Make a ratio, then cross multiply.
4/30=x/48
30x=4x48
30x=192
x=6.4
A.50*9.8
B.50*1.6
C.45.359237
D.45.3*1.6
Answer:
Step-by-step explanation:
- 4x² - 36x + 81 = 0
- (2x)² - 2*2x*9 + 9² = 0 Identity a² - 2ab + b² = (a - b)²
- (2x - 9)² = 0
- 2x - 9 = 0
- 2x = 9
- x = 4.5
Answer:
y=2/7x+2.5
Step-by-step explanation: