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Give the introduction to Ratios and Proportions?
A ratio represents a comparison between two values. A ratio of two numbers can be expressed in three ways:
A ratio of "one to two" can be written as:
1 to 2 or 1: 2 or 1/2A proportion is made up of two ratios with an "=" (equal) sign between them.
For example:
1/2 = 2/4
Solving Proportions With One Unknown When a proportion is written with one unknown number, the unknown is usually represented by "x".
To solve for an unknown in a proportion: 1. Cross-multiply: multiply the numbers that are diagonal to each other.2. Set the two products equal to each other.3. Divide both sides by the number next to the x.
what is market
The scale of a map is 0.5 in 25mi the actual distance between two cities is 725mi write a proportion that represents the relationship how far apart will the cities be on the map
if a circles diameter is 42 mm its radius is _________________ because ________________________.
Disjointed Sets or Mutually Exclusive Two sets are said to be mutually or disjointed exclusive whether they have no elements in common. Sets P and R underneath are disjointed
The first particular case of first order differential equations which we will seem is the linear first order differential equation. In this section, unlike many of the first order
How to raise Powers of Monomials ? To raise a monomial to a certain power: Step 1: Place the entire monomial inside parentheses, and place the desired power outside the paren
An initial species population is y(0) = 3000. At t=0 the population starts to grow exponentially with a doubling time of 2 years. Mark the only correct statement: a) The per
2=42gf
QUESTION (a) A bowl contains ten red balls and ten blue balls. A woman selects balls at random without looking at them. i) How many balls must she select to be sure of havin
Method of disks or the method of rings One of the simple methods for getting the cross-sectional area is to cut the object perpendicular to the axis of rotation. Carrying out
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