So basically she has 16 miles when she walked
The answer is 140 degrees because 180-40 = 140, can i get a brainly
All statements that are true about the expression is B. and C.
Q=5*x^2+3*(8-x)^2
dq/dx=10x-6(8-x)=16x-48....1
To minimise q dq/dx=0......2
x=3 and y=5 on solving 1&2