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4 years ago

−4(w+1)=−24 SIMPLIFY PLEASE HELP ASAP

Mathematics

2 answers:

marysya [2.9K]4 years ago

5 0

Answer:

w=5

Step-by-step explanation:

First, you do -4 times w and -4 times 1, which equals -4w+-4.

Then, you take -4 to the other side and it becomes -24+4=-20.

Now, you have -4w= -20

Lastly, you you divide -20/-4= 5.

w=5

Sorry if this is wrong.

san4es73 [151]4 years ago

4 0

Answer:

w = 5

Step-by-step explanation:

Expand brackets.

-4w - 4 = -24

Add 4 on both sides.

-4w = -20

Divide both sides by -4.

w = 5

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Step :-1

The sample of 40 measured voltage amounts from a unit have a mean of 123.59 volts and a standard deviation of 0.31 volts

given sample size n =40

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Step2:-

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level of significance:- α =0.05

Step 3:-

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$z = \frac{123.59-120}{\frac{0.31}{\sqrt{40} } }$

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