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Karo-lina-s [1.5K]
3 years ago
15

Shade the grid to represent the ratio. Then find the missing number. 11/20 = __/100

Mathematics
1 answer:
Lemur [1.5K]3 years ago
4 0

Answer: The missing number is 55

The denominators are 20 and 100. We multiply by 5 to jump from the smaller denominator to the larger.

Do the same for the numerators

11*5 = 55

Or you can solve the proportion below for x

11/20 = x/100

11*100 = 20*x

1100 = 20x

20x = 1100

x = 1100/20

x = 55

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nydimaria [60]

Answer:

x = 9 + 6i or x = 9 - 6i

Step-by-step explanation:

x² - 18x + 117 = 0

Complete the square and solve:

(x - 9)² - 81 + 117 = 0

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(x - 9)² = -36

x - 9 = ±sqrt(-36)

x - 9 = ±sqrt(-1).sqrt(36)

i = imaginary number = sqrt(-1)

x - 9 = ±6i

x = 9 ± 6i

There are no real solutions, only imaginary ones

9 + 6i and 9 - 6i

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Step-by-step explanation:

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How many solutions exist for the given equation?<br> 3(x - 2) = 22 -x
alexgriva [62]
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7 0
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