Answer:
Step-by-step explanation:
"4 times the sum of 2 and y".
<h3>Hope it is helpful...</h3>
A) x^2 + y^2 = 80
B) x * y = 12
What is x^2 -y^2?
B) x * y = 12
So y = 12 / x
A) x^2 + (12/x)^2 = 80
x^2 + (12/x)^2 = 80
x^2 + (144/x^2) = 80
Multiplying each side by x^2
x^4 + 144 = 80x^2
x^4 -80x^2 + 144 = 0
X = 1.355 (found by trial and error)
Y =
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8.85608</span></span></span> (found by trial and error)
la temperatura promedio fue de 103°
As a fraction, 54% is 27/50.