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Romashka [77]
2 years ago
5

The store had 520 customers this week and 780 customers last week. What is the percent of change for the 2 weeks and was it an i

ncrease or a decrease?​
Mathematics
1 answer:
mr_godi [17]2 years ago
8 0
It’s a 33.3333% decrease in customers
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Answer:

200.96 units^2

Step-by-step explanation:

50.24/Pi = 16 (diameter)

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area = Pi(r^2)

area = 3.14(8^2) = 200.96 units^2

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Answer:

Step-by-step explanation:

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An airplane leaves an airport at 9:00 p.M. With a heading of 270 and a speed of 610 mph. At 10:00 p.M. The pilot changes the he
timama [110]

Answer:

2330.51 miles

Step-by-step explanation:

Given that the speed of the airplane = 610 mph.

The airplane leaves an airport at 9:00 P.M. with a heading of 270 degrees and at 10:00 P.M., the pilot changes the heading to 310 degrees.

So, for 1 hour the plane is heading at 270 degrees and for 3 hours, from 10:00 p.m to 1:00 a.m, the plane is heading at 310 degrees as shown in the figure.

As, distance = time x speed, so

The distance covered at 270 degrees, d_1 = 1\times610=610 miles.

The distance covered at 310 degrees, d_2 = 3\times610=1830 miles.

Total distance covered, d, is the magnitude of the sum of vectors \vec{d_1} and \vec{d_2} as shown in the figure.

The angle between the vectors \vec{d_1} and \vec{d_2}, \theta=310-270=40 degree.

Magnitude of sum of the vectors \vec{d_1} and \vec{d_2},

d= \sqrt{|\vec{d_1}|^2+|\vec{d_2}|^2+2|\vec{d_1}|\;|\vec{d_2}|\cos\theta} \\\\\Rightarrow d=\sqrt{610^2+1830^2+2|\vec{d_1}|\;|\vec{d_2}|\cos\(40^{\circ})}

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We just need to find the missing statement to prove that angle AED is congruent to CED
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Simplify the following expression into the form a + bi, where a and b are rational numbers.
vagabundo [1.1K]
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Using FOIL on the last part,
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