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The sum of three numbers is 65. The third number minus the first number is 15 less than the second number.Twice the first number is 23. Find the three numbers

Sophia wants to tie a string around a heavy permanent records storage box (25cm high x 30cm long x 20cm wide) and have 20cm of string left to tie a secure knot. How long should the precut string need...

jimmy decided to make some granola bars. the recipe he s using calls for 3/4 cup of granola for every 1/8 cup of peanut butter. jimmy accidentally put a whole cup of granola . what amount of peanut...

this question is very tricky and was to do with the sine rule and obtuse angles, please read question properly

Rolling a pair of six-sided dice, what is the probability that you will get a sum of 4?   I thought the answer was 4/36 = 1/9 because each die is a mutually exclusive event 1-3, 3-1,...

Hello, I would like calculate the angle between blue lines (see link). http://imgur.com/IjQFp1B Unfortunately i don't know lenghts of triangle on the left. It's actually suns' direction...

Hi all,   I wish to draw a cubic curve that has a Y intersact at 37, the downward slope and reach minimum point of 27.1, then upward slope and reach maximum point at 40.8, then finally...