4x + 6 <-6 step by step please <3

Mathematics

2 answers:

suter [353]3 years ago

8 0

See image that is attached.

Keith_Richards [23]3 years ago

7 0

I just did this through connections academy the same exact problem, but this is how you do it.

You cancel out the +6 near the x because we need to start isolating the variable. So you subtract 6 from both sides:

$4x < - 12$
Then you isolate the x completely by dividing both sides by 4:

$x < - 3$
That is your answer :)

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3 years ago

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storchak [24]

Answer:

A task time of 177.125s qualify individuals for such training.

Step-by-step explanation:

Problems of normally distributed samples can be solved using the z-score formula.

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In this problem, we have that:

A distribution that can be approximated by a normal distribution with a mean value of 145 sec and a standard deviation of 25 sec, so $\mu = 145, \sigma = 25$ .