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Solve this set of linear equation to find x and y: 1. 8x + 2y =48 2. 7x +3y =47

Write out the two equations and label them 1 and 28x + 2y =487x+ 3y= 47The first aim is to get one variable (ie x or y) on both lines to equal each other. The easiest way to do this (keeping the numbers m...

Answered by Rachel T. • Maths tutor

3207 Views

Solve the simultaneous equations: 1) 3x+5y=14 and 2) -3y+10=x

Multiple the second equation through by 3 so that the x is multiplied by the same number in both equations. -> -9y + 30 = 3x
2) Rearrange the equation so that the
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Answered by Gabrielle S. • Maths tutor
4366 Views

equation(1) h = 3t^2 a) find h when t=5 b)find t when h=108

for part AYou would but the t² into brackets , then substitute t=5 to get h=3(5²) using BIDMAS do the 5² = 25 so that h=3(25) so you end up with h=75
for part B fir...

Answered by Danielle N. • Maths tutor

4928 Views

What is the difference between a phagocyte and a lymphocyte?

One of the first cells to respond to an infection will be a phagocyteThese migrate to the pathogen (foreign object with potential to cause disease)They engulf the phagocyte in a process known as phagocyto...

Answered by Omar B. • Biology tutor

3608 Views

how do i know when to use the preterite and when to use the imperfect tense in spanish ?

The imperfect tense and the Preterite tenses are the two main past tenses in Spanish, yet they are used in different situations. The preterite is used to talk about completed events or actions in the past...

Answered by Islay S. • Spanish tutor

2052 Views