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Nikitich [7]
3 years ago
12

Michael reads 12 pages of a book in 18 minutes, 8 pages in 12 minutes, and 20 pages in 30 minutes. I’d this a proportional relat

ionship? What does it represent? Write an equation to represent this situation.
Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

Answer:

Y= 1.5x

Step-by-step explanation:

What you would do is divide all of the minutes by the amount of pages to find how long for each rate for one page. (ex. 18/12, Michael reads 1 page in 1.5 minutes. 12/8, Michael reads 1 page in 1.5 minutes. 30/20, Michael reads one page in 1.5 minutes) Therefore, yes it is proportional, and the equation is y=1.5x (there is no y intercept)

I hope this will help

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daser333 [38]

Answer:

x + y = 32

x = y + 8

Step-by-step explanation:

Sum of two numbers is 32:

x + y = 32

One number is 8 more than the other:

x = y + 8

3 0
3 years ago
The cost of a ticket to the circus is $14.00 for children and $32.00 for adults. On a certain day, attendance at the circus was
Evgesh-ka [11]

400 children and 600 adults bought tickets.

Step-by-step explanation:

Given,

Cost of one child ticket = $14

Cost of one adult ticket = $32

Total attendance = 1000

Revenue generated = $24800

Let,

x be the number of children.

y be the number of adults.

According to given statement;

x+y=1000   Eqn 1

14x+32y=24800   Eqn 2

Multiplying Eqn 1 by 14

14(x+y=1000)\\14x+14y=14000\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(14x+32y)-(14x+14y)=24800-14000\\14x+32y-14x-14y=10800\\18y=10800\\

Dividing both sides by 18

\frac{18y}{18}=\frac{10800}{18}\\y=600

Putting y=800 in Eqn 1

x+600=1000\\x=1000-600\\x=400

400 children and 600 adults bought tickets.

Keywords: linear equations, subtraction

Learn more about subtraction at:

  • brainly.com/question/547255
  • brainly.com/question/545947

#LearnwithBrainly

8 0
3 years ago
If one million people have equal chances of being called by telephone from a broadcasting show, then the probability of one part
zhenek [66]
1 /million is the chance
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Step-by-step explanation:

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x^3-8x^2+5x+14

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a metal cube measures 2-centimeters on each side the mass of the cube is 72 grams what is the density of the metal cube​
Umnica [9.8K]

Answer:

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Step-by-step explanation:

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Volume of  a square (L³) = 2³ = 8cm³

But Density = mass/volume

But Density = Mass/Volume

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3 years ago
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