Math The penguins currently living on an island are of two types, Chinstrap penguins and Gentoo penguins. The range of the heights of the Chinstrap penguins on the island is 13.2 centimeters, and the range of the heights of the Gentoo penguins on the island...

Verbal In the United States between 1850 and 1880, the number of farmers continued to increase, but at a rate lower than that of the general population.Which of the following statements directly contradicts the information presented above?A) The number of farmers in the general population increased...

Math Quantity A Quantity B PS SR A)The quantity in Column A is greater.B)The quantity in Column B is greater.C)The two quantities are equal.D)The relationship cannot be determined from the information given. Correct Answer - D - (click and drag your mouse to see the answer) Question Discussion & Explanation

Math The sequence of numbers \({a_1}\), \({a_2}\), \({a_3}\), . . . , \({a_n}\), . . . is defined by \({a_n}\)\({= \frac{{1}}{{n}} - \frac{{1}}{{(n+2)}}}\) for each integer \({n ≥ 1}\). What is the sum of the first 20 terms of this sequence? A. \({(1+\frac{{1}}{{2}}) - \frac{{1}}{{20}}}\) B. \({(1+\frac{{1}}{{2}})...

Verbal Reviving the practice of using elements of popular music in classical composition, an approach that had been in hibernation in the United States during the 1960s, composer Philip Glass (born 1937) embraced the ethos of popular music in his compositions. Glass based two symphonies on...

Math Quantity A Quantity B 54% of 360 150 A)The quantity in Column A is greater.B)The quantity in Column B is greater.C)The two quantities are equal.D)The relationship cannot be determined from the information given. Correct Answer - A - (click and drag your mouse to see the answer) Question Discussion &...

Verbal Peer-reviewed journals are a sacred cow of most scientific rationalists, but stud­ies have shown that the premise of impartiality is ________________ , as re­sults tend to be colored by the personal proclivities and suppositions of the ex­perimenters.A. inaneB. prejudicialC. fatuousD. chimericalE. fallibleF. vexing Correct Answer -...

Math The relationship between the area A of a circle and its circumference C is given by the formula \({A=kC^2}\), where k is a constant. What is the value of k ? A. \({\frac{{1}}{{4\pi}}}\) B. \({\frac{{1}}{{2\pi}}}\) C. \({\frac{{1}}{{4}}}\) D. \({2\pi}\) E. \({4\pi^2}\) Here \({\pi =3.14}\) Correct Answer - A - (click and...

Math Parallelogram OPQR lies in the xy-plane, as shown in the figure above. The coordinates of point P are (2, 4) and the coordinates of point Q are (8, 6). What are the coordinates of point R ?A. (3, 2)B. (3, 3)C. (4, 4)D. (5,...

Verbal It has been known for many decades that the appearance of sunspots is roughly periodic, with an average cycle of eleven years. Moreover, the incidence of solar flares and the flux of solar cosmic rays, ultraviolet radiation, and x-radiation all vary directly with the sunspot...