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Dovator [93]
3 years ago
7

Wich of the following statements are true?​

Mathematics
1 answer:
alekssr [168]3 years ago
4 0

Answer:

B and D

Step-by-step explanation:

A can't be correct because the length of a segment is always positive. B is correct because we have to take the absolute value of the distance between endpoints to find the length of the segment. C is not correct because AC is obviously longer than BC so how would AB + AC = BC? D is correct because it models the Parts Whole Postulate.

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How do you factor this trinomial 4a^2-4a+1
ElenaW [278]

Answer:

(2a-1)(2a-1)

Step-by-step explanation:

To write the factored form, multiply a*c from the standard form ax^2+bx+c. Here it is 4*1 = 4.

Then find factors of 4 that add to b=-4.

4: 1,2,4

-2+-2 = -4

Split the middle term into -2x+-2x and factor by grouping.

4a^2-2a+-2a+1\\(4a^2-2a)+(-2a+1)\\2a(2a-1)-1(2a-1)\\(2a-1)(2a-1)


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2 years ago
Determine two compatible numbers to use to estimate the quotient 5,071 divided by 62
hichkok12 [17]
4,800 and 60 looks to be what you're looking for.

Deuces!
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3 years ago
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Paul [167]
The answer to the question you are looking for is B
7 0
3 years ago
What’s the answer to the word problem the difference of three times a number and 1
harina [27]

Answer:

There is no answer. I'm sorry but more information is needed in order to find the answer.

Step-by-step explanation:

However, the problem can be written.

It will look like:

3n - 1.

Since the number can be anything, this is not an answerable question because it must equal a number on the right side of the equation.

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On Babylonian tablet YBC 4652, a problem is given that translates to this equation:
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The solution is
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