-x^2 - 2x - 5=0
-(x^2 + 2x + 1) -4=0
(x +1)^2= -4
=> Impossible. There is no x
Answer:
21a+77b
Step-by-step explanation:
7x3=21
7x11=77
Answer:
<u>500 washes</u>
Step-by-step explanation:
<u>Number of washes</u>
- Total volume / Volume used each time
- 5 L / 10 mL
But remember : 1 L = 1000 mL
- 5000 mL / 10 mL
- <u>500 washes</u>
When two adjacent angles form a straight line, they are called linear pair. They add up to 180.
j + 102 = 180
j = 180 - 102
j = 78
