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OlgaM077 [116]
3 years ago
6

(2x -1) -2x 4(1- x) please help math hw need help

Mathematics
1 answer:
katen-ka-za [31]3 years ago
6 0

Answer:

8x^2-6x-1

Step-by-step explanation:

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Which sign completes each expression?
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Below

Step-by-step explanation:

0.3>0.25

0.35<0.4

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2 years ago
What is the answer to question 17
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It is 1/1536

Step-by-step explanation:

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4 years ago
Consider the following proposed proof by contradiction that for all positive integers n, 3n &gt; 2.
laila [671]

Answer:

The proof contains a simple direct proof, wrapped inside the unnecessary logical packaging of a proof by contradiction framework.

Step-by-step explanation:

The proof is rigourous and well written, so we discard the second answer.

This is not a fake proof by contradiction: it does not have any logical fallacies (circular arguments) or additional assumptions, like, for example, the "proof" of "All the horses are the same color". It is factually correct, but it can be rewritten as a direct proof.

A meaningful proof by contradiction depends strongly on the assumption that the statement to prove is false. In this argument, we only this assumption once, thus it is innecessary. Other proofs by contradiction, like the proof of "The square root of 2 is irrational" or Euclid's proof of the infinitude of primes, develop a longer argument based on the new assumption, but this proof doesn't.

To rewrite this without the superfluous framework, erase the parts "Suppose that the statement is false" and "The fact that the statement is true contradicts the assumption that the statement is false. Thus, the assumption that the statement was false must have been false. Thus, the statement is true."

7 0
3 years ago
How many times does 3 go into 85
77julia77 [94]

Answer:

28.3 repeating

Step-by-step explanation:

85 divided by 3

28.3

3 0
4 years ago
Explain how to translate the phrase into an algebraic expression.
ASHA 777 [7]
Hey there.. I will be more than happy to help you today..  :)

A Number squared decreased by ten

We will do this with steps:-

Step 1 - "A number ". So, Let's say any number be x

Step 2 -  "A number squared". Our number x is squared i.e. x²

Step 3 - "A number squared" ( i.e. x²  ) is decreased by ten
x² - 10 

This is your answer.
Hope this helps you :)
4 0
3 years ago
Read 2 more answers
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