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Find the intersection point between the equations y=4x+7 and 3y=12x+21

-Take the second equation and divide all terms by 3.-This gives us two equations set up as "y = mx+C" -Make the equations equal to each other as Y = Y at the point of intersection.-Solve from he...

Answered by Sahil M. • Maths tutor

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Solve the simultaneous equations: 2x + y = 18, x - y = 6

Step 1) 2x + y = 18 (a) Step 2) x - y = 6 (b) Step 3) using (a): y = 18 - 2x (c) Step 4) using (b): y = x - 6 (d) Step 5) Combine (c) and (d): 18 - 2x = x - 6 (e) Step 6) Rearange (e) to find x: 3x = 24 -...

Answered by Gabriel E. • Maths tutor

2658 Views

What is diffusion, and what factors affect it?

Diffusion is the passive movement of particles from an area of high concentration to an area of low concentration. Factors which affect it include

Answered by Umair A. • Biology tutor

4751 Views

What is the importance of ADH while experiencing dehydration?

ADH, short for antiduretic hormone, is produced when the concentration of solutes in blood plasma increases - this is detected by receptors in the brain. ADH is then released into the bloodstream, where i...

Answered by Paulina W. • Biology tutor

2533 Views

What is the mechanics of inspiration during rest and exercise?

During inspiration the diaphragm contracts flattening, and the external intercostal muscles contract pushing out the ribs and sternum. This increases the volume and decreases the pressure within the thora...

Answered by Isabella H. • Physical Education tutor

5686 Views