
B) 6c + 12CD = 192
Multiplying equation A by -6 we get:
A) -6c -6CD = -120
B) 6c + 12 CD = 192
Adding the equations we get
0 + 6 CD = 72
There are 12 CD's and
c + 12 = 20
There are 8 cassettes
Step-by-step explanation:
Answer:
you simplify the fractions then you cross multiply
Step-by-step explanation:
1/2 * 4/2 you multiply 1 and 4 and you get 4/4 which is equal to 1
Answer:
(2x+1)(2x−1)
Step-by-step explanation:
Answer:
x>6
Step-by-step explanation:
3x+12-5x+5<5
-2x+17<5
-2x<-12
x>6
Answer:you multiply them? 0.205x0.234
Step-by-step explanation:
