Answer:
im pretty sure the answer is (k-w)/v = x
3/5 of the ride = 15 km
1/5 of the ride = 15 ÷ 3 = 5km
5/5 of the ride = 5 x 5 = 25km
Answer: the ride is 25km
" the difference " means subtract
the difference of twice a number and 3...
2x - 3 <== ur expression
This would be 45.9
Get a calculator or try long division :-)
The nature of the roots can be determined by the determinant of the equation. The determinant is:
b² - 4ac
If this is positive, there are two roots
If this is 0, there is only one root
If this is negative, there are complex roots