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Georgia [21]
3 years ago
13

Visualize the following procedure: Tear in half a square piece of paper with an area of one square unit. Then tear it in half ag

ain. Predict the area of one of the resulting rectangles after 5 tears.
Mathematics
2 answers:
7nadin3 [17]3 years ago
8 0

Answer:

= 0.0625 in²

Step-by-step explanation:

Area of a piece of paper = 1 unit²

then we tear this paper into half.

So area becomes 0.5 unit²

In this way the sequence formed will be

1, 0.5, 0.25, .........

This sequence is a geometric sequence

as \frac{T_{2} }{T_{1}}= \frac{0.5}{1}=0.5

common ratio r = 0.5

We have to find the 5th term of this sequence

Explicit formula of a geometric sequence is represented by

             T_{n} =a(r)^{n-1}

Now      T_{5} =1(0.5)^{5-1}

                   = (0.5)⁴

                   = 0.0625 in²

After 5 tears area would be  0.0625 in²

Nadusha1986 [10]3 years ago
4 0

Answer:

Area = \frac{1}{16} square units

Step-by-step explanation:

To predict the area of the piece of paper after 5 tears we can use a geometric sequence.

Each time a piece is torn, half of the previous area is lost. If the area of the first piece is 1 square unit then:

a_1 = 1\\\\r = \frac{1}{2}\\\\a_2 = 1 *\frac{1}{2}\\\\a_2 = \frac{1}{2}\\\\a_n = 1(\frac{1}{2})^{n-1}\\\\a_5 = 1(\frac{1}{2})^{5-1}

a_5 = \frac{1}{16} square units

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