Answer: 40%
Step-by-step explanation: $2000
If you turn the 2000 into 20 (for now) and the 800 into 8, then the 20 into 10, and the 8 into 4, then 4 out of 10 equals 40%.
Answer:
x=3/4, -3/4
Step-by-step explanation:
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Answer:
Step-by-step explanation:
The trigonometric function secant is the reciprocal of cosine:
For :
(1)
On the other hand, it is known , hence:
(2)
In addition, it is known (3)
Substituting this on (1):
(4)
(5)
(6)
Finally:
50% of 170, which is simply half of 170- 85.
No, they forgot to switch variable labels after solving for the independent variable...
y=-8x+4
y-4=-8x
(y-4)/-8=x
Now that you have solved for the independent variable x, you switch the variable labels...
y=(x-4)/-8
f^-1(x)=(x-4)/-8 which should really be rewritten as:
f^-1(x)=(4-x)/8 :P