4 years ago

20 POINTS PLEASE I NEED THIS NOW!!

Mathematics

1 answer:

Andrej [43]4 years ago

3 0

Answer: The answer would be $50. Hope this helps :)

Step-by-step explanation:

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A contractor currently has 20 construction workers working on a building. When the building is finished, it will have 20 stories

lidiya [134]

Answer:

The number of construction workers is the independent variable.

Step-by-step explanation:

The time it takes to finish the building depends on how many people work on it. So, the time it takes is the dependent variable, which depends on how many people work on it, which is the independent variable.

8 0

3 years ago

Adam, Brian, and Christine order two small pizzas. Adam eats three quarters of a pizza, Brian eats one third of a pizza, and Chr

vampirchik [111]

<h3>Answer: 11/12</h3>

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Explanation:

3/4 = 9/12 after multiplying top and bottom by 3

1/3 = 4/12 after multiplying top and bottom by 4

When combining the fractions 3/4 and 1/3, we get,

3/4 + 1/3 = 9/12 + 4/12 = (9+4)/12 = 13/12

Let's convert that result into a mixed number

13/12 = (12+1)/12

13/12 = 12/12 + 1/12

13/12 = 1 + 1/12

13/12 = 1 & 1/12

Adam and Brian have collectively eaten 1 full pizza plus an additional 1/12 of the second pizza. This leaves 11/12 of the second pizza for Christine to eat. Notice how the fractions part 1/12 and 11/12 add to 12/12 = 1.

Check out the diagram below.