Answer:
x=4
Step-by-step explanation:
9x-9=27
Add 9 to each side
9x-9+9=27+9
9x = 36
Divide by 9
9x/9 = 36/9
x = 4
Answer:
40
Step-by-step explanation:
3x^2 + 8x = 2
3x^2 + 8x - 2 = 0
D = b^2+4ac
D = 8^2+4(3)(-2)
D = 64+(-24)
D = 64-24
D = 40
1) C
2) I don't understand the question<span />
Answer:
Step-by-step explanation:
The answer is 4230
Answer:
231 miles
Step-by-step explanation:
If the boat is travelling 287 miles in 287 hours than its one mile per minute. Therefore, in 231 hours, it will go 231 miles.