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MrMuchimi
2 years ago
6

Select the correct answer.

Mathematics
1 answer:
Afina-wow [57]2 years ago
5 0

Answer:

d)\ \frac{81}{m^{7}}

Step-by-step explanation:

(3m^-4)^3(3m^5)

First, simplify (3m^{-4})^3:

(3m^{-4})^3\\\\3^3*m^{-4*3}\\\\27m^{-12}

27m^{-12}*3m^5\\\\27*3 *m^{-12+5}\\\\81m^{-7}\\\\81*\frac{1}{m^{7}} \\\\\frac{81}{m^{7}}

Hope this helps!

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Two consumers borrowed 10000 for five years bob has credit score of 650 and has an intrest rate of 11.5% while tyree has a credi
Serga [27]
Here is the answer to the problem above.

For Bob:

m = 10,000 (0.115/12) (1 + 0.115/12) (12.5)
       ---------------------------------------------------
             (1 + 0.115/12) (12.5) - 1
m = 219.93 * 60
m = $13195.80

For Tyree:

m = 10,000 (0.08/12) (1 + 0.08/12) (12.5)
       ---------------------------------------------------
             (1 + 0.08/12) (12.5) - 1
m = 202.76 * 60
m = $12165.60

M of Bob - M of Tyree
$13195.80 - $12165.60 = $1030.20

$1030.20 is the total difference between the two men.
5 0
3 years ago
Help me please <br> i help need it badly
11111nata11111 [884]
8.6x + 8.2x = ?
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Answer:
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5 0
3 years ago
Question 131 ptsIt takes a team of 8 workers 2 hours and 15 minutes to clean 12 apartments. Howmany apartments can the tearsclea
Amanda [17]
48\:apartments\:in\:9\:hours

1) In this problem, the first thing to do is to enlist the categories:

workers time to clean # apartments

8 2h15 12

8 9 x

2) Note that the number of cleaners is the same. So, we can pick the ratios that fall under the category <em>time </em>and <em>#apartments</em>

<em />

We need to convert that 2h 15 into decimal form before setting the ratios:

2h15\:2+\frac{15}{60}=2.25

3) Now, we can set the ratios and solve for x:

\begin{gathered} \frac{2.25}{9}=\frac{12}{x} \\ 2.25x=12\cdot9 \\ \frac{2.25x}{2.25}=\frac{108}{2.25} \\ x=48 \end{gathered}

Thus, the answer is 48

5 0
1 year ago
Please simplify: w^2-w-12
Rasek [7]
1: w=3
2:w=-4
( 1): ''w2'' was replaced by ''w^2''
w^2+w-(12)=0
3 0
4 years ago
Read 2 more answers
Math again sadly i need help on
dalvyx [7]

Answer:

13x+12

Step-by-step explanation:

27x-14x=13

+12 because there is nothing else there

5 0
3 years ago
Read 2 more answers
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