What is 5/8=3/4b-7/12
1 answer:
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Answer:
see below
Step-by-step explanation:
In the system of equations, x represents the, price to wash a car and y represents the price to wash an SUV.
If the system of equations is graphed in a coordinate plane, the coordinates (x, y) of the intersection of the two lines are the price of the car wash (x) and the price of the SUV wash (y)______.
x=12 and y = 18
x+y = 12+18 = 30
The total cost of 1 car and 1 SUV is $_30____.
5x+4y = 5(12)+4(18) = 60+ 72 =132
The total earnings for hour 3 are $_132_____.
First we need to simplify the numerator of the fraction
(2 - 4i)(3 + 5i)
= 6 +10i - 12i - 20i²
= 6 - 2i + 20
= 26 - 2i
So now the fraction becomes:
In order to convert the fraction to standard form, we need to multiply and divide the fraction by the conjugate of the denominator as shown below:
(2 - 4i)(3 + 5i)
= 6 +10i - 12i - 20i²
= 6 - 2i + 20
= 26 - 2i
So now the fraction becomes:
In order to convert the fraction to standard form, we need to multiply and divide the fraction by the conjugate of the denominator as shown below: