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guajiro [1.7K]
3 years ago
12

Devin recorded the number of hours he played a video

Mathematics
2 answers:
nalin [4]3 years ago
6 0

Answer:

3

Step-by-step explanation:

baherus [9]3 years ago
4 0

Answer: 3 hours.

Step-by-step explanation: Got it right, edge2020

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Simplify -2(-5n+6)+5(2-7n)
RideAnS [48]

Answer:

-25n - 2

Step-by-step explanation:

  1. 10n - 12 + 10 - 35n
  2. -25n - 2
5 0
3 years ago
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Find the discriminant, describe the types of roots, and find the solution for 3x^2-24x+12
solniwko [45]
The discriminant of a polynomial is given by:
 b ^ 2-4ac
 Substituting the values we have:
 (-24) ^ 2-4 * (3) * (12) = 432
 Since the discriminator is greater than zero, then the roots are real.
 x = (- b +/- root (b ^ 2-4ac)) / (2a)
 Substituting the values:
 x = (- (- 24) +/- root (432) / (2 * (3))
 x = (- (- 24) +/- root (432) / (2 * (3))
 x = (- (- 24) +/- root (144 * 3) / (2 * (3))
 x = (24 +/- 12raiz (3) / (6)
 x = 4 +/- 2raiz (3)
 The roots are:
 x1 = 4 + 2raiz (3)
 x2 = 4 - 2raiz (3)
 Answer: 
 432
 the roots are real.
 
x1 = 4 + 2raiz (3)
 
x2 = 4 - 2raiz (3)
4 0
3 years ago
19p-6(4p-8)=7(p-12)<br> Pls help am confused
elena-s [515]

Answer:

p=11

Step-by-step explanation:

4 0
3 years ago
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Consider the function f(x) = 3x2 + 7x + 2.
Llana [10]

Answer:

Step-by-step explanation:

This function I believe has one x intercept which is (-2/13,0)

5 0
3 years ago
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Can sum1 answer asap and pls give explanation :)
Tju [1.3M]

Answer:

whats the question

Step-by-step explanation:

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6 0
3 years ago
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