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3 years ago

PLEASE I NEED HELP, DUE IN 1hr!!!!

Mathematics

1 answer:

cricket20 [7]3 years ago

6 0

Answer:

$137,339.88

Step-by-step explanation:

Here is the equation for compound interest: A=P(1+(r/n))^nt

where A=amount of money, P=principal, r= rate in decimal, n=number of times compounded per t, and t=time

In this case:

A=$250,000

P= ?

r= 0.04

n= 12 month/yr

t= 15 yrs

You can manipulate the equation to solve for P:

P=A/[(1+(r/n))^nt]

Plug in variables then solve:

P= $\frac{250,000}{(1+\frac{0.04}{12})^{12*15} }$

P=137339.8761 = $137,339.88

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the advertised weight of a snickers fun size bar is 17 grams. what proportion of candy bars in this sample weigh less than adver

irakobra [83]

0.412 proportion of candy bars in this sample weigh less than advertised.

<h3>What do you mean by Proportion?</h3>

The size or a number of one things (groups) as compared to that of another thing.

For example:

1. The proportion of cars and bike in your home is 4/5

2. The proportion of boy and girl in a classroom is 1/2.

3. The proportion of sea and land 3/4.

4. The proportion of kinetic energy and potential energy is 5:2.

From the given list of data:

Remove the weights which are less than the weight of the advertised weight of the snickers fun.

we will get 7g

now, the proportion will be: 7g/17g

which is 0.412

Hence,

0.412 proportion of candy bars in this sample weigh less than advertised.

Learn more about " Proportion " from here: brainly.com/question/2548537

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Disclaimer: The question given was incomplete on the portal. Here is the complete question.

Question: the advertised weight of a snickers fun size bar is 17 grams. what proportion of candy bars in this sample weigh less than advertised? (round your answer to three decimal places.) See the attached figure for the data.

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Step-by-step explanation:

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5.3.4 Journal: Two-Variable Systems Elimination <br><br> I need urgent help

max2010maxim [7]

Answer:

1) X stands for individual acts and y, group acts. 2) Each scenario describes a different period in minutes, but each one respecting their different amounts (individual and group acts). 3) $S=\left \{ 5,10 \right \}$

Step-by-step explanation:

Completing with what was found:

<em> 1) Here is a summary of the scenario your classmate presented for the talent show:Main show The main show will last two hours and will include twelve individual acts and six group acts.Final show The final show will last 30 minutes and will include the top four individual acts and the top group act.The equations he came up with are: 12x+ 6y= 120, 4x+ y= 30</em>

1. What do x and y represent in this situation?

X stands for individual acts and y, group acts.

Besides that, In the system of equation, they represent the time for x, and the time for y.

2. Do you agree that your classmate set up the equations correctly? Explain why or why not.

Yes, that's right. Each scenario describes a different period in minutes, but each one respecting their different amounts (individual and group acts). Either for 120 minutes or 30 minutes length. And their sum totalizing the whole period.

3. Solving the system by Elimination

$\left\{\begin{matrix}12x+ 6y= 120\\ 4x+ y= 30\end{matrix}\right.\\\left\{\begin{matrix}12x+ 6y= 120\\ 4x+ y= 30\:*(-3)\end{matrix}\right.\\\left\{\begin{matrix}12x+ 6y= 120\\ -12x+ -3y= -90\end{matrix}\right.\\3y=30\Rightarrow y=10\\4x+(10)=30\Rightarrow 4x=20\Rightarrow x=5\\S=\left \{ 5,10 \right \}$

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