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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 mana...
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Answered by Rachel T. • Maths tutor
3696 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 x and y are both on the same side. -> ...
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Answered by Gabrielle S. • Maths tutor
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equation(1) h = 3t^2 a) find h when t=5 b)find t when h=108

for part AYou would but the t 2 into brackets , then substitute t=5 to get h=3(5 2 ) using BIDMAS do the 5 2 = 25 so that h=3(25) so you end up with h=75 for part B first you would rearrange the equation to ...
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Answered by Danielle N. • Maths tutor
5504 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 phagocytosis...
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Answered by Omar B. • Biology tutor
4360 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 wi...
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Answered by Islay S. • Spanish tutor
2482 Views