Answer:
12\sqrt{14}x^2 (see photo)
Step-by-step explanation:
Quantity of animal feed in the barn initially = 96 kg
Fraction of animal feed that was wasted = 1/10 of initial quantity
Quantity of animal feed wasted= (1/10) *96 = 9.6 kg
Quantity of animal feed left = Quantity of animal feed initially - Quantity of animal feed wasted
Quantity of animal feed left = 96-9.6= 86.4 kg
Answer: 86.4 kg of animal feed was left in the barn.
15^2 = x^2 + 11^2
225 = x^2 + 121
Subtract both sides 121
225 - 121 = x^2 + 121 - 121
104 = x^2
x = √104
x = √4 × 26
x = √4 × √26
x = 2 × √26
x = 2 √26
15 is what i got hope it works
Answer:
the graph of the parabola opens upwards.
Step-by-step explanation:
For any quadratic equation of the form
is true that:
if the main coefficient "a" is negative then the graph of the parabola opens downwards.
If the main coefficient "a" is positive, the parabola opens upwards
In this case the parabola is 
Note that
and
therefore the graph of the parabola opens upwards.