Answer:
The answer all together would be 5 minus n.
Step-by-step explanation:
a negative and a positive equals a positive so -1/2 + 1 1/2 would equal 2 and 2 + 3 equals 5. Then, the remaining numbers are 5 and n. The final answer is 5 minus n because n is unknown.
Answer:
18km
Step-by-step explanation:
speed=distance\time taken that's the formula I've used.I hope you'll understand it.
Answer:
(6,-3)= 8 (6,5)= 1
Step-by-step explanation:
I do believe those are what they are dont take my word for it.
X^2 + 8x + 7 = 0
x^2 + 7x + x + 7 = 0
x(x + 7) + 1(x + 7) = 0
(x + 7) (x + 1) = 0
x = -7 or x = -1