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Maths
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Complete the series and explain your answer: 2,4,8,...,...

2,4,8,16,32 The series is multiplying by two every time.

ZT
Answered by Zach T. Maths tutor
2470 Views

Use BIDMAS to find what 2+5+7x3 equals

Going through the checklist: B= Brackets (there are no brackets) I=Indices (there are no powers) D= Division (there is no division) M= Multiplication. we have a times sign in this problem between the 3 an...

ZT
Answered by Zach T. Maths tutor
3603 Views

How and when should I integrate by parts?

Analyse the integral, common functions in which integration by parts is the best method include lnx and polynomials of x multiplied by exponential functions or sine and cosine functions. If this is the ca...

BW
Answered by Benjamin W. Maths tutor
3346 Views

Solve the equation 5(2c - 3) = 19

5(2c - 3) = 19

5x2c - 5x3 = 19

10c - 15 = 19

10c = 19 + 15

10c = 34

c = 34/10 = 3.4

EB
Answered by Eivinas B. Maths tutor
3688 Views

Why do you differentiate in optimisation questions?

When you differentiate a function it is giving you the rate of change of that function for different values of x. After subituting in, if it is positive it tells us that the graph is increasing, if it is ...

SA
Answered by Simon A. Maths tutor
4718 Views

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