Answer:
Area of circle=πr^2
Step-by-step explanation:
Area of circle=πr^2
=22/7*21^2
=22/7*441
=9702/7
=1386 sq.inch
For this case we have the following equations:

The break even point occur when C = R:
We have then:

Clearing x we have:

Then, substituting in any of the equations we have:

The break even point is:
(4, 176)
Answer:
The break even point is:
(4, 176)
Final price is $89.40 with the 40% is $59.60
Answer:
i 100% do not know
Step-by-step explanation:
By finding
a
a
,
b
b
, and
c
c
of the quadratic then applying the quadratic formula.
Exact Form:
x
=
17
+
√
1057
8
,
17
−
√
1057
8
x
=
17
+
1057
8
,
17
-
1057
8
Decimal Form:
x
=
6.18894205
…
,
−
1.93894205