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galina1969 [7]
2 years ago
8

Consider the following simplified algebraic expression. Which could be the original expression?

Mathematics
2 answers:
Phoenix [80]2 years ago
8 0

Answer:

2nd option

Step-by-step explanation:

this is late but in case someone needs it

dem82 [27]2 years ago
6 0

You have to simplify each equation. You can do that by adding similar values to each other:

(the first equation)

8x²y + 7x² - 5y² + 3x - 2 + 2x²y - x² -  2y² + 3x - 4

To make it easier, arrange the values around so that similar ones are beside each other:

8x²y + 2x²y + 7x² - x² - 5y² - 2y² + 3x + 3x - 2 - 4

then add the similar values together:

8x²y + 2x²y = 10x²y

7x² - x² = 6x²

- 5y² - 2y² = -7y²

3x + 3x = 6x

(- 2)+ (- 4) = -6

and if you put them together:

10x²y + 6x² - 7y² + 6x - 6

This isn't the answer to the equation, because it's different. So repeat the process with all the other equations until you find one that is identical to the simplified version.

The answer is the second one: 8x²y + 7x² - 5y² + 3x - 2 + 2x²y - x² -  2y² - 3x - 4

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Answer: V=0.0028278\ m^3

Step-by-step explanation:

Given

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3 years ago
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AnnZ [28]

Answer:

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Step-by-step explanation:

8 0
3 years ago
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alexandr1967 [171]
I’m pretty sure it is 27.89 cm^2
7 0
2 years ago
What is the value of Z?
sukhopar [10]

Answer:

Step-by-step explanation:

Both x and y are inscribed angles.  The value of an inscribed angle is half the measure of its intercepted arc.  This means that x has a value of 33°, and y has a value of 48°.  That means that, according to the triangle angle sum theorem, the third angle has to equal 180 - 33 - 48 = 99°.

This angle is vertical with angle z, so angle z also equals 99°

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