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Alona [7]
3 years ago
6

A square is changed into a new rectangle by increasing its width by 2 inches and decreasing its length by 2

Mathematics
1 answer:
solniwko [45]3 years ago
5 0

Answer: The area of the square is 64 square inches and the area of the new rectangle is 60 square inches. The square's area is 4 inches larger than the rectangle.

Step-by-step explanation: If a side length of the square measures 8 inches, then its area can be calculated as follows;

Area = L x W

The length and the width both measure 8 inches (all sides of a square are equal in length).

Area = 8 x 8

Area = 64

Also, the the new rectangle is formed by increasing the width of the square by 2 inches (that is 8 + 2 = 10), and decreasing the length by 2 inches (that is 8 - 2 = 6). The area of the new rectangle is calculated as follows;

Area = L x W

Area = 10 x 6

Area = 60

Therefore the area of the square is 64 square inches and the area of the rectangle is 60 square inches. The area of the square is 4 inches larger than that of the rectangle.

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snow_lady [41]
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3 years ago
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Tcecarenko [31]

Answer:

a) a(t)= 6.27e^{0.0147*t}

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d) 47 years

Step-by-step explanation:

a)Here we know standard exponential growth rate is

a(t)= ae^{k*t}

In this put t=0 and a(t)=6.27 million

thus we get a = 6.27 million

now \frac{da}{dt}=a(t)k

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b)Put t = 6

we get

a(t)= 6.27e^{0.0147*6}

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c) 8 = 6.27e^{0.0147*t}

  take log both sides

we get 16.52 years

d) 2*6.27=6.27e^{0.0147*t}

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3 0
2 years ago
Scored 72 times out of 150 what percent of his shots did he score?
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Whoever scored 72 shots out of 150. Did, In fact, score 48% of their shots.
 
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72:150 (72/150)

72/150 

= 0.48

0.48(100) = 48

... 48%
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