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Can you solve the following 2 simultaneous equations; y=6x-2 and x^2-4x+19=y?

y=6x-2 x 2 -4x+19 Both equations are equal to Y, hence can be substituted into each other; 6x-2= x^2-4x+19 Now we only have X terms in our equations Bring all the like X terms together, and make equation equ...
MC
Answered by Mohammed C. • Maths tutor
7359 Views

Sasha has a bag containing 12 red beads, and 8 blue beads. She draws one bead from the bag at random. What is the probability that it is blue?

There are 12 + 8 = 20 beads in the bag in total.If sasha draws a bead at random then she has 8 chances out of 20 possible beads that the bead is blue. So the probability that the bead is blue is 8/20 = 2/5
AW
Answered by Alexander W. • Maths tutor
8576 Views

How to solve a simple simultaneous equation

Solving simultaneous equations: Example Question: Equation 1 ---> 2y – 4x = 2Equation 2 ---> 4y – 6x = 10 Find the unknown quantities, x and y. Solution: Step 1: Firstly check whether there are more th...
NK
Answered by Nivedah K. • Maths tutor
5747 Views

What is compound interest and how do I calculate it?

Compound interest means, for example, the money you have put into a bank, earns interest each year, but you earn interest upon the interest that was already added last year i.e. you earn interest on the new ...
RF
Answered by Rocio F. • Maths tutor
12134 Views

How do you find the mean of 5 values?

As a general rule of thumb, to find the mean of a given set of numbers: add up all the numbers youve been given and divide by the number of values you have. e.g. Find the mean of these values: 5, 10, 8, 9, 2...
OP
Answered by Olivia P. • Maths tutor
32789 Views