Answer:
4 hours
Step-by-step explanation:
Write an equation
19 +1.5x < 15+2.75x
Subtarct 15 on both sides
4+1.5x<2.75x
subtract 1.5x on both sides
4< 1.25x
Divide 1.25 on each side
3.2<X
Since they on,y charge per hour so 4 hours
Country music : $ 12
rock music : 2/3 * 12 = 24/3 = $ 8
platinum : 2 * 8 = $ 16
the total cost is : (12 + 8 + 16) = $ 36
the hidden question ??
Answer:
27
Step-by-step explanation:
19+22+46+24+37+16+19+33=216
216/8=27
A) (-2)² ≠ -4 is your answer
Explanation:
(-2)² = (-2)(-2)
(-2) x (-2) = 4
∴ A) (-2)² ≠ -4
hope this helps