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3 years ago

Help help help help please

Mathematics

2 answers:

mylen [45]3 years ago

8 0

By $50

Explanation:

125 + 50 = 175
175 + 50 = 225
225 + 50 = 275

Final Answer:

$50

worty [1.4K]3 years ago

7 0

Answer:

By $50, and because 1 =125, it would be the starter cost.

Step-by-step explanation:

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Find the value of k so that 48x-ky=11 and (k+2)x+16y=-19 are perpendicular lines.

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Answer: k = -1 +/- √769

Step-by-step explanation:

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*************************************************************************

(k + 2)x + 16y = -19

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$\frac{16y}{16} = -\frac{(k + 2)x}{16} - \frac{19}{16}$

$y = -\frac{(k + 2)x}{16} - \frac{19}{16}$

Slope: $-\frac{(k + 2)}{16}$

**********************************************************************************

$\frac{48}{k}$ and $-\frac{(k + 2)}{16}$ are perpendicular so they have opposite signs and are reciprocals of each other. When multiplied by its reciprocal, their product equals -1.

$-\frac{(k + 2)}{16}$ * $\frac{k}{48}$ = -1