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2 years ago

8

Creed wanted to know if there was a correlation between number of years of education and income. He collected data and created t

he scatterplot shown:
Determine the closest correlation coefficient (r value) for this data.

1 answer:

Trava [24]2 years ago

5 0

Like CREED creed? cus we just talked and he denied all of this

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Find the zeros (roots) of the following equations. f(x) = 2x5 - 9x4 + 12x3 - 12x2 + 10x - 3 = 0

Talja [164]

Hi,
$f(1)=2*1^5-9*1^4+12*1^3-12*1^2+10*1-3\\
=2-9+12-12+10-3\\
=0\\

f(x)=(x-1)(2x^4-7x^3+5x^2-7x+3)\\


g(x)=2x^4-7x^3+5x^2-7x+3\\

g(3)=2*3^4-7*3^3+5*3^2-7*3+3\\
=162-189+45-21+3\\
=0\\

g(x)=(x-3)(2x^3-x^2+2x-1)\\

h(x)=2x^3-x^2+2x-1\\

h( \dfrac{1}{2} )=2* \dfrac{1}{8} - \dfrac{1} {4}+1-1\\
=0\\

h(x)=(2x-1)(x^2+1)\\


f(x)=(x-1)(x-3)(2x-1)(x+i)(x-i)\\


$
Roots are 1,3,0.5,i,-i.

8 0

3 years ago

Consider x^2 + (b/a)x = (-c/a). Which variable cannot have a value of zero? Justify your answer.

GREYUIT [131]

The answer is C because if something is divided by zero, it is undefined.

5 0

3 years ago

saul85 [17]

Answer:

$29,005.97

Step-by-step explanation:

Cn = Co * (1 + i)^n

Cn = 104,986.99(1+.05/1)^(1*5)

Cn = 104,986.99(1+.05)^5

Cn = 104,986.99(105)^5

Cn = 104,986.99(1.2763)

Cn = 133,992.96, total money at end

133,992.96-104,986.99= $29,005.97, interest accumulated

4 0

2 years ago

Help me out plz................................

12345 [234]

I think it is A but make sure with someone else

7 0

2 years ago

Read 2 more answers

A,b,c or d? Please help

lisabon 2012 [21]

C
Mathy49 See you later lol deleted my old one cuz it's in spanish

3 0

2 years ago