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A plane travels at the speed of 213 miles per hour. Work out an estimate for the number of seconds it takes a plane to travel 1 mile.

There a 60 minutes in one hour.There are 60 seconds in one minute.60 multiplied by 60 is 3600.Therefore the plane travels 213 miles in 3600 seconds.To find out how many seconds it takes the plane to travel 1...
Answered by • Maths tutor
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Factorise and solve (x^2) - 8x + 15 = 0.

Factorise means to put into brackets and solve means to find values of x that make the equation true.We need to find two numbers that multiply to make 15 and add together to make -8. They both need to be neg...
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Answered by Libby C. • Maths tutor
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Factorise the quadratic equation: 3x^2+x-2

3x^2+3x-2x-2 3x(x+1)-2(x+1) (3x-2)(x+1)
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Answered by Peter A. • Maths tutor
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Solve the simultaneous equations x + y = 2 and x^2 + 2y = 12

x+y=2 (1) x 2 +2y=12 (2) As we are dealing with x 2 we’re going to have to use substitution to solve this set of simultaneous equations. From the first equation, we can rearrange to make y the subject: y=2-x...
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Answered by Ayesha K. • Maths tutor
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It would take 120 minutes to fill a swimming pool using water from 5 taps. How many minutes will it take to fill the pool if only 3 taps are used?

It would take 120 minutes to fill a swimming pool using water from 5 taps. How many minutes will it take to fill the pool if only 3 taps are used?Firstly, you need to find how long it would take to fill a po...
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Answered by paige g. • Maths tutor
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