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kiruha [24]
3 years ago
7

The following function represents the production cost f(x), in dollars, for x number of units produced by company 1: f(x) = 0.05

x2 − 7x + 300 The following table represents the production cost g(x), in dollars, for x number of units produced by company 2: x g(x) 0.6 899.58 0.8 899.52 1 899.50 1.2 899.52 1.4 899.58 Based on the given information, the minimum production cost for company _____ is greater. [Put 1 or 2 in the blank space]
Mathematics
2 answers:
Vesnalui [34]3 years ago
8 0

WRONG Answer: f(x) at (1, 899.50)

Feedback for this selection: Be sure to pair up the minimum with the correct function.

WRONG MY TEACHER SAID THAT^^^

kicyunya [14]3 years ago
6 0
The minimum production cost for company 2 is greater. 

The minimum production cost for company 2 is at point 1, and it's 899.5.

Just looking at the function for company 1, we can infer that the minimum will be much lower. As x increases, costs will initially decrease (-7x will dominate 0.05x^2). Since 300 is the y intercept, it will be lower than 300 for some portion of the domain until it hits a minimum. 
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X | Y

2 | 7

4 | 9     <-- linear.

6 | 11

8 | 13

A linear function is when there is an even consonant decline or up-rise.

X | Y

1  | 2

2 | 4 <-- also linear.

3 | 6

4 | 8

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2 years ago
Pls help me is this right red devil is killing me
Pie

Answer:

6x^2-48x-29

Step-by-step explanation:

3 0
3 years ago
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In the diagram, point C represents the center of the sphere. Diego says that the part of the sphere labeled D is the radius. Gre
Katen [24]

Answer:

Gregoire is correct; the diameter is a chord that passes through the center of the sphere.

Step-by-step explanation:

A sphere is a geometrical shape formed from a circle. Some of its parts are: diameter, center, radius circumference, etc.

The center of a sphere is a point at its middle. The diameter is a straight line, e.g a chord, that is drawn from one point on the circumference of a sphere to another point and passes through its center. While radius is a line that is from the center of the sphere to a point on its circumference.

A diameter is twice of a radius, so that:

                            Radius = \frac{Diameter}{2}

⇒                        Diameter = 2 × Radius

Therefore with respect to the question, Gregoire is correct because a diameter is a chord that passes through the center of the sphere.

3 0
3 years ago
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Considering the number of questions incorrect from classmates on a quiz {10, 11, 12, 13, 13, 13, 14, 15, 16, 16, 17, 18, 18, 19,
IrinaK [193]

Answer:

According to the Empirical Rule, 68% of the data should fall between 11.98 and 18.02

Step-by-step explanation:

We are given the following data in the question:

10, 11, 12, 13, 13, 13, 14, 15, 16, 16, 17, 18, 18, 19, 20

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{225}{15} = 15

Sum of squares of differences = 25 + 16 + 9 + 4 + 4+ 4 + 1 + 0+ 1+ 1 + 4 + 9 + 9+ 16 + 25 = 128

S.D = \sqrt{\dfrac{128}{14}} = 3.02

Empirical rule:

  • According to this rule almost all the data lies within three standard deviation of the mean for a normal distribution.
  • About 68% of data lies within one standard deviation of the mean.
  • About 95% of data lies within two standard deviations of mean.
  • Arround 99.7% of data lies within three standard deviation of mean.

Thus, by empirical rule,

\mu \pm 1\sigma = 15\pm (3.02) = (11.98,18.02)

According to the Empirical Rule, 68% of the data should fall between 11.98 and 18.02

5 0
2 years ago
Helppppppppppppppppppppppppp
Reptile [31]

Answer:

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Step-by-step explanation:

the formula for slope of a line is Y2-Y1

X2-X1

taking any two points from the table ,

(-1-3)÷(2-(-1))

-4/3

3 0
3 years ago
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