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Paha777 [63]
3 years ago
15

COMPLETE h 50 The sum n(n+6) = + 1575 RETRY

Mathematics
1 answer:
ycow [4]3 years ago
6 0

9514 1404 393

Answer:

  50575

Step-by-step explanation:

The correct answer choice is marked. Evaluating it gives ...

  the sum is 50,575

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The maximum load of a horizontal beam that is supported at both ends varies jointly as the width and the height and inversely as
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Answer:

360kg

Explanation:

Here, we want to get the maximum load supported

From the first part of the question, we have it that:

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g\text{ = k }\times\frac{wh}{l}

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Now, let us get the value of k

We substitute the first set of values as follows:

\begin{gathered} 360\text{ = }\frac{k\times0.1\times0.06}{6} \\  \\ k\text{ = 360,000 }\frac{kg}{m} \end{gathered}

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8 0
1 year ago
X2 − 6x + 8 > 0 solve
Masja [62]

Hello :

x²- 6x + 8 = x² - 2(3)(x) +8

                = (x² -2(3)(x) +9) - 9 + 8

               = ( x - 3 )² - 1²

               = (x - 3 + 1 ) (x - 3 - 1 )

x²- 6x + 8 = (x - 2 ) ( x - 4 )

x      - ∞             2             4              + ∞

ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ

x - 2       --------    0   +++++   +++++++

x - 4      ---------          --------  0  +++++

(x - 2 ) ( x - 4 )  +++ 0 ------ 0 ++++++  

x2 − 6x + 8 > 0   the solution in :  ]-∞:2[ U   ]4;+∞[


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