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timofeeve [1]
2 years ago
6

Match the terms to their definition. 1. part-whole ratio a ratio comparing a portion of a whole quantity to the whole quantity 2

. ratio a comparison of two quantities or numbers as a quotient 3. part-part ratio a ratio comparing two portions of a whole quantity to each other
Mathematics
1 answer:
dem82 [27]2 years ago
4 0

Answer:

They're already matched... at least they way you typed it.

Step-by-step explanation:

A ratio is a comparison of two numbers as a fraction or quotient. A part-whole ratio is a ratio comparing a part of something to the whole thing. A part-part ratio is ratio comparing two different parts of one whole.

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During a tunnel construction project, engineers used explosives to excavate partway into a mountain. Because of time constraints
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The given data can be tabulated as:

number of days,x                            length of tunnel (ft), y

0                                                                              225

5                                                                              350

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To check if the growth is linear, the slope at points (0, 225) and (5, 350), and (0, 225) and (20, 725) should be equal. The formula for slope is:

m = (y2 – y1) / (x2 – x1)

 

Finding for slope (0, 225) and (5, 350):

m = (350 – 225) / (5 – 0) = 25

 

Finding for slope (0, 225) and (20, 725):

m = (725 – 225) / (20 – 0) = 25

 

Therefore the equation is linear in the form of:

y = mx + b

where b is the value of y at x = 0, so b = 225

 

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y = 25x + 225

 

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y = 25(86) + 225

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3 years ago
A video game has 25 levels. At level one, a player has 5 points. Each additional level increases the player's points by 10. If
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Answer:

<u>B. (3,25)</u>

Step-by-step explanation:

x = level of the video game

y = number of points

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Therefore, we can use the function notation this way:

f(x) = 5x + 10

<u>The only ordered pair given that is from this function is:</u>

<u>B. (3,25)</u>

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