The quadratic equation with roots a and b is given by:

Here a=1/2 and b=-4.
So the equation is given by:

The quadratic equation is as shown above.
Answer:
The answer is 5/13 or 5:13
Step-by-step explanation:
There are 18 students in total. And among them there are 5 boys. You would do
18-5=13
5 boys
13 girls
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Answer:
13x-10y
Step-by-step explanation:
Combine like terms;
10x+3x = 13x
-8y-2y = -10y
So it would give the equation of 13x-10y
Answer:

Step-by-step explanation:
There are two variables, q and r in the expression given. To make r the independent variable, it simply means, make q the subject of the formula, so that variable q would be dependent on variable r. As r changes, q changes also.
Thus,

Open the parenthesis

Add 10 to both sides


