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frosja888 [35]
3 years ago
14

What is 5K +(-2k)-(-1)

Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

5 K -2 k +1

Step-by-step explanation:

When there is a + in front of an expression in parentheses, the expression remains the same.

5 K -2 K - (-1)

When there is a - in front of an expression in parentheses, change the sign of each term in the expression

5 K - 2k +1

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Which equation represents the horizontal line passing through (5, 3)?
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Step-by-step explanation:

General equation for horizontal line: y = a

Since the point (5, 3) has y-value 3,

the equation of the horizontal line is y = 3.

7 0
3 years ago
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-2x^8

5 0
2 years ago
Factor the expression using the GCF.<br><br> 14x−98
pashok25 [27]

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8 0
3 years ago
Read 2 more answers
226Ra has a half-life of 1599 years. How much is left after 1000 years if the initial amount was 10 g?
Ray Of Light [21]
\bf \textit{Amount for Exponential Decay using Half-Life}\\\\&#10;A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\\&#10;P=\textit{initial amount}\to &10\\&#10;t=\textit{elapsed time}\to &1000\\&#10;h=\textit{half-life}\to &1599&#10;\end{cases}&#10;\\\\\\&#10;A=10\left( \frac{1}{2} \right)^{\frac{1000}{1599}}
8 0
3 years ago
Q # 1 simplify the expression
Agata [3.3K]
<u>Answer</u>

95,040

<u>Explanation</u>
The interpretation of this expression is; the number of permutation of 5 objects out of 12.

12P5 = 12!/(12-5)!

         =12!/7!
         =(12×11×10×9×8×7×6×5×4×3×2×1)/(7×6×5×4×3×2×1)

         =12×11×10×9×8
         =95,040

5 0
3 years ago
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