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how do you solve a linear equation where there are unknowns on each side e.g. 4(k + 7) = 12k + 4

In order to solve this equation you want to get all of the unknowns on one side of the equal sign and all of the numbers on the other side. However, before you do this, the first step is to expand the bracke...
MG
Answered by Molly G. • Maths tutor
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Explain why Carbon Dioxide has a linear shape with a bond angle of 180 degrees

Carbon Dioxide consists of 1 carbon atom covalently bonded to two oxygen atoms.Carbon is in group 4 and so has 4 electrons in its outer shell.Carbon shares two pairs of electrons with each of the oxygen atom...
RP
Answered by Richard P. • Chemistry tutor
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How does Fitzgerald create dramatic tension leading up to Gatsby's first appearance in 'The Great Gatsby'?

Fitzgerald uses structure to successfully create dramatic tension leading up to Gatsby's first appearance, creating intense mystery around our central character. The first two chapters are utilised for this,...
CR
Answered by Cameron R. • English tutor
10429 Views

rearrange the equation y=7x-3 to make x the subject

The first step would be to have the x's on their own so add three to both sides so the equation goes from y=7x-3 to y+3=7x. The current subject is 7x= we need x= so both sides need to be divided by 7. This l...
SG
Answered by Sam G. • Maths tutor
11821 Views

Describe the forces acting on a skydiver over time, from the moment she jumps out of the plane until hitting the ground and the effect this has on her velocity. What happens when she opens her parachute?

When the skydiver first steps out of the plane, she accelerates downwards at a high rate. At first the resultant force on her is large since gravity pulls her down, but since she is moving slowly the force f...
SP
Answered by Siobhan P. • Physics tutor
24992 Views