GuideFoot - Learn Together, Grow Smarter. Logo

Questions in Grade College

📝 Answered - Find the limit. Use a graphing utility to verify your result. (Hint: Treat the expression as a fraction whose denominator is 1, and rationalize the numerator.) [tex]\lim _{x \rightarrow-\infty}\left(4 x+\sqrt{16 x^2-x}\right)[/tex]

📝 Answered - Experts recommend that caregivers be A. Distant B. Authentic C. Rigid D. Stern E. None of the above when working with infants?

📝 Answered - Which will result in a perfect square trinomial? $(3 x-5)(3 x-5)$ $(3 x-5)(5-3 x)$ $(3 x-5)(3 x+5)$ $(3 x-5)(-3 x-5)$

📝 Answered - What do learners with interpersonal intelligence excel at? A. Solving problems B. Relating to and understanding others C. Self-reflection D. Appreciating nature

📝 Answered - To test the effect of a physical fitness course on one's physical ability, the number of sit-ups that a person could do in one minute, both before and after the course, was recorded. Ten individuals are randomly selected to participate in the course. The results are displayed in the following table. Using this data, find the $99 \%$ confidence interval for the true difference in the number of sit-ups each person can do before and after the course. Assume that the numbers of sit-ups are normally distributed for the population both before and after completing the course. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|} \hline Sit-ups before & 46 & 53 & 36 & 48 & 40 & 33 & 47 & 37 & 47 & 24 \\ \hline Sit-ups after & 55 & 59 & 40 & 57 & 56 & 49 & 60 & 39 & 56 & 26 \\ \hline \end{tabular} Step 3 of 4: Calculate the margin of error to be used in constructing the confidence interval. Round your answer to six decimal places.

📝 Answered - Which of the following is something you should do prior to using electrical equipment? A. Inspect and evaluate the equipment for any defects or damage B. Remove the ground from 3-prong plugs C. Wet the cord to ensure it doesn't overheat

📝 Answered - Which of these changes is an example of a chemical change? A. sodium making an explosion when added to water B. solid CO₂ turning into gaseous CO₂ C. water droplets forming outside a glass on a hot day D. evaporation of water from a pan

📝 Answered - At 6 a.m., the temperature was $-8^{\circ} C$. By noon, the temperature had risen $6^{\circ} C$. The temperature at 6 p.m. was $-10^{\circ} C$. Which integer represents the temperature change between noon and 6 p.m.? A. $-24$ B. $-12$ C. $-8$ D. $-4

📝 Answered - Which of the following illustrates an appropriate design element in the toddler environment? A. Climbing equipment. B. A raised platform from which a child can observe other children in the class. C. Private Spaces. D. Carpeting. E. All of the above F. A and D only

📝 Answered - What is the fundamental philosophy of the law and economics school?