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Setler [38]
3 years ago
15

X y

Mathematics
1 answer:
Fofino [41]3 years ago
7 0
D) y=3x-7 is the right answer. If you plug in the numbers above you’ll see that those numbers make both sides of the equation equal. Hope I was able to help. Comment if you need further explanation.
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Factorize that x^4+4y^4​
ipn [44]

Answer:

  • (x² + 2y² + 2xy)(x² + 2y² - 2xy)

Step-by-step explanation:

<h3>Given binomial:</h3>

x⁴ + 4y⁴

In order to factorize it, follow the steps:

<h3>Complete the square:</h3>

  • x⁴ + 4y⁴ =
  • (x²)² + 2*(x²)*(2y²) + (2y²)² - 2*(x²)*(2y²) =
  • (x² + 2y²)² - (2xy)² =
  • (x² + 2y² + 2xy)(x² + 2y² - 2xy)

Used identities:

  • (a + b)² = a² + 2ab + b²
  • a² - b² = (a + b)(a - b)
4 0
2 years ago
Please help i am really struggling
marysya [2.9K]

Answer:

greater than...

equal

Step-by-step explanation:

welcome

3 0
3 years ago
Amy bought a bag of chips for 0.75, a sandwhich for 5.50, a bottle of water for 1.60. How much does amy have left from 10.
ch4aika [34]

Answer:

Amy would have 2.15 left

Step-by-step explanation:

To find out how much she has left, subtract the cost of the items from 10.

10 - 0.75 - 5.50 - 1.60 = 2.15

8 0
3 years ago
Hi please help me.. will give brainlest​
chubhunter [2.5K]

Answer:

Volume = l*w*h

Equation: 1620 = 9*9*h

1620=81h

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4 0
2 years ago
Read 2 more answers
What is the reference angle in radians for 1380°?
ad-work [718]
Hello there.

What is the reference angle in radians for 1380°?

Answer: 60
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