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The length of a rectangle is x+5 and the width is x+3. Write an equation for the area of the rectangle.

area= width x lengtharea= (x+5) x (x+3)area= (x+5)(x+3)area= x 2 +8x+15
FM
Answered by Francesca M. • Maths tutor
4106 Views

Solve: x/x+4 + 7/x-2 = 1 (Must show working)[4 marks]

(x(x-2) + 7(x+4) )/ (x+4)(x-2) = 1x(x-2) + 7(x+4) = (x+4)(x-2)x^2 -2x +7x +28 = x^2 -2x +4x -8x^2 +5x +28 = x^2 +2x -83x +36 = 03x = -36x x= -12
AM
Answered by Andrzej M. • Maths tutor
7899 Views

Sue has a cow farm. Her cows produced on average 25 litres of milk every day for 55 days. Sue bottles the milk in 1/2 litre bottles. How many bottles will Sue need to bottle all the milk.

First work out the total amount of milk produced by the cows.25x55= 1375Then work out how many bottles Sue needs1375/0.5= 2750Sue needs 2750 bottles
FM
Answered by Francesca M. • Maths tutor
3205 Views

what is the median, mode and mean?

the mean is the average value when you add together all of the numbers in your sample and then divide the result by the amount of numbers in the sample.the mode is the most common number in the sample, the o...
AE
Answered by Amit E. • Maths tutor
2939 Views

Given the equations: x + 3y = 1 and 2x - y = -5, solve for x and y.

Here we have 2 simultaneous equations including the variables x and y. Because we have x in one equation and 2x in another we can approach this in 2 ways. The first method is to obtain 2x in both equations s...
JF
Answered by Jake F. • Maths tutor
6169 Views