Answer: 112
Step-by-step explanation:
Answer:
<u>50</u>
Step-by-step explanation:
<u>Changing into complex form:</u>
(6 + 8i) * (3 - 4i)
= 18 - 24i + 24i - 32 (i^2)
= 18 - 32(-1)
= 18 + 32
= <u>50</u>
Answer:
y=1/5x-3
Step-by-step explanation:
Start by finding the slope:
Slope = (y₂-y₁)/(x₂-x₁)
Now we plug in the coordinates:
Slope = (12-(-3))/(-3-0)=(12+3)/(-3)=15/-3=-5
The slope intercept equation would be
y=mx+b
Slope is m and y-intercept is b. x and y and the x and y-coordinates.
Now we plug in one of the x and y coordinate pairs into the equation:
-3=-5(0)+b
b=-3
So the equation of the line would be
y=-5x-3
<em>But the slope of a perpendicular line is the negative reciprocal of the original equation</em>
So...
y=1/5x-3
If you would like to know what percent of 48 is 12, you can calculate this using the following steps:
x% of 48 is 12
x% * 48 = 12
x/100 * 48 = 12 /*100/48
x = 12 * 100 / 48
x = 25%
The correct result would be C. 25%.
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