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o-na [289]
3 years ago
8

What is the sum of any rational number and its opposite

Mathematics
1 answer:
Ulleksa [173]3 years ago
7 0

The correct answer you would be looking for would be 0 because it is equal to anything.

Hope this helps :)

Please mark me as brainliest!!!

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(7/2 - 1/3) x (-2) ^2 + 1/2
bagirrra123 [75]

Step-by-step explanation:

please mark me as brainlest

3 0
2 years ago
Evaluate 5a+3b and (5+a)(3+b) for a=2 and b=4. How is the order of the steps different for the two expressions?
Lynna [10]
5a+3b
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(5+a)(3+b)
(5+2)(3+4)
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The order of the steps differ for the two expressions because for the first expression, you multiply 5a and 3b first. Then, you add them together. However, for the second expression, you add what's inside the parenthesis first then multiply them. So, the order of the steps is the opposite of the other expression. 
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2 years ago
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kolezko [41]
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7x − 11 = 31<br> pls help me with this question
Katarina [22]

Answer:

6

Step-by-step explanation:

add 11 to both sides, that cancels out so then your left with 7x=42, divide by 7 on both sides then you should get x=6

7 0
2 years ago
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A semicircular archway is built in front of a garden using 8 congruent granite tiles, as shown in the diagram. Find the area of
lianna [129]
In your question that ask to calculate the area of one of the tiles if a semicircular archway in the front of the garden is using 8 congruent granite tiles and the area of one of the tiles is 2.9ft ^2. I hope you are satisfied with my answer and feel free to ask for more. 
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3 years ago
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