-3, 3, 5.
https://www.wolframalpha.com/input/?i=%28x%5E3%29-%285x%5E2%29-9x%2B45%3D0
Answer:
44º
44º
136º
22º
Step-by-step explanation:
If you want i can explain in the comments.
Answer:
x^2 = a/b (option a)
Step-by-step explanation:
If we have square root at the top and bottom then we take single square root with fraction inside
To remove square root we take square on both sides because square and square root will get cancelled
x^2 = a/b is true
Answer:
,
, 
Step-by-step explanation:
The perimeter covered by the electric fence in meters is:

The area of the rectangle is:


Let differentiate the previous equation and equates to zero:

The critical point is:

By the Second Derivative Text, it is proved that critical point lead to a maximum:

The other side of the rectangle is:

The largest area than can be enclosed is:


The dimensions of the triangle are:


Answer:
456 chairs
Step-by-step explanation:
If there are 6 round tables with 7 chairs each you would multiply 7, 6 times (7 x 6) = 42
If there are 23 rectangular tables with 18 chairs each you would multiply 18, 23 times. ( 18 x 23) = 414
Then you add up all the chairs, 456 chairs total.
If I'm wrong I'm so sorry
if I'm right Thank you (brainliest plz)