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alexdok [17]
2 years ago
11

A-B equals, if A =5x^2-4x-11 and B=-x^2+3x-5

Mathematics
1 answer:
Serga [27]2 years ago
8 0

Answer:

A-B = 6x^2-7x-6

Step-by-step explanation:

A = 5x^2-4x-11

B = x^2+3x-5

A-B = (5x^2-4x-11) - (-x^2+3x-5) = 5x^2-4x-11+x^2-3x+5 = 6x^2-7x-6

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What percent of 99 is 90?
Yuri [45]

Answer:

91%

Step-by-step explanation:

We can use the formula \frac{is}{of}=\frac{percent}{100}

  • "is" is 90
  • "of" is 99
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Substituting in our values we get \frac{90}{99}=\frac{x}{100}

  • We will need to cross multiply here to get (90)(100) = (x%)(99)
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  • Dividing by 99 on both sides we get 90.9% → x = 91%
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2 years ago
( m + 4 ) ( m + 1 )
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2 years ago
How do you workout 7x-19<16
laila [671]

Answer:

To work this problem out you would do it as if it were just a simple equation

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Step-by-step explanation:

7 0
3 years ago
What is the distance between point G(−4, 1) and point H(−12, 1) ?<br> would be (8)
Greeley [361]

Answer:

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Step-by-step explanation:

Since the y is the same, you can just find the distance between 12 and 4

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3 years ago
Hello im in 8th grade and I need to get my grades up so anyone know the answer to
jolli1 [7]

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Step-by-step explanation:

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