We can break this down by removing the parenthesis first:
-2 + + 5 -
In order to continue, you have to simplify the square roots by factoring it and taking out i:
-2 + + 5 -
Combine like terms:
-3 - <-- that's the answer
Hope I helped :)
Pls help me pls help me
2 answers:
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Answer:
Step-by-step explanation:
The pool of rats from which the researcher is drawing participants is composed of the following:
23 male albino rats
21 male spotted rats
35 female albino rats
11 female spotted rats
Total rats = 23+21+35+11 =90
After drawing first rat , total rats remained = 89
The probability of choosing a male albino rat and then either a female albino rat or a male spotted rat =