Answer:
3m = -3
Step-by-step explanation:
Subtract 2m from both sides of the equation:
-6 = 6m
Divide both sides by 2:
-3 = 3m
Answer:
Leanne's hourly rate is $15 per hour
Step-by-step explanation:
Assuming a year is 52 weeks, divide $15,600/52 to find the $/week ($300). Then, divide $300/20 to find the $/hrs ($15)
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Differentiating w.r.t y,
We get,
<span>2 x (d x/d y) + y (d x/d y) + x + 2 y = 0 </span>
<span>Put
d x/d y = 0 </span>
The equation becomes:
<span>x=2 y </span>
<span>substituting into main equation
We, get
3 y^2 =9 </span>
y= √3
x = <span>± 2√3</span>
F(x) = -9x^2 + 7x + 2
Factorising we get:
f(x) = (x + 1) (-9x + 2)
The solutions are x = -1 and 2/9ths
