There are 6 animals in the pen some are quails and some are goats if there are 20 legs in all how many quails and how many goats
1 answer:
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Answer:
1.
Step-by-step explanation:
These are simple multiplication questions of fractions. We multiply numerator with numerators and denominators with denominators. If numerator and denominator is both divisible by same number we can divide them for simplification.
1.
2.
Converting mixed form into fraction form,
Multiplying numerators with each other and denominators with each other
3.
Multiplying these terms with each other:
Dividing numerator and denominator with 3
Answer:
Step-by-step explanation:
Using quadratic formula
we will have two solutions.
2x^2 - x - 4 = 0
So, a=2 b=-1 c=-4, we have:
Finally, we have two solutions: