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Brums [2.3K]
3 years ago
12

Three times the first number plus two times the second number is 12

Mathematics
1 answer:
Vika [28.1K]3 years ago
3 0
First number - x
Second number - y

3x + 2y = 12.

This expression would represent a linear equation.
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PilotLPTM [1.2K]

Answer:

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3 years ago
There are three motors available to repair Ralph’s vacuum cleaner. Motor #1 has a 65% chance of breaking by the end of the week.
Orlov [11]

Answer:

0.619

Step-by-step explanation:

from the question we have the following data:

probability of motor 1 breaking = 65% = 0.65

probability of motor 2 breaking = 35% = 0.35

probability of motor 3 breaking = 5% = 0.05

since we have 3 motors the probability of any of them breaking down is  = \frac{1}{3}

but what the question requires from us is the conditional probability of the first one being installed

we have to solve this questions using bayes theorem

such that:

\frac{0.65*\frac{1}{3} }{0.65*\frac{1}{3}+0.35*\frac{1}{3}+0.05*\frac{1}{3}   }

= \frac{0.2167}{0.2167+0.1167+0.0167}

= \frac{0.2167}{0.3501}

= 0.618966

approximately 0.619

therefore the conditional probability ralph installed the first motor is 0.619

8 0
3 years ago
Jack is building 5 raised garden beds in a community garden each raised garden bed will need 178 bag of soil how many bags of so
dsp73

Answer:

890

Step-by-step explanation:

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Find the length of a line joining the point ( 4,3 ) and origin .​
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Answer:

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