Answer:
t = 1.5 hours
Step-by-step explanation:
Given that,
A man walk for 2hr at 6 km/h.
He then cycled for a certain time at 16 km/h.
He travelled 36 km all together.
We need to find for how many hours did he cycle.
Distance walked in 2 hours = 2×6 = 12 km
Distance he cycled = 36-12 = 24 km
Let he cycled for t hours. So,
So, he cycles for 1.5 hours.
Answer:
Step-by-step explanation:
to solve this problem we can use the Pythagorean theorem
UT and TL are the legs, while LU is the hypotenuse
We have to find LU so we can proceed like this
x^2 + (x+1)^2 = LU^2
x^2 + x^2 + 1 + 2x = LU^2
2x^2 + 2x + 1 = LU^2
LU = +/-
we have to take only the positive value because a length can’t be negative.
2x^2 + 2x + 1 is positive for every value of x, so the final answer is