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IgorC [24]
3 years ago
14

Which expression is equivalent to - 1/3(6x+18)+3x+5 help please

Mathematics
1 answer:
katrin2010 [14]3 years ago
7 0

Answer:

Step-by-step explanation:-1/3(6x+18)+3x+5= -2x - 6 + 3x + 5 = x - 1. QED

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What type of quadrilateral has the vertices A(3 , 6), B(3 , 3), C(6 , 3),and D(6 , 6)
Law Incorporation [45]

Answer:

It is a square.

<h3>Step-by-step explanation:</h3>

Background:

With this, lets find the distance between each of the shape's points, in order to find which shape it is.

Here's the distance formula, its a bit overkill for what you're doing right now, but it may help you with questions later on.

d=√(x2​−x1​)2+(y2​−y1​)2

Process:

​So with this, compare the distance between each of the points. With Point A, it is (3, 6) with Point B it is (3,3). The change between these two points is down 3.

Next, with Point B (3,3) and Point C (6,3). The change between these two points is right 3.

Then, with Point C (6,3) and Point D (6,6). The change between these two points is up 3.

Last, with Point D (6,6) and Point A (3,6). The change between these two points is left 3.

Reasoning:

From this, we can see that all of the distance lengths are 3 units and that each of them create 90 degree angle turns*.

*You can find this by noting that the total amount of a rotation is 360 degrees, so when you change walking from up to the right, you are turning 90 degrees to do so.

Answer:

With this information in mind, it can be named a square given the definition of square:

"A regular quadrilateral, which means that it has four equal sides and four equal angles."

<em>https://en.wikipedia.org/wiki/Square</em>

4 0
3 years ago
Write two decimal that are equivalent to the given decimal. 3.600​
erik [133]

Answer:

  3.6, 3.60

Step-by-step explanation:

Equivalent decimal numbers may have different numbers of trailing zeros.

_____

<em>Comments on equivalents</em>

The number can be written in several different forms, including ...

  • 3 6/10
  • 3 3/5
  • 0.03600×10^2

and variations on these.

As a straight standard-form decimal number this representation (3.600) indicates it has 4 significant figures. <em>There is no other equivalent standard-form decimal number that will convey the same information regarding significant figures</em>. The form in scientific notation above will convey that information because it retains the two trailing zeros.

The mixed numbers can be considered to have a precision matching that of the fraction, but when we're concerned about the precision of the answer, we usually use a decimal or scientific notation presentation.

8 0
3 years ago
Having trouble with add or subtracting the given polynomials
Bumek [7]

7.

(2b^2+7b^2+b)+(2b^2-4b-12)

(9b^2+b)+(2b^2-4b-12)

9b^2+b+2b^2-4b-12

11b^2+b-4b-12

11b^2-3b-12

8.

(7g^3+4g-1)+(2g^2-6g+2)

7g^3+4g-1+2g^2-6g+2

7g^3-2g-1+2g^2+2

7g^3-2g+1+2g^2

7g^3+2g^2-2g+1

Hope this helps!

3 0
3 years ago
Read 2 more answers
Select the number that would make this statement true: 628 divided by 0.628
Amiraneli [1.4K]
The answer would be 10 to the third because if you divide that it would equal 1,000
8 0
3 years ago
8-2 3/4 =<br><br>show the work​
Misha Larkins [42]

<em><u>ANSWER</u></em>

8-2........3/4 but you have you ADD some people dont know that 8-2= 6

and so 6/1 + 3/4 is 24/4

5 0
3 years ago
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