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ella [17]
3 years ago
5

Tom has read the first 40 pages of a book. He plans to read another 12 pages each day Write an equation that represents the rela

tionship between the total number of pages, p, and the number of days he has been reading , d.
Mathematics
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

p=12d+40

Step-by-step explanation:

-This is a linear relationship problem modeled as:

y=mx+c

where:

  • y is the quantity at variable x
  • m is the slope
  • c is the constant of increment or decrement.
  • x is the variation variable.

Given the constant 40, and 12 pages per day as the rate of change we substitute our variables in the form of the formula above as:

p=12d+40

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patriot [66]
The mean, median, and mode are equal to 1. So among the choices, the first one is correct - mean = mode

Mean - an <em>average </em>of the given set of number; to find this, add the numbers and divide it by 11 (the number of given data)
   = (-1 + -1 + 0 + 1 + 1 + 1 + 1 + 2 + 2 + 2 + 3) / 11
   = 1

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3 0
3 years ago
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Write a quadratic function whose zeros are -3 and -4
andreev551 [17]

Answer:

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Step-by-step explanation:

The function can be written as the product of binomial terms whose values are zero at the given zeros.

  (x -(-3)) is one such term

  (x -(-4)) is another such term

The product of these is the desired quadratic function. In the form easiest to write, it is ...

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This can be "simplified" to ...

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6 0
3 years ago
A roofer calculates his bid price using the formula P = 1.85s + 4.2f, where s is the area of the roof in square feet and f is th
solmaris [256]

Answer: 1,811 square foot

Step-by-step explanation:

Hi, to answer this question we have to solve the equation given, by substituting P = 4,148 and f=190 in the equation.

P = 1.85s + 4.2f

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Solving for s:

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4,148-798 =1.85s

3,350 = 1.85s

3,350/1.85 =s

s = 1,810.81 = 1,811 square foot  (rounded)

Feel free to ask for more if needed or if you did not understand something.

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the comparison is 2/4
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