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klasskru [66]
3 years ago
15

Question Help

Mathematics
1 answer:
Roman55 [17]3 years ago
8 0
In commission he made $30, and in all he made 780$
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Prove that for every two positive integers a and b that
Aleks [24]
\((a+b)(\frac{1}{a}+\frac{1}{b}) \ \textgreater \  or = 4\)
\\
1+a/b+b/a + 1  \geq 4
\((a+b)(\frac{1}{a}+\frac{1}{b}) \ \textgreater \  or = 4\)


distributed 

choose 1 as your lowest positive integer

plug 1 into a and b

1 + 1 + 1 + 1\geq 4

6 0
3 years ago
X f(x)<br> -2 -1/200<br> -1 -1/20<br> 0 -1/2<br> 1 -5<br> 2 -50
Hitman42 [59]

9514 1404 393

Answer:

  f(x) = -1/2·10^x

Step-by-step explanation:

The y-intercept is -1/2.

The common ratio is (-1/20)/(-1/200) = 10, so the exponential function can be written as ...

  f(x) = -1/2·10^x

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3 years ago
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Answer:

Step-by-step explanation:

84, 225

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3 years ago
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4 years ago
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Find the slope if it exists, of the line containing the pair of points (5,8) and (10,-7)
Contact [7]

Answer:

slope: -1/6

Step-by-step explanation:

to find the slope of a line we can use the formula (y2-y1)/(x2-x1)

this means ththe second y subtracted by the first year divided by the second x subtracted by the first x

when plugged in you get (10-8)/(-7-5)

when simplified it becomes 2/-12 and then -1/6

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3 years ago
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