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inna [77]
3 years ago
7

What is the fifth term in the geometric sequence described by this explicit formula y=40×(-2)^(n-1)​

Mathematics
1 answer:
cupoosta [38]3 years ago
5 0

Answer:

The fifth term is 620

Step-by-step explanation:

y=40×(-2)^(n-1)​

The 5th terms means n=5

y = 40 * (-2) ^ (5-1)

  = 40 * (-2) ^4

  = 40 * (16)

  = 640

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Further explanation:

We have to find the equation of the line first to graph the line.

The general form of slope-intercept form of equation of line is:

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Given

m=-\frac{2}{5}

Putting the value of slope in the equation

y=-\frac{2}{5}x+b

To find the value of b, putting the point (-3,5) in equation

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Putting the values of b and m

y=-\frac{2}{5}x+\frac{19}{5}

The graph is made by using online graphing tool Desmos.

Keywords: Equation of line, graph of line

Learn more about graphs at:

  • brainly.com/question/1557905
  • brainly.com/question/1554024

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