Answer:
x > -5
Step-by-step explanation:
Sign change when you divide it with negative number
x > 25/-5
x > -5
Answer:
4.8 inches.
Step-by-step explanation:
From the above, the scale on the map is given:
25 miles = 2 inches
1 mile = 2/25 inches
60 miles will therefore be,
= (2/25) * 60
= 24/5
= 4.8 inches.
Differentiating w.r.t y,
We get,
<span>2 x (d x/d y) + y (d x/d y) + x + 2 y = 0 </span>
<span>Put
d x/d y = 0 </span>
The equation becomes:
<span>x=2 y </span>
<span>substituting into main equation
We, get
3 y^2 =9 </span>
y= √3
x = <span>± 2√3</span>
