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nirvana33 [79]
3 years ago
11

Tyler says he invented a number puzzle.

Mathematics
1 answer:
maksim [4K]3 years ago
4 0

Answer:

Read this section of the text:

These raptors eat primarily flying insects, so they do most of their hunting on the wing.

What does primarily mean in this sentence?

Step-by-step explanation:

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Can someone explain what geometric sequences are?
Fed [463]

Explanation:

A sequence is a list of numbers.

A <em>geometric</em> sequence is a list of numbers such that the ratio of each number to the one before it is the same. The common ratio can be any non-zero value.

<u>Examples</u>

  • 1, 2, 4, 8, ... common ratio is 2
  • 27, 9, 3, 1, ... common ratio is 1/3
  • 6, -24, 96, -384, ... common ratio is -4

___

<u>General Term</u>

Terms of a sequence are numbered starting with 1. We sometimes use the symbol a(n) or an to refer to the n-th term. The general term of a geometric sequence, a(n), can be described by the formula ...

  a(n) = a(1)×r^(n-1) . . . . . n-th term of a geometric sequence

where a(1) is the first term, and r is the common ratio. The above example sequences have the formulas ...

  • a(n) = 2^(n -1)
  • a(n) = 27×(1/3)^(n -1)
  • a(n) = 6×(-4)^(n -1)

You can see that these formulas are exponential in nature.

__

<u>Sum of Terms</u>

Another useful formula for geometric sequences is the formula for the sum of n terms.

  S(n) = a(1)×(r^n -1)/(r -1) . . . . . sum of n terms of a geometric sequence

When |r| < 1, the sum converges as n approaches infinity. The infinite sum is ...

  S = a(1)/(1-r)

8 0
3 years ago
Molly works at an electronics store. Her last customer purchased a DVD player for $67.65 and five DVDs for $57.93, including tax
ra1l [238]
67.65 + 57.93 = 125.58

200.00 - 125.58 = $74.42 change back
3 0
3 years ago
X=6<br> y=2x-3<br><br> i’m doing Solve Systems of Equations by Substitution.
Oksana_A [137]

y=9

Step-by-step explanation:

y=2(6)-3

y=12-3

y=9

4 0
2 years ago
Read 2 more answers
If 4 adult elephants eat 320 pounds of food, how many ounces of food should the zookeeper purchase?
fgiga [73]

Answer:

Step-by-step explanation:

5 0
3 years ago
Pls help me its for a grade
SVETLANKA909090 [29]

Answer:

D. -9

Step-by-step explanation:

5f - 6f = 9 \\  - f = 9 \\ f =  - 9

7 0
3 years ago
Read 2 more answers
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