Answer:
It is proved that A is idempotent if and only if 
is idempotent.
Step-by-step explanation:
Case-1 : First assume that A is idempotent that is, 
. We have to show by using this 
. So,
Thus is idempotent.
Case-2 :
Conversly, assuming is idempotent, thet is, . We have to show . So,
Thus A is idempotent. Hence proved.
Answer:
1/1296
Step-by-step explanation:
Assuming that the probability of rolling a number is the same (1/6), all we have to do it multiply 1/6 by 4 (the number of times you roll the dice).
So 1/6 * 1/6 * 1/6 * 1/6 is just 1/6^4 and 6^4 is 1296.
Therefore the probability of rolling a 6 4 times in a row is 1/1296.
Answer:
2(-x+4)+5x-3 = 11
-2x+8+5x-3=11
-2x+5x+8-3=11
-3x+5=11
-3x=11-5
-3x=6
x=6/-3
x=-3/1
or x=-3. answer
Step-by-step explanation:
please mark me brainliest please
-4x^2 it is -4 times 1 ( in front of x) and then combine both x's
N= Number of visitors and $P = price $R = Revenue
<span>N = 50,000 - (P-15)*2500 </span>
<span>R = N*P = 50,000P -2,500P^2 + 15*2500P Answer (1) </span>
<span>R = 87,500P -2,500P^2 </span>
<span>dR/dP = 87,500 - 5000P = 0 for max </span>
<span>P = $17.50 for max revenue
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