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kiruha [24]
3 years ago
11

The base of a parallelogram is (2x + 3) units and the corresponding height is (3x – 2) units. Find the area of the parallelogram

in terms of x. What will be the area of parallelogram if x = 30 units?please explain how you got the answer
Mathematics
1 answer:
Maslowich3 years ago
4 0

Answer:

S = 6x² + 5x - 6

5544 sq. units

Step-by-step explanation:

<u>Area of parallelogram is:</u>

  • S = bh

<u>Given</u>:

  • b = 2x+3
  • h = 3x -2

<u>Then</u>:

  • S = (2x + 3)(3x - 2) =
  • 6x² - 4x + 9x - 6 =
  • 6x² + 5x - 6

S = 6x² + 5x - 6

<u>If x = 30, then plug it in the equation:</u>

  • S = 6*30² + 5*30 - 6 = 5544 sq. units
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Complete Question

Carmen and Matt are conducting different chemistry experiments in school. In both experiments, each student starts with an initial amount of water in a flask. They combine two chemicals which react to produce more water. Carmen's experiment starts with 30 milliliters of water in a flask, and the water increases in volume by 8.5 milliliters per second. Matt's experiment starts with 10 milliliters of water and increases in volume by 28% each second. The graph represents the volume of water in the two flasks in relation to time. Which two conclusions can be made if f represents the volume of water in Carmen's flask and g represents the volume of water in Matt's flask? a) The volume of water in Carmen's flask is increasing at a slower rate than the volume of water in Matt's flask over the interval [0, 2].

b) The volume of water in Carmen's flask is increasing at a faster rate than the volume of water in Matt's flask over the interval [6, 8].

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c) The volume of water in Carmen's flask will always be greater than the volume of water in Matt's flask.

e) The volume of water in Carmen's flask is increasing at a slower rate than the volume of water in Matt's flask over the interval [4, 6].

Step-by-step explanation:

Looking at the graph, the average rate of change is given as [0,2], [4,6], and [6,8].

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Secondly, comparing the quantity as which the volume of the flask increases per second, at the interval of [4, 6], the volume of water in Carmen's flask is increasing at a slower rate than the volume of water in Matt's flask over the interval

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There you go! I really hope this helped, if there's anything just let me know! :)

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