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Tamiku [17]
2 years ago
15

100 points AND BRAINIEST ONLY FOR CORRECT ANSWERS

Mathematics
2 answers:
nikitadnepr [17]2 years ago
8 0

Answer:

2 : 3 = 6 : 9

10 : 12 = 5 : 6

8 : 5 = 16 : 10

3 : 1 = 6 : 2

2 : 10 = 1 : 5

5 : 4 = 15 : 12

6 : 4 = 3 : 2

5 : 3 = 10 : 6

Step-by-step explanation:

Equivalent ratios are those that can be simplified or reduced to the same value.

For example,

Reduce 10 : 6 = 5 : 3

Reduce 16 : 10 = 8 : 5

Reduce 15 : 12 = 5 : 4

Reduce 6 : 9 = 2 : 3

Reduce 6 : 12 = 1 : 2

Therefore,

2 : 3 = 6 : 9

10 : 12 = 5 : 6

8 : 5 = 16 : 10

3 : 1 = 6 : 2

2 : 10 = 1 : 5

5 : 4 = 15 : 12

6 : 4 = 3 : 2

5 : 3 = 10 : 6

Alina [70]2 years ago
4 0

i dont know but pls brainiest

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Answer:

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Step-by-step explanation:

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3 years ago
The population of a certain country is expected to double every 32 years. The population of this country was 4.2 million people
mojhsa [17]

Answer:

2.2%

Step-by-step explanation:

Given the following :

Population in year 2000 (A) = 4.2 million

Expected population every 32 years = 2 *A

The growth rate per year =?

The population figure after 32 years = (2 * 4.2 million) = 8.4 million

Using the exponential growth formula :

P(t) = A × (1 + r)^t

(1 + r) = g = Total growth percent

A = Initial population

t = time

P(t) = 8.4 million

8,400,000 = 4,200,000 × g^32

g^32 = (8400000/4200000)

g^32 = 2

Taking the root of 32 on both sides

g = 1.02189714865

g = (1 + r)

1.02189714865 = 1 + r

r = 1.02189714865 - 1

r = 0.02189714865

.rate = 0.02189714865 * 100

= 2.18971486541%

= 2.2% ( nearest tenth)

4 0
4 years ago
Which step comes last when using the divide-center method to find the trend line on a scatterplot?
stepan [7]

Answer:

Connect the two centers to produce the trend line

Step-by-step explanation:

When the dots have been plotted, there are three steps to find the trend line on a scatter plot:

1.  Draw a vertical line that separates the full set of points into two sets, each with the same number of dots.

2.Mark with a special sign (e.g + or ×) the middle value in each of the two sets obtained in the previous step.

3.Join the two marks mentioned in the step (2) with a straight line, and extend it to the edges of the graph. This line is the trend line, and this is the last step.

Thus, the last step when using the divide-center method to find the line on scatter plot is Connect the two centers to produce the trend line.

6 0
3 years ago
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shepuryov [24]

Answer:

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6.) 20.5

5 0
3 years ago
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