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katrin [286]
3 years ago
13

Which best represents the commutative property of addition?

Mathematics
2 answers:
weqwewe [10]3 years ago
7 0

Answer: a+b=b+a

Step-by-step explanation: 4 + 2 = 2 + 4 4 + 2 = 2 + 4 4+2=2+44

sineoko [7]3 years ago
6 0

Answer:

25+25+25+25+25...etc

Step-by-step explanation:

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Given:x+2<-5. choose the solution set.
malfutka [58]

Step-by-step explanation:

x+2<−5

Step 1: Subtract 2 from both sides.

x+2−2<−5−2

x<−7

Answer:

x<−7

6 0
3 years ago
Please help me with this
mel-nik [20]
Attic Floor: 8 m x 10 m = 80 m²

Roof: 3.5 m x 5 m x 10 m = 175 m²

You need 255 square meters (m²) of wood to build the roof and floor of the attic. I hope this helps, have a good night. 

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3 years ago
What is the value of 5/6 divided by 3/7
expeople1 [14]
5/6 divide by 3/7 = 5/6 x 7/3 =35/18
                                   
8 0
3 years ago
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Golf balls can be purchased in a 3-pack for $4.95 or a 12-pack for $18.95. Which is the better buy? Which Item cost less per gol
natka813 [3]
I think the better buy would be the 12-pack because the quality of the ball and the brand would determine the price. Golf balls do the same thing, you hit than lose it than buy a whole new pack of balls. The 3-pack cost less because it’s $4.95 and the 12-pack cost $18.95. By $14 much.
7 0
3 years ago
Show all work to solve the equation for x. If a solution is extraneous, be sure to identify it. Square root of the quantity x +
creativ13 [48]

Answer:

x = 2 is the solution of the given equation

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

Given equation

  \sqrt{x+6-4} = x

squaring on both sides , we get

(\sqrt{x+2})^{2} = x^{2}

⇒ x + 2 = x²

⇒x² - x -2 =0

<u><em>Step(ii)</em></u>:-

  Given x² - x -2 =0

⇒ x² - 2x + x - 2 =0

⇒ x ( x-2) + 1(x - 2) =0

⇒ (x + 1) ( x-2) =0

⇒ x = -1 and x =2

x = 2 is the solution of the given equation

<u><em>Verification</em></u>:-

\sqrt{x+6-4} = x

Put x= 2

\sqrt{2+6-4} = 2

\sqrt{4} = 2

 2 = 2

6 0
4 years ago
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