What is 1,099 rounded to the nearest ten
1 answer:
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Answer:
The number of hours must be greater than 9 to make a Company B a better deal
Step-by-step explanation:
Let
x ----> the number of hours
y ----> the total charge in dollars
we know that
The linear equation in slope intercept form is equal to
where
m is the slope or unit rate of the linear equation
b is the y-intercept or initial value of the linear equation
In this problem we have
<em>Company A</em>
The slope is equal to
The y-intercept is equal to
so
The linear equation is equal to
-----> equation A
<em>Company B</em>
The slope is equal to
The y-intercept is equal to
so
The linear equation is equal to
-----> equation B
If a Company B is a better deal
then
solve for x
Rewrite
therefore
The number of hours must be greater than 9 to make a Company B a better deal
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