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lisov135 [29]
3 years ago
6

Rearrange 3y + 2x = 14Clearly with explanation

Mathematics
2 answers:
krok68 [10]3 years ago
5 0

If rearranging in terms of y,

3y+2x=14

Subtract 2x from both sides of equation

3y=14-2x

Divide both sides of equation by 3

y=\frac{14-2x}{3}

Simplify 14-2x to 2(7-x) if you want to, meaning that y=\frac{2(7-x)}{3}


Irina18 [472]3 years ago
3 0
Y = mx + b

3y + 2x = 14

Move 2x to other side

Now it becomes negative

3y = -2x + 14

Divide everything by three to isolate y

y = -2x/3 + 14/3

There’s your answer
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Which of the following is not a Pythagorean triple?
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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.

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<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.

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  • (5, 12, 13)
  • (7, 24, 25)
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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.

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2 years ago
Charles asked his teammates how many hours they practiced swimming during the week. He recorded his data in the table below and
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Answer:

The answer is C.

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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Find a8 of the sequence 10,9.75,9.5,9.25,….
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Answer:

10,9.75,9.5,9.25,9, 8.75 , 8.5, 8.25, 8...

Step-by-step explanation:

Subtract 0.25 from each to find the next number

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3 years ago
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At a certain high school, 15 students play stringed instruments and
Aleks [24]

Answer:

<em>0</em> is the probability that a  randomly selected student plays both a stringed and a brass  instrument.

Step-by-step explanation:

Given that:

Number of students who play stringed instruments, N(A) = 15

Number of students who play brass instruments, N(B) = 20

Number of students who play neither, N(A \cup B)' = 5

<u>To find:</u>

The probability that a randomly selected students plays both = ?

<u>Solution:</u>

Total Number of students = N(A)+N(B)+N(A \cup B)' =15 + 20 + 5 = 40

(As there is no student common in both the instruments we can simply add the three values to find the total number of students)

As per the venn diagram, no student plays both the instruments i.e.

N(A\cap B) =0

Formula for probability of an event E can be observed as:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

P(A\cap B) = \dfrac{N(A\cap B)}{N(U)}\\\Rightarrow \dfrac{0}{40}\\\Rightarrow P(A\cap B) = 0

So, <em>0</em> is the probability that a  randomly selected student plays both a stringed and a brass  instrument.

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