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3 years ago

-25 - 6k + 7=6(1+ 3k) Solve the equation for The Variable

Mathematics

2 answers:

dmitriy555 [2]3 years ago

6 0

Answer: Isolate the variable by dividing each side by factors that don't contain the variable.

k = −1

romanna [79]3 years ago

6 0

Answer:

-1

Step-by-step explanation:

-25+7 -6=6k+18k

-24=24k

k=-1

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PLEASE ..... HELP THANK YOU

lara [203]

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x=25
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angle AEB=115

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The seventh grade students are having an end-of-year party in the school cafeteria. There are 754 students attending the party.

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Answer:

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Step-by-step explanation:

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3 years ago

Person 1 writes internal operating procedures 3 times faster than Person 2. Most of the procedures took 30 minutes each to creat

ad-work [718]

Person 1 takes 3 hour 10 minutes to complete 9 procedures

Solution:

From given question,

Person 2 takes 30 minutes per procedure

Person 1 writes internal operating procedures 3 times faster than Person 2

So we get, Person 1 takes 3 times faster than Person 2

Person 1 takes 10 minutes per procedure

But two of the procedures for Person 1 took an hour each

So person 1 takes 60 minutes each for two of procedures ( since 1 hour = 60 minutes )

Calculate how long it took Person 1 to complete 9 procedures:

So for first 7 procedures person 1 would take 10 minutes per procedure and for last two procedures person 1 would take 60 minutes per procedure

$time $=7$ procedures $\times \frac{10 \text { minutes }}{1 \text { procedure }}+2$ procedure $\times \frac{60 \text { minutes }}{1 \text { procedure }}$$

$time=70 minutes +120minutes\\\\time=190minutes$

We know that,

1 hour = 60 minutes

Therefore,

190 minutes = 60 minutes + 60 minutes + 60 minutes + 10 minutes

190 minutes = 1 hour + 1 hour + 1 hour + 10 minutes = 3 hour 10 minutes

Therefore Person 1 takes 3 hour 10 minutes to complete 9 procedures

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