Answer:
Step-by-step explanation:
I'm not sure how you are finding this in class, but the easiest way by far is to use the expressions for h and k:
and
(Just a fun fact: Those expressions come from the quadratic formula that help us to factor a quadratic equation.)
Filling in for h:
simplifies to
Filling in for k:
which simplifies a bit to
which simplifies a bit more to
The vertex, then, is (4, -25).
You would also find this if you completed the square. But again, I'm not sure how you're solving for the vertex in class.
Answer:more than 15 and if he worked for 1h he will have 21$
Step-by-step explanation:
Answer:
20 cans
Step-by-step explanation:
Divide $21 by $1.05 and you get 20.
Monthly mortgage payment multiplied by 12 months in a year.
765*12=9,180.
Add yearly mortgage plus property taxes:
9,180+4,056=13,236
Divide the total by 12 months in a year.
13,236/12=1,103
You should charge $1,103 a month to come out even.
You can also take the property taxes and divide them by 12 (months in a year) 4056/12=338. Then add the monthly mortgage ($765)
765+338= $1,103.
Hope this helps :)
3.5x-10>-3 add 10 to both sides
3.5x>7 divide both sides by 3.5
x>2
... now for the other inequality:
8x-9<39 add 9 to both sides
8x<48 divide both sides by 3
x<6
So we have x>2 and x<6, so the compound inequality is:
2<x<6 and this means that the solution set is:
x=(2, 6)
