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kirza4 [7]
2 years ago
9

Find the small positive integer solution that solves the equation. if there is no solution, type NONE.

Mathematics
1 answer:
Degger [83]2 years ago
7 0

9514 1404 393

Answer:

  x = 7

Step-by-step explanation:

The equation can be rewritten to ...

  8x = 13n +4 . . . . for some integers x and n

  x = (13n +4)/8

For x to be an integer, 13n must be an odd multiple of 4. Since 13 is an odd number, n=4 will do.

  x = (13·4 +4)/8 = 56/8

  x = 7

__

The graph shows a "trial and error" method of solution. Only values of x less than 13 need to be examined.

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2y+18=42 what is y, and how would you find it?
Nesterboy [21]

Answer:

y=12

Step-by-step explanation:

Use order of operations. Subtract 18 from both sides and the divide by 2.

2y+18 -18=42-18

2y=24

y=12

3 0
3 years ago
An airplane flies 3,080 km from Houston to New York at a speed of 770 km/h. How long did it take the plane to travel that distan
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Step-by-step explanation:

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faltersainse [42]

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the equation (simplified) the inverse of y=2x^2?
Yuki888 [10]
2x^2=y\ \ \ |divide\ both\ sides\ by\ 2\\\\x^2=\dfrac{y}{2}\\\\\boxed{x=\sqrt{\frac{y}{2}}}\\\\x=\dfrac{\sqrt{y}}{\sqrt2}=\dfrac{\sqrt{y}\cdot\sqrt2}{\sqrt2\cdot\sqrt2}\to\boxed{x=\dfrac{\sqrt{2y}}{2}}\\\\\\\boxed{f(x)=2x^2\to f^{-1}(x)=\dfrac{\sqrt{2y}}{2}}
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3 years ago
Find the zeros of the function F(x)=x^2-9x-9
Marta_Voda [28]
F(x)=x^3+x^2-9x-9
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=(x+1)(x^2-9)

=(x+1)(x+3)(x-3)
Hope that this helps
8 0
3 years ago
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