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Solve the equation, x + 1 = x/2 + 4

The answer should always end with x = …, so we need to rearrange and simplify the equation to solve this.First write out the full equation: x + 1 = x/2 + 4Multiply everything by 2 to remove the fraction: 2x ...
CJ
Answered by Cheyanne J. • Maths tutor
3171 Views

What is the integral of ln x dx

as ln x is not a standard integral given in the formula booklet, but it’s derivative is a standard derivative, you can split ln x into 1 times ln x. This allows you to use the integral product rule method wh...
AL
Answered by Alex L. • Maths tutor
9241 Views

Find the roots of x^3 + 4x^2 - 5x

X=0,-5,1
JW
Answered by Jack W. • Maths tutor
3214 Views

A fair sided spinner has five equal sections numbered 1 to 5, a fair six sided dice has five red faces and one green face. what is the probability of getting an even number and the colour green

The probability on the spinner for each section is 0.2 or written a 2 in 5 ( 1 divided by 5 as it has equal sections) The probability for landing the green side of the dice is 1 in 6 In order to obtain the c...
EC
Answered by Elaine C. • Maths tutor
10120 Views

Solve the following simultaneous equations. 2x + 5y = -4. 7x + y = 19

Simultaneous equations have 2 or more unknowns . This simultaneous equation has 2 unknowns, and 2 equations. This simultaneous equation can be solved using elimination or substitution. Substitution involves ...
AL
Answered by Aisling L. • Maths tutor
4253 Views