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patriot [66]
3 years ago
13

PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
Olin [163]3 years ago
8 0

Answer:

11/12

Step-by-step explanation:

when answering the question 1/4-(-2/3) you have to think about the denominator which should be equivalent in each fraction.

step one:1/4-(-2/3),4*3=12 so the denominator would have to be 12 with both fractions.

step two:1/4=3/12,2/3=8/12

step three:add 3/12 and 8/12

zvonat [6]3 years ago
6 0

Answer:

11/12

Step-by-step explanation:

according to this calculator thats the answer ... hope this helps

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Answer:

a. P(x>20)=0.19

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Step-by-step explanation:

We know that:

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