Expert Answers

For chemical rockets, what determines the maximum speed you can achieve? The total amount of fuel you bring, no matter how heavy your spacecraft is The ratio of the weight of your fuel to the weight of your rocket with no fuel The total weight of your spacecraft, regardless of how mucruel you bring O None of the above Save Answer Q14 1 Point Time dilation describes: The phenomenon that clocks moving close to the speed of light run faster than clocks at rest The phenomenon that clocks moving close to the speed of light run the same speed as clocks at rest The phenomenon that clocks moving close to the speed of light run slower than clocks at rest The phenomenon that interstellar travelers get so bored that time seems to pass extremely slowly

When CO, diffuses into the bloodstream, the following reactions occur COW - HO-> H2CO3 <-> HCO3 + HCl In the tissues, what effect will this have on hemoglobin? OH will bind to Fe Hemoglobin will bind og tightly Hemoglobin will transition from state to the state None of the above The H' will cause hemoglobin to release on

Please follow the directions and make sure the answers are correct. 

11) Find the real or imaginary Solutions to the given equation by using the quadratic formula What is the solution set. (Simplify your answer needed Write the exact answer, using radicals as Express complex numbers in terms of i. (Show all Steps x2+73 = 16x and work.) 12) use a calculator and the quadratic formula to find all real solutions to the following equation, (Round to the rear est hundredth as needed. (Show all steps and work.) 4.2x + 9.8x- 3.734 :o) what is the solution set and work) 13. For the giver equation state the value of the discrimirant and the number of real Solutions (Show all steps 4x²-16x +16=0 The discriminant is There islare (Type whole number.) real solution (s)

(1 point) Suppose f(x) = xºh(x) h(-1) = 3 h'(-1) = 6 Find: f'(-1) =

1 The ages in years) and weights (in pounds) of all running backs for a football team are listed. Find the coefficient of variation for each of the two data sets. Then compare the results Click the icon to view the data sets. Data Table cwoights - 0% (Round to one decimal place as needed.) CV9901 - O% (Round to one decimal place as needed) Weights Ages Compare the results. What can you conclude? 203 A. Ages and weights for all running backs on this team have about the samo amount of variability B. Ages are more variable than weights for all running backs on this team 24 OC Weights are more variable than ages for all running backs on this team. 189 27 23 29 28 191 182 195 215 183 193 26 28 29

Solve the following system of differential equations 2z+2 y y -21+2 g with initial conditions x (0) 1 and y (0) = 0 In this problem x = x (t) and y = y(t). Report the value of y(1) Answer:

Two sides of a right triangle ABC (C is the right angle) are given. Find cot e 3 BS C 5 = O O A. Cot olm O B. cotA= 5734 34 = O C. cot e wilw 3734 D. Cot D = 34 34 3 O E. coto

Question 2 The director of a radio broadcast company wants to determine whether the mean length of commercials on his station is equal to 24 seconds. A sample of 41 commercials had a mean life of 25.95 seconds and a standard deviation of 7.60 seconds. The significance level is 5%. What are the critical values of t? 02.010 and 2.010 -1.684 and 1.684 -2.021 and 2.021 -1.714 and 1.714 What is the value of the test statistic, rounded to three decimal places? What is the p-value for this hypothesis test, rounded to four decimal places? Should you reject or fail to reject the null hypothesis in this test? Fail to reject.

+ 3 Microsoft Word - Math 112 Hom X infile.php/970254/mod_resource/content/4/Math%20112%20Homework%20N238.pdf mework #8.docx 2/2 - 100% + 0 Figure 4 The mean gestation period for a horse is 336 days with a standard deviation of 3 days. Given a normal distribution, use the 68-95-90.7 Rule to interpret the data 16. Label the mean and values for standard deviations 1, 2.3 and -1.-2. and 3 on Figure 4 given the information above 17. What is the probability of it taking more than 336 days for a random mare to give birth? 18. What percent of horses take more than 345 days to give birth? 19. if a rancher had 25 horses give birth last year, about how many gave birth in less than 333 days? Figures The mean height for an 8 grader in the State of Flonda is 148 cm with a standard deviation of 8 cm Given a normal distribution, use the Empirical Rulo to interpret the data 20. Label the mean and values for standard deviations 112: 3 and -1.2 and 3 on Figure 5 given the information above. 21. What percent of 8 graders Heights are between 138 com and 102 cm? 22. What percent of all graders hghts are between 122 cand 170 cm

4. For the equilibrium: 2 BrCl(g) = Br? (9) + Cl2 (9) at 205 °C, the equilibrium constant, Kc, is 0.143. If 1.34 moles each of Br, (g) and Cl, (g) are introduced in a container which has a volume of 11.0 liters and allowed to reach equilibrium at 205 °C, what would be the concentrations of Br2 (9), CI, (g), and Brci (9) at equilibrium? |