Questions

Use your knowledge of bearing heading and true course to sketch a diagram that will help you solve the problem A plane is flying with an airspeed of 170 miles per hour and heading 155 The wind currents are running at 35 miles per hour at 175 clockwise from due north Use vectors to find the true course and ground speed of the plane Round your answers to the nearest ten for the speed and to the nearest whole number for the angle mi hr with heading

The data show the distance in miles from an airport of a sample of 22 inbound and outbound airplanes Us technology to answer parts a and b a Find the data set s first second and third quartiles b Draw a box and whisker plot that represents the data set 5 7 5 1 3 4 4 2 4 9 4 4 4 1 2 4 1 8 5 5 3 8 2 4 2 6 3 6 5 1 4 9 5 4 2 1 2 2 3 9 5 2 4 9 a Find the three quartiles Q Q Q3 Tyne integers or decimals Do not round K

dy dx y y 1 X

When the following molecular equation is balanced using the smallest possible integer coefficients the va these coefficients are propane C3Hg g Submit Answer oxygen g carbon dioxide g Retry Entire Group 9 more group attempts remaining water g

Sited N blue 0 red Write a balanced chemical equation for this reaction using the smallest integer coefficients possible Do not include states

Consider the function f x 9x Graph the exponential function by hand 2 2 Identify any asymptotes 1 1 150 100 50 y 150 100 50 1 2 2 3 X 4 1 3 2 2 3 1 4 5 1 x X

Use a calculator to evaluate the function at the indicated value of x Round your result to three decimal plac Value 67 f Function f x 1 2x X 7

Suppose that the random variables X Y and Z have the joint probability density function f x y z 8xyz for 0 x 1 0 y 1 and 0 z 1 Determine the following a P X 0 5 b P X 0 5 Y 0 5 c P Z 2 d P X 0 5 or Z 2 e E X f P X 0 5 Y 0 5

What is the formula for cobalt III chloride What is the formula for chromium III sulfide What is the formula for iron II fluoride

1 point For the equation given below evaluate y at the point 1 1 y 3x 4 0 u at 1 1

Solve the right triangle shown in the figure to the right Round lengths to two decimal places and express angles to the nearest tenth of a degree A 33 9 b 44 B a C 0 Round to the nearest tenth as needed Round to the nearest hundredth as needed Round to the nearest hundredth as needed CO b STEVE a D

Problem 1 Suppose that the random variables X Y and Z have the joint probability density function f x y z 8xyz for 0 x 1 0 y 1 and 0 z 1 Determine the following a P X 0 5

the function below Be sure to scale your graph and clearly state and label the amplitude midline maximum minimum period and scale y 2 sin x 1 Amp 2 ML ty 2 Graph the function below Be sure to scale your graph and clearly state and label the amplitude midline maximum minimum period and scale y 3 cos 4x 1 Amp 3 ML HORONITORY

1 y 9x5

3 85 8 190 9 230

Find the approximate square roots for each of the following rounded to hundredths by using the squeezing method a 7 b 0 0120

List the three main chordate evolutionary novelties that we covered in class lecture Describe what they are adaptations for and how they work towards that end Edit View Insert Format Tools Table

Define the concept of transfer of function Now discuss how the evolution of the jaw illustrates transfer of function by addressing each step in the figure as part of your explanation

Lobe fins locomote by paddling their fins rather than using exclusively their tail O True O False

Jawed vertebrates as a generalization get their food by O eating marine plants O burrowing in the sediment for small animals O filter feeding through their gill slits O active predation in the water column

Ray fins have fins with a muscular base and robust internal skeletal elements O True O False

Find the horizontal asymptote of f x Oy 3 Oy 1 Oy 3 x 1 3x 3x 6 x 1

What is the simplified form of the expression x 3 4 x 3 4 X 3 X 7 X 3 x 10x 21 4 x 7

With regard to the fetus immune system development in utero O a The baby immune system development occures only after birth Ob It occures to molecules that cross the placenta only Oc None of them Od It occures to pathogens that cross the placenta only Oe It occures to all molecules that are present in the fetus including the placental antige

What is the remainder when 2x3 4x2 32x 40 x 4 2 24

What value is a discontinuity of x 5 Ox 7 Ox 2 x 5x 2 x 2x 35 Ox 1

Given a polynomial f x if x 2 is a factor what else must be true Of 0 2 Of 0 2 Of 2 0 Of 2 0

Identify the zeros of f x x 1 x 8 5x 2 1 0 1 5 1 1 2 8 2 NIS 8 25 5 8 2 8 5

What is the simplified form of y 4 y 5 y 4 y 5 y 4 y 5 y 4 y 5 y y 12 y 8y 15

Use what you know about zeros of a function and end behavior of a graph to choose the graph that matches the function f x x 3 x 2 x 2 0

One zero of the polynomial function f x x 9x 20x is x 0 What are the zeros of the polynomial function 00 5 4 00 5 4 0 5 4 0 5 4

Find the vertical asymptote s of f x Ox 1 1 Ox 1 2 x 1 2 Ox 2 2 2x 3x 6 x 1

What is the quotient 2x3 13x 16x 5 x 5 2x 3x 1 2x 3x 1 2x 3x 1 2x 3x 1

Describe the land plant reproductive cycle and the alternation of generations using a diagram with annotation Upload your diagram

Bryophytes perform double fertilization True O False

Compared to Bryophytes Tracheophytes have all of these choices O ability to make woody tissue many tracheophytes O leaf structures O vascular tissue

Angiosperms have a suite of novelties that make them extremely competitive in an ecological sense One relates to fertilization First use the first photo below as a guide to explain how plants perform pollination more efficiently than a conifer for example Second choose a novelty of angiosperms that does not have to do with pollination that also makes this group so ecologically competitive

With early seed plants the endosperm develops before fertilization of the egg O True O False

Which of these joints is classified as a synarthrosis O a an invertebral disc O b the shoulder joint c the manubriosternal joint O d the pubic symphysis

The normal curvature found in the young adult cervical vertebral column is O a a spondylothesis O b a lordotic type a scoliosis C O d present at birth e a kyphotic type

Find the Banzhaf power distribution of the weighted voting system 27 17 15 11 10 Give each player s power as a fraction or decimal value P P P3 P4

WebAssign Plot 6 4 2 y 2 2 4 X

1 Use Geogebra to investigate the family of surfaces f x y a x b y e sliding values of a and b How does the shape of the graph depend on the numbers b for a and

Cooper invested 1 100 in an account paying an interest rate of 3 8 compounded daily Assuming no deposits or withdrawals are made how much money to the nearest cent would be in the account after 10 years

Consider the weighted voting system 10 10 5 3 1 Identify which players Are dictators Have veto power but are not dictators Are dummies Identify players by their number only For example if the answer is P and P2 enter 1 2 If there are no players that fit the description leave the space blank

2 Determine the complex zeros of f x r 42 9x 20x 20 a Briefly state what Descartes Rule of Signs tells you about the positive and negative real zeros of f x 2 points teus us ther s either 2 or 0 Positive real Zenus and 2 negative b To find your first zero you will need the Rational Zeros Theorem Write out all the possible rational zeros of f x 2 points

What is the probability that a student who plays an instrument is in band Play instrument Don t play instrument Total 20 O A 25 OB O C D 5 30 5 25 5 50 Band Not in band Total 20 5 25 0 25 25 20 30 50

Fibonacci sequence Choose the correct answer below OA 1 1 2 3 5 8 13 OB 1 4 9 16 25 36 1 3 6 11 17 25 OD 1 2 4 8 16 32 O C

A taste test asks people from Texas and California which pasta they prefer brand A or brand B This table shows the results A 0 43 OB 0 45 C 0 38 Texas California Total OD 0 36 Brand A 80 90 170 Brand B 45 60 105 A person is randomly selected from those tested What is the probability that the person is from Texas given that the person prefers brand B Round your answer to two decimal places Total 125 150 275

The Figure above shows the graph of The answers below are all integers The graph of f shows for a total of relative maxima and relative extrema 7 5 f x 2 3 2 x4 5 The graph is increasing on the bounded interval Note a bounded interval is one of finite length 9 relative minima