# Please can someone explain to me what linear equations are please x?

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Asked by Heidi

Maths π―#### How do you find a surface area of a shape?

It depends on the shape :) Try asking again with a more specific question.

Asked by Kieran

Maths π―#### Using small angle approximations (radians), what does cos(x)-1/xtan(2x) equal to?

In small angle approximations, cos(x) = 1 - x^2/2 and tan(a) = a. So if we substitute in the equation: cos(x)-1/xtan(2x) 1 - (x^2/2) - (1/(x * 2x)) ...

Asked by Ads

Maths π―#### A five sided spinner labelled with sectors p,q,r,s,t is spun 400 times. How do you find the relative...

The relative frequency is given by: Relative frequency = Probability x Number of trials As there are 5 sectors, the probability of obtaining any out...

Asked by Kelsey

Maths π―#### Whats 5867899 times 46268990?

271,501,760,152,010. It's a pretty big number!

Asked by Alfred

Maths π―#### Tom and Ben working together can finish a piece of work in 3 days. Tom can finish it alone in 4 days...

This scenario can be written as a simultaneous equation. If we write Tom's output per day as T and Ben's output per day as B. If we know Tom does hi...

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