Answer:
+2
Step-by-step explanation:
=>
=>
<em>Arranging it in descending order</em>
=>
<u><em>So, the coefficient of x² in this expression is +2</em></u>
Sheila has a plan to save 45$ a month for 18 months so that she has 810$ to remodel her bathroom. After 13 months Sheila has sav
ed 150$. If the most Sheila can possibly save is 70$ per month, which of the following statements is true?
2 answers:
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Answer:
Step-by-step explanation:
we are given
y varies directly as x
so, we can write equation as
where
k is constant of proportionality
We have
at x=-1 , y=6
so, we can use it to find k
so, we get
now, we can plug it back
now, we can plug x=5
and we get
