3 years ago

Please help me with this homework

Mathematics

1 answer:

d1i1m1o1n [39]3 years ago

8 0

22 should be the right answer

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Solve the following equation for the variable

SashulF [63]

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-15

Step-by-step explanation:

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A sample of 4 different calculators is randomly selected from a group containing 14 that are defective and 34 that have no defec

marysya [2.9K]

Answer:

The answer is "0.7616".

Step-by-step explanation:

Using formula:

$\text{P( at least one de-fective) = 1 - P( all calculators work )}$

$= 1-(\frac{34}{48}\times \frac{33}{47}\times \frac{32}{46}\times \frac{31}{45})\\\\= 1-(\frac{34}{1}\times \frac{11}{47}\times \frac{1}{23}\times \frac{31}{45})\\\\=1-(\frac{11594}{48647})\\\\=\frac{48647-11594}{48647}\\\\=\frac{37051}{48647}\approx 0.7616$

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3 years ago

2. In the circle graph above, you can see that 47% of the company's monthly income is used to pay the owner's personal salary. I

Lerok [7]

So whe have $\frac{47}{100}$ that is paid to the boss.

The boss won 2,176.10 this month. $\frac{2,176}{x}$
So our equation would end as...
$\frac{47}{100}=\frac{2,176}{x}$

We solve what can be solved...
0.47=\frac{2,176}{x}

Then we leave our unknown value alone...
0.47x=2,176
x=\frac{2,176}{0.47}

Last we solve...
x= 4,629.79
x≈4,630

So the answer is A.

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4 years ago

What is the sales tax on a jacket priced at $350 if the sales tax rate is 7%

gregori [183]

350 x .07 = 24.50

Your sale tax for a jacket would be $24.50.

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3 years ago