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lakkis [162]
3 years ago
5

Solve the following system of equations graphically. 2x -y = -1 x + y = -2

Mathematics
1 answer:
Alenkasestr [34]3 years ago
8 0

Answer:

  (x, y) = (-1, -1)

Step-by-step explanation:

See below for the graph. The point of intersection of the two lines is (-1, -1).

The solution is (x, y) = (-1, -1).

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The population of a certain country is expected to double every 32 years. The population of this country was 4.2 million people
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Answer:

2.2%

Step-by-step explanation:

Given the following :

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Using the exponential growth formula :

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8,400,000 = 4,200,000 × g^32

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g = 1.02189714865

g = (1 + r)

1.02189714865 = 1 + r

r = 1.02189714865 - 1

r = 0.02189714865

.rate = 0.02189714865 * 100

= 2.18971486541%

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3 years ago
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Answer:

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