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Mrrafil [7]
3 years ago
5

Write the first three terms in the following sequences. Identify them as arithmetic or geometric

Mathematics
1 answer:
lara [203]3 years ago
6 0

Answer:

10, 1, 0.1, 0.01

It is a geometric sequence

Step-by-step explanation:

A(n + 1) = A(n) ÷ 10  for  n ≥ 1  and  A(1) = 10

A(1+1) = A(2) = A(1) / 10 = 10 / 10 = 1

A(2+1) = A(3) = A(2) / 10 = 1 / 10 = 0.1

A(3+1) = A(4) = A(3) / 10 = 0.1 / 10 = 0.01

It corresponds to a geometric sequence, which is defined by its starting number a (10), the common factor r (0.1) and the number of terms S.

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Dharmesh has a square garden with a perimeter of 132 feet. Is the area of the garden greater than 1,000 square feet?
Delvig [45]

Answer: Yes. The area is 1089 square feet.

Step-by-step explanation:

For a square, all the sides are equal: L = W

Hence, the perimeter of a square = 4 × L

Perimeter = 4L

132 = 4L

132 ÷ 4 = L

33 = L = W

Area of a square with 33 feet sides = L × L = 33 × 33 = 1089

1089 > 1000

3 0
3 years ago
Did I do this correctly? (please help asap will mark brainliest)
Basile [38]

Answer:

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6 0
2 years ago
Does the function y = 8x represent a direct or inverse variation
liraira [26]
This is direct variation since the x isn't in the denominator.
3 0
3 years ago
Need help finding the length
Vladimir79 [104]

Answer:

27

Step-by-step explanation:

First, we need to find x. We are given the perimeter, which is 2l + 2w, so from there, we have an equation of 2(4x-1) + 2(3x+2) = 100. By working through it, we get that x = 7. We're asked to find WX, so plug 7 into 4x - 1 and get 27.

7 0
2 years ago
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Does anyone know this?
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