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nordsb [41]
3 years ago
11

X= -y + 3 3x - 2y = -1

Mathematics
1 answer:
nikdorinn [45]3 years ago
6 0

Answer:ok whats the proplem?

Step-by-step explanation:

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In the monthly payment formula , what value would you put for r if the interest rate is 5.7%?
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In the monthly payment formula r is the percentage rate as a decimal.

To turn a percentage into a decimal, move the decimal point 2 places to the left.
 5.7% becomes 0.057

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What’s the greatest common factor of 12 and 18
Alchen [17]

Answer:

6

Step-by-step explanation:

6 is the greatest common factor of 12 and 18

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What is the sum of the first 5 terms of geometric series with a1=10 and r=1/5
steposvetlana [31]
\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=10\\
n=5\\
r=\frac{1}{5}
\end{cases}

\bf S_5=10\left( \cfrac{1-\left( \frac{1}{5} \right)^5}{1-\frac{1}{5}} \right)\implies S_5=10\left( \cfrac{1-\frac{1}{3125}}{\frac{4}{5}} \right)
\\\\\\
S_5=10\left( \cfrac{\frac{3124}{3125}}{\frac{4}{5}} \right)\implies S_5=10\cdot \cfrac{781}{625}\implies S_5=\cfrac{1562}{125}
7 0
3 years ago
When expressed as a single logarithm, ln x + 5 ln y - 1/2 ln z is equivalent to:
Fofino [41]
Lnx+5lny-1/2lnz= ln(5x) - ln√z ==> ln[(5x)/√(z)]

4 0
3 years ago
What number is 60 percent of 21.8
Mrac [35]
So, first, since 21.8 is a whole thing and you need a part, write x/21.8. Then, compare it to 60/100, or 60%. 100/21.8=4.76. So, divide 60/4.76 and your answer is 12.6.

Glad to help.

-A
8 0
4 years ago
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