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Define x and y if 2x+y=16 and 4x+6y=24

These are a pair of simultaneous equations.First, we can equate two of the coefficients in each equation (let's choose x) by multiplying each equation respectively.With our first equation, multiply it by 2: ...
BH
Answered by Bexi H. • Maths tutor
4044 Views

There are n sweets in a bag. 6 are orange. A random sweet gets eaten, and then a second one. The probability that both sweets are orange is 1/3. Find n.

The probability that the first sweet is orange is 6/n, as 6 of the n number of sweets are orange. After an orange sweet is eaten, there are 5 orange sweets left and n-1 total sweets in the bag. This means th...
JG
Answered by Josh G. • Maths tutor
4047 Views

Evaluate how effectively Vaughn Williams sets text to music on Linden Lea?

In bar 7 Vaughn Williams uses a rising phrase to reflect the text 'shining'. This could be to reflect how the sun rises as it shines in the same way the musical phrase does. This is followed by the phrase 't...
DH
Answered by Daisy H. • Music tutor
9901 Views

How do we factorise?

The general form of factorising is that if we have ab+ac, we can rewrite this as a(b+c). We multiply each statement inside the bracket by a. So we’re effectively ripping out common terms. We are dividing b a...
SV
Answered by Sam V. • Maths tutor
3592 Views

Describe the ways energy can be transmitted through a substance?

Conduction, where particles within a conductor gain energy as they heat up and vibrate more vigorously passing energy onto adjacent particles as they collide. Convection, which only occurs in fluids, as flui...
AL
Answered by Alex L. • Physics tutor
2894 Views