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(x^2+2x+3y)(y+4x)

One day, a person went to horse racing area, Instead of counting the number of human and horses, he instead counted 74 heads and 196 legs. Yet he knew the number of humans and horses there. How did he do it, and how many humans and horses are there?

I have been looking at this question for ages now and just don’t know where to start – could someone please help me?

“The curved part of a doorway is an arc of a circle with radius 500mm and centre C. The height of the doorway to the top of the arc is 2000mm and the vertical edge of the doorway is 1800mm. Calculate the width of the doorway.”

Any help would be great – thanks!

Peter has 25 sweets and Lilian has 55. How many sweets must Peter give Lilian so that Lilian will have 4 times as many sweets as Peter?

Solve by supposing ‘x’ as the number. I need to see what kind of algebraic equation will be formed.

2 11/12 ÷ 1 7/8

Write your answer as a mixed number in its simplest form.

>>>Sorry if the question is difficult to understand; it’s supposed to say 2 and 11 twelths divided by 1 and 7 eighths.

Help please, because this is worth 3 marks in GCSE Exam.. :S

Gwen is making a drink from lemon aid, orange juice and ginger in the ratio 40: 90: 1 .If Gwen has only 4.5 liters of orange juice how much of the other two ingredients does she need to make the drink?

That’s the maths problem I have and I am totally stuck, can anyone help?

I’m in year 10, and in my maths class we’re working on Area problems, however I’ve run into a (metaphorical) brick wall trying to solve one particular problem:

A conical tent has a base radius of two metres, and a height of five metres. Find the slant height, s, to two decimal places.

I tried asking my family, and they all told me to use Pythagoras, but I don’t *actually* know how to use it. Could someone help please?

I have a maths problem i need help on
there is a square, and a circle drawn around it, touching each of the four corners
this is then cut in half so whats left is a half circle with a rectangle
how can i work out the percentage of space which is occupied by the square/rectangle? there are no dimensions given… please help!