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Novosadov [1.4K]
3 years ago
11

If you can answer this you get 20 points

Mathematics
2 answers:
KatRina [158]3 years ago
7 0

Answer:

  in bold below

Step-by-step explanation:

<u>Left Side</u>

If we let the price be represented by p and the quantity by q, then a suitable equation is ...

  p/30 +q/35 = 1 . . . . equation in intercept form

  7p +6q = 210 . . . . . multiply by 210

  p = -6/7q +30 . . . . solve for p

The slope is -6/7.

The "rate of change" is -6/7. (slope and "rate of change" mean the same)

The x-intercept is 35.

The number at the end is zero (35). (assuming "the end" is the right end of the graph)

The starting price is the y-intercept (30).

The rate of cost is the slope (-6/7).

__

<u>Right Side</u>

The cost starts at 20 and goes up 10 for each 5 games, so 2 per game. A suitable equation is ...

  y = 2x + 20

The rate of change is 2.

The x-intercept is where y=0. It will be -20/2 = -10.

The y-intercept is 20.

_____

The graph has to do with games and cost, not minutes and feet. There is insufficient information to answer questions about minutes and feet.

_____

<em>Comment on these questions</em>

The notations "per billions" on the left graph cause it to make no sense whatever. The ideas of "starting" and "ending" are usually time- or sequence-related. The graph shows nothing to indicate time or sequence. The idea of "rate of cost" for TV's is nonsensical. (Cost <em>is</em> a rate: dollars per unit.)

KonstantinChe [14]3 years ago
4 0

Answer:

Rate of change for the second one (at the top) is 10

x- intercept is (-10,0)

y- intercept is  (0,20)

Step-by-step explanation:

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