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stepladder [879]
3 years ago
5

Carter is going to use a computer at an internet cafe. The cafe charges an initial fee to

Mathematics
1 answer:
RoseWind [281]3 years ago
8 0

Answer:

the additional charge per minute because t represents the number of minutes

Step-by-step explanation:

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Help meeeeeeeeeeeeeeee pleaseee!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
konstantin123 [22]

For the equation  F(x) = ax² + bx + c we have:

  • maximum value if a<0
  • minimum value if a>0

F(x) = -3x² + 18x + 3    ⇒  a = -3, b = 18

a < 0    ⇒   the function has a maximum value

Quadratic function has the maximum value (or minimum) at vertex of its parabola.

The maximum value is k at x=h where:  h=\dfrac{-b}{2a}  and  k = F(h)

h=\dfrac{-18}{2\cdot(-3)}=3\\\\F(3)=-3\cdot3^2+18\cdot3+3=-27+54+3=30

Therefore:

<h3> The function has a maximum value of 30 at x = 3</h3>

3 0
1 year ago
2. Solve the equation and check.
Andrej [43]
The answer is x=3 i believe
8 0
2 years ago
The system of equations is coincident. What are the missing values?
FrozenT [24]
\rm x+3y=5|*4 \\ \\ 4*x+4*3y=4*5 \\ \\ \boxed{\rm 4x+12y=20}
7 0
3 years ago
1 Two high school basketball teams have identical records of 15 wins and 2 losses. Sunnyside High School's mean score is 50 poin
yanalaym [24]

Answer:

Lin likes Sunnyside High School

Step-by-step explanation:

The Mean Absolute Deviation (MAD) is a measure of how dispersed the values are, in this case the score of the teams. So, Sunnyside High School, with a low MAD, scores nearly the same amount of points in every game.

6 0
3 years ago
Which number would make the statement true? (2 points)
alexandr402 [8]

Answer:

0.253

Step-by-step explanation:

since it is greater than 0.243

5 0
2 years ago
Read 2 more answers
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