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Nostrana [21]
3 years ago
9

Divide. (20x3 − 35x + 18) ÷ (5x − 5)

Mathematics
1 answer:
Sophie [7]3 years ago
7 0
I think your answer would be -7.9 hope that helps!
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Find the area of the figure. (Sides meet at right angles.)
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The area of the figure is 48 cm^2

Step-by-step explanation:

Break it into 3 different quadrilaterals and find the area of each one.

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What is the linear equation for slope= 5 (4,7)
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Step-by-step explanation:

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You toss a coin and spin a spinner. The spinner has four equal sections that are numbered from 1 to 4. Find the probability of g
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After a 32% discount is applied, you purchase a new phone case for $51.20. What was the price before the sale?
cupoosta [38]

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$67.70

Step-by-step explanation:

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3 years ago
A rectangle with sides measuring x in. and 4x-1 in. has an area of 663in.^2. What are the dimensions of the rectangle?
serious [3.7K]

9514 1404 393

Answer:

  13 in by 51 in

Step-by-step explanation:

The area is the product of the dimensions, so is ...

  663 = x(4x -1)

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Using the quadratic formula, we can find the solutions.

  x = (-(-1) ±√((-1)^2 -4(4)(-663)))/(2(4))

  x = (1 ± √10609)/8 = (1 ±103)/8

Only the positive solution is of any use in this problem, so ...

  x = 104/8 = 13

  4x-1 = 4(13)-1 = 51

The dimensions of the rectangle are 13 inches by 51 inches.

__

I find it easiest to solve these using a graphing calculator.

8 0
3 years ago
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