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NARA [144]
2 years ago
12

Rewrite the equation by completing the square. x^2 + 10x + 25 = 0

Mathematics
1 answer:
Mrrafil [7]2 years ago
3 0

Answer:

( x + 5 ) 2 + 0

Step-by-step explanation:

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When squaring a number it is essentially taking a number and multiplying it by itself. For example, 5^2 is 5×5 (=25).

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The selling price of a textbook is
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198.43. dollars is the answer

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1 year ago
Can someone help me Write an equation for this graph?
Paladinen [302]
Y=2/3x-1 is the equation:)
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3 years ago
The number of bacteria in a petri dish is 50,000 (on day 0) if the amount is doubling each day by when will the number of bacter
Drupady [299]

Answer:

  • f(x) = 50000*2^x
  • 3 days

Step-by-step explanation:

<u>Given:</u>

  • Initial amount of bacteria = 50000
  • Growth rate = 2 times a day

<u>Required equation:</u>

  • f(x) = 50000*2^x

<u>Solve for x:</u>

  • 400000 = 50000*2^x
  • 2^x = 400000/50000
  • 2^x = 8
  • 2^x = 2^3
  • x = 3

After 3 days bacteria numbers will reach 400000

5 0
2 years ago
Ali graphs the function f(x) = -(x + 2)2 - 1 as shown.
lyudmila [28]

The Answer:

The axis of symmetry should be x=2

Step-by-step explanation:

The question clearly states x+2 meaning it shouldn't be - 2

Not entirely sure

6 0
2 years ago
Read 2 more answers
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