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v = u + at, u = 1 a = -3 t = 1/2, Work out the value of v.

Sub the values you have been given into the formula provided.v = u +atv = 1 + (-3 x 1/2)Solve the equation you have created, be careful to stick to rules of BIDMAS (or BODMAS)and do the calculation in the br...
OR
Answered by Olivia R. • Maths tutor
16556 Views

There are only 7 blue pens, 4 green pens and 6 red pens in a box. One pen is taken at random from the box. Write down the probability that this pen is blue.

First calculate the total number of pens in the bag by adding together the amounts of each different colour.7+4+6=17Since there are 7 blue pens to chose from out of a possible 17, the probability of choosing...
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Answered by Olivia R. • Maths tutor
7871 Views

Jenny has 3 stacks of coins - A B and C. Altogether the coins equal £1.30. Stack B has 3 times as much money has Stack A. Stack C has 2 times as much money as Stack B. How much money is in Pile C?

3 Stacks of coins - A B CAltogether the stacks add up to 130 pence (let's work in pence so its not too confusing). So, A+B+C=130pStack B has 3 times as much money has Stack A. So B = 3AStack C has 2 times as...
MK
Answered by Mayurey K. • Maths tutor
3257 Views

1: x = 2, 2: y = x + 5 -> Solve this pair of simultaneous equations.

A set of simultaneous equations most commonly represents two lines on a graph, or perhaps a circle, with a line running through it. When you solve a set of simultaneous equations, its important to remember t...
EB
Answered by Eddie B. • Maths tutor
3404 Views

Write down the vector equation of the line l through the point (1,-1,2) and parallel to the vector 2i + 4k

Firstly, you need to see what is being asked to do. You need to find a vector equation of a line.Remember that the vector equation of a line is represented as r = a + λb.r is any point on the line, a is a sp...
CM
Answered by Clare M. • Maths tutor
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