Answer:
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Answer:
Expression II and Expression III
Step-by-step explanation:
4n + 9 + n + 5n = 10n + 9
add 4n + 5n + n = 10n
add the 9 after that which equals 10n + 9 which is equivalent to Expression III
Answer:
1 : 3000
Step-by-step explanation:
Given that:
Scale measurement as following:
4 centimeters are equal to 120 meters.
To find:
The scale factor = ?
Solution:
First of all, let us learn about the definition of scale factor.
Scale factor means 1 unit on scale is equal to what length of actual measurement.
We are given that 4 cm on scale is equal to 120 meters of actual length.
We need to find nothing but how much 1 cm of scale is equal to actual length.
4 cm of scale = 120 meters or 12000 cm of actual length
Dividing by 4 on both sides, we get:
= 1 cm of scale = = 3000 cm of actual length
Therefore, the scale factor is <em>1 : 3000</em>
Answer:
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Step-by-step explanation: true story
Answer:
Yes, they are proportional
Step-by-step explanation:
First, simplify each fraction
30/80 can be simplified by dividing each number by 10
30/80
= 3/8
24/64 can be simplified by dividing each number by 8
24/64
= 3/8
So, each fraction will simplify to 3/8, meaning that they are proportional.