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tankabanditka [31]
3 years ago
15

In the first week of August, there were 1,060 people at an amusement park. In the second week, there was a 20% decrease in atten

dance. The park had estimated that 1,500 people would attend the 2nd week. What is the approximate percent error of their estimate?
Mathematics
1 answer:
Natali [406]3 years ago
4 0

Answer:

solution

1060/100=10.6

20x10.6=212

1060-212=848

1500-848=652

(652/848)x100=76.886%

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5 0
3 years ago
Sharon and Jacob started at the same place. Jacob walked 3 m north and then 4 m west. Sharon walked 5 m south and 12 m east. How
Ilya [14]

Consider the coordinate plane:

1. The origin is the point where Sharon and Jacob started - (0,0).

2. North - positive y-direction, south - negetive y-direction.

3. East - positive x-direction, west - negative x-direction.

Then,

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The distance between two points with coordinates (x_1,y_1) and (x_2,y_2) can be calculated using formula

D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}.

Therefore, the distance between  Jacob and Sharon is

D=\sqrt{(12-(-4))^2+(-5-3)^2}=\sqrt{16^2+8^2}=\sqrt{256+64}=\sqrt{320}=8\sqrt{5}\approx 11.18\ m.

7 0
3 years ago
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