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Rudiy27
3 years ago
8

Computer purchases: Out of 809 large purchases made at a computer retailer, 347 were personal computers, 398 were laptop compute

rs, and 64 were printers. As a part of an audit, one purchase record is sampled at random. Round the answers to four
decimal places, as needed.

(a) What is the probability that it is a laptop computer?

(b) What is the probability that it is not a printer?​
Mathematics
1 answer:
Luda [366]3 years ago
6 0

Step-by-step explanation:

personal- 347 ÷ 809 = 0.43%

lap top- 398 ÷ 809 = 0.49%

printer- 64 ÷ 809 = 0.08%

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Answer:

x = 6

Step-by-step explanation:

5x-3 = 2x+15

<h3>i) move 2x to the left-hand side and change its sign</h3>

5x-2x-3 = 15

<h3>ii) move -3 to the right-hand side and change its sign</h3>

5x-2x = 15+3

<h3>iii) collect like terms</h3>

3x = 15+3

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<h3>v) divide both sides of the equation by 3</h3>

\frac{3x}{3}  =  \frac{18}{ 3}

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svlad2 [7]

Answer:

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Step-by-step explanation:

Whenever an equation asks for when it will take x (or m in this case) amount of things or time you should know that there will be 2 different equations that have to equal each other

The equation will be 250.50 - 35m = 300 - 45.25m

The 35m is being subtracted from 250.50 because they are losing money each time they spend. This also applies to 45.25m

Also 35m and 45.25m are variables because it says they spend that much money each month. They don't specify how many months, so we have to put a variable after it.

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