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Gnoma [55]
3 years ago
14

Joel wants to find the best model for a bivariate data set that he is working with. He used a calculator to create a linear mode

l, a
quadratic model, and an exponential model. The coefficient of determination for the linear model was 0.45. The coefficient of
determination for the quadratic model was 0.38, and the coefficient of determination for the exponential model was 0.51.
Which model should he use to represent the data set?
Mathematics
2 answers:
laiz [17]3 years ago
5 0

Answer:

exponential

Step-by-step explanation:

Mumz [18]3 years ago
3 0

Answer:

exponential

Step-by-step explanation:

just took the test

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Int var1 = 0b0001; int var2 = 0b1111; int results1 = var1 & var2; int results2 = var1 | var2; int results3 = var1 ^ var2; in
Afina-wow [57]
<span>Int var1 = 0b0001;
int var2 = 0b1111;
int results1 = var1 & var2;
int results2 = var1 | var2;
int results3 = var1 ^ var2;
int printit = results1 + results2 + results3;
 
what are the values for results1, results2, results3 and printit after executing the code?
notes:
1. faster responses will be obtained if your code is presented line by line (in a file) before posting.
2. please specify language, many languages use the same syntax but could have differences in interpretation
-------------------------------------------------------------------------------

Assuming Java as the language.  C is similar.
</span><span><span>& bitwise AND &
^ </span><span>bitwise exclusive OR
</span><span>| bitwise inclusive OR

So 
results1=var1&var2=0b0001&0b1111=0b0001
results2=var1|var2=0b0001&0b1111=0b1111
results3=var1^var2=0b0001&0b1111=0b1110
printit=results1+results2+results3=0b0001+0b1111+0b1110
=0b10000+0b1110
=0b11110   

Note: by default, int has 4 signed bytes, ranging from decimal -2147483648 to +2147483647
</span></span>
8 0
4 years ago
What is the product?
fredd [130]

Answer:

\frac{4k + 2}{k^{2}-4 }  ×  \frac{k-2}{2k+1}   =  \frac{2}{k + 2}

Step-by-step explanation:

\frac{4k + 2}{k^{2}-4 }  ×  \frac{k-2}{2k+1}

To solve the above, we need to follow the steps below;

4k+2 can be factorize, so that;

4k +2 = 2 (2k + 1)

k² - 4  can also be be expanded, so that;

k² - 4 = (k-2)(k+2)

Lets replace  4k +2  by  2 (2k + 1)

and

k² - 4 by  (k-2)(k+2)   in the expression  given

\frac{4k + 2}{k^{2}-4 }  ×  \frac{k-2}{2k+1}

\frac{2(2k+ 1)}{(k-2)(k+2)}   ×  \frac{k-2}{2k+1}

(2k+1) at the numerator will cancel-out (2k+1) at the denominator, also (k-2) at the numerator will cancel-out (k-2) at the denominator,

So our expression becomes;  

\frac{2}{k + 2}

Therefore, \frac{4k + 2}{k^{2}-4 }  ×  \frac{k-2}{2k+1}   =  \frac{2}{k + 2}

3 0
4 years ago
Read 2 more answers
HELP ASAP PLEASE!!!!!!!!!!
Vlada [557]
14 + 2x = 62 14 - 14 + 2x = 62 - 14. subtract 14 from both sides 2x = 48 48 ÷ 2 = 24. x = 24

Did this help?
8 0
3 years ago
Read 2 more answers
A line segment has endpoints at (2, -3) and (5,-3). What is the equation of the perpendicular bisector of the line segment?
kozerog [31]
X=3.5 ........................
7 0
3 years ago
You have $1,998.00 on a credit card with a 14.5% APR. You miss your minimum payment the first month and there is a late fee of $
Minchanka [31]
There are 2 parts to this question.  1. One would be to calculate the interest based on your balance and 2. then to add the late fee.  Use the formula i = prt to calculate your simple interest. <em>i</em> represents the interest you will pay, <em>p</em> stands for the principal (balance on your credit card), and <em>t</em> stands for the period of time (related to a period of a year/annual percentage rate).  The $1998 balance times 0.145 times 1/12 gives the interest amount of $24.14.  So, $1998 + $24.14 + $37 = $2059.14 balance.  

7 0
4 years ago
Read 2 more answers
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