Answer:
The sum of the roots is 0.5
Step-by-step explanation:
<u><em>The correct question is</em></u>
What is the sum of the roots of 20x^2-10x-30
we know that
In a quadratic equation of the form
The sum of the roots is equal to
in this problem we have
so
substitute
<u><em>Verify</em></u>
Find the roots of the quadratic equation
The formula to solve a quadratic equation is equal to
substitute
The roots are x=-1 and x=1.5
The sum of the roots are
----> is ok
Answer:
Only 1 pair of feet duhh and a few of the other things that are not in the same way as the same thing is true for the natives from the americas and now claim it as if it were ares to start with the same thing as the last time I was there and I was just wondering if you had any ideas on how to get a new one for the natives from the americas and now claim it as if it were ares to start with the same thing as the last time I was in there middle of school all as but it 4th 4images in a group and that will not have make of these days available until the next time week have the case or the natives time Europe and fend it will take place in a actuality for my new place job then the same time you
Answer:
X=12 on edg
Step-by-step explanation:
Bill = $25.85
Tips = 15% x $25.85 = $3.88
Tax = 6.25% x $25.85 = $1.62
Total amount = $25.85 + $3.88 + $1.62 = $31.35
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Answer: He will spend $31.35 in total.
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Answer:
33
Step-by-step explanation:
7x3=21
4x3=12
21+12=33
