x² - x - 12 = 0
a = 1, b = -1, c = -12
x = 4 or -3
Answer: 4 or -3
5 + 0.55x = 10 + 0.75x pls help and explain
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
Let X is the number of cards Kenny has
Let Y is the number of cards Lee has
1. Kenny had 5/7 more trading cards than lee, it means
X = Y + 5/7X (1)
2. After Kenny collected 50% more trading cards, he had 220 more trading cards than lee, it means:
X + 50%X = Y + 220 (2)
So, we solve the 2 equations to find out X and Y
<=> X = and Y =
<=> X ≈181 and Y ≈ 52
Answer:
132 square feet
Step-by-step explanation:
a+b/2*h
20+24/2*6=132
