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Step2247 [10]
3 years ago
8

Generate an equivalent expression to 29(r+s)-(r+s). Thanks!

Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0
28r+28s
Hope this is what your looking for
Nesterboy [21]3 years ago
3 0
(r+s)(29-1). just factor out the (r+s)
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Answer: a) (0.99)^4

Step-by-step explanation:

Given : For safety reasons, four different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills bank.

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Probability for independent events (E_1 , E_2 , E_3 , ....., E_n) occurs together =  P(E_1)\times P(E_2)\times P(E_3)\ .....\times P(E_n).

Then, the probability that when a theft occurs, all four systems will detect it

= (0.99) x (0.99) x (0.99) x (0.99)

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Hence, the probability that when a theft occurs, all four systems will detect it is (0.99)^4 .

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Da sofa is on sale for $98.60, which is 29% of the regular price. What is the regular price ?
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