3 years ago

Help me with equations

1 answer:

5 0

The answer to your question is C.

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DedPeter [7]

Hi there!

Ok i would love to answer you but do you have answer choices, or the other part of the question or a image?

~Jada

3 0

3 years ago

Mars2501 [29]

Answer:

Hi there!

The correct answer is: $2x^{2} + y^{2} + z^{2} - 2\sqrt{2} xy - 2\sqrt{2} xz + 2yz$

Step-by-step explanation:

First of all I want to clarify I used to the fourth identity to solve this problem.

The fourth identity is: $(x+y+z)^{2} = x^{2} + y^{2} + z^{2} + 2xy + 2xz + 2yz$

7 0

3 years ago

zheka24 [161]

Answer:

Since there is 10% off of the price, the new cost is 90% of the original. So we just multiply the price by 0.9

6 0

3 years ago

Bad White [126]

Step-by-step explanation:

7 = √49

8 = √64

So any positive integer between 50 to 63, both inclusive, have a square root between 7 and 8.

8 0

3 years ago

pychu [463]

The answer should be 25

3 0

3 years ago