### Maths

How to do 9 and 10

3 is the solution of 6 x minus 2 is equals to 16 how to do that

If alfa and bita are the zeroes of x2-1 the find the auadratic polynomial whose zeroes are 2alfa upon bita and 2bita upon alfa

2/3+3/9=?

A tank is full of 1000l of petrol due to leakage of the quantity reduces 5 litres every hour.How long will it take to get empty.

One number is 5/2times as large as another.The sum of the number is 28.find the number.

A boy spent 3/5of his money on buying cloth and 1/4 of the remaining on buying shoes.If initially he has rupees 2,400 how much did he spend on shoes.

A wire in the shape of a square of side 11m is rebent intothe shape of a circle.Find the area of the circle?

the Olympic photograph inspired a school pep club to design card displays for football games.Each display uses 100 square cards .At a game groups of 100 volunteers will hold up the cards to form complete pictures .They are most effective when the volunteers sit in a rectangular arrangment .What rectangular seating arrangements are possible?Which arrangements would you choose?why?

How do you solve y+16.7=-49

(x+5)(x-5)

Roman number 1 to 20

the sum of two numbers is 82 and the differece is 34. What are the 2 numbers?

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