Questions Asked on
April 24, 2015

AP CALC
What property must f satisfy if the local linear approximation of f is always greater than or equal to the function's value for all x in an interval containing the point of tangency?
asked by Rachel 
English
From the book The Importance of Being Earnest by Oscar Wilde, which sentence from the passage provides the best expression of the theme? A."It's perfectly easy to be cynical. " B. "... once a week is quite enough to dine with one's own relations." C." The
asked by pink 
English 4
In “The RockingHorse Winner,” Paul's ability to predict winning horses is ____. A. discreet B. brazening C. uncanny D. remonstrated A ?
asked by Ciara 
English 4
How does the playing of scales echo the return to tradition in “Prayer”? A. Scales are ornamental and challenging. B. Scales are foundational and methodical. C. The meter of scales matches that of the sonnet. D. The piano is a source of traditional
asked by Ciara 
chemistry
Is C2O4H more likely to act as an acid or base
asked by Cortney 
chemistry
At a certain temperature, the Kp for the decomposition of H2S is 0.734.Initially, only H2S is present at a pressure of 0.102 atm in a closed container. What is the total pressure in the container at equilibrium?
asked by ash 
chemistry
A mixture is made using A 50.0 mL sample of a 0.20 M aqueous solution of NAOH was added to 50.0 mL of a 0.20 M aqueous solution of HCl.What is its pH at 25.0 °C?
asked by aireen 
chemitry
help me.. The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 moles of NaC2H3O2 in enough water to make 2.00 liters of solution. Its pH was measured as 4.40. How many moles of HC2H3O2
asked by Azy 
math
4 red,4 white,4 blue at random take out 2 , say 1 red 1 white do not replace. what is probarbility of now picking a)blue b)red c)white so red=1/12 or 1/4 white=1/12 or 1/4 now only 10 left red 3/10,white3/10, blue 4/10
asked by steve 
Algebra
An airplane flies 165 miles from point A in the direction 130 degrees and then travels in the direction 245 degrees for 80 miles. Approximately how far is the airplane from A?
asked by Anne 
mathematics
The length of two sides of an acute tritriangle are 8 inches and 10 inches. Which of the following could be the length of the third side?
asked by Anonymous 
English
WORDS: Averse Detract Disdain Divulge Elation Endow Expulsion Mortified Nullified Ominous  Some people are so (1)averse to living near a nuclear plant that they want the plant’s license to be (2)nullify. They say the plant infringes on every
asked by Sora 
Math
Find the number of distinguishable permutations of the following letters: M, I, S, S, I, S, S, I, P, P, I.
asked by Hailey 
Algbra
It’s the end of the semester, and sisters Sarah and Chelsea are eager to head home for the summer. It’s a long drive, and Sarah’s old car can manage an average speed of only 55 miles per hour, so she leaves early in the morning. An hour later,
asked by Brian 
Algebra
It’s the end of the semester, and sisters Sarah and Chelsea are eager to head home for the summer. It’s a long drive, and Sarah’s old car can manage an average speed of only 55 miles per hour, so she leaves early in the morning. An hour later,
asked by Brian 
math
The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences
asked by Lillian 
maths
Frog jumps 3 m high and falls back 2 m. How many jumps does it come out of well.if frog is inside the 40m deep well
asked by lakshmi 
Interest
Jim opens a savings account with a deposit of $10,000. If the account has an annual interest rate of 6%, compounded quarterly, how much is in the account after one year? (Assume that he does not make any withdrawals. Round only your final answer to the
asked by Joe 
physics
A 13 ohm, 35 ohm, and 2k ohmresistor are connected in a series circuit with a 190 V battery. What is the equivalent resistance of the circuit?
asked by Anonymous 
physics
A 13 ohm, 35 ohm, and 2k ohmresistor are connected in a series circuit with a 190 V battery. What is the equivalent resistance of the circuit?
asked by john 
algebra 2
Subtract the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending powers of x. (6.7x2power + 2.3x y + 5.2)  (14.9x 2  3.5x y + 7.1) my answer 8.2x2power+5.8xy1.9
asked by Myia 
physical education
For science fair project interview from an expert: 1. How much should my time improve in 30 days running a mile? 2. Will the type of shoe I wear affect my running time? 3. How will the weather affect my time? 4. Do different track surfaces affect my time?
asked by Mason 
6th Grade Math Help Please
Hi, I need help because I'm really stuck on this math word. Can someone please define what rational coordinates means what? I really need help fast because this project is due today! Thank You :)
asked by MusicLover14 
Chemistry
What is name of this according to the IUPAC: a benzene that has an ethyl group on an its carbon , and a double methyl group on another carbon ? thanks
asked by Mad 
Health and Physical
The structures responsible for carrying information all over your body are? A. Muscles B. Alveoli C. Neurons (D). Blood Cells
asked by Kate 
statistics
For a given set of data, it is known that x = 10 and y = 4. The gradient of the regression line y on x is 0.6. Find the equation of the regression line and use it to estimate y when x = 8.
asked by ednah 
Math
Diane is putting money into a checking account. Let represent the total amount of money in the account (in dollars). Let represent the number of weeks Diane has been adding money. Suppose that x and y are related by the equation 30x+450=y . Answer the
asked by Tia 
physics
find the no. of electron which must be removed from a conductor so that it requires a charge of 3.2 microC
asked by Parmesh kumar 
I really need help!
Hi, I really need instructions. Can someone please tell me how to make a coordinate plane and a rectangle on the plane in Microsoft Excel 2013 please? I really I need an answer soon because this is due today!!!! Please someone help fast! Thank You :/
asked by MusicLover14 
science
__________ rocks forms when a rock is changed by heart,pressure, or chemical reactions. a) Igneous b) Sedimentary c) Metamorphic d) Chemical i think its c
asked by basketball&batman 
science
Which of the following is not a characteristic of igneous rocks? a. Igneous rocks are formed when molten rock cools and hardens. b. Igneous rocks have crystal grains. c. Igneous rocks are larger in size because the rock cooled more slowly after the hot
asked by basketball&batman 
physics
help pls. i need to find the best animation of the movement of electrons and protons... the best one... pls send me the link. thanks so much.
asked by Lucy 
Chemistry
I have water pH 7.0 insulation with various other things that do not affect pH, I am trying to add X amount of HCL to lower the solution to a pH of 1.5 I know pH=log[HCl] but I'm not sure how to approach this problem, after this I am then trying to add
asked by Margaret 
English
What does Georgiana represent in "The Birthmark"? feminine perfection
asked by Sara 
linear algebra
(5.1) the the zero power 3g2b2
asked by izzy 
sentences and spelling
Which one of the following words has the suffix ing added correctly? A. Talking B. Hopeing C. Stoping D. Findding
asked by stacy 
Technical Physics
Consider a hypothetical situation, where your friend suggests leaving the refrigerator door open to help cool the house on a hot summer day. Discuss what will happen to the temperature of the room. Will it decrease, increase, or stay the same and why?
asked by Jennifer 
Math
Joan needs to buy water to fill 4 empty cylindrical tanks for use by customers in her hotel. Each is 20 feet deep and has radius of 5 feet. What is the volume of water needed?
asked by Bridgette 
Social studies
1. Which word best describes modern life for Japanese teenagers such as Asuka? relaxed crowded isolated traditional 2. Tropical storms often hit Japan during the ________. summer winter spring fall 3. Which of Japan's islands has the largest level area?
asked by Shawn 
History
Can anyone explain to me about communities living under Nazi occupation during world war ll?
asked by Person 
Science
A gardener plants several flowering plants of the same species and notices that about 10% of the plants produce larger flowers than the others. He keeps track of the distribution of flower sizes over several years as shown in the table below. What explains
asked by Anonymous 
Science
uppose some natural disaster occurs and a species of finch is forced to relocate from its original island where us dined on cactus flowers ti ab adjacent island with many fewer cacti but an overabundance of orchids. what would be the immediate consequences
asked by Student 
DISCRETE MATH
HOW CAN YOU USE DISCRETE PROBABILITY TO CALCULATE THE PROBABILITY OF TESTING 5 DEVICES SUCH THAT ALL 5 END UP BEING NONDEFECTIVE, GIVEN THERE ARE 20 DEFECTIVE DEVICES TOTAL OF THE ORIGINAL 100 DEVICES? WHAT IS THE SAMPLE SPACE?
asked by MARAL 
Trig
If tan x = sq rt3/3 and cos x = sq rt3/2, the measure of
asked by Patti 
Math
What is the midpoint of the line segment whose endpoints are (8, 12) and (13, 2)?
asked by Brad 
Health
True or false: Universal precautions attempt to prevent infectious diseases from being spread from the victim to the good Samaritan and vice versa. A. True*** B. False The first step in an emergency is A. Check*** B. Call C. Care D. Do Something It is
asked by Abby 
Math
Milan must choose a number between 55 and 101 that is a multiple of 6 , 9 , and 18
asked by Sammy 
Ethics in Tech
Unlike most professionals, the typical software engineer does NOT: A. have a college education. B. make important decisions. C. make more than minimum wage. D. work directly with individual clients. Is it C
asked by Amy 
Prealgebra
Find the surface area of the prism. Round to the nearest tenth if necessary. The three sides are all 8.1 inches, the area of the base is 28.4 inches^2, and 12 inches is the length. It's a,b,c, or d. A. 348.4 in^2 B. 320 in^2 C. 291.6 in^2 D. 251.2 in^2
asked by Megan 
English
What is the part of speech for the word have in the following sentence? Does she have the flu?
asked by Luanne 
computer science
ƒnDefine a new class Coordinator that represent a faculty member who works a certain number of hours each month. In this case, the salary is computed by multiplying the working hours by the hourly payment rate. „ÏƒnCreate a new object of class
asked by badd 
Math
After polling a class of 20 music students by a show of hands, you find that 8 students play the guitar and 9 students play the piano. Given that information, what is the minimum number of students in this music class who play both the guitar and the
asked by Anonymous 
math
A gneral having formed his soldiers numbering 15400,into a solider square,found he had 24 men left over,how many soliders did the front row?(hint.1540024)
asked by Hijab 
Psychology
Choose from these answers: [(A):histogram] [(B):population] [(C):parameter] [(D):statistic] [(E):random sample] 1. A ________ provides a numerical description of a sample. 2.The number of people in the U.S. as measured by the U.S.Census is a _______. For
asked by Anonymous 
physics
A net charge of 73 mC passes through the crosssectional area of a wire in 9 s. What is the current in the wire? The fundamental charge is 1.602 × 10−19 C.
asked by chris 
physics
If the current in a wire of a CD player is 1.10 mA, how long would it take for 3.40 C of charge to pass a point in this wire?
asked by chris 
Computer Science
What are the types of errors that can be encountered in programs?
asked by Wenwen 
Math
1.You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point) experimental; the result is based on the number of possible outcomes experimental; the result is found by repeating an
asked by Anon 
French
I would like to double check my fill in the blank answers. Si j’avais ___(1)___ le choix, j’___(2)___préféré aller au ___(3)___plutôt qu’à ce concert. Je regrette d’être ___(4)___. Je n’aime vraiment pas ce ___(5)___! Après ___(6)___vu le
asked by Anonymous 
Math 222
I want to make sure that I am using my vocabulary words correctly to explain my answer for this problem. Thank You!!! ). This Quadratic formula needs to be factored x^2 + 3 x + 5 = 0 x^2  3 x  5 = 0 x = [ +3 +/ sqrt(9 + 20) ] / 2 The discriminant 1.5
asked by Tika 
Math 222
Please help me make sure that I am using my vocabulary words correctly to explain the problem. Thank you!!! 8). The Quadratic Formula a^2  6 a + 9 = 0 Then I completed the square(a3)(a3) = 0 a = 3 or a = 3, in other words the vertex is on the x
asked by Tika 
French
I would like to double check my fill in the blank answers. Merci! 26. Le film que nous ___(1)___ vu hier ___(2)___ sans aucun intérêt. Je me suis ___(3)___ pendant la ___(4)___. Nous ___(5)___ nous ___(6)___ même pas du titre du film. ___(7)___ ne
asked by Anonymous 
physics 133
1 Which of the following is the correct unit of k in the equation of a damped harmonic oscillator given as , where b is the damping factor and all the symbols have their usual meaning? 2 If s is distance and t is time, what must be the dimensions of a and
asked by Cali franco 
Math
Can anyone help me with this question. What's the best answer? Choose from these answers: [(A):variance] [(B):standard deviation] [(C):sample mean] [(D):ssquared] [(E):unbiased estimate] 1.subtract the mean of all the scores from each score, then square
asked by Anonymous 
MATH
Can anyone help me with this question.? What term is being described? Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Zscore (E)Transformation rules
asked by Anonymous 
Math
Can anyone help me with this question.? What term is being described? Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Zscore (E)Transformation rules 1 If you keep taking more and more samples, the average of
asked by Anonymous 
AP Physics
A 70 kg man stands at the back of a 3.0 meter long boat that has mass 2X kg. The front of the boat is touching a dock. The man walks to the front of the boat. How far from the dock is he? Assume there is no friction between the boat and the water.
asked by Burrito 
calculus
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3 sqrt x,y=3 and 2y+1x=4
asked by webworks 
Math
I need help with sequences 2,1,1/2,1/4,... Is this arithmetic, geometric,neither, or both (geometric?) 7,9,11,13 arithmetic, geometric,neither, or both. (arithmetic?) 1,2,4,8... Whats the rule think the rule is: Start with one and multiply by two
asked by Amber 
English 4
Describe the tone of the final line in “Anthem for Doomed Youth.” What specific words help to establish this tone? The speaker ends with an image of blinds being drawn before dark. That word "slow" reflects the way the poem has been slowing down
asked by Ciara 
MATH
Can anyone help me with this question.? What term is being described? Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Zscore (E)Transformation rules 1 If you keep taking more and more samples, the average of
asked by Anonymous 
Math
Simplify 8C5 I have no Idea how to solve this, if someone could help? The choices are: A. 6,720 B. 336 C. 56*? D. 10
asked by Anon2 
physics 111 "2"
1 A stone thrown from ground level returns to the same level 4 s after. With what speed was the stone thrown? Take 20 m/s 10 m/s 30 m/s 15 m/s 2 What is common to the variation in the range and the height of a projectile? time of flight vertical
asked by Cali franco 
Math, Psychology
Can anyone tell me what should be the answer to this question? What term is being described: Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Zscore (E)Transformation rules 1) If you keep taking more and more
asked by Anonymous 
Math
Use the graph below to answer the following question. 1. Find the slope. (1 point) 2 – –2 Use the graph below to answer the following question. 2. Find the slope of the line. Describe how one variable changes in relation to the other. (1 point) 2;
asked by Andrew 
Computer Architecture!!
How can we find the value in decimal stored in the AC register, after executing the MARIE program
asked by Anna 
MATH
HELP !!! Which statistics concept is described? Choose from these answers: [(A):statistical test] [(B):Null Hypothesis] [(C):alpha] [(D):onetailed test] [(E):twotailed test] [(F):Type I error] [(G):Type II error] [(H):the statistic Z] 1)When a hypothesis
asked by Anonymous 
Calc 1
Consider the function below. f(x) = (x^2)/(x−9)^2 (a) Find the vertical and horizontal asymptotes. x=? y=? (b) Find the interval where the function is increasing. (Enter your answer using interval notation.) Find the interval where the function is
asked by TayB 
Calc 1
Evaluate the limit. lim x → 1 (ln x)/(sin 5πx)
asked by TayB 
Calc 1
Consider the following function. f(x) = x^6 ln x (a) Use l'Hospital's Rule to determine the limit as x → 0+. (b) Use calculus to find the minimum value. Find the interval where the function is concave up. (Enter your answer in interval notation.) Find
asked by TayB 
Math, Statistics
Find two zscores so that 40% of the data in the distribution lies between them. (More than one answer is possible). Include a sketch of the distribution with 40% of the area shaded and the corresponding zscores included. I'm not sure how to do this
asked by Lita 
Please Help, I REALLY need it btwscience
1. which of the following is not a method by which minerals form? a) crystallization b) decrystallization c) water evaporation from a solution d) cooling of magma or lava (more will be listed)
asked by Destiny 
Algebra
Lester makes sweetened iced tea. He uses 1/2 cup of sweetener to make 2 quarts of tea. He wants to make 16 quarts of tea for a family gathering. Which proportion should lester use to find s, the amount of sweetener to add to 16 quarts of tea?
asked by clarissa 
Science
Which evidence from the sea floor shows that tectonic plates move? a) the sea floor is youngest near a midocean ridge and older farther away b) The sea floor is much older than the continents c) midocean ridges form the longest range of mountains on
asked by Destiny 
Science help
Which of the following illustrates conduction as a mode of heat transfer? a) A microwave oven produces electromagnetic waves that transfer to the food in the form of heat*** b) leaving a metal spoon in a bowl of hot soup will make the spoon hot as well c)
asked by Destiny 
Math 222
want to make sure that I am using my vocabulary words correctly to explain my answer for this problem. Thank You!!! ). This Quadratic formula needs to be factored x^2 + 3 x + 5 = 0 x^2  3 x  5 = 0 x = [ +3 +/ sqrt(9 + 20) ] / 2 The discriminant 1.5 +/
asked by Tika 
geometry
circle E with a diameter AC and m
asked by robin 
Psychology
HELP !!! Which statistics concept is described? Choose from these answers: [(A):statistical test] [(B):Null Hypothesis] [(C):alpha] [(D):onetailed test] [(E):twotailed test] [(F):Type I error] [(G):Type II error] [(H):the statistic Z] 1)When a hypothesis
asked by Anonymous 
PLEASE HELP ME!!!
How does subduction change the ocean floor? a) subduction cause magma to accumulate on the ocean floor b) subduction causes oceanic crust to break into pieces c) subduction causes the ocean floor to sink into deepocean trenches d) subduction causes
asked by Destiny 
geometry
I tried to do this problem but the answer doesn't jive. Circle C has a radius of 13. Chord AB is 10. Find the distance from the center of the circle to chord AB which is labeled CD. I labeled CD = x. 1/2 of AB = 5. The line segment CB (13) is the same os
asked by robin 
Algebra
2(9a6)^2=11(9a6)+63
asked by Merty 
Social Studies
What shortage was created by the postWorld War II baby boom? a. a shortage of food products b. a shortage of hospitals c. a shortage of houses d. a shortage of schools i think its a
asked by basketball&batman 
Math
. If Kerry fills the tank with 10 in. of water, how much water is in the tank? How much of the tank is empty?
asked by hi 
Intermediate Algebra
An airplane ascends 150 feet as it flies a horizontal distance of 1000 feet. How much altitude will it again as it flies a horizontal distance of 1 mile. (hint: 5280=1mile.)
asked by ASCC 
Math
. If Kerry fills the tank with 10 in. of water, how much water is in the tank? How much of the tank is empty?
asked by Anonymous 
Algebra
x^4  29x^2 + 100 = 0
asked by Merty 
Algebra
Solve by using the quadratic formula 7x^25x=0
asked by Merty 
Check my work please!
How does subduction change the ocean floor? a) subduction cause magma to accumulate on the ocean floor b) subduction causes oceanic crust to break into pieces c) subduction causes the ocean floor to sink into deepocean trenches d) subduction causes
asked by Destiny 
Physics
A small mass slides without friction across a plane an (x,y) coordinate system directly from the origin to a point with (x,y) coordinates (1.3 m, 9.6 m); a constant force acts on it. The force has magnitude 2.1 N and its direction is at a counterclockwise
asked by Wack 
statistics
would the null hypothesis that the 2000 mean hourly earnings of all workers was $16 be rejected at the 10% significance level in favor of the twosided alternative? What about the null hypothesis that the mean was $15?
asked by Mary 
statistics
assume that the odor threshold for untrained noses is normal with a standard deviation of 7. the odor thresholds for these 10 noses are: 31, 31, 43, 36, 23, 34, 32, 30, 20 and 24. is there evidence that the mean threshold for untrained tasters is greater
asked by Mary 
Math 222
How do I write this problem as a single fraction? Sorry my addition button doesn't work. 2x plus 7y 2x plus 5y ____________  ____________ plus 2 8x 2x
asked by Tika 
Math 222
How do I write this problem as a single fraction? Sorry my addition button doesn't work. 2x plus 7y 2x plus 5y ____________  ____________ plus 2 8x 2x
asked by Tika 
chemistry
In a 1.00 L container at 272 degrees C 1.3 mol of N2 and 1.65 mol of H2 are added at equilibrium 0.100 mol NH3 is present calculate the equilibrium concentrations of N2 and H2 2NH3(g)N2(g)+3H2(g)
asked by kim 
chemistry
For the following chemical reaction, how many moles of silver iodide (AgI) will be produced from 4 mol of calcium iodide (CaI2)?
asked by chelsea 
math
Find the slope in the graph with the coordinates 3x,3 and 1,5 A.2 B.1/2 C.2 D.1/2 Is the answer A??? Thanks in advance.
asked by pink 
Physics
Someone here pls help me find the best animation of electrons and protons. Post here the link of the video, thank you.
asked by YESHA 
Physics
You are training for a marathon. While training, you lose energy by evaporation at a rate of 360. How much water mass do you lose while running for 3.0 h?
asked by Anonymous 
Physics
Determine the first three standing wave frequencies of a 25.0cmlong open pipe. Assume the speed of sound in air is 340 m/s. Do the same for a 25.0cmlong closed pipe.
asked by Anonymous 
physical education
For science fair project interview from an expert: 1. How much should my time improve in 30 days running a mile? 2. Will the type of shoe I wear affect my running time? 3. How will the weather affect my time? 4. Do different track surfaces affect my time?
asked by Mason 
PHYSICS
A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance
asked by MJW 
Physics  Vision and Optical Instruments
A camera with a 100 mm focal length lens is to be designed to focus on objects from 75 cm to 20 cm. How far must the lens move as the focus is adjusted from infinity to 75 cm? Thank you!
asked by Meli 
PHYSICS
A corvette ZR1 can brake to a stop from 60mph in 2.6 seconds. If the car has a weight of 3225 pounds, what force (in Newtons) acts on the car? a= (V^2  V^1)/t a= (088ft/sec)/2.6 sec a= 10.316 m/s^2 10.32N Is this correct?
asked by MJW