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steposvetlana [31]
3 years ago
7

Multiply and simplify answer (1-x)(2-7)  please help.

Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0
(1-x)(2-7) =\\
(1-x)\cdot(-5)=\\
-5+5x=\\
5x-5
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Samples of a cast aluminum part are classified on the basis of surface finish (in microinches) and edge finish. The results of 1
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                                                  finish excellent       good           Total

<u>(A )surface finish excellent            84                      4                  88</u>

good                                    ( B) ⇵    5                       9                  14

Total                                               89                      13                102

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All the elements of Universal set U which are not elements of set A = 102- 88= 14

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Only those elements of set A and set B which are common

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(f) Upper P left-parenthesis Upper A prime union Upper B right-parenthesis equals

P (A`UB) = 98/102= 0.96078

All the elements of Universal set U which are not elements of set A and the elements of Set B = 5+9+ 84= 98

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now the second line we divide 1 and 4 we get 4 and now we multiply by 1/2 and we get 2. now we have 16/2 that is our anwser and we can put that to a whole number of 128

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