Part(A):
To solve the system of Linear equations using Substitution:
Consider the first equation, x+y=7 implies x=7-y
PArt(B): Use a graph to verify your answer to the system:
Using Desmos graphing calculator, graph the two equations.
Answer: 283/20
Step-by-step explanation:
first u can change them into improper fractions. Then take the LCM of the denominators which will make the denominators same. Its easy after that.
Answer:
True
Step-by-step explanation: Trust me
Answer:
Option C) population
Step-by-step explanation:
We are given the following situation in the question:
A researcher is curious about the average IQ of registered voters in the state of FL.
Sample:
It is a part of a population. It is always smaller than the population.
Statistic:
Any numerical value or any other measure describing a sample of a population is known as statistic.
Population:
It is the universal data set. Every observation belongs to this group which is of interest. Sampling is done within population to obtain small groups of sample.
Parameter:
Any numerical value or any other measure describing the population is known as a parameter.
In this situation, the entire group of registered voters in FL is an example of a population because it contains all the individual for variable of interest.
Variable of interest:
Average IQ of registered voters in the state of FL.
Individual of interest:
Registered voters in the state of FL.
<span>0.1 = 1/10
hope that helps</span>
