Answer:
a) False
b)True
c)False
d)True
e)True
Step-by-step explanation:
a) False
No it is not true for all cases
Ex
2 x = 5 ------1
3 x =7.5 ------2
So here equation is 2 but we have a value of x=2.5.
b)True
If a linear system has free variables, then it must have infinitely many solutions.
c)False
Every linear system with the same number of equations and variables has a unique solution.This is not true for all cases.
d)True
In every linear system with 2 equations and 3 variables x1,x2,x3, the last variable x3 is a free variable.
e)True
If x1 = x2 = ··· = xn = 0 is a solution to a linear system, then the system must be homogeneous.
Raven's sister would be 5ft.
Answer:
Percent markdown from 8$ to 5$ is 37.5%
Step-by-step explanation:
Given that the booster club is selling nahos at $8 price and in last 30 minutes to sell as many as possible, they lowered the price to 5$.
Percent mark down= 
Hence percent markdown from 8$ to 5$ is 37.5%
Answer:
-10
Step-by-step explanation:
