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kobusy [5.1K]
3 years ago
11

In Marta's class, the ratio of students who ate tacos for lunch to the students who ate burritos was 12:18.

Mathematics
1 answer:
boyakko [2]3 years ago
3 0

Answer:

20 30

Step-by-step explanation:

gsjsjdhdjdjdjfjfjfh

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Bogdan [553]
I think it's x2–1=0 because it's the only one that has -1 for origin of the ordinate
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3 years ago
Which of the following is not a Pythagorean triple?
Ierofanga [76]

Answer:

  (7, 24, 26)

Step-by-step explanation:

A Pythagorean triple must have an odd number of even numbers. The triple (7, 24, 26) is not a Pythagorean triple.

_____

<em>Additional comment</em>

For an odd integer n, a triple can be formed as ...

  (n, (n²-1)/2, (n²+1)/2)

That is, the following will be Pythagorean triples.

  • (3, 4, 5)
  • (5, 12, 13)
  • (7, 24, 25)
  • (9, 40, 41)
  • (11, 60, 61)

Another series involves even numbers and numbers separated by 2:

  (2n, n²-1, n²+1)

  • (8, 15, 17)
  • (12, 35, 37)
  • (16, 63, 65)

In this list, if n is not a multiple of 2, the triple will be a multiple of one from the odd-number series.

It is a good idea to remember a few of these, as they tend to show up in Algebra, Geometry, and Trigonometry problems.

8 0
2 years ago
If the standard deviation for a Poisson distribution is known to be 3.60, the expected value of that Poisson distribution is
Charra [1.4K]

Answer: 12.96

Step-by-step explanation:

given data:

Poisson distributio = 3.60

solution:

The Poisson distribution expected value is same as Variance.

which is expressed as = SD^2

therefore;

the expected value

= SD^2

= 3.60^2

= 12.96

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3 years ago
Phường trình cosx=m có đúng 1 nghiệm thuộc đoạn [ 0; 3p/2]
Romashka [77]

Answer:

Step-by-step explanation:

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3 years ago
Which statements about the graph of the function f(x) = -2- 4x + 2 are true? Select three options
soldi70 [24.7K]

Answer:Its B,C, and E man

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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