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Black_prince [1.1K]
3 years ago
12

9x-27 whats the answer

Mathematics
2 answers:
Simora [160]3 years ago
5 0

Answer:

-243

Step-by-step explanation:

KonstantinChe [14]3 years ago
4 0

Answer:

The answer is 9(x-3).

Step-by-step explanation:

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B-3±6-2b i need it know pls help me
aleksklad [387]
Answer : b=3

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3 years ago
What is the maximum number of circles of radius 1 you can fit, without overlapping them,
zzz [600]
I think it’s a carrot I just need points
8 0
3 years ago
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(x-1)^2+(2-x)^2-3(x-5)*(x-5)
Natali5045456 [20]

Answer:

-x^2+24x-70

Step-by-step explanation:

(x-1)^2+(2-x)^2-3(x-5)*(x-5)\\=> (x - 1)^2 + (2 - x)^2 - 3(x - 5)^2\\=> x^2 - 2x + 1 + 4 - 4x + x^2 - 3(x - 5)^2\\=> x^2 - 2x + 5 - 4x + x^2 - 3(x - 5)^2\\=> x^2 - 6x + 5 + x^2 - 3(x - 5)^2\\=> 2x^2 - 6x+5 - 3(x - 5)^2\\=> 2x^2 - 6x+5 - 3(x^2 - 10x + 25)\\=> 2x^2 - 6x+5  - 3x^2+30x-75\\=> -x^2 - 6x + 5 + 30x - 75\\=> -x^2 + 24x + 5-75\\=> -x^2+24x-70

Formula used =

(a-b)^2 = a^2+ 2ab + b^2

8 0
2 years ago
Philip took a test and missed 35% of the questions. If he missed 28 questions, how many how questions where on the test
Ghella [55]

Answer:

80 questions

Step-by-step explanation:

  • 35/100 = 28/x
  • 35x = 28(100)
  • 35x = 2800
  • x = 2800/35
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5 0
3 years ago
Read 2 more answers
Find the two straight lines represented by x² + 5xy - 6y² = 0​
Andreyy89

By factorizing, we have

x^2 + 5xy - 6y^2 = (x - y) (x + 6y) = 0

so that

x - y = 0 \implies \boxed{y = x}

or

x + 6y = 0 \implies \boxed{y = -\dfrac x6}

3 0
2 years ago
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