vocab
whats a unit rate
e
A unit rate describes the ratio of two different units for the quantity of one.
A family of 7 bought tickets to the circus. Each family member also bought a souvenir that cost $6. The total amount they spent was $147 How much did one ticket cost.
147
How can you determine a representative sample of a population
In order to be a representative sample, the sample group must represent the population as a whole.
what is 88 out of 132
66%
Area of a triangle with a base 6 feet and height 9 feet.
27 ft sq 2
Whats a ratio
a rate is a ratio that relates two quantititys with different units.
How does the distributive property help you solve equations.
The distributive property deals with simplifying parentheses by multiplying the term on the outside with those on the inside separately. This can be used to help solve equations where the variable is part of a term inside or outside the parentheses.
A(n) is an entire group if objects from which data can be collected
Population
23 out of 69
33%
Any line segment that connects the center of a circle to a point on the circle is called an
Radius
whats a rate
A ratio is a relationship in which for every x units of one quantity there are y units of another quantity.
42.6ft/3days How many ft per day?
14.2ft/1day
if 3 time wages 27 dollars 5hs wages 45 dollars and 6hrs wages 54 dollars how much does 9hrs wage.
81
A (n) is a drawing that can be used to visually represent information.
diagram
Amy deposits $360 in an account that pays 1.2% simple annual interest. How much interest will she earn in 6 years.
343.04
biased sample
In a biased sample,the number of subjects in the sample with the trait that you are studying is not proportional to the number of members in the population with that trait. A biased sample does not accurately represent the population.
19
If the club surveys 50 of its 600 members what is the population of this study.
The population is all 600 members
A (n) is a relationship between one quantity and another quantity.
Ratio
The number of square units that a figure covers is
The area of the figure.
Principal
the original amount of money deposited or borrowed in an account.
4(y-2)=
7(x+8)-4 < 143
X<13
16/700=
0.022
the distance around a circle is a (n)
circumference