Maths

0.5 of a number is 12 what is the number?

This is a typical maths question in a NVR 11+/12+ test, I can help with all the types.

1 tenth of £1.00

please show long division answers

1/4 of km =?m

£20 is shared out between bob and katheryn in the ratio 1:3. what fraction of the £20 does bob get?

24n = 120. What is n?

25c^2+10c+1

2850 ml in litres

2x+5=x^2

3 monkeys ate a total of 25 nuts. Each one ate a different odd number of nuts. How many nuts did each monkey eat?

Seeking an experienced maths tutor (preferably with teaching experience) for A2 maths, WJEC board (C3, C4 and M1). Tutor needs in depth knowledge, importantly to convey and teach the subject in an understandable, friendly and patient manner. To assess particular strengths and weaknesses and to help raise confidence and exam technique.

Regards ZH

Regards

Carlos is ten years older than Jose. Five years ago Carlos was three times as old as Jose. How old is Jose now? here's what i have so far: jose=j carlos=10+j

five years ago carlos would be: (10+j)-5? i'm not sure if i'm doing this correctly. please help.

amul and kim have £10.70 between them. amul has £3.70 more than kim. how much does each have

working out!

An empty carton weighs 750 grams. Packet of crisps weigh 27 grams each. calculate the total weight (in grams) of a carton filled with 24 packets of crisps

can you please tell me how to work out all types of angles like z and f angles etc at a level f basis

Can someone please help me?

3/12 =4 so divide 3788 by answer im guessing

x1/2(3x+x^-2)

AP and GP

MY HW IS SPECIAL PROBLEM A: https://docs.google.c...1faeT98vX9IsJnbUG8-w

Can someone use babby steps to help me get through this? I plotted the data. I have the years in list 1 and minimum salary is list 2 and average in list 3 except i put 0 for NA. thank you in advance

A veterinarian needs 60 pounds of dog food that is 15% protein. He will combine a beef mix that is 18% protein with a bacon mix that is 9% protein. How many pounds of each does he need to make the 15% protein mix. Define your variables and write a system of equations to solve.

I have seen questions before in GCSE papers that talk about expressing an answer to an appropriate degree of accuracy. What does that mean and how do I get the right answer?

how do you work out area of a triangle?

how do i find the area of a circle? 😛

the length is 8 and the width is 1.5 can you help me

A circle of diameter of 30cm, enclose in a square of 30cm x 30cm, the square is divided in 3 parts 10cm x 30cm, the lower part is divided into a right angle triangle of 30cm (base) and 10cm (height), find the area between the 'circle' and the right angle triangle.

How many square centimetres are there in a square metre and why?

as a part of her statistics coursework, Dan records her bus journey times to school on a random samp

Assume that it costs Microsoft approximately C(x) = 57,600 + 550x + 0.01x2 dollars to manufacture x Xbox 360s in a day.How many Xboxes should be manufactured in order to minimize average cost? What is the resulting average cost of an xbox?

a) write down the expansion of (3x+5)3 and deduce the expansion for (3x-5)3 b) Hence find the exact solutions to the equation (3x+5)3 - /93x-5)3 = 730

hello, i was wondering if anyone could answer this question and explain, i will be happy if you do so.

'Work out each of these, giving your answers to the nearest penny.' a) £950÷24 b) £551÷12

calculus

n=1 to infinity Σ [ ln(n+1)*(-1)n+1/(n+1) ]

can anyone help me and explain how allegbra works??

Remove the brackets and simplify (x-4) (x-7)

Can someone tell me how to work out the value of a fifth number if you know the average of 4 and 3?

In a system the probability that each individual component of type A will fail is 0.05, type B is 0.04 and type C is 0.01. Components A, B and C are independent. a. Calculate the overall probability that each system will work b. Is there any difference in the probability of these systems, why?

The numbers in brackets are powers

i.e I am looking for f such that f(5) = 2 + 4 + 8 + 16 + 32

I really need help on ratio and i am wondering if you could help. If you can and will help THANKS !

can you simplfy 6 over 45

i am in year 9 , ks3

Can you tell me a good website for more help in maths

change 3/2 in to mixed numbers

Changing the subject - aaargh! Anyone be able to help?xx

So i found a question which i think looks and is tricky: 1/x = 1/a + 1/b Find x as the subject..Lead me through it please

Determine whether 42 divides the product of 67779.If it does divide the product enter the number of times it is divide. If it does not dived,enter the smallest missing factor that would allow for the divisibility of the product does 42 divide the product 67779?

Find the equation of the circumscribed circle of the triangle formed by three lines given by x+y=6, 2x+y=4 and x+2y=5.

I know them but im stuck on applying them

Hi their, I am revising for my gcse exam in 5 weeks and a few topics that I'm struggling with is Circle Theorems and Trigonometry and so if anyone could help me I would be very grateful. Thank you so much!!!

how do i show two circles intersect by using the radius ?

Billy likes to go cycling. His bike of wheels has diameter 70cm. He has invented a counter for his bike, which counts the number of revolutions the wheels make. One day the counter shows 370 revoltions. How far has billy cycled? Give your answer to the nearest metre.

coast cost £24 reduced by25% gets further 10% off what is the price

had to think of ten names who we new under 25 then tally it frequency then put on bar chart

I need help in finding the perimeter of a triangle with vertices

what is 90% as a fraction

There are two graphs in the first quadant of a graph. One in the form y=(x+a)2 and one in the form y=mx+c. The two graphs intersect at two points/have two common solutions. The area of the intersect (the bit between where the lines intersect) is eqaul to one. What could the equation of the lines be?

For the functions f(x)=3x-12 and g(x)=(x/3)+4, find each of the following a) f o g (x) b) g o f (x)

I am trying to figure out monthly compound interest... it starts at month one of an initial investment of 100$ and the rate is 7.5%... the balance at the end of the month is 100.6250000 and at the end of the second month it is 201.8789063 and in ten years it would be 17904.2406578.... etc.... How in the world do you come up with that formula?