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3x+18=14x+2

Firstly you need to re arrange the equation in order to get x's on one side and the numbers on the other side.If you subtract 2 from both sides of the equations, you end up with 3x+16= 14x.Now if you subtrac...
JG
Answered by Jerry G. • Maths tutor
4084 Views

Simplify (a) p^2× p^5 (b) Simplify g^6 ÷ g^4

This question involves indices. To calculate the parts, we need to know some indices rules and what they are. Let's look at b^3 - b is the base number and 3 is the power number which shows how many times b h...
BS
Answered by Bessie S. • Maths tutor
4586 Views

Ben wants to book tickets to see a concert. The price of the ticket is £65. He must also pay a booking fee, which is 15% of the ticket price. Ben has £75, does he have enough money to pay for the ticket and booking fee?

The first step is finding what 15% of 65 is, i.e, calculating the booking fee. This can be done by multiplying 65 by 0.15 (0.15 being what 15% would be, if expressed in decimal form).65 x 0.15 = 9.75.This se...
BF
Answered by Benjamin F. • Maths tutor
3814 Views

If there is a parallel circuit with three branches, each branch with 3 equal LEDs (and a resistor with negligible current flow), and 100mA going through each LED, what is the current flowing from the source?

Current splits up in a parallel circuit inversely proportional to the resistance of each branch; i.e. a branch with very low resistance will get the most current whereas a branch with a comparatively high re...
CM
Answered by Carla M. • Electronics tutor
1959 Views

Explain how a fall in interest rates can affect total spending in the economy.

A fall in interest rate will affect consumption, investment and exports-imports.Firstly as interest rates fall, it becomes cheaper to borrow money and it becomes less profittable to save money, therefore the...
MC
Answered by Maria C. • Economics tutor
2400 Views