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express 63 as a product of its prime factors

Firstly, it is important to understand what a prime number is. A prime number is one that is only divisible by 1 and itself. Thus, expressing 63 as a product of prime factors means putting it into a form whe...
KG
Answered by Kiesha G. • Maths tutor
28598 Views

What is the square root of 25?

The Answer is +5 or -5. A lot of people make the common mistake of forgetting -5, since two negatives multiplied make a positive.
ZM
Answered by Zahid M. • Maths tutor
4277 Views

The functions f and g are defined by f : x → 2x + ln 2, g : x → e^(2x). Find the composite function gf, sketch its graph and find its range.

Composition of functions is when one function is inside of another function. That is, we replace each occurrence of x found in the outside function with the inside function. In our example, we start by writi...
AS
Answered by Anna S. • Maths tutor
14770 Views

Find stationary points of curve y = x^3+3x-2

y = x^3+3x-2dy/dx = 3x^2-2Stationary points when dy/dx = 00 = 3x^2-22 = 3x^2+-root2 = 3x+-root2/3 = x
CB
Answered by Charlie B. • Maths tutor
4792 Views

Perimeter of isoceles triangle is 24cm. Sides 'x' = x + 3, side 'y' = x + 2, calculate the area

Area isosceles = h b/2 = h y/2Perimeter = 24x+3+x+3+x+2 = 243x + 8 = 243x = 16x = 16/3h^2 = (x+3)^2 - ((x+2)/2)^2h^2 = 56h = 2 root14area = 2root14*(x+2)/2area = 13.719 to 1dp
CB
Answered by Charlie B. • Maths tutor
3287 Views