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Questions in Grade College

[Answered] You are interested if there is a relationship between the average monthly temperature 6 months after birth (x) and the average age in weeks that the child crawled (y). | birth month | avg_crawling_age in weeks(y) | Temperature (x) | |---|---|---| | January | 29.84 | 66 | | February | 30.52 | 73 | | March | 29.7 | 72 | | April | 31.84 | 63 | | May | 28.58 | 52 | | June | 31.44 | 39 | | July | 33.64 | 33 | | August | 32.82 | 30 | | September | 33.83 | 33 | | October | 33.35 | 37 | | November | 33.38 | 48 | | December | 32.32 | 57 | a. Given the data above, what is the correlation coefficient? b. What is the p value obtained when testing if the correlation coefficient? c. Is there a linear relationship between temperature 6 months after birth and the average crawling age of babies at .05 significance level? d. Assuming that there is a linear relationship, what is the line that describes the relationship? e. If my daughter was born in a month where the average temperature for the 6 months after she was born was 36 degrees, what age would you expect her to crawl at?

[Answered] $x^2+y^2-14 x+12 y+69=0$ is the equation of a circle with center $(h, k)$ and radius $r$ for: $h=$ $\square$ and $k=$ $\square$ and $r=$ $\square

[Answered] Select the correct answer. Michael solved this inequality as shown: Step 1: [tex]$-6(x+3)+10<-2$[/tex] Step 2: [tex]$-6 x-18+10<-2$[/tex] Step 3: [tex]$-6 x-8<-2$[/tex] Step 4: [tex]$-6 x<6$[/tex] Step 5: [tex]$x>-1$[/tex] What property justifies the work shown between step 3 and step 4? A. transitive property B. division property of inequality C. distribution property D. addition property of inequality

[Answered] Mrs. Patel has just become pregnant and wants to know which medications in her profile could cause harm to her baby. Which medication should Mrs. Patel avoid? A. Hydrochlorothiazide B. Irbesartan C. Methyldopa D. Nadolol

[Answered] Which of these best describes a reflective essay? A. a description of a place or person B. a short story about something that happened to you C. a version of a historical event D. a thoughtful look at an important event

[Answered] Which of the following describes the roots of the polynomial function [tex]$f(x)=(x-3)^4(x+6)^2$[/tex]? A. -3 with multiplicity 2 and 6 with multiplicity 4 B. -3 with multiplicity 4 and 6 with multiplicity 2 C. 3 with multiplicity 2 and -6 with multiplicity 4 D. 3 with multiplicity 4 and -6 with multiplicity 2

[Answered] A test charge of [tex]$2.00 \times 10^{-6} C$[/tex] is placed halfway between a charge of [tex]$8.75 \times 10^{-6} C$[/tex] and another of [tex]$2.50 \times 10^{-6} C$[/tex] separated by 10.0 cm. What is the magnitude of the force on the test charge?

[Answered] Which expression shows the sum of the polynomials with like terms grouped together? $\begin{array}{l} \left(8 x+3 z-8 z^2\right)+(4 y-5 z) \\ {\left[8 x+4 y+\left(-8 z^2\right)\right]+3 z+(-5 z)} \\ 8 x+4 y+\left[3 z+\left(-8 z^2\right)+(-5 z)\right] \\ {\left[8 x+\left(-8 z^2\right)\right]+4 y+[3 z+(-5 z)]} \\ 8 x+4 y+\left(-8 z^2\right)+[3 z+(-5 z)] \end{array}$

[Answered] What is the quotient of $(x^3-3 x^2+5 x-3) \div(x-1)$? A. $x^2-2 x-3$ B. $x^2+2 x+7$ C. $x^2-3 x+8$ D. $x^2-2 x+3$

[Answered] For f(x)=√x and g(x)=x-6, find the following. a. (f∘g)(x) b. (g∘f)(x) c. (f∘g)(10) a. What is (f∘g)(x)? (f∘g)(x)=(Simplify your answer.) b. What is (g∘f)(x)? (g∘f)(x)=(Simplify your answer.) c. What is (f∘g)(10)? (f∘g)(10)=(Simplify your answer.)