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Find the length of the longest side in this triangle.

Diagram of triangle with a right angleTwo sides on the right angle = a & b
a² + b² = c²
Therefore, if a = 5 and b = 12: then c = 13.

Answered by Colette M. • Maths tutor

2982 Views

Sarah used to earn 80£ per week, however she was given a 5% pay rise, what are her weekly earnings now?

METHOD 1:Required Formula: Percentage Change(%)=100x(Final value -Initial value)/(Initial value) Percentage Change = 5% (this is positive 5% since Sarah has a price raise, if Sarah had a 5% wage decrease ...

Answered by Jonathan K. • Maths tutor

3692 Views

x = 3t - 4, y = 5 - (6/t), t > 0, find "dy/dx" in terms of t

2t^-2

Answered by Tariq J. • Maths tutor

8286 Views

Work out the number of people in the office.

In an office there are twice as many females as males. 1/4 of the females wear glasses. 3/8 of the males wear glasses. 84 people in the office wear glasses. Work out the number of people in the office.Let...

Answered by Linyu L. • Maths tutor

4300 Views

3/5 of a number is 162. what is the number?

SOLVING ALGEBRAICALLY3/5 of "a number" = 3/5 of "x"3/5 of x is equivalent to (3x)/5(3x)/5 = 162Move the "5" to the other side by multiplying:3x = (162x5) = 810We now have 3x ...

Answered by Fred J. • Maths tutor

3692 Views