88,900 results, page 61
1. Calculus

A tree grows 2.80 m during the first year since it was planted. During each subsequent year the tree's growth is 85% of its growth the previous year. a) Calculate to the nearest 0.001m, the growth of the tree in the fourth year. Tn = ar^n-1 T4 =
2. Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.
3. Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.
4. Trig - check my answers plz!

1. (P -15/17, -8/17) is found on the unit circle. Find sinΘ and cosΘ Work: P= (-15/17, -8/17) cosΘ = a value P = (a,b) sinΘ = b value Answer: cosΘ = -15/17 sinΘ = -8/17 2. Should the triangle be solved beginning with Law of
5. English

Write the vocabulary word from the word box that matches each idea. Communicate - flick - alert- signal - chatter - grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/
6. FACS - Reading Assignment (Q2) Check

3. Explain - Why are foods-lab tasks moved from one person to another? Answer - The reason why are foods-lab tasks moved from one person to another is because when team members work together to complete tasks in the school foods lab, the whole group

Which of the following statements concerning business law is true? A laws provide a complete protocol of ethical behavior B ethical standards eventually become enacted as laws C Unethical behavior may be permissible by law *** D ethical behavior is agreed
8. Pre Alg (Check my work?)

1.) In which Quadrant is the point (x,y) located if x is negative and y is positive? II III IV (MY ANSWER) I 2.) Point A(5,-10) is reflected over the Y axis. Write the coordinates of A'. (-8,-10) (8,10) (8,-10) MY CHOICE (-8,10) 3.) At the half-tame show,
9. A Raisin in the Sun

What is your impression of Mrs. Johnson and her message? (Could you just check to see if my answer sounds all right?): My impression of Mrs. Johnson and her message is that she is basically a good person, though a little nosy. She says nice things about
10. Grammar (will you check the rest please)

Demonstrative Pronoun or Adjective? 1. Does anyone know how to bake this cake? ADJ 2. You can check that book out of the library tomorrow. ADJ 3. That singer is ainger is quite talented. ADJ 4. Those do not heat as well as some. PRO 5. Take these to the
11. English

Writeacher, could you please check my post, I need to prepare for tomorrow? Thank you!! Could you please check these phrasal verbs i'm unsure of? thank you. 1) They are cutting off the water/gas supply tomorrow. The chairman cut him out of the discussion.
12. physics

4. one joule per second is equal to one--- 5. Joules per second is an alternative unit use for expressing---- 6. A typical bicycle is a --- machine 7. When Ma>1 the machine effort force is ---- than the resistance force. 8. A landscaper pushes a
13. social studies

Hi, Can you help please? I usually have my answer ready and ask you to check it , but this time I cannot find it? The question is--- What difficulties did the North face from its own people? This is a question from a worksheet of 12 questions and it is
14. Algebra story problem, check please?

Dan purchases dvd's from a website, each dvd costs 11 dollars, and the shipping and handling fee is 6.95, dan is charged a total of 50.95, how many dvds did he purchase? A) Label a variable and write an equation: 11(x)+6.95=50.95 x is the number of DVD's
15. cultural diversity

1. Prejudicial behaviors by young children, particularly in the 3 to 5 year age group, are not rooted in: A. Cognitive inability to fit new information and experiences into an existing belief system B. Observation and emulation of pro-social attitudes and
16. Spanish

Hi there, I need to answer a few questions and I want to make sure I wrote them out correctly. Can you please check my answers? 1. if you were president, what would be your most important decision Si yo fuera presidente, me gustaría bajar los impuestos 2.
17. Maths - Differentiation

A function is defined by y= x^3/48 + 1/x (A) Find dy/dx - my answer: 1/16x^2-x^-2 (B) Find d^2y/dx^2 - my answer: 1/8x+2x^-3 C) use your answer to (A) to find the x coordinate of the two stationary points. D) use your answer to (B) to determine whether
18. Physics - Charges on objects (check + help)

Two identical objects have charges from +6.0*10^-6 and -2.0*10^-6, respectively. When placed a distance d apart, their force of attraction is 2,0N. If the objects are touched together, then they moved to a distance of separation of 2d, what will be the new

1.) which of the following represents dy/dx when y=e^-2x Sec(3x)? A.3e^-2x sec(3x) tan (3x)-2e^-2x Sec(3x)<<<< my choice B.)3e^-2x sec(3x)tan (3x)-2xe^-2x sec(3x) C.)3e^-2x sec(3x)tan (x)-2e^-2x Sec(3x) D.)3e^-2x sec(3x)tan (x)-2xe^-2x sec(3x)

Could someone please check my solution-Thank you-DRWLS helped me set it up and I solved it, I think From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground
21. check

How can a governor's message power affect legislation in a State?my answer is Of course a Governor's msg power affects legislation. A Governor has an enormous amount of power over a state.. .much like a president over the federal government. He or she gets
22. Geometry (check my work)

A scoop of ice cream shape like a sphere with a diameter of 6 cm is placed on an ice cream cone the has a diameter of 5 cm and a height of 9 cm, show that the cone is or is not big enough to hold all of the ice cream when it melts ? Answer- I said the cone
23. Math

1. The Suarez family paid \$15.75 for 3 movie tickets. How much would they have paid for 12 tickets? \$15.75/3=\$5.25 for 1 ticket \$5.25 x 12=\$63.00 for 12 tickets 2. A grocery store sells snacks by weight. A six ounce bag of mixed nuts costs \$3.60. Predict
24. Critical Thinking Quiz phi 103

Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this
25. chem

which of the following is a chemical reaction? A) propane forms a flame and emits heat as it burns. B) Acetone feels cold as it evaporates from the skin. C) Bubbling is observed when potassium carbonate and hydrochloric acid solutions are mixed. D) Heat is
26. Calculus

I did an experiment where I had to measure how fast water flowed out of a container at different times and with different volumes (from 0mL-1000mL in increments of 50). I also had to record the values into a table and graph them. (I got an exponential

a gun converts 200J of stored energy into kinetic energy of the 0.02kg bullet. a)What is the speed of the bullet as it leaves the gun? b)If the gun is fired straight up, how high will the bullet go? a)200J b)m*g*h= (0.02kg)(10m/s^2)=200J h=100m
28. Word Problem

I have a couple of questions. Could you please check one of them and help me with one? 1. You have a 256 feet of fencing to enclose a retangular region. Find the demensions of the rectangle that maximize the enclosed area? This is what I did: a=xy
29. calculus

Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. If G(t)=-0.046t^3+0.915t^2+38.005 points, what is (dG/dt)when t=4? Round your answer to the nearest point per hour. a. 50 points per hour b. 3 points per

I have a big online test and would really appreciate if you could please check my answers before I submit them (I only have 1 try) Two equivalent masses are attached by a rope that hangs over a pulley. Since the coefficient of friction is less than 1, they
31. LEA 201

Conduct an analysis of community policing with regard to the impacts pertaining to law enforcement administration. Thoroughly compare and contrast the aspects of community policing that are significantly influenced by the public interaction and political
32. Algebra

Hi this question was already asked but there is still no correct answer. I can't seem to solve this for x correctly...I got 128 over 55 as an answer which can't be correct. Please help me find the correct answer! Thanks The equation is: .05x-.6(x+2)=.08
33. English

Can you please check these sentences for me? Thank you very much. 1) Storm wants to borrow Rob's bicycle pump because she wants to train for the triathlon. 2) In the beginning she didn't want to race (for the triathlon) but then she changed her mind. She

The rainbow stretched across the sky from the ice cream truck to the house down the lane. Between the sixth and seventh floors of the building in the stairwell over in the corner. Punctuating Sentences I am not sure if I did them correctily would someone

Identify the number of independent and subordinate clauses in the following group of words. Energy can be gathered by using solar power A.two independent clauses(MAY ANSWER) B.one independent clause and one subordinate clause C.one subordinate clause only
36. Calculus

Hi there i am having some problems trying to do my calculus homework and i really need help on how to show the step to proof the volume of a sphere which is V= 4/3pirsquare. But I have to use triple integral to proof the volume of a sphere. Please help me
37. CellBiology

For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stop-transfer peptide, transcription d. stop-transfer sequence,
38. Biochem

For membrane-associated proteins, the consensus sequence _______ is found on the inchoate (new) polypeptide and ______ to halt. a. pribnow, replication b. signal peptidase, transcription c. stop-transfer peptide, transcription d. stop-transfer sequence,
39. economic

1)If the transactions approach to measuring money is used, then the money supply consists of a. transaction deposits only. b. currency, checkable and debitable deposits, and traveler's checks. c. currency and transaction deposits only. d. currency only.
40. Calculus

For a cylinder with a surface area of 90, what is the maximum volume that it can have? Round your answer to the nearest 4 decimal places. The volume of a cylinder is πr^2*h and the surface area is 2πrh+2πr^2.
41. Discrete Math

There are 150 students taking Discrete Mathematics II, Calculus II, and Physics I courses. Of these 51 are taking Discrete Mathematics II, 111 are taking Calculus II, and 63 are taking Physics I. There are 41 taking Discrete Mathematics II and Calculus II,

Do these look right? What shape does an ammonia (NH3) molecule have?trigonal pyramidal In a tetrahedral molecule, how many unshared pairs of valence electrons does the central atom have? none In a polar bond, electrons are? completely transferred What
43. Health care

Please check my answer thanks :) You own a company in a state where state funds are not mandated for employee health insurance. What's one option for providing your employees with health care coverage for work related injuries. 1 Medicaid plans 2.
44. Spanish

Esta mañana nos (1) _____ temprano en carro sin mapa. Al (2) _____ de la ciudad, Jorge (3) _____ al empleado de una gasolinera dónde (4) _____ el carril para acceder a la autopista. El empleado no (5) _____ contestarle porque no (6) _____ a dónde (7)
45. calculus-differential equation

Consider the differential equation: (du/dt)=-u^2(t^3-t) a) Find the general solution to the above differential equation. (Write the answer in a form such that its numerator is 1 and its integration constant is C). u=? b) Find the particular solution of the
46. algebra 2

A bag contains 7 blue marbles, 5 red marbles, and 9 green marbles. A marble is taken at random from the bag. What is the probability that the marble is blue or red? Please check my answer 12/21
47. check!

Posted by Anonymous on Thursday, February 22, 2007 at 12:20pm. The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron.

A) If x^2+y^3−xy^2=5, find dy/dx in terms of x and y. dy/dx=________ B) Using your answer for dy/dx, fill in the following table of approximate y-values of points on the curve near x=1 y=2. 0.96 ______ 0.98 ______ 1.02 ______ 1.04 ______ C) Finally,
49. calculus

"superman is in level flight 6 miles above ground. his flight plan takes him directly over whs high school. how fast is he flying when the distance between him and the whs high school is exactly 10 miles and the rate is increasing 40mph?" i keep getting: r
50. Literacy 3

Please Check my work. Thank you. 6. To avoid plagiarism in you written research paper, you must provide a citation for which of the following? A. The United Nations ruling on the Soviet-bloc countries B. The date the berlin Wall was pulled down by a crowd
51. algebra 2

Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the
52. Mrs.Sue Math pls check :)

I have to answer the follwoing question: Jades mother was making curtains for the dining room. She use 37 3/4 yards of fabric for the curtain panels. 13 2/7 yards of fabric for the valance. and 6ft 2in. of cord for the tiebacks. HOW many yards of fabric
53. Physics

I need help on the following questions, I am stuck and not sure on what to do, can someone work it out and or tell me steps to obtain the answer. Thank you 1) A point charge of -0.90 microC is fixed to one corner of a square. An identical charge is fixed
54. English

1. There are some naughty students in class. So you need to discipline them. What will you do if one student makes noisy during the class? - First, I will tell him to be quiet softly. If he continues making noise, I will make him stand at the back. If he

In an octahedral complex, electrons in dz^2 and dx^2-y^2 orbitals experience a greater repulsion from the lone pairs of electrons on ligands because these orbitals a. contain more electrons than the other three d orbitals. b. each contain one unpaired
56. physics

a person jumps from a window 15m above a safety net. The survivor stretches the net 1.0 m before coming to rest. What was the average deceleration experienced by the person when they were slowed to rest by the net? I do know the answer is -150m/s2,but I
57. poetry question

Hello for this poem for this question which one is correct: "The child is father of the man." What does this mean? The best fathers are immature. If one can't be a father he can never have a child. Our attitudes and beliefs as children stay with us
58. Health info

Please check my answer thanks. Dr Johnson is treating a psychotic drug user. The patient suddenly leaves the facility, leaving a note that he plans to kill his ex-wife. The pt left behind his antipsychotic meds that he must take every two hours Dr
59. precal

The smaller of 2 numbers is 10 less than 4 times the greater number. The bigger number is 19 more than the smaller one. If x is the smaller number one equation is: a)x+y=19 b)x=19-y c)y=x+19 d)x=y+19 I'm almost positive it is d I just want to check. A

The driving force of ATP Synthesis at the location of athe ATP synthesis complex is the ________. 1. proton motive force 2. hydrolysis of ATP 3. phosphorylation of ADP 4. proton concentration gradient I believe the answer is "1" because pmf is the driving
61. calculus

A rock is thrown upward with a speed of 48 feet per second from the edge of a cliff 400 feet above the ground. What is the speed of the rock when it hits the ground? Use acceleration due to gravity as -32 feet per second squared and approximate your answer
62. calculus

The voltage V (volts), current I (amperes), and resistence R (ohms) of an electric circuit are related by the equation V=IR. Suppose that V is increasing at a rate of 3 volt/sec while I is decreasing at a rate of 1/8 amp/sec. Let t denote time in seconds.
63. physics

A model rocket is launched straight upward with an initial speed of 60.0 m/s. It accelerates with a constant upward acceleration of 2.00 m/s2 until its engines stop at an altitude of 130 m. (a) What is the maximum height reached by the rocket? Your
64. math plz check ;-; sorry

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The
65. Math

The local zoo has 3 lions, 4 elephants, 2 giraffes, 5 monkeys, and 2 zebras. What is the ratio of zebras to total animals? My Answer: I already know this 3x:4x:2x:5x:2x=16x So 16 total animals 16x=2 x=8 So then the ratio of zebras to the total number of
66. math plz check ;-;

A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm. Which of the following statements is true? A. The triangle is an obtuse triangle because (√47)^2>5^2+5^2 B. The triangle is an acute triangle because 5^2<5^2+(√47)^2 C. The
67. Algebra

1.What is the shape of the graph of any linear function? Answer-line 2. Solve for x in |5x -2| >5 Answer- 2/3 < x <1 3. Compare the quantity in Column A with the quantity in Column B. Column A x + 12 Column B 12 + x Answer-The two quantities are

please check me Consider the characters Doc rabbit,Bruh fox,and tar baby.Which do you think is a real hero? A.Doc rabbit is a real hero because he is smart and knows how to get out of work B.toad is a real hero because he uses his brains to outwit a
69. Math

A rectangular park has an area of 2_3 square mile. The length of the park is 22_3 the width of the park. What is the width of the park? this is the example of how they want them solving it The width of the room is 5/6 the length of the room. What are the
70. Calculus

Boats A and B leave the same place at the same time. Boat A heads due North at 12 km/hr. Boat B heads due East at 18 km/hr. After 2.5 hours, how fast is the distance between the boats increasing? You are looking at a right-angled triangle, let S be the
71. Pre-Calculus

Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

Mr. Jones went to his doctor because for the past few days he has been having frequent burning uriation. The doctor preformed a urialysis. This was done by have the patient void into a collection container. The urine was cloudy and yellow in color. There
73. Algebra

Are these answer"s correct? What is the equation for the line that passes through the (-2,2) and has a slope of 5? Answer- Y=5x + 2 Y=5x +12 Y=5x -2 None of these ¨C I believe this is the answer Find the value of x^3+¡¼2x¡½^2-3 when x =3. Answer- 42

please check my answer thanks :) I messed up somewhere.:( Using the FIFO method of inventory pricing, what is the dollaor value of ending inventory if there were 17,000 units on hand on Dec 31 Must show all of work Jan 1 5,ooo @ \$0.89 = 4450 Feb 15 10,000
75. Math 8 - Qs. Check

Ratio, Proportions, and Similarity Similar Figures The White House, built 1792, is the oldest federal building in Washington, D.C. The building has undergone extensive remodeling over the years. The main building is four stories high and is about 170 ft
76. Calculus

The temperature of a cup of Starbucks coffee at time t (in minutes) is T(t)= 70 + c e^(-kt) . Initially, the temperature of the coffee was 200 degrees F. Three minutes later, it was 180 degrees. When will the temperature of the coffee be 150 degrees F? The
77. english

hypothetical syllogisms can have two valid and two invalid structures. The two valid structures are affirming the antecedent or modus ponens and denying the consequent or modus tollens. The two invalid structures or fallacies are denying the antecedent and
78. Calculus

The function g is defined for x>0 with g(1)=2, g'(x)=sin(x+1/x), and g"(x)=(1-1/x^2)cos(x+1/x). A. Find all values of x in the interval 0.12<=x<=1 at which the graph of g has a horizontal tangent line. B. On what subintervals of (0.12,1), if any,
79. Microeconomics

Check and correct my answers please. Thank you. Trunks owns a junk yard. He can use one of two methods to destroy cars. The first method involves purchasing a hydraulic car smasher that costs \$200/year to own and then spending \$1 for every car smashed into
80. Calculus

Reflecting the graph calculus problem f(x) = 5^x? reflecting the graph about the x-axis and the y-axis: y=___________ reflecting the graph about the line y = 3. y=__________
81. MATH STUCK:-(

I am having some difficulties factoring polynomials and I use only one method to figure the stuff out, which is the guess and check method because it's just mental math work and not that complicating. Here is a question that I know how to do, and below it

hypothetical syllogisms can have two valid and two invalid structures. The two valid structures are affirming the antecedent or modus ponens and denying the consequent or modus tollens. The two invalid structures or fallacies are denying the antecedent and
83. algebra

How do you factor numbers? 2x squared + 5x-3 for instance? 2x^2 + 5x -3 Make two sets of parentheses. ( ) ( ) The first number in each set must be such that the product will be 2x^2. Obviously, that must be 2xand 1x so put them in. (2x )(x ) The next thing
84. Calculus

The gravitational force, F, on a rocket at a distance, r, from the center of the earth is given by F=k/r^2 where k = 10^13 newton • km2. When the rocket is 10^4 km from the center of the earth, it is moving away at 0.2 km/sec. How fast is the
85. Calculus

How do you take the limit of a composite piecewise function f(f(x))? Only the graph is given. lim f(f(x)) x->2 I figured the way to do it was to find the lim f(x) = C then find lim f(x). x->2 x-> C The simple questions on Khan academy's "Limits of
86. Calculus

A balloon leaves the ground 500 feet away from an observer and rises vertically at the rate of 140 feet per minute. At what rate is the angle of inclination of the observer's line of sight increasing at the instant when the balloon is exactly 500 feet
87. critical thinking

how can readers distinguish beteen prejudicial and non-prejudicial use of rhetorical devices This is an excellent site on propaganda techniques: http://www.propagandacritic.com/ Be sure to also check out the links here -- all from previous postings of the
88. Physics

A string is attached to a wall and vibrates back and forth, as in Figure 17.18. The vibration frequency and length of the string are fixed. The tension in the string is changed, and it is observed that at certain values of the tension a standing wave
89. math calculus

The marginal cost of a product is modeled by dC/dx= 16/cube root 16x + 3 where x is the number of units. When x = 17, C = 120. (a) Find the cost function. (Round your constant term to two decimal places.) c= (b) Find the cost of producing 90 units. (Round
90. Hard Calculus

The gravitational force, F, on a rocket at a distance, r, from the center of the earth is given by F=k/r^2 where k = 10^13 newton • km2. When the rocket is 10^4 km from the center of the earth, it is moving away at 0.2 km/sec. How fast is the

The marginal cost of a product is modeled by dC/dx= 16/cube root 16x + 3 where x is the number of units. When x = 17, C = 120. (a) Find the cost function. (Round your constant term to two decimal places.) c= (b) Find the cost of producing 90 units. (Round

Underline the direct objects in the sentences, or extracts from sentences. 1. The next day I visited a good friend of mine. Underlined: friend of mine. 2. With everything set, I opened the small door of the fly house. Underlined: door of the fly house.
93. Calculus

A fence is 1.5m high and is 1m from a wall. A ladder must start from the ground, touch the top of the fence, and rest somewhere on the wall. Calculate the minimun lenght of the ladder. I drew a diagram and i ended up with a right angle triangle. i made the
94. Pre-Calculus

A ladder leans leans against a building that has a wall slanting away from the ladder at an angle of 96 degrees with the ground. If the bottom of the ladder is 23 feet from the base of the wall and it reaches a point 52 feet up the wall, how tall is the
95. Math

The variable d represents the cost of a customer's meal, in dollar. The following expression represents the amount paid, including tax. d + 0.18d F. The cost plus eighteen percent of the cost G. the cost minus eighteen percent of the cost H. the cost plus

"Everyone in our neighborhood mows their lawn on Saturday, and my street, as a result of that, is pretty." This construction: has one error, a pronoun with no appropriate antecedent. has two errors, a pronoun with no appropriate antecedent and a shift in
97. Spanish

11. Wake up early! A. ¡Acuéstate temprano! B. ¡Despiértese temprano! C. ¡Tú te despiertas temprano! D. ¡Me despierto temprano! E. unable to answer Answer: B 12. Cuando Luís montaba a caballo, siempre _____________ al suelo. A. caiga B. cayó C. se
98. Algebra

Simplify the expressions and solve the equations 1. 2√3 - √12 My answer: 2√3 - 2√3 = 0 2. √(5p + 5)^2 = √(6p + )^2 I got the answer p = 4 3. √(28) + √(63) + √(175) This one seems so simple. I tried
99. Social Studies

1. what time was the first target hit at Pearl Harbor? Answer: 7:53 a.m. 2. Who said, "A day which will live in infamy"? Answer: President Franklin D. Roosevelt 3. Which ships were placed within 12 miles from the island? Answer: Ward, Vega, and Antares 4.