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zepelin [54]
2 years ago
5

Today only, a suit is being sold at a 67% discount. The sale price is $270.60.

Mathematics
1 answer:
ratelena [41]2 years ago
6 0

Answer:

$820.00

Step-by-step explanation:

x = price yesterday (initital price)

If it is 67% off, then the price is 33% of the initial.

x(.33) = 270.60

divide .37 on both sides

x = 820.00

The price of the suit yesterday is $820.00.

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Can any one help with this one ?​
loris [4]

Answer:

48,000

Step-by-step explanation:

320,000÷100=3200

1/100=3200

×15=48,000

therefore 15/100=48,000

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3 years ago
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Andreas93 [3]

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Hi, am I supposed to find the stationary points of the f(x) and g(x) then use the distance formula to solve for the final answer
nikdorinn [45]

9514 1404 393

Answer:

  maximum difference is 38 at x = -3

Step-by-step explanation:

This is nicely solved by a graphing calculator, which can plot the difference between the functions. The attached shows the maximum difference on the given interval is 38 at x = -3.

__

Ordinarily, the distance between curves is measured vertically. Here that means you're interested in finding the stationary points of the difference between the functions, along with that difference at the ends of the interval. The maximum difference magnitude is what you're interested in.

  h(x) = g(x) -f(x) = (2x³ +5x² -15x) -(x³ +3x² -2) = x³ +2x² -15x +2

Then the derivative is ...

  h'(x) = 3x² +4x -15 = (x +3)(3x -5)

This has zeros (stationary points) at x = -3 and x = 5/3. The values of h(x) of concern are those at x=-5, -3, 5/3, 3. These are shown in the attached table.

The maximum difference between f(x) and g(x) is 38 at x = -3.

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3 years ago
According to the diagram, point B lies on how many faces of the pyramid?
Lina20 [59]

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No other point is connect to those 4 lines

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Karolina [17]
The third option is correct
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