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VikaD [51]
3 years ago
5

There are 8 squares and 2 circles. What is the simplest ratio of circles to total shapes?

Mathematics
1 answer:
nignag [31]3 years ago
8 0

Answer:

2:10 I think

Step-by-step explanation:

because there are 2 circles and 10 shapes in total (I'm not sure)

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29

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The length and width of a rectangle are measured as 55 cm and 49 cm, respectively, with an error in measurement of at most 0.1 c
valentina_108 [34]

Answer:

The maximum error in the calculated area of the rectangle is 10.4 \:cm^2

Step-by-step explanation:

The area of a rectangle with length L and width W is A= L\cdot W so the differential of <em>A</em> is

dA=\frac{\partial A}{\partial L} \Delta L+\frac{\partial A}{\partial W} \Delta W

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dA=W\Delta L+L \Delta W

We know that each error is at most 0.1 cm, we have |\Delta L|\leq 0.1, |\Delta W|\leq 0.1. To find the maximum error in the calculated area of the rectangle we take \Delta L = 0.1, \Delta W = 0.1 and L=55, W=49. This gives

dA=49\cdot 0.1+55 \cdot 0.1

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Thus the maximum error in the calculated area of the rectangle is 10.4 \:cm^2

4 0
3 years ago
Examine the system of equations.
andre [41]

Answer:

x = -3

(-3,7)

Step-by-step explanation:

y = –3x – 2,

y = 7

We know the value of y, y=7

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Add 2 to each side

7+2 =  –3x – 2+2

9 = -3x

Divide each side by -3

9/-3 = -3x/-3

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3 years ago
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