You want to get a job to earn at least $120 per week, but you can not work more than 18 hours a week. There is online work you c
1 answer:
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Answer:
x+y=10 which means that x=10-y
Replace 10-y in the other equation which gives you:
10-y-y=6
10-2y=6
-2y=-4
y=2
Replace 2 in any of the 2 equations same answer for both:
x+y=10
x+2=10
x=8
So,
=512-8
=504
Hope this helps!
For this case suppose that we have a quadratic equation of the form:
The solution to the quadratic recuacion is given by:
Where,
The discriminant is:
When the discriminant is greater than zero, then the root is positive, and therefore, we have two positive real solutions.
Answer:
B. it has two real solutions
The solution to the quadratic recuacion is given by:
Where,
The discriminant is:
When the discriminant is greater than zero, then the root is positive, and therefore, we have two positive real solutions.
Answer:
B. it has two real solutions