Answer: <em>x=100</em>
Step-by-step explanation:
<em>Let's start by multiply 1/5 on both sides to cancel it out with the x</em>
<em>1/5x=20</em>
<em>(1/5) (1/5)</em>
<em>x=100</em>
<em></em>
<em>1/5 MULTIPLIED BY 20 CAN ALSO BE 5 TIMES 20!</em>
Answer:
3
Step-by-step explanation:
Derivitive of cosx=-sinx
dy/dx sinx=cosx
and use chain rue
2cosx=-2sinx
2cos2x=-4sin2x
so
-2sinx-4sin2x id the deritivitve
Answer:
x=2
Step-by-step explanation: