Will give Brainly answer

Mathematics

2 answers:

eimsori [14]3 years ago

8 0

Your answer would be 7i
i ^2 stands for -1. You can factor out the negative from the square root because it isn’t good to have one in it. This would help get your answer to “i square root 49”. We know that 49 is a perfect square of seven. This leaves your answer to plus or minus 7i.

IgorC [24]3 years ago

7 0

Answer:

hahahah easy

Step-by-step explanation:

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stich3 [128]

Y=7x-1 is that what youre looking for?

5 0

3 years ago

Read 2 more answers

A tour operator has a bus that can accommodate 20 tourists. The operator knows that tourists may not show up, so he sells 21 tic

dalvyx [7]

Answer:

The expected revenue of the tour operator is 985.

Step-by-step explanation:

There are two outcomes:

Either less than 21 tourists show up and the operator does not have to pay anything. Or 21 tourists show up and the operator has to repay 100.

Anyways, initially he gets the price of all the tickets sold. That is 21 each at 50, so $R = 21*50 = 1050$ .

Then, we need to find the probability that all of the 21 tourists show up. In this case, we have to subtract 100 from the revenue.

Each tourist has a 0.02 probability of not showing up. This means that each has a 1-0.02 = 0.98 probability of showing up. So the probability P that all 21 tourists show up is $P = (0.98)^{21} = 0.6542$ .