In San Francisco it would be 3 am
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We simply replace a with -9
k(-9) = 4 * -9 - 4
k(-9) = -40
:)
Answer:
$12, 14%
Step-by-step explanation:
Find the amount of discount:
84 - 72 = 12
Find the amount of discount as a percentage
12 / 84 = 0.1428
Let's solve your equation step-by-step.
x2−6x+10=0
For this equation: a=1, b=-6, c=10
1x2+−6x+10=0
Step 1: Use quadratic formula with a=1, b=-6, c=10.
± 
x = −(−6)± 
x= 6± 
x = 6±
/ 2
x = 6 ±
/ 2

6 ± 2i / 2 = 3 ± i