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EleoNora [17]
3 years ago
10

If a triangle has a height of 12 inches and a base of 5 inches, what is its area

Mathematics
2 answers:
Alina [70]3 years ago
4 0
Area of a Triangle = base * height

Area = 12 inches * 5 inches

Area = 60 inches²
oksano4ka [1.4K]3 years ago
3 0
Area of a triangle is

A = 1/2 ×base × height
A = 1/2 × 5 × 12
A = 1/2 × 60
A = 30 square inches
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Consider a sequence defined by the recursive rule f(1) = 15; f(n)=f(n - 1) - 6 for n 2. Choose True or
Shkiper50 [21]

Answer:

The second term of the sequence is 8  False ⇒ B

The third term of the sequence is 3  True ⇒ A

The fourth term of the sequence is -3  True ⇒ A

Step-by-step explanation:

The form of the recursive rule is:

f(1) = first term; f(n) = f(n - 1) + d, where

  • f(1) is the first term
  • f(n) is the nth term
  • f(n - 1) is the term before the nth term
  • d is the common difference

∵ f(1) = 15, f(n) = f(n - 1) - 6 for n ≥ 2

∴ The first term = 15

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let us find the 2nd, 3rd, and 4th terms

∵ n = 2

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∴ f(2) = 15 - 6 = 9

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∵ n = 3

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∵ f(2) = 9

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∴ The third term of the sequence is 3 True

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∴ f(4) = 3 - 6 = -3

∴ The fourth term is -3

∴ The fourth term of the sequence is -3 True

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