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Answer:
Write the quadratic equation in general form then choose the value of “b”.
(2x-1)(x+5)=0
<u>A.)9</u>
B.)10
C.)11
Step-by-step explanation:
Expand 
Which is 
So the value of B is 9
Answer:
x = -4
Step-by-step explanation:
-2x - 5 = 3
Add 5 to both sides
-2x - 5 + 5 = 3 + 5
Simplify
-2x = 8
Divide both sides by -2
-2x/-2 = 8/-2
Simplify
x = -4
$210 is what she has in her bank account after 5 weeks.
18*5 =90
300-90= 210
Answer:
8%
Step-by-step explanation:
Multiply the number 45 by at least 1 point 0 something and therefore. We can assume that a 5% increase is around 47 minutes and 15 seconds and a 10% increase is around 49 minutes and 30 seconds ranging for you to use from 6% to 9%. The exact answer for the increase is around 7.78%, for me, I would plug in the equation like 45*1.7 and 45*1.8 on the calculator for more accuracy since you would need to round to the full percentage if it's between 7.5% to the exact number, it would be fully rounded to 8% since you would need at least a 5 to round up.
