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Sunita has 75 pens and she ties them into bundles of 8. How many pens does she have left over?

We can work the remainder by using division, and one of the most common methods to use is long division. (Here I would present the method on a whiteboard)

As we can see, the closest multiple of 8 t...

Answered by Melanie U. • Maths tutor

3677 Views

How many thirds are there in 9?

It is crucial to know that three thirds make up 1.

If there are 9 lots of 1, then we would need 9 times the amount of thirds that make up 1.

Therefore, there are (9 x 3) thirds in 9, which e...

Answered by Melanie U. • Maths tutor

4128 Views

Use BIDMAS to find what 2+5+7x3 equals

Going through the checklist: B= Brackets (there are no brackets) I=Indices (there are no powers) D= Division (there is no division) M= Multiplication. we have a times sign in this problem between the 3 an...

Answered by Zach T. • Maths tutor

3552 Views

The point p lies on the curve with eqn x = (4y - sin(2y)^2, given that p has coordinates (p,π/2), p is a constant, a) find the exact value of p; the tangent to the curve at P cuts the y-axis at A, b) use calculus to find the coordinates of A.

a) Sub y= π/2 into equation, hence x coordinate is 4π^2 b) to find equation of the tangent, differentiate the equation using the chain rule (wrt y) and then substitute the coordinates of p into the differ...

Answered by Mar O. • Maths tutor

9223 Views

An Island on a map is measured to be 4cm across. The scale of the map is 4cm to 500m. How long is the island in km?

The island is 2km. If the scale is 1cm:500m we need to multiply both left and right sides by 4 to get to the 4cm that was measured. This gets us 4cm: 2000m . We now need to convert 2000m to km which gives...

Answered by David T. • Maths tutor

3225 Views