I will leave the answer is B
Answer:
19.11 hours on watching tv and 20.09 hours exercising
Step-by-step explanation:
multiply them by 7
Answer:
Step-by-step explanation:
(13)2−(2x+7)=0
19x2−2x−7=0
9(19x2−2x−7)=9(0)
x2−18x−63=0
(x−21)(x+3)=0
Therefore, the value of x are
x - 21 = 0 and x + 3 = 0
x = 21 x = -3
Answer:
Step-by-step explanation:
56