X : y = 5 : 3 and x + y = 56

work out the value of x - y

must show working

One of the two conditions for equilibrium states that the sum of the torques around every possible center of rotation must be equal to zero. Does this mean that when you analyze a body in equilibrium

Gabbys piggy bank contains nickels and dimes worth $4.90 if she has 66 coins in all how many of each does he have

0.85% written as decimal

The high school dance team has 88 members, and 17 of them hold a position on the student council as well. How many members are on the dance team but not on the student council?

The circumference of a circle is 12.56 feet. What is the circle's diameter? Using 3.14 for pi

How do you solve 27:1620

Which statements are true fir the following expression (10-2) * (8+7)

The area of a regular octagon is 25 cm2 what is the area with the sides five times as large

What best explains an algebraic expression

The volume of a cone varies jointly as the square of its radius and its height. if the volume of a cone is 99piπ cubic inches when the radius is 3 inchesinches and the height is 3 inches, find the volume of a cone when the radius is 4 inchesinches