Top answers

Annie, Brandon and Clara are buying pencils. Annie needs 5, Brandon needs 8 and Clara needs 13. Pencils only come in packs of 10. How many packs of pencils do they need to buy between them?

Since Annie needs 5 pencils, Brandon needs 8 pencils and Clara needs 13 pencils, the total number of pencils they need between them is 5 + 8 + 13 = 26. However, pencils only come in packs of 10, which means ...
KP
Answered by Kate P. • Maths tutor
2900 Views

In a sale, an item originally worth £140 is reduced by 15%. What is the new price of the item ?

100-15=85 85/100 x 140 = 11900/100 = £ 119
HS
Answered by Harri S. • Maths tutor
3712 Views

(2x+3)^2

=4x^2+12x+9
MA
Answered by Mohammed A. • Maths tutor
3646 Views

Express 5/(2-sqrt(3)) in the form a + b*sqrt(3)

The first step that needs to be taken is to get rid of the square root from the denominator. This can be done by multiplying the top and bottom of the fraction by 2 + sqrt(3). This gives (10 + 5 sqrt(3))/(4-...
GV
Answered by Guy V. • Maths tutor
12421 Views

differentiate y=8x^3 - 4*x^(1/2) + (3x^2 + 2)/x

y= 24x^2 - 2x^(-1/2) + 3 - 2x^-2
AM
Answered by Abubakar M. • Maths tutor
6757 Views