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belka [17]
3 years ago
10

What is the best estimate of 23% of 36 (12 points)

Mathematics
1 answer:
Elza [17]3 years ago
3 0

Answer:

9

Step-by-step explanation:

estimate 23% of 36

take 25% as a estination of 23%

25% * 36 = 9

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A banana contains 105 calories. Last week, brendan and lea ate a total of 14 bananas. How many calories does this represent?
xeze [42]

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1470

Step-by-step explanation:

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Anon25 [30]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Hey I’ve got the answer for the first question but I’m stuck on this one 5^-3 X 2^-1
Phantasy [73]

Answer:

  • See below

Step-by-step explanation:

a)

  • 6ˣ = 1/216
  • 6ˣ = 1/6³
  • 6ˣ = 6⁻³
  • x = -3

b)

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  • 1/(125×2) =
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8 0
3 years ago
What is the missing pattern 7, 11, 2, 18, -7
Alexxx [7]

The <em>missing</em> pattern behind the sequence 7, 11, 2, 18, -7 is described by the formula n = 7 + \sum \limits_{i= 1}^{n} (-1)^{i+1}\cdot (i + 1)^{2}, equivalent to the <em>recurrence</em> formula a_{n+1} = a_{n} + (-1)^{i+1}\cdot (i + 1)^{2}.

<h3>What is the missing element in a sequence?</h3>

A sequence is a set of elements which observes at least a <em>defined</em> rule. In this question we see a sequence which follows this rule:

n = 7 + \sum \limits_{i= 1}^{n} (-1)^{i+1}\cdot (i + 1)^{2}      (1)

Now we prove that given expression contains the pattern:

n = 0

7

n = 1

7 + (- 1)² · 2² = 7 + 4 = 11

n = 2

7 + (- 1)² · 2² + (- 1)³ · 3² = 11 - 9 = 2

n = 3

7 + (- 1)² · 2² + (- 1)³ · 3² + (- 1)⁴ · 4² = 2 + 16 = 18

n = 4

7 + (- 1)² · 2² + (- 1)³ · 3² + (- 1)⁴ · 4² + (- 1)⁵ · 5² = 18 - 25 = - 7

The <em>missing</em> pattern behind the sequence 7, 11, 2, 18, -7 is described by the formula n = 7 + \sum \limits_{i= 1}^{n} (-1)^{i+1}\cdot (i + 1)^{2}, equivalent to the <em>recurrence</em> formula a_{n+1} = a_{n} + (-1)^{i+1}\cdot (i + 1)^{2}.

To learn more on patterns: brainly.com/question/23136125

#SPJ1

8 0
2 years ago
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