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balu736 [363]
3 years ago
11

Joe's mom gave him $40 for cutting their grass. He used the money to but a $10.75 game and two snacks that cost $3.25 each. Joe

also bought a bouquet of flowers for his mom.
If Joe went home with 1/4 of the money his mom gave him, how much did the flowers cost?

A) $10.00
B) $12.75
C) $17.25
D) $16.00
Mathematics
2 answers:
Reptile [31]3 years ago
8 0
B! please vote me brainliest if i helped :) ❤️
Ivan3 years ago
6 0
The answer is B. What you would have to do is subtract all of the numbers to get 22.75$ since 1/4 of 40 is 10, you need to subtract 10.00$ which leaves you with 12.75$ 

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The reliability of a two-component product if the components are in parallel is 0.99.

In this question,

The probability of failure-free operation of a system with several parallel elements is always higher than that of the best element in the system. Reliability can be increased if the same function is done by two or more elements arranged in parallel.

A system contains two components that are arranged in parallel, they are 0.95 and 0.80.

Therefore the system reliability can be calculated as follows

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