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3 years ago

HELP

Mathematics

2 answers:

kkurt [141]3 years ago

6 0

Answer:

410 1/2 inch cubes

Step-by-step explanation:

if 210 1/2 inch cubes can fit

then 410 is doubble of 210

drek231 [11]3 years ago

6 0

Answer: 240 quater inch cubes

Step-by-step explanation:

We know that the prism can fit 210 1/2 inch cubes. If we were to hypotheicly cut each block in half it would now have 240 1/4 inch cubes.

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The point P(1,1/2) lies on the curve y=x/(1+x). (a) If Q is the point (x,x/(1+x)), find the slope of the secant line PQ correct

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See explanation

Step-by-step explanation:

You are given the equation of the curve

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Point $P\left(1,\dfrac{1}{2}\right)$ lies on the curve.

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$\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{\frac{x}{1+x}-\frac{1}{2}}{x-1}=\dfrac{\frac{2x-(1+x)}{2(x+1)}}{x-1}=\dfrac{\frac{2x-1-x}{2(x+1)}}{x-1}=\\ \\=\dfrac{\frac{x-1}{2(x+1)}}{x-1}=\dfrac{x-1}{2(x+1)}\cdot \dfrac{1}{x-1}=\dfrac{1}{2(x+1)}\ [\text{When}\ x\neq 1]$