i(-5i + 6) + 8(3 + 7i)
= -5i^2 + 6i + 24 + 56i
= 5 + 24 + 62i (because -i^2 = 1)
= 29 + 62i
Answer is C.
Answer:
13
Step-by-step explanation:
Answer:
$ 0.60
Step-by-step explanation:
Answer:
A) $29.68
B) $5.60
Step-by-step explanation:
<u>Part A Explanation)</u>
To find the total cost including tax, you must multiply the total cost by .06 because .06 out of 1 is 6%. <em>Quick explanation on percentages.</em>
<u><em>DO NOT FORGET TO ADD THE TOTAL COST</em></u>
28.00 + (28.00 * .06) = 29.68
<u>Part B Explanation)</u>
This is asking only for the tip, not including the total cost. However, we need the total cost to calculate the tip.
28.00 * .20 = 5.6
<em>.20 out of 1 is 20%</em>
the AnSwEr is
12 because 8x - 1=3x+4 the variable x represents the same value and x= 0