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lana66690 [7]
3 years ago
11

Solve the system of linear equations

Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0
This is a special case. If after step two I would've gotten y=something... I would have plugged that new y value into my first equation

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Computer keyboard failures are due to faulty electrical connects (8%) or mechanical defects (92%). Mechanical defects are relate
sdas [7]

Solution :

Faulty electrical connects = P(A) = 0.80

Mechanical defects = P(B) = 0.92

Mechanical defects are related to loose keys = P(C/B) = 0.27

Improper assembly = P(D/B) = 0.73

Defective wires  = P(E/A) = 0.35

Improper connections = P(F/A) = 0.13

Poorly welded wires = P(G/A) = 0.52

Now, the probability due to loose keys = 0.27 x 0.92 = 0.2484

Improperly connected = 0.13 x 0.80 = 0.1040

Poorly welded wires = 0.52 x 0.80 = 0.4160

So, the probability that a failure is due to improperly connected or poorly welded wires = 0.1040 + 0.4160

                       = 0.5200

8 0
3 years ago
Problem solving with intergers
larisa [96]
12. the change in temperature is -1 C. -3 C + -1 C= -4 C

13. The net gain. Lin gained 14 yards, then loss 7 yards, and lastly gained 9 yards

14 + (-7) + 9= 16 yards

14. Pythagoras was born 582 BC. Newton 1643 AD

1643-582= 1,061 years

15. Sonny has $75 but he needs to buy something costs $93

he needs to borrow $18.

93-75= $18
3 0
3 years ago
Read 2 more answers
Simplify:
adelina 88 [10]

Answer:

The answer is 63, but there is no option of the answer

Step-by-step explanation:

Please give me brainliest ;)

4 0
3 years ago
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the value of your house is Rising by 16454 per year. if it is worth 202,420 today what will it be worth in 3 years
tekilochka [14]
251,782. 

Just add 3*16,454 to the original number. 
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3 years ago
Does anyone know the answer?? i’ll mark brainlists
vovangra [49]
I’d say D as the answer
7 0
2 years ago
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