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3 years ago

Solve for b in: (2B/x)-Q=Z

Mathematics

2 answers:

andrezito [222]3 years ago

7 0

Answer:

B = (zx/2)+ (qx/2)

Step-by-step explanation:

Montano1993 [528]3 years ago

7 0

Answer:

b = x(z+q)/2

Step-by-step explanation:

step 1: add Q to each side

step 2: multiply each side by x

step 3: divide each side by 2

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Solve 9x^2- 17x- 85 = 0 Give your solutions correct to 3 significant figures.

dybincka [34]

Answer:

$x =\frac{17}{18} +\frac{1}{18} \sqrt{3349}$ OR $x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

Step-by-step explanation:

9x2−17x−85=0

For this equation: a=9, b=-17, c=-85

9x2+−17x+−85=0

Step 1: Use quadratic formula with a=9, b=-17, c=-85.

$x =\frac{-b + \sqrt{b^{2}-4ac } }{2a}$

$x =\frac{-(-17)+\sqrt{(-17)^{2} -4(9)(-85)} }{2(9)}$

$x =\frac{17}{18} +\frac{-1}{18} \sqrt{3349}$

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ololo11 [35]

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Nuetrik [128]

Step-by-step explanation:

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Alborosie

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It takes Chris 6.5 hours to drive 455 miles. If he travels at the same rate, how long will it take him to drive 2100 miles?

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