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True [87]
2 years ago
7

Lin notices that the number of cups of red paint is always 15 of the total number of cups (0.2 of the total number of cups). She

writes the equation r = 15t (r = 0.2t) to describe the relationship. Which is the independent variable? Which is the dependent variable? Explain how you know.
Mathematics
1 answer:
ivann1987 [24]2 years ago
7 0

Step-by-step explanation:

The number of cups of red paint is always 15 of the total number of cups. 0.2 of the total number of cups.

She writes the equation r = 15t (r = 0.2t) to describe the relationship.

In this case, the total no. of cups is an independent variable. No. of cups do not depend on any term.

The number of cups of red paint is a dependent variable as it depends on the number of cups.

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You need to determine where to place the beams so that the chains are fastened to the rollercoaster at a height of 25 feet.
liubo4ka [24]

The roller coaster is an illustration of a right triangle

  • The equation needed to solve the horizontal distance is h^2 =30^2 -25^2
  • The horizontal distance is 16.58 feet

<h3>How to determine the equation</h3>

The height is given as: 25 feet.

From the complete question, the length of the roller coaster is 30 feet.

Represent the horizontal distance with h.

Given that the roller coaster represents the hypotenuse side length, the following equation can be used to find h

30^2 = h^2 + 25^2

Collect like terms

h^2 =30^2 -25^2

<h3>The horizontal distance</h3>

In (a), we have:

h^2 =30^2 -25^2

This gives

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Take the roots of both sides

h =16.58

Hence, the horizontal distance is 16.58 feet

Read more about right triangles at:

brainly.com/question/2437195

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Answer:

1, 1:1

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