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zalisa [80]
3 years ago
10

Never mind. I meant these problems. Please find the mean, median, and mode.

Mathematics
1 answer:
Sergio [31]3 years ago
8 0
Median mean to find the center of the data
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A 46 gram sample of a substance that is used to sterilize surgical instruments has a k-value of 0.1374. Find the substance's hal
mars1129 [50]

Answer:

  t=5.0days

Step-by-step explanation:

Using the formula for the exponential decay that is N=N_{0}e^{-kt}, we have N=\frac{1}{2}{\times}46=23, N_{0}=46 and k=0.1374.

Thus, N=N_{0}e^{-kt} becomes

23=46{\times}e^{-0.1374t}

\frac{23}{46}=e^{-0.1374t}

\frac{1}{2}=e^{-0.1374t}

Taking log on both sides, we get

ln(\frac{1}{2})={-0.1374t}

t=\frac{ln\frac{1}{2}}{-0.1}

t=\frac{-0.6931}{-0.1374}

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4 0
3 years ago
How do you factor these three trinomials?
larisa [96]

Answer:

here this should help you understand.

Step-by-step explanation:

https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratic-functions-equations/x2f8bb11595b61c86:completing-square-quadratics/v/completing-the-square-to-solve-quadratic-equations

5 0
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Multiply<br> ( 2 x – y ) ( 3 x + y )
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Answer: 6x^2-xy-y^2.

Tell me if you want step by step!!

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2 years ago
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The y - intercept is y=-5/3 x-4
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Answer:

<u>-4 </u>

Step-by-step explanation:

This is the slope-intercept form of a line equation.

This means that -5/3 is the slope of the line.

It also means that -4 is the y intercept.

<u>-4 is the y intercept.</u>

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Which point lies below the x-axis and to the right of the
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The answer is (4,-6)
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3 years ago
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