Answer:
D) 
Step-by-step explanation:
We have been given four choices.
A) 
B) 
C) 
D)
Now we need to find about which of the above choices is a sum of cubes.
Basically we need to check which one of the given choices can be represented in cubic form along with addition sign.
3 and 9 can't be written in cubic form unless we use radical numbers.
So the only choice left is D)
D)
which is clearly visible as sum of cubes.
Answer:
20
Step-by-step explanation:
<em>5+5+5+5</em>
Answer:
6x+24
Step-by-step explanation:
just do distributing
Answer:
Step-by-step explanation:
<u>The Sum:</u>
- 3x²y - 5a + 4b + (-9x²y - 7b + 4a) =
- 3x²y - 9x²y - 5a + 4a + 4b - 7b =
- -6x²y - a - 3b
<u>The difference:</u>
- 3x²y - 5a + 4b - (-9x²y - 7b + 4a) =
- 3x²y + 9x²y - 5a - 4a + 4b + 7b =
- 12x²y - 9a + 11b
<u>Subtract the sum from the difference:</u>
- 12x²y - 9a + 11b - (-6x²y - a - 3b) =
- 12x²y + 6x²y - 9a + a + 11b + 3b =
- 18x²y - 8a + 14b
For midsegment theorem
And parallels lune are twice
So AB = YZ /2
AB = 10/2 =5
BUT AB = X–1 =5
X–1 = 5 = X = 1+5 =6
X =;6
..
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