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Tasya [4]
3 years ago
14

If a² + b² = z and ab = y, which of the following is equivalent to 4z + 8y? Show all the steps.

Mathematics
2 answers:
Dmitrij [34]3 years ago
8 0

Answer:A

Step-by-step explanation:

Ivenika [448]3 years ago
7 0

Answer:

The answer to your question is:       (2a + 2b)²

Step-by-step explanation:

a² + b² = z

ab = y

Which is equivalent to 4z + 8y ?

Substitution

                                     4(a² + b²) + 8(ab)

Simplify                        4a² + 4b² + 8ab

Order                            4a² + 8ab + 4b²       It's a perfect square trynomial

Factorize                     (2a + 2b)²

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Samuel and Jason spend 3/4 of their combined earnings from Wednesday to buy a gift. how much do they spend? Is there enough left
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What is the value of r in (3r+4) °<br> (8r-2
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2 years ago
I need help understanding this and help with the problems...
Pavel [41]

1. 15+37=?

  • 15=10+5 (given on the diagram)
  • 37=30+7 (given on the diagram)
  • add digits to digits 5+7=12=10+2
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  • add tens and digits 50+2=52.

2. 22+49=?

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7 0
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