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3 years ago

10

-2 (6-x)+4x = 8 (2x+5)

1 answer:

Snezhnost [94]3 years ago

3 0

-26 over 5

-26/5

hope this helps!

use photo math its a free app

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Peter attends 6 lessons each week . A year he attends 52 weeks. But he missed 5 classes how many lessons did he attend during th

VMariaS [17]

You are given the information that he takes six lessons per week. First we will calculate the total lessons he could potentially take per year.

6 • 52 = 312

He could potentially take 312 lessons in one year.

Now that you know this information, you simply subtract the days he missed from that total.

312 - 5 = 307

Your final answer: Peter took 307 lessons during the year.

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3 years ago

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Answer:b

Step-by-step explanation:

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2 years ago

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3 years ago

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Which number line represtents the solution to |x+4|=2?

vlada-n [284]

Answer:

Points -2 and -6 on the number line are the two solutions.

Step-by-step explanation:

Use the definition of absolute value as a starting point

$|x|=x\,\,\mbox{for}\,\,x\geq 0\\|x|=-x\,\,\mbox{for}\,\,x$

To solve the equation, you need to treat the two cases as above:

$|x+4|=x+4=2\,\,\,\mbox{for}\,\,x+4\geq 0\implies x\geq -4\\x+4=2\implies x=-2$

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Again, the second solution -6 complies with the requirement that x<-4, so it is valid.

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Step-by-step explanation:

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