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Mazyrski [523]
3 years ago
12

Working together, it takes two computers 20 minutes to send out a company's email. If it takes the slower computer 45 minutes to

do the job on its own, how
long will it take the faster computer to do the job on its own?
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

36 minutes

Step-by-step explanation:

Let the productivity of slower computer is x bits/min

That means Slower computer in 45 minutes sends   x*45 bits= company's email

Let the productivity of faster computer is y bits/min

That means that working together slower and faster computers send

x*20+y*20= company's  email or

x*20+y*20=x*45

x*25=y*20

y/x=25/20= 1,25

That means that faster computer sends the mails 1.25 times  faster than slower computer

So faster computer  will need in 1.25 times lees time than slower computer to do this job

45:1.25 =36 min

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The time to complete 2 levels is (c) 60 minutes

<h3>How to determine the time to complete 2 levels?</h3>

The table of values is given as

Number of Levels     Time (hours)

2                                         ?

3                                         1.5

Express the blank (?) with y

Number of Levels     Time (hours)

2                                          y

3                                         1.5

The ordered pairs from the table are

(x, y) = (2, y) and (3, 15)

The table shows the proportional relationship

This means that the equation can be represented as

y = Y/X * x

Where

(x, y) = (2, y)

(X, Y) = (3, 1.5)

So, we have

y = 1.5/3 * 2

Evaluate the quotient

y = 0.5 * 2

This gives

y = 1 hour

Convert to minutes

y = 60 minutes

Hence, the time is 60 minutes

Read more about linear equation at

brainly.com/question/13738662

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7 0
1 year ago
What percent of 82.5 is 21.12
Travka [436]
<span>21.12 is 25.6% of 82.5</span>

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8 0
3 years ago
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What is 5.300 equivalent to
S_A_V [24]
It is equivalent too 5.3 and 5.30
7 0
3 years ago
2/3 + (-5/7)<br><br><br><br> .........
dmitriy555 [2]

Answer:

-1/21

Step-by-step explanation:

2/3 + -5/7

Get a common denominator of 21

2/3 *7/7 = 14/21

-5/7*3/3 = -15/21

14/21 - 15/21 = -1/21

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3 years ago
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PLEASE HELP ME MY MOM IS ALREADY MAD AT ME
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Answer:

Step-by-step explanation:

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First one is

Yellow is 1

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Which is 1/25

The second pic is C

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3 0
2 years ago
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