maths help

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  1. maths help

    Please could you answer my question

    asked by ann on January 3, 2018
  2. maths help

    using for figure table evaluate (1.487^3-1)/(1.487^3+1) show working pllllzzz

    asked by philip on September 30, 2016
  3. Maths help

    Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The cross-section of a cylinder is a circle. so pi(r)^2=18 solve for r

    asked by Ali on April 23, 2007
  4. Maths help

    The law connecting friction F and load L for an experiment is of the form F =aL+b, where a and b are constants. When F =5.6, L=8.0 and when F =4.4, L=2.0. Find the values of "a" and "b "and the value of F when L=6.5.

    asked by Ryan on April 12, 2015
  5. Maths help

    Two resistors in series, R1 and R2, have a total resistance of 1,600 ohms. The resistance of R2 is 560 ohms less than twice R1. Find the resistance of R1 and R2.

    asked by Ryan on April 12, 2015
  6. maths help

    Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The volume of a cylinder is given by volume = (cross-sectional area) x

    asked by Ali on April 23, 2007
  7. Maths help

    The angle of a rotating shaft turns in t seconds is given by theta= ω+1/2at^2 and it is given that ω=3 2 rad/s and α=0.6 rad/s to complete θ=4 radians. Determine the time taken to complete θ=4 radians.

    asked by Ryan on April 12, 2015
  8. maths help

    A binomial expansion is such that (p + x)^n = 3q + 6qx + 5qx² + .. If p ≠ 0, find the values of p, q and n plz show step

    asked by Anonymous on November 3, 2016
  9. maths help

    There are two distinct natural numbers. Each is first increased by 10 then by same percentage as each was increased for the first time. Each number finally results in 72 Find the difference between the numbers. How to do in simplified way please help

    asked by Dharmesh on August 13, 2016
  10. Maths help

    Two flares are launched from a life raft. The height h of the first flare in metres above the sea is modelled by the formula h1= t2+t+1meters,and the second flare is h2=4-t where t is the time 12 in seconds after the flare is launched. Determine (i) Time

    asked by Ryan on April 12, 2015
  11. Maths Help

    (1) Prove that the cancellation law of multiplication is equivalent in a commutative ring to the assertion that the product of non-zero factors is not zero. (2) For any given Integral Domain, state the law of Trichotomy, and show that in an integral Domain

    asked by John on January 4, 2010
  12. Maths help

    A manufacture finds the total cost "C" for a product is expressed by C=3x2-8, and the total revenue "R" by R=3x-2, where x is the number of units sold. What is the breakeven point (where total cost=total revenue) to the nearest unit?

    asked by Ryan on April 12, 2015
  13. maths help

    What is the least number of rolls should a fair standard 6-sided die be done so that the recorded numbers that have been shown approximates a binomial distribution of standard deviation of 10 and a success occurs when a 4 is tossed?

    asked by wqa on September 24, 2016
  14. maths help

    Due to a reduction in price by 33.33%, a man gets 25 extra apples. If he spends 75 Rs, what is the reduced price per apple?

    asked by vipul on August 26, 2016
  15. maths help

    Find the largest four digit number which has a total of exactly 3 factors. Assuming that 1 and the number itself are factors

    asked by me on February 27, 2013
  16. maths help

    root(18) simplify without using calculator&surd&table thanks step

    asked by Anonymous on November 9, 2016