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GREYUIT [131]
3 years ago
7

123456789101112131415

Mathematics
1 answer:
WARRIOR [948]3 years ago
7 0

The mean is 85.2

Explanation:

Add all the numbers together

98+78+84+75+91=426

Divide the sum by the amount of numbers you added together

426/5= 85.2

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ricky bobby wants to buy a new automobile for $23000 in 4 years. How much money must ricky’s original investment be if he makes
nignag [31]

~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\dotfill &\$23000\\ P=\textit{original amount deposited}\\ r=rate\to 3.70\%\to \frac{3.70}{100}\dotfill &0.037\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &4 \end{cases}

23000=P\left(1+\frac{0.037}{12}\right)^{12\cdot 4}\implies 23000=P\left( \frac{12037}{12000} \right)^{48}\implies \cfrac{23000}{~~ \left( \frac{12037}{12000} \right)^{48}~~}=P \\\\\\ \cfrac{23000}{~~ \frac{12037^{48}}{12000^{48}}~~}=P\implies \cfrac{23000\cdot 12000^{48}}{12037^{48}}=P\implies 19840.43\approx P

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2 years ago
Manuel needs to read 6 novels each month. Let N be the number of novels Manuel needs to read in M months. Write an equation rela
Nikolay [14]
Each month Manuel reads 6 novels so you get
n = 6m
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7 0
3 years ago
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Milan puts 1/4 of her lawn mowing money savings and uses 1/2 of the remaining money to pay back her sister.If she has 15$ left,
Feliz [49]

Answer:

$40

Step-by-step explanation:

Let the amount of money she has at first be $x.

She put 1/4 for savings, this means she decides to spend 3/4. The 3/4 is equivalent to (3/4)x

Now, she puts half of the money not saved to pay back her sister and has $15 left.

This means the (3/4)x is equivalent to $30. This is because she used half which is $15 to pay back her sister.

Now, since (3/4)x equals 30, we calculate x

(0.75)x = 30

x = 30/0.75 = $40

She originally had $40

6 0
4 years ago
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suter [353]

Answer:

0.375

Step-by-step explanation:

Plug it into a calculator

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The correct answer is the correct spelling correct answer is that I don’t answer my question about it is correct
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