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Levart [38]
3 years ago
7

4[24-3(7x+6)]-6(4-14x)

Mathematics
2 answers:
garik1379 [7]3 years ago
5 0

Answer:

0

Step-by-step explanation:

4[24-3(7x+6)]-6(4-14x)

4(24-21x-18)-24+84x

96-84x-72-24+84x

96-72-24-84x+84x

0 + 0

0

SSSSS [86.1K]3 years ago
4 0

Answer:

0 = 0

The equation is an identity, all real numbers are solutions.

Step-by-step explanation:

First we simplify:

4[24 + -3(7x + 6)] + -6(4 + -14x) = 0

Then we need to reorder the terms:

=> 4[24 + -3(6 + 7x)] + -6(4 + -14x) = 0

=> 4[24 + (6 * -3 + 7x * -3)] + -6(4 + -14x) = 0

=> 4[24 + (-18 + -21x)] + -6(4 + -14x) = 0

We the have to combine like terms:

24 + -18 = 6

=> 4[6 + -21x] + -6(4 + -14x) = 0

=> [6 * 4 + -21x * 4] + -6(4 + -14x) = 0

=> [24 + -84x] + -6(4 + -14x) = 0

=> 24 + -84x + (4 * -6 + -14x * -6) = 0

=> 24 + -84x + (-24 + 84x) = 0

Reorder the terms again:

24 + -24 + -84x + 84x = 0

Combine like terms again:

24 + -24 = 0

=> 0 + -84x + 84x = 0

=> -84x + 84x = 0

Then once again, combine like terms:

-84x + 84x = 0

=> <u><em>0 = 0</em></u>

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Answer:

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Step-by-step explanation:

If each square yard of carpet is $36, you just have to multiply 8 by that to get the total.

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8090 [49]

The relation {(-1 , 3), (4 , 2), (-1 , 5)} is not a function ⇒ 2nd

Step-by-step explanation:

Let us revise the meaning of relation and function

  • The relation is a set of inputs and outputs
  • A function is a relation with one output for each input, that means every x has only one y
  • Ex: {(2 , 3) , (-1 , -2) , (3 , 2)} is a function because 2 has only 3 , -1 has only -2 and 3 has only 2, {(1 , 7) , (2 , -4) , (1 , -3)} is not a function because 1 has 7 and -3

The relation is a function if and only if every x has only one y

In {(0 , 0), (1 , 0), (2 , 0)}

∵ x = 0 has y = 0

∵ x = 1 has y = 0

∵ x = 2 has y = 0

∴ Every x has only one y

∴ {(0 , 0), (1 , 0), (2 , 0)} is a function

In {(-1 , 3), (4 , 2), (-1 , 5)}

∵ x = -1 has y = 3

∵ x = 4 has y = 2

∵ x = -1 has y = 5

∴ x = -1 has y = 3 and 5

∴ Not every x has only one y

∴ {(-1 , 3), (4 , 2), (-1 , 5)} is not a function

In {(1 , 2), (3 , -5), (-1 , 7)}

∵ x = 1 has y = 2

∵ x = 3 has y = -5

∵ x = -1 has y = 7

∴ Every x has only one y

∴ {(1 , 2), (3 , -5), (-1 , 7)} is a function

In {(7 , -1), (3 , -2), (5 , -2)}

∵ x = 7 has y = -1

∵ x = 3 has y = -2

∵ x = 5 has y = -2

∴ Every x has only one y

∴ {(7 , -1), (3 , -2), (5 , -2)} is a function

The relation {(-1 , 3), (4 , 2), (-1 , 5)} is not a function

Learn more:

You can learn more about the relations and functions in brainly.com/question/10570041

#LearnwithBrainly

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Answer is 1483.31088

Explanation:

It is asked that =(\frac{1}{4})(3.14)(5.4^{3} )(12)\\=(3.14)(5.4^{2} )(3)\\\\=(3.14)(157.464)(3)\\=1483.31088\\

Answer is 1483.31088

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nadya68 [22]
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Dmitriy789 [7]
Hello there, and thank you for posting your question here on brainly.

Short answer: C. 9

Why?

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