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faltersainse [42]
3 years ago
8

Represent the following statement by an equation: 17 times the sum of a number n and 31 is 357

Mathematics
2 answers:
bagirrra123 [75]3 years ago
5 0
[tex]Ans.\ the\ quation\ is:\ \ \ \ \ 17\cdot(n+31)=357\ /:17\\\\n+31=21\\\\n=21-31\\\\n=-10[/tex]


Paha777 [63]3 years ago
3 0
"The sum of the number 'n' and 31" . . . . . (n + 31)

"17 times the sum" . . . . . 17(n + 31)

The equation . . . . . 17(n + 31) = 357
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Step-by-step explanation:

A function and its tangent lines intersect when their slopes are the same. Find the x-coordinate when the slope of f(x) is equal to 8/7 by taking the derivative of f(x):

\displaystyle\\f(x)=\sqrt{x}-x+4\\f'(x)=\frac{1}{2}\cdot\frac{1}{\sqrt{x}}-1=\frac{1}{2\sqrt{x}}-1

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\displaystyle\\y=\sqrt{x}-x+4 \vert_{x=49/900}=\frac{3761}{900}

⇒Answer: (49/900, 3761/900) or approximately (0.544, 4.179)

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