From the previous step we have erx(6r2 + 3r − 3) = 0. Since erx is never 0, then we know 6r2 + 3r − 3 = 0. Solving the above equ
ation gives the solutions to the quadratic equation.
2 answers:
Answer:
6r2+3r-3=0
two solutions are possible
r= -1
r=1/2
Answer:
r = - 1 or r = 1/2
Step-by-step explanation:
From the quadratic equation;
+ 6r - 3r - 3 = 0
( + 6r) - (3r + 3) = 0
6r(r + 1) - 3 (r + 1) = 0
⇒ (r + 1) or (6r - 3) = 0
r + 1 = 0 or 6r - 3 = 0
r = - 1 or 6r = 3
r = - 1 or r = 1/2
Thus, the solutions to the equation are; r = - 1 or r = 1/2 since erx is never 0.
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Because, if you payed $2.40 for 3/4 pounds of grapes, your friend should pay more for an entire pound, not less.
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Answer:
1st class - 22 people
coach - 57 people
Step-by-step explanation:
$85 x 22 people = $1870
$60 x 57 people = $3420
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