A train travels 72 km in 1 hour. What is its speed in m/sec? train speed problem, speed from distance and time, convert km/h to m/s, train motion calculation, velocity from distance and time, calculate train speed given distance and time, train distance per hour in metres per second, how to find speed of a train in m/s from km/h, convert km/h to m/s for a train motion problem, train speed problem with solution steps, find velocity of train travelling distance in time, train speed conversion formula km/h to m/s, solve train speed problem with basic math, real-world example of speed conversion problem, application of distance, time, and speed formula

# Category: Algebra Formula

## If a + b = 3 and a^2 + b^2 = 7, what is a^4 + b^4?

If a + b = 3 and a^2 + b^2 = 7, what is a^4 + b^4?

## Which of the following is a common factor of both x^2 – 4x – 5 and x^2 – 6x – 7?

Which of the following is a common factor of both x^2 – 4x – 5 and x^2 – 6x – 7?

## If a − b = 4 and ab = 21, find the value of a^3 − b^3.

If a − b = 4 and ab = 21, find the value of a^3 − b^3.

## Solve the following equations and find the value of abc? If a + b + c = 6, a^2 + b^2 + c^2 = 14, and a^3 + b^3 + c^3 = 36, then abc is,

Solve the following equations and find the value of abc?

If a + b + c = 6, a^2 + b^2 + c^2 = 14, and a^3 + b^3 + c^3 = 36, then abc is,