System of equations - math problems

Number of problems found: 839

  • The sum 16
    eq2_fx The sum of A and B is 36. The difference of A & B is 8. find the larger number of A.
  • The sum 15
    lines The sum of the real numbers x and y is 24. Their difference is 12. What is the value of xy?
  • Conjugate equation
    conj Find the numbers of a and b, if (a - bi) (3 + 5i) is the Conjugate of (-6 - 24i)
  • Sum and product
    plusminus The sum of the real numbers x and y is 12. Their difference is 8. What is the value of xy?
  • Length 9
    rectangles Length of a rectangle is 8 m less than twice of breadth. If the perimeter of the rectangle is 50. find its length and breadth.
  • Dimensions of rectangle
    rectangles Find the dimensions of a rectangle given that its perimeter is 110 cm and its length is 1 cm more than twice its width.
  • Three unknown numbers
    eq2_fx The sum of of three numbers is 106. the first number is 10 more then the third. The second number is 2x the third. What are the numbers?
  • One leg
    rt_triangle One leg of a right triangle is 1 feet longer than the other leg. The hypotenuse is 5 feet. Find the lengths of the three sides of the triangle.
  • Half of 2
    meter Half of Ethan’s string is equal to 2/3 of Kayla’s string. The total length of their strings is 10 feet. How much longer is Ethan’s string than Kayla’s?
  • The sum 9
    numbers The sum of two integers is 4. Their difference is 8. What are this two integers?
  • The sum 8
    numbers2 The sum of two numbers is 21. If three times the smaller numbers is two less than twice the larger number, find the two numbers.
  • You must
    acre You must level a rooftop unit on the curb with shims. If you need to shim the unit 13/16” on one side, how many shims will be required if he is given 1/8” and 1/16” shims? Use 10 shims exactly.
  • In the library
    books In the library at Lenape Elementary School, there are 2/5 as many fiction books as there are nonfiction books. There are 56 books in the school library. How many books are fiction books?
  • 6 plates
    coffee 6 plates and 5 cups cost 37.50 dollars. 7 plates and 6 cups 44.10 dollars. Each plate costs the same amount as the other cup. What is the cost of 1 plate? What is the cost of 1 cup?
  • Louis
    koberec Louis wants to carpet the rectangular floor of his basement. The basement has an area of 5,120 square feet. The width of the basement is 4/5 its length. What is the length of Louis's basement?
  • Deposit
    penize Oh I total of $15,000 deposited into simple interest accounts the annual simple interest rate on one account at 6% the annual simple interest rate on the second account at 7% how much should be invested in each account so that the total interest earned is
  • Maria 2
    family Maria is 7 years older than her brother Robert and in 2 years her age will be four times what Robert’s age was three years ago. Find their present ages.
  • The profit
    penize The profit made by a business in 2018 was triple that made in 2019. The profit made in 2020 was R 3 million less than the profit made in 2019. If the total profit in these 3 years was R 67 million, what was the profit made in 2020?
  • Fruit equation
    jablon Find how many peaches could be bought instead of buying one melon, one pear, one apple and two plums if we know that: • Melon and plum cost the same as three apples • if we subtract the price of a pear from the price of peach, we get the price of plum • T
  • Two workers
    work One worker makes a part 4 hours and the second 9 hours later than they would make the same part together. How long does it take for each worker to make the part himself?

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