Answer: 9.5493
Step-by-step explanation: circumference = 2pi*r
Count the negative signs, if you get an odd number of negative signs, the product is a negative. If you get an even number of negative signs, the product is a positive.
in this case, there are two negatives, the the product is a positive number
45 - 11i is the answer! And make sure you double check.
Answer:
Second one
Step-by-step explanation:
if 2x - y = 4
then 2x + 4 would have to = y
The equation where 2x + 4 = y is the second
y = 2x + 4
Answer:
(a) x = 13000 -135p
(b) x = 8140
Step-by-step explanation:
(a) consumer expenditure = 13000p -135p^2 = p(13000 -135p)
= px
so, x = 13000 -135p
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(b) Filling in p=36, we find ...
x = 13000 -135·36
x = 8140