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Debora [2.8K]
3 years ago
5

The price of a bottle of water at a store decreases from 2.65 to 1.40 round to the nearest tenth of a percent what is the percen

t decrease in the price of the bottle of water
Mathematics
2 answers:
zaharov [31]3 years ago
7 0

Answer:

50% ( rounded to the nearest tenth of a percent)

Step-by-step explanation:

In this question, we are asked to find the percentage decrease in the price of the bottle of water.

To do this, what we do is that we subtract the new price from the old price, then we divide the result by the old price and multiply the result by 100.

Mathematically,

Percentage decrease in price = (old price- new price)/old price * 100%

Percentage decrease in price= (2.65-1.4)/2.65 * 100%

1.25/2.65 * 100% = 47.2%

We were asked to round to the nearest tenth of a percent. This brings our answer to 50%

dmitriy555 [2]3 years ago
5 0

Answer:

47.2 %

Step-by-step explanation:

Given:

Initial price, P1 = 2.65

Final price, P2 = 1.40

% price decrease = change in price/initial price × 100

Change in price = P1 - P2

= 2.65 - 1.40

= 1.25

% decrease = 1.25/2.65 × 100

= 47.2 %

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2 years ago
Do two whole numbers always have a least common multiple?
finlep [7]
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3 years ago
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.

4 0
3 years ago
What is the answer to 5(n-7)=2(n+14) work
pickupchik [31]

Answer:

n = 21

Step-by-step explanation:

5(n-7)=2(n+14)

Distribute

5n -35 = 2n+28

Subtract 2n from each side

5n-2n -35 = 2n-2n +28

3n-35 =28

Add 35 to each side

3n-35+35 = 28+35

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Divide by 3

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5 0
3 years ago
Read 2 more answers
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blagie [28]

Answer:

Step-by-step explanation:

Start box

180 = 89+42+x

180-89-42=x

49 = x

2nd box

180 = 84+58+x

180-84-58=x

38 = x

3rd box

180=74+2x

180-74=2x

106/2 = x

53 = x

4th box

180=102+2x

180-102=2x

78/2 = x

39 = x

4th box

180 = 73+81 +x

180-73-81=x

26 = x

5th box

180=2*54+x

180 - 2*54 = x

72 = x

6th box

180=62-2x

180-62=2x

118=2x

118/2=x

59 = x

7th box

180 = 2*68 + x

180-2*68=x

44 = x

3 0
2 years ago
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