9514 1404 393
Answer:
6
Step-by-step explanation:
Cost and revenue are equal when ...
C = R
2.5x +21 = 6x
21 = 3.5x . . . . . . subtract 2.5x
6 = x . . . . . . . . . .divide by 3.5
The company must sell 6 items to break even.
Hey there mate :)
Analysis :

And





Then, calculating,

And

Then,

Final Answers :-
<u>1</u><u>5</u><u>.</u><u>7</u><u>3</u><u> </u><u>%</u>
<u>(</u><u>2</u><u>8</u><u>7</u><u>,</u><u>7</u><u>4</u><u>3</u><u>)</u>
~Benjemin360
First we solve this equation:
x = cos^-1(0) = pi/2 and 3pi/2
Now, this is the answer for angles between 0 and 2pi
but there are "negative angles" and angles larger than 2pi
so the general solution that includes all of these cases is:
x = pi/2 + n*pi
here n is any integer.
Answer:
-2x+62
Step-by-step explanation:
-2x+3-(5-64)
-2x+3-5+64
-2x-2+64
-2x+62
Seriously nobody knows the anwser?? Im done ill just fail