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Pie
3 years ago
9

Charles uses a graphing calculator to find a quadratic regression model f for a given set of data. When he compares model f to a

n earlier regression model g for the same data, he determines that g more accurately models the data. Which of the following statements are true? Select all that apply.
A. Function f likely had fewer residuals near the x-axis than function g.
B. Function f likely had more residuals equal to 0 than function g.
C. Function g had more residuals near the y-axis than function f.
Mathematics
1 answer:
makvit [3.9K]3 years ago
7 0
B I hope this helped I’m not sure
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Olenka [21]
To solve this we are going to use the half life equation N(t)=N_{0} e^{( \frac{-0.693t}{t _{1/2} }) }
Where:
N_{0} is the initial sample
t is the time in years
t_{1/2} is the half life of the substance
N(t) is the remainder quantity after t years 

From the problem we know that:
N_{0} =100
t=200
t_{1/2} =1600

Lets replace those values in our equation to find N(t):
N(200) =100e^{( \frac{(-0.693)(200)}{1600}) }
N(200)=100e^{( \frac{-138.6}{1600} )}
N(200)=100e^{-0.086625}
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We can conclude that after 1600 years of radioactive decay, the mass of the 100-gram sample will be 91.7 grams.

8 0
3 years ago
Solve the inequality <br> r/6 &lt; or equal to 3
RSB [31]
R is greater then or equal to18
6 0
3 years ago
Which represents a side length of a square that has an area of 450 square inches?
amm1812

The formula of an area of a square:


A=a^2


a - a side


We have A=450\ in^2


substitute:


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Used:

\sqrt{a\cdot b}=\sqrt{a}\cdot\sqrt{b}

5 0
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gtnhenbr [62]

Answer:

230

Step-by-step explanation:

54+4×22×2

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230

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How many 0 are in one million
Shalnov [3]

Answer:

6

Step-by-step explanation:

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