Mathematics problem solving

1) Find the numeric value of the indicated angle(s) for the triangle ?ABC. Find

1) Find the numeric value of the indicated angle(s) for the triangle ?ABC. Find C if A = 110? and B = 31?. Find A, B, and C if A = ? and B = C = 4?. ------------------------------…

1) Find the points on the graph of y^2 = x^3 - 3x + 1 a) First show that 2yy\' =

1) Find the points on the graph of y^2 = x^3 - 3x + 1 a) First show that 2yy' = 3x^2 -3 where y' = dy/dx b) Do not solve for y'. Rather, set y' = 0 and solve for x. This yields tw…

1) Find the second derivative of the function f(s)= s^4 sec s. I know the answer

1) Find the second derivative of the function f(s)= s^4 sec s. I know the answer is f '' s^2 sec s (12+s^2 sec^2 s + 8s tan s+ s^2 tan^2 s), I just want to know how they got the a…

1) Find the slope of the simple regression = b 0 + b 1 x . X Y 3 9 5 13 9 10 13

1) Find the slope of the simple regression  = b0 + b1x. X      Y 3      9 5     13 9    10 13   23 15     35 Select one: a. 2.595 b. 1.109 c. -2.221 d. 1.884 2) If the residuals f…

1) Find the slope of the tangent line to the graph of f(x)=5x-x^2 at x=2. 2)Find

1) Find the slope of the tangent line to the graph of f(x)=5x-x^2 at x=2. 2)Find the slope of the normal line to the graph of f(x)=x^2+x at x=1 3)Find the equation of the normal l…

1) Find the third quartile Q3 of the list of 24 sorted values shown below. 30 30

1) Find the third quartile Q3 of the list of 24 sorted values shown below. 30 30 31 33 35 36 39 39 43 45 50 51 51 51 55 55 56 56 60 62 65 72 76 7830 30 31 33 35 36 39 39 43 45 50 …

1) Find the third quartile Q3 of the list of 24 sorted values shown below. 30 30

1) Find the third quartile Q3 of the list of 24 sorted values shown below. 30 30 31 33 35 36 39 39 43 45 50 51 51 51 55 55 56 56 60 62 65 72 76 7830 30 31 33 35 36 39 39 43 45 50 …

1) Find the value of the derivative of each function at the specified point. Sho

1) Find the value of the derivative of each function at the specified point. Show all steps (hint: you’ll need the Chain Rule). a. f(x) = 3x+sinx (the whole thing is being taken b…

1) Find the volume of the frustum of a right circular cone with height h = 134 ,

1) Find the volume of the frustum of a right circular cone with height h=134, lower base radius R=25, and top radius r=15. 2) Find the volume of a cap of a sphere with radius r=72…

1) Fint the point on the line y=5x+2 that is closest to the origin. 2)Find the d

1) Fint the point on the line y=5x+2 that is closest to the origin. 2)Find the dimensions of a rectangle with area 1,728 m2 whose perimeter is as small as possible. (If both value…

1) First find f\' and then find f. f \'\'(x)=x^3 -2x +1 f \'(1)= 0 f(1)=4 2) Fin

1) First find f' and then find f. f ''(x)=x^3 -2x +1 f '(1)= 0 f(1)=4 2) Find a formula for Rn and compute the area under the graph as a limit. f(x)=x^2 +7x , [6,11] 3) Calculate …

1) Five children, Amelia, Bogani,Charles, Devine and Edwina, were in the classro

1) Five children, Amelia, Bogani,Charles, Devine and Edwina, were in the classroom when one of thembroke a window. The teacher asked each of them to make a statementabout the even…

1) For a draw of single card from a well shuffled deck, show that the events H,

1) For a draw of single card from a well shuffled deck, show that the events H, J, that is the card is a heart or jack respectively, are independent. 2) A dish contain 1 penney, 1…

1) For a formal statistical hypothesis test, what is the appropriate order of th

1) For a formal statistical hypothesis test, what is the appropriate order of the steps? a)Calculate the test statistic based on the sample data b)Draw the statistical conclusion …

1) For a formal statistical hypothesis test, what is the appropriate order of th

1) For a formal statistical hypothesis test, what is the appropriate order of the steps? a)Calculate the test statistic based on the sample data b)Draw the statistical conclusion …

1) For a function to have an inverse, it must be _____________________________.

1) For a function to have an inverse, it must be _____________________________. 2) If two functions f and g are inverses, then f composite g = ________________ = x. 3) The domain …

1) For a t-curve with n=22, use the chart to find the two t-values that divide t

1) For a t-curve with n=22, use the chart to find the two t-values that divide the area under the curve into a middle 0.90 area and two outside areas of 0.05 and report these valu…

1) For comparing means of two populations, for a given alpha error, what can you

1) For comparing means of two populations, for a given alpha error, what can you do to increase power of test? 2) Consider two separate mean comparisons: (1) H0: µ1= µ2 and (2) H0…

1) For comparing means of two populations, for a given alpha error, what can you

1) For comparing means of two populations, for a given alpha error, what can you do to increase power of test? 2) Consider two separate mean comparisons: (1) H0: µ1= µ2 and (2) H0…

1) For each dataset write a model statement that addresses the question o note w

1) For each dataset write a model statement that addresses the question o note whether there are paired sampleslrepeated measures, blocks, or covariates sketch a graph of what the…

1) For each of the following scenarios, define the null hypothesis (H 0) and the

1) For each of the following scenarios, define the null hypothesis (H 0) and the alternate hypothesis (H 1 ): (a) The mean edge crush st rength of corrugated cartons is being inve…

1) For each of the following scenarios, define the null hypothesis (Ho) and the

1) For each of the following scenarios, define the null hypothesis (Ho) and the alternate hypothesis (Hi): (a) Two different flu vaccines are being tested. Each vaccine is being t…

1) For each of the following, identify the null hypothesis and the corresponding

1) For each of the following, identify the null hypothesis and the corresponding alternative hypothesis. a) A computer company claims that less than one in one thousand of its chi…

1) For five distributions below generate a random sample with 50 elements. Const

1) For five distributions below generate a random sample with 50 elements. Construct 5-number summary for each sample. Provide a box-plot. The distributions: 1) any uniform (discr…

1) For the differential equation y\' = y, y(0) = 1, the value of the solution fu

1) For the differential equation y' = y, y(0) = 1, the value of the solution function at x=1 is e. Run each of the three numerical algorithms - Euler, Improved Euler, and Runge-Ku…

1) For the figure shown: a) Determine angle between cables AB and AC. b) Determi

1) For the figure shown: a) Determine angle between cables AB and AC. b) Determine the projection of force FAB on the strut OA. Express result as a Cartesian vector. c) Determine …

1) For the function below, find a) the critical numbers; b) the open intervals w

1) For the function below, find a) the critical numbers; b) the open intervals where the function is increasing; and c) the open intervals where it is decreasing a) Find the criti…

1) For the given undirected graph, find: (a) The total number of edges: (b) The

1) For the given undirected graph, find: (a) The total number of edges: (b) The degree of each vertex (i.e. degrees for a, b, c, d, e, f): 2) If G is a simple graph with 15 edges …

1) For the relation on the set {1, 2, 3, 4}, decide whether it is reflexive, whe

1) For the relation on the set {1, 2, 3, 4}, decide whether it is reflexive, whether it is symmetric, whether it is antisymmetric, and whether it is transitive. In order to get fu…

1) For this one I got the first box right, what would the second box answer be?

1) For this one I got the first box right, what would the second box answer be? 2) I think it would be easy to not make the answer u provide less confusing by typing the whole sen…

1) For what data in your professional or personal life would it be useful to con

1) For what data in your professional or personal life would it be useful to construct a frequency table or histogram? If you give this some thought, you should be able to identif…

1) For which of the following research situations would it be more appropriate t

1) For which of the following research situations would it be more appropriate to run an independent samples t test? None of the situations listed here would use an independent sa…

1) For your sample, use R to find the mean of x, the mean of y, the standard dev

1) For your sample, use R to find the mean of x, the mean of y, the standard deviation of x, the standard deviation of y, and the correlation between x and y. (You must give R cod…

1) Form a polynomial whose zeros and degree are given. Zeros: 0, -3, 4 ; Degree

1) Form a polynomial whose zeros and degree are given. Zeros: 0, -3, 4 ; Degree 3 2) For the polynomial, list each real zero and its multiplicity. Determine whether the graph cros…

1) Formulate the following problem: Clearly identify the decision variables, the

1) Formulate the following problem: Clearly identify the decision variables, the objective function and relevant constraints. The police department schedules officers to work 5 ou…

1) Freckles and tasting of PTC, a bitter substance, are independent are dominant

1) Freckles and tasting of PTC, a bitter substance, are independent are dominant traits in human. Use T-t and F-f, respectively, for alleles. Mary, freckled and non-taster, and Pa…

1) Function P(x)=0.00125x^4: What is the degree of the P(x)? b)As the number of

1) Function P(x)=0.00125x^4:                     What is the degree of the P(x)?                     b)As the number of snowboards x--->infinity, what is the end behavior of P(…

1) Gasoline pumped from a supplier\'spipeline is supposed to have an octane rati

1) Gasoline pumped from a supplier'spipeline is supposed to have an octane rating of 87.3. On 13consecutive days a sample was taken and analyzed with the followingresults:     88.…

1) Gasoline pumped from a supplier\'spipeline is supposed to have an octane rati

1) Gasoline pumped from a supplier'spipeline is supposed to have an octane rating of 87.3. On 13consecutive days a sample was taken and analyzed with the followingresults:     88.…

1) Generate a data set with three variables (X, Y and Z). X and Y have 10 observ

1) Generate a data set with three variables (X, Y and Z). X and Y have 10 observations for each (N=10), and Z has 13 observations (N=13). Each observation should have two digits (…

1) Given E(x) = and V(x) = 2 and y = 2x + 3, then which of the following is true

1) Given E(x) = and V(x) = 2 and y = 2x + 3, then which of the following is true about E(y) and V(y) 2) Ten fair coins are shake in a cup then poured out onto a table top. Which o…

1) Given that the relationship between GPA and IQ is stronger in high school tha

1) Given that the relationship between GPA and IQ is stronger in high school than in college, the dot cluster for high school (compared to that for college) should      a) less cl…

1) Given the following plan of supply and demand for chewing gum Price Quantity

1) Given the following plan of supply and demand for chewing gum Price Quantity Demanded Quantity offered (Cents / pack) (Million packets per week) (Million packets per week) .20 …

1) Given the following rawdata {1, 3, 5, 5, 5, 7, 7, 8, 9, 10}, find a) = ______

1)       Given the following rawdata {1, 3, 5, 5, 5, 7, 7, 8, 9, 10}, find a)  = _____________________(round to nearest wholenumber) b) median =________ c) mode (s), if any_______…

1) Given the following rawdata {1, 3, 5, 5, 5, 7, 7, 8, 9, 10}, find a) = ______

1)       Given the following rawdata {1, 3, 5, 5, 5, 7, 7, 8, 9, 10}, find a)  = _____________________(round to nearest wholenumber) b) median =________ c) mode (s), if any_______…

1) Given the rational function - 2x 2 +13 x 3 +6x Find the following, if any --

1) Given the rational function -    2x2+13                                                     x3+6x Find the following, if any-- a) Vertical asymptote at the line (s) x b) Horizo…

1) Grab Bag: A BIG Bag of candy is left out in front of a house, it can be divid

1) Grab Bag: A BIG Bag of candy is left out in front of a house, it can be divided into the following groupings; chocolate, hard-candy, soft-chewy, and novelty candy with the foll…

1) Help Stanley out by writing a sentence to explain what the confidence interva

1) Help Stanley out by writing a sentence to explain what the confidence interval he has calculated means in the context of the problem he is working on. 2) Stanley feels like his…

1) Help Stanley out by writing a sentence to explain what the confidence interva

1) Help Stanley out by writing a sentence to explain what the confidence interval he has calculated means in the context of the problem he is working on. 2) Stanley feels like his…

1) Hendrix Lake is a small freshwater lake in Oklahoma. Water collected from thi

1) Hendrix Lake is a small freshwater lake in Oklahoma. Water collected from this watershed had the following chemical composition: Ca2+ = 1.7 mg/L; Mg2+ = 0.4 mg/L Na+ = 0.9 mg/L…