2,563 Answered Questions for the topic Maths

Maths

08/28/18

6 dollars exchanged for nickels and dimes .the number of nickels was the same as the number of dimes.how many nickels were there in the change ?
6 dollars exchanged for nickels and dimes .the number of nickels was the same as the number of dimes.how many nickels were there in the change ?
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Maths Degrees

08/27/18

degrees and angles
A wheel with a circumference of 15 cm has covered 1.35 km in its lifetime. Which of the following is correct to workout the number of degrees the wheel has turned so far? A. 135000 X 15 / 360 B.... more
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Maths

08/26/18

quick way for kids of dividing large numbers and with decimal points without calculators
1234  / 7.56   2456.78 / 2.33
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08/24/18

A level simplify!! please help
Simplify as far as possible:   1/6k(k+1)(2k+1)+(k+1)^2   The answer should be 1/6(k+1)(k+2)(2k+3) but I keep on getting a different answer.  Please help, thank you.
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Maths

08/24/18

give solution
rocky bought a bicycle whose value decreases by 10% every year .After three years its value is 7290.How much did rocky buy the bicycle for?
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Maths

08/24/18

SOLUTION PLZ
selena bought shares for 25000.The investment increased at the rate of 4% the first year ,then decreased at 5% in the second year and during the third year again increased by 8%.Find the amount at... more
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08/20/18

what number is the same as 1ten+18ones
What number is the same as 1 ten+plus 18 ones?
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Maths

08/20/18

6% The temperature today is 7 degrees Celsius. Yesterday it was 13 degrees Celsius cooler. What was the temperature yesterday?
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Maths

08/19/18

I have 50 cups , 3 at a quarter full and 47 cups are half full. How many mls is that?
i need help  quickly 
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Maths

08/18/18

The number of integer pairs x,y such that xy-3x+5y=0
The number of integers x,y such that xy-3x+5y=0
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Maths

08/18/18

Find all integers x,y.
Find all integers x,y satisfying (x-y)^2+2y^2=27
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Maths

08/16/18

What is the Golden Ratio
 what is the golden ratio and how is it used in the human body and everyday life?
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Maths

08/15/18

give solution
The price of onions falls by 25%. By what percent must the onions be increased such that their price is equal to the earlier price?
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Maths

08/12/18

The tangent to the curve y=ax^4 at the point (3,b) has a gradient of 2. Find a and b.
Please help
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Maths

08/10/18

Andrew is 6 years older than Phil. The sum of their age is 14. What are their ages?
Please help
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Maths Suvat

08/09/18

Suvat question help
A man is standing on a 29 metre building and throws a ball up in the air at 35 metres per second. The ball falls to ground at the base of the building – how long does it take to reach the... more
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Maths

08/07/18

Long method of division for 1234/4.5
Long division for 1234/4.5....
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08/06/18

Finding Ratio of two Sphere.
Volume of Two Spheres are in the ratio 27:343 and the sum of their radius is 10. Find the ratio of the surface area of the bigger sphere to the smaller sphere.
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08/03/18

If the midpoint of A and B is (1,3), what might the end points be?
I'm really having trouble with this one! If anyone could help it would be highly appreciated! :) I know about finding one endpoint with the midpoint and the other end point but I can't work this... more
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08/02/18

If the midpoint of point A and B is (1 ,3), what might the end points be?
Give reasons for your answer. Use mathematical terms and explain your reasons mathematically, justify your answers. Hints: draw a diagram, is there only one answer? If you have multiple solutions,... more
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Maths

08/01/18

If the value of a side of a equilateral triangle is 10 then what will be the area of the triangle
I want to know the answer. So please answer it.
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Maths

07/31/18

true or false maths question
(1 x 3 x ...... x 101) > (2 x 4 x ...... x 100)    True or false?
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Maths

07/30/18

Math words problem
Along a road on one side there are electric poles and on the other side there are banyan trees.The distance between two electric poles is 12m and between two banyan trees is 15m.If at the starting... more
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Maths

07/29/18

A - B = 2255; A - C = 1750; C - B = ? How to teach this concept to kids...
A - B = 2255; A - C = 1750; C - B = ? How to teach this concept to kids...   Book says answer is 2250 - 1750. But not sure how to teach this to kids..
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07/27/18

Is there a shortcut formula to use whenever one of the values inside a formula changes?
I have this formula.true=base×(1+A)×(1+B−C)×(1−D)×(1+E−F)×(1−G)If the E increases its value, is there a way to know the adjusted true without having to calculate the whole formula again using the... more
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