
calculus
A particle moves along a number line such that its position s at any time t, t(greaterthan or equal to), is given by s(t)=2t^315t^2+24t+1. A) Find the average velocity over the time interval [1,2]. B) Find the instantaneous velocity at t=2 C) When is the
asked by john on February 16, 2010 
Math, Algebra
I asked these questions yesterday and thanked whomever helping me before clicking the links. When the links were just google searches, however, they didn't help me seeing as I already did that. The google search calculator doesn't show all steps, and when
asked by Frustrated Further on April 4, 2017 
electromagnatic
a) Determine at 500kHz for a medium in which = 1, = 15, = 0. At what velocity will an electromagnetic wave travel in this medium? b) Find the propagation constant at 400MHz for a medium in which = 16, = 4.5 and = 0.6 S/m. Find the ratio of velocity to free
asked by fati on January 8, 2011 
math
In the beginning, there is 3000 fish in which for some causes every year 20% of d fish die and 1000 are added. So we need to use compound interest formula to find out the equation that we can just substitute d number of year and find out how many fish
asked by John N on September 15, 2011 
Advanced Math
A set of 750 values has a normal distribution with a mean of 12.5 and a standard deviation of 0.36. A. What percent of the data is between 12.25 and 12.75? ANSWER: 51.6% B. Find the interval about the mean within wich 45% of the data lie. ANSWER:
asked by Patrick on August 11, 2009 
Science...ANSWER ASAP
i've lost my task sheet and i can't find it online. but my other class mates have managed to find it. I cant get hold of them as it's bank holiday monday. my homework is due in first thing. my task sheet is called: 9G task sheet (L57) please help..it hass
asked by HS... on May 4, 2013 
Math
The cable supporting a ski lift rises 2 feet for each 5 feet of horizontal length. The top of the cable is fastened 1320 feet above the cable’s lowest point. Find the lengths b and c, and find the measure of the angle theta.
asked by Anonymous on January 9, 2014 
English
Can you please check these statements, please? Thank you. 1) Britain was unprepared for the use of the terrible destructive modern artillery, machine guns and tanks, and the use of gas and shells durin the attacks. 2) Shell shock was the term used by
asked by Henry2 on July 4, 2011 
Physics 1
Two railroad cars, each of mass 2.2 104 kg, are connected by a cable to each other, and the car in front is connected by a cable to the engine as shown in the figure below. The cars start from rest and accelerate to a speed of 1.7 m/s after 1 min. a)Find
asked by John on October 8, 2012 
RepostPhysics 1
Two railroad cars, each of mass 2.2 104 kg, are connected by a cable to each other, and the car in front is connected by a cable to the engine as shown in the figure below. The cars start from rest and accelerate to a speed of 1.7 m/s after 1 min. a)Find
asked by John on October 9, 2012 
Psychology
Select one theory of personality and use this theory to tell Michael how this theory explains his or her situation. Here is the case study: Michael is a 40yearold airline pilot who has recently begun to experience chest pains. The chest pains began when
asked by Lost and Confused on January 21, 2009 
math
Use implicit differentiation to find the equation of the tangent line to the curve xy3+xy=14 at the point (7,1) . The equation of this tangent line can be written in the form y=mx+b i don't seem to no how to find m or b
asked by sam on May 9, 2008 
Legal
Also, can you tell me where to find information on General Appearance. This is my question I need to find the information on. If a party makes a general appearance in court before filing a plea, she is, in effect, _____ Thank you again!
asked by Justie on April 11, 2008 
MATH C30
How to find the amplitude, period, phase shift, vertical shift, and the equation of the primary function of the function: y = cot(1/3x  pi/6) how to find where the period begins and ends
asked by don on November 6, 2011 
geometry
Use the figure below to answer questions 810. Point B is the midpoint of Segment A C.. A line segment with three points on it. From left to right, the points are labeled A, B, and C. 8. a. Find x if AB = 4x and BC = 2x + 10. b. Use the answer for x to
asked by Abbi on December 17, 2011 
Algebra
Find the following function f(x)=(x+3)^2(x1)^2 (a)Find the x and y intercept of the polynomial function f. (b) Determine whether the graph of the f crosses or touches the xaxis at each x intercept. (c) Put all the information to obtain the graph of f.
asked by Jenn on March 24, 2013 
Chemistry
what is the pH of Sulphuric acid? It depends upon the molarity. pH = log(H+) log = ? pH = log(H^+) find (H^+), punch that into your calculator, change the sign to minus, then find the "log" key and punch that. That will be the pH.
asked by Gemma on March 12, 2007 
math
Here is the question I have to answer. Find the area of the specified figure. Show how you can use the formula for area to find the answer. I know you can't see the graph but can you direct me in the right direction of solving these. I don't know if there
asked by ed on April 4, 2010 
math
A stereo is bought for $1500 and sold 4 years later for $800. a) Find the depreciation equation. b) Assuming the depreciation is linear, find the value of the stereo after the first five years of ownership.
asked by Kenny on August 3, 2016 
maths
find the xintercept of the graph of the equation: 1. 4x5y=8 2. 3y10x=4 answers that I got: 1. x=2 2. 2/5 ___________________________________ find the yintercept of the graph of the equation: 3. 712x=3y 4. 4y+9=5x my answer: 3. 2 1/3 4. 2 1/4 can you
asked by regina on October 3, 2009 
Math
Find the probability using combinations.A bag contains 6 cherry, 3 orange and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability that you have all cherry candies.
asked by Travis on February 20, 2016 
English
I need to find John Venn's peers that were studying the same stuff as he was during the same time or any peers that helped John Venn. I reaserched and could only find George Boole but I knbow that there has to be more. Please help?
asked by Maya on April 6, 2016 
calc
f(x)=6(sin(x))^x, find f'(1). and f(x)=3x^ln(x), find f'(9). i tried these so many times and it keeps telling me that my answers are wrong :/ for the first one i did f'(1) = 6sin(1) * {ln[sin(1)] + cot(1)}., is that correct, when i put it in my calculator
asked by yoo on February 18, 2011 
geometry
two angles, a and b are complementary if the sum of their measure is 90 degrees. If angle a is 21 degrees more than twice angle b find the measures of angles a and b. I would like to know how to set this equation up in order to find the answer.
asked by Chrissy on September 21, 2013 
Physics
(a) Find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to six times the earth's radius of 6.38 x 10^6 m. (b) Find the satellite's orbital period.
asked by Anonymous on March 10, 2011 
math
1)In the figure, the vertices of rightangled isosceles triangle ABC are A, B(2,0) and C(8,0) respectively. find the equations of AB and AC 2)If the xintercept and yintercept of the straight line L: B(y2) =Ax+8 are 8 and 3 respectively, find a)the
asked by Help on May 11, 2010 
geometry
Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?
asked by Sofia on October 27, 2012 
Statistics
"Buy a Match 6 lottery ticket every day until you win the lottery. (In a Match 6 lottery, a player chooses 6 different numbers from the set {1, 2, 3, ..., 44}. A lottery representative draws 6 different numbers from this set. To win, the player must match
asked by Emily on January 13, 2011 
6 grade math
Find the area of the figure at right in at least two different ways. Explain how you get your answer with diagrams and remember to label them with the correct units. So the image is a 10cm by 15cm and smaller box attach to the side. Like an London shape .
asked by Angel on October 11, 2016 
Quantum Physics
1. Calculate the transition ratio between the 2P1S and 3P2S states of the hydrogen. 2. Find the first order correction in the energy for the states n = 3 of the hydrogen atom subject to a constant electric field in the z direction (effect Stark). What
asked by Carol on May 16, 2018 
Calculus
The question is find the area of the reagion that is bounded by the curve y=arctan x, x=0, x=1, and the xaxis. So I've drawn the enclosed region. To find the area would I use the Disc/shell method? If so the formula that I came up with looks like this: If
asked by Isaac on July 12, 2013 
probability
1) Let X and Y be independent continuous random variables that are uniformly distributed on (0,1) . Let H=(X+2)Y . Find the probability P(lnH≥z) where z is a given number that satisfies e^z
asked by anonymous1 on August 5, 2019 
Quantum Physics
1. Calculate the transition ratio between the 2P1S and 3P2S states of the hydrogen. 2. Find the first order correction in the energy for the states n = 3 of the hydrogen atom subject to a constant electric field in the z direction (effect Stark). What
asked by Carol on May 15, 2018 
Calculus
y = f(x) = x^2  6 x (a) Find the average rate of change of y with respect to x in the following intervals. from x = 2 to x = 3 from x = 2 to x = 2.5 from x = 2 to x = 2.1 (b) Find the (instantaneous) rate of change of y at x = 2.
asked by Anonymous on June 6, 2013 
calculus
given the circle having the equation x^2+y^2=9, find the shortest distance from the point (4,5). find the longest distance from the point (4,5).
asked by fate on October 2, 2011 
Algebra
Find the coordinates of two points on the line with the given equation. Then use the points for find the slope of the line. 1) y= 17 2) 7x3y= 147 Thank you so much for your help.
asked by Mia,Thank you on February 12, 2013 
math
9^x  4 X 3^x = 45. Find x In words: 9 raised to the power x minus 4 multiplied by 3 raised to the power x is equal to 45. Find x.
asked by Khalid on June 21, 2011 
calculus
a.Find the slope of the tangent line to the curve y=92x^2 at the point (2,1) b.Find an equation of this tangent line.
asked by josh on January 13, 2014 
Algebra Grade 7
parallelograms small parallelogram 22 cm ?? (find this number) big parallelogram 16 cm 32 cm What is the missing number and how can I find it?
asked by randomchik on October 9, 2012 
maths
1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?
asked by MTH on March 23, 2008 
Math can someone help
find each union or intersection let A={1, 2, 3,} B={xxis and even whole number less than 9} C={2, 5, 7, 10,} and D={xxis an odd whole number less than 10} I have to find A an upside down U C Can someone help
asked by Madison/Kayla on November 17, 2017 
precalculus
Find two rational numbers such that the difference is 3 times the first and twice the second is 34.7 and whose product is a minimum. Also, find the minimum product.
asked by Anonymous on September 17, 2012 
calculus
let xf(p)=10(16p) be a demand function find the domain of this function and find where demand is elastic, inelastic, and unit.
asked by Brian on April 8, 2011 
calculus
i am on "rolles and the mean value theorem" and was just wondering, when i am doing rolles, do i really need to find the exact value of x where f'(c) = 0? for example: f(x) = (x+4)^2 (x3) on [4,3] i get to: 3x^2+10x8=7 then i don't know if i then need
asked by eric on January 28, 2014 
math...up for a challenge?
given that (x+2)s a factor of 2x^3+ 6x^2 + bx  5 find the remainder when the expression is divided by (2x  1) Well let's factor it then to get (x+2)(2x^2 + 2x  5/2) I'll let you figure out b and then do the division to find the remainder.
asked by Kim on September 27, 2006 
science/chemistry
thank you! What is the molar concentration of hydroxide ions in a solution with a pH of 6? Find the concentration of H ions first.. [H+]= antilog ph Then, find [OH] [OH]= 1*10^14/[H+]
asked by Devon on June 5, 2007 
statistics
How do I find the probability of an event A occurring or an event B occurring but not both? How do find this equation with a Venn diagram?
asked by cat on June 30, 2015 
English
6a. I lay my book on the table, but now I cannot find it. 6b. I laid my book on the table, but now I cannot find it. I chose B. could you please explain?
asked by Phil on April 28, 2008 
Math
Find the velocity and position vectors of a particle that has the given acceleration and the given initial velocity and position. a(t)= 3i + 2j, v(0)= k, r(0)=i find r(t).
asked by Michael Moskvich on April 27, 2010 
com215
need to know what this assingment means; find an ethnic group to you personally and write about it. Does he want us to find our ethnic group or what?
asked by nicole on September 13, 2007 
Algebra 2
Use the values of a_1( 1 is below the a) and s_n (n is below also) to find the value of a_23. A_1=10, s_23=2760, find the value of a_23 Please help, I really need help. Thanks.
asked by Jacob on May 24, 2017 
MATH HELP ASAP
For questions 1–4, find the slope of the following graphs. 1. a. 1/2 b. 2 c. 2 d. 1/2 2. a. 3/2 b. 1 c. 1 d. 3/2 3. a. 2/3 b. 3/2 c. 3 d. 2/3 4. a. 0 b. 1 c. 1 d. undefined For questions 5 and 6, find the slope of the line that goes through the
asked by Anon on May 4, 2016 
maths
A number on being divided by 10 and 11 successively leaves the remainders 5 and 7. Find the number. ie, x/10 = remainder 5 and x/11 = remainder 7. please help me to find the value of x.
asked by kumar on August 22, 2016 
Math
the cube side lengths are 90 cm, to find volume Do l x w x h create an expression to find the volume of the cube!
asked by Lolol on May 9, 2016 
math
Markup = $70; Rate of markup based on cost = 78% a. Find the cost. b. Find the selling price.
asked by Anonymous on December 11, 2013 
Chemistry
I have to list all of the ions of zinc, the thing is, the only ion I could find was Zn^2+. I've googled "ions of zinc" but this was the only one I could find. Are there any others? Thanks.
asked by Ericka on April 22, 2009 
Calc/Physics
Find the following questions at the depth of 25\text{m}. The gravitational acceleration is g = 9.8\text{m/s}^2 and the density of water is \rho = 1000\text{kg/m}^3. a. Find the hydrostatic force on a square steel plate with sides 2\text{m} placed
asked by Paul on March 14, 2016 
Find force
Find force in the strut: Wall is 20 ft high. Strut begins 4 ft lower, so the "altitude" of strut is 16 ft. "Base" of strut from wall to end of strut = 8 ft. strut is 12 ft on center There is a wind force against wall = 20 lb/ft ^2 Teacher said find wind
asked by Please Need Help on April 2, 2014 
College Algebra
A calculator company produces a scientific calculator and a graphing calculator. Longterm projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than
asked by Anonymous please help :) on March 3, 2013 
College Algebra
A calculator company produces a scientific calculator and a graphing calculator. Longterm projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than
asked by Anonymous PLEASE HELP! on March 4, 2013 
College Algebra
A calculator company produces a scientific calculator and a graphing calculator. Longterm projections indicate an expected demand of at least 100 scientific and 80 graphing calculators each day. Because of limitations on production capacity, no more than
asked by Anonymous PLEASE HELP! on March 4, 2013 
right hand rule
i hope this makes sense. Say that i have x and y axis. then i have an arrow coming out similiar to how you would draw a resultant arrow in physics. the arrow represents Force=140N Then say that you have to find the moment about O and the origin is O. So
asked by jen on October 28, 2008 
Finance
Following are selected financial data in thousands of dollars for the Hunter Corporation. 2012 2011 Current assets $ 500 $400 Fixed assets, net 700 600 Total assets 1,200 1,000 Current liabilities 300 200 Longterm debt 200 200 Common equity 700 600 Total
asked by Joanne on November 10, 2013 
phys
An electron of kinetic energy 50 keV moves in a circular orbit perpendicular to a magnetic field of 0.405 T. Find the radius of the orbit. I tried using KE=mv^2/2 to find velocity. then using qBv=(mv^2)/r to solve for r. but my answer was wrong. I am
asked by sara on October 14, 2014 
English LA 9TH
15. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was (1 point) a rupture in the Burma plate. an unintended explosion in Japan. a tornado off the coast of Sumatra. mass animal migrations to the North. 16. In “The
asked by XenaGonzalez on October 26, 2015 
Calculus
A rectangular piece of tin has an area of 1334 square inches. A square tab of 3 inches is cut from each corner, and the ends and sides are turned up to make an open box. If the volume of the box is 2760 cubic inches, what were the original dimensions of
asked by James on June 13, 2016 
Math
(1 & 2) The first three points do not fall on a straight line, and there is no value of k that will make that happen. (4) To find the quadratic y = a x^2 + bx + c that passes through the first three points, solve simultaneously 1 = c 3 = 4a + 2b + c 6 = 16
asked by drwls on December 25, 2006 
Statistics and Probability
We have k coins. The probability of Heads is the same for each coin and is the realized value q of a random variable Q that is uniformly distributed on [0,1]. We assume that conditioned on Q=q, all coin tosses are independent. Let Ti be the number of
asked by Anonymous on November 5, 2018 
Math
Help Please: Please Help 1.Essay:Show all work,Find the Product. (x^22)(x^34x+9) 2.Find the product:(2x4y)(2x+4y) 4.Find the product:(8x3y)^2 a.64x^2+9y^2 b.64x^29y^2 c.64x^248xy+9y^2 d.64x^248xy9y^2 (b)
asked by Ms.Ellis on July 21, 2011 
Physics 1 Collision Math
Mass A, 2.0kg , is moving with an initial velocity of 7 m/s in the +xdirection, and it collides with mass B,4.0kg , initially moving in the +xdirection. After the collision, the two objects stick together and move as one. What is the change in kinetic
asked by Anonymous on August 31, 2017 
math
in a big right triangle with a small right triangle inside of it. C is the length of the whole thing., R is the adjacent of the small tri. H is the oopisite of the small tri. B is the adjacent of the big tri. as well as the hypotenuse of the small tri. S
asked by anonymous on March 21, 2011 
English(PLEASE CHECK)
Why does Curley's wife pose a threat to Lennie and George? My Answer She flirts w/ other men + Lennie is interested; Curley might find out; Curley will find any reason to fight w/ Lennie.
asked by Anonymous on August 22, 2007 
chemistry
How many milliliters of a 4.5 M HCl solution would be needed to react completely with 5.8 g of aluminum? I know the answer is somewhere around 143 mL HCl, but I CANNOT figure out how to find that answer. I have done a conversion from g of Al to mL of HCl
asked by Reeseamelia on May 5, 2015 
Maths
find the points of intersection of (a) the tangents to the graph of y=2+2xx^2 at the points where the graph meets the xaxis. (b) the normals to the graph at these points. (c) find the area of the triangle created from the two intersections and the point
asked by John B on December 15, 2016 
math
I HAVE THESE ANSWERS FOR THE PROBLEMS. COULD YOU DOUBLE CHECK PLEASE, THIS IS A PRACTICE QUIZ WHICH ISN'T A GRADE IT JUST HELPS ME GET READY FOR THE TEST. 1) a 2) b 3) d 4) a 5) d 1. Solve x^3 + 6x^2 + 13x + 10 = 0. a) –2 + 2i, –2 –2i, –2 b) 2 + i,
asked by cal on October 7, 2008 
algebra
find the slant asymptote of the graph of the rational function and use the slant asymptote to graph. f(x)=x^2+x2/x7 find slant asymptote of graph of f use slant asymptote to graph rational function find x and y intercepts find vertical and horizontal
asked by anniston on September 5, 2012 
lit
For my existentialism project(I have to create a work of art that reflects the absurdity of our meaningless universe, or our reaction to it (pick from the six existentialism themes), I drew the three people fighting, trying to go through a doorway (there
asked by tim on January 21, 2008 
CHEMISTRY
how to calculate the weight of solute req'd to prepare 1 liter of 1 normal of: a.) LiOH b.) phosphoric acid my work: formula= gew/L or w/ewxL i get their mw then divide it to their H/OH so i can get EW then multiply it to 1. a.) 24 g/mol/1 b.) 98g/mol/3 i
asked by Selle on October 12, 2014 
probability
As in the previous exercise, let È be the bias of a coin, i.e., the probability of Heads at each toss. We assume that È is uniformly distributed on [0,1]. Let K be the number of Heads in 9 independent tosses. We have seen that the LMS estimate of K is
asked by alec on April 14, 2015 
Physics PLEASE HELP
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. Repeat the problem for the case where the coefficient of kinetic
asked by Phil on October 3, 2012 
Physics Elena please help!
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. Repeat the problem for the case where the coefficient of kinetic
asked by Anonymous on October 3, 2012 
physic
Hi!Question:Two packing crates of masses m1 = 10.0 kg and m2 = 6.50 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 6.50 kg crate lies on a smooth incline of angle 45.0°. Find the acceleration of the
asked by Chan on October 9, 2009 
College Algebra
How to get the answer to a formula if I=ã2P/L relates the coefficient of selfinduction, L (in henry's), the energy P stored in an electronic circuit (in joules), and the current I (in amps). Find I if P=120 and L=70. The example I have to go by does
asked by Trying to make it in life on March 18, 2014 
physics
A 90g arrow is shot straight up into the air with a spped of 23 m/s. It reaches a maximum height of 25.9898m. Find the initial kinetic energy. the acceleration of gravity is 9.8 m/s2. Answer in units of J. Find the potential energy at its highest position.
asked by Deb on October 21, 2010 
English
Can anyone tell me where I can find an example of verbal irony in 'Don Quixote' chapter 8. I've reread the passage several times and just can not pinpoint it. The closest example I can find to irony in that passage is "with it I propose to do such
asked by Eri on July 19, 2014 
Physics PLEASE HELP
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. Repeat the problem for the case where the coefficient of kinetic
asked by Phil on October 3, 2012 
Analytic Geometry
Please help. I've been trying to solve these for more than an hour now but I can't seem to get it. 1) The segment joining (4,7), (5,2) is divided into two segments, one of which is 5 times as long as the other. Find the point of division. 2) The segment
asked by Amber on November 14, 2012 
Calculus II
Here's the problem: Find the area of a plane region bounded by y=x^3 and its tangent line through (1,1). So far I have the graph on my graphing calc, so I have an idea at what I'm looking at. I found the tangent line to y=x^3 to be y=3x2. Now I am stuck.
asked by Ace on May 29, 2007 
biology
Please help me answer these questions: 1. Advantage and disadvantage of cell division on the economy of animal? 2. In what part of plant is most likely to find mitosis? 3. Where to look to find mitosis in animal? 4. During what stage of the cell are the
asked by klar maesen on July 8, 2007 
PreCalculus
Approximate the greatest real zero of the function g(x)= x^33x+1 to the nearest tenth. I know that there is a zero between 2 and 1, and another between 0 and 1 but do not know how to find it to the nearest tenth. The only example shown in my book uses a
asked by Lucy on August 31, 2008 
algerbra
The participants in a weightloss class lost the following weights (in pounds) after three weeks of dieting: 1,5,2,1,3,6 Assuming that these weights constitute an entire population, find the standard deviation of the population. Round your answer to at
asked by paul on August 27, 2014 
math
Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = I honestly have no idea how to approach these problems. I wrote out the different equations: 75.94 = Q0a^7 and 91.89 = Q0a^9 but
asked by Stella on August 30, 2015 
HELP!!!!EMERGENCY WITH THE POEM!!!
do anyone knows a poem named "Instruction for Joining a New Society", which about the desire to become an American? I need this poem immediately!!! Thank you for using the Jiskha Homework Help Forum. If that is the title, I find nothing! If you have either
asked by Katrina on September 14, 2006 
physic
please help me.A 5.00 g object moving to the right at +20.0 cm/s makes an elastic headon collision with a 10.0 g object that is initially at rest. (a) Find the velocity of each object after the collision. 5.00 g object 10.0 g objectt (b) Find the
asked by Chan on October 28, 2009 
math
a shopkeeper sold a certain number of toys.the number of toys as well asthe price of each toy in rs was a two digit number.By mistake, he reversed the digits of both the number of toys he sold and price of each toy. as a result , he found that his stock
asked by neha sinha on September 23, 2018 
Please check my Calculus
1. Find all critical values for f(x)=(9x^2)^⅗ A. 0 B. 3 C. 3,3 D. 3, 0, 3 E. none of these I got D. I found the derivative and solved for critical numbers. 2. Find all intervals on which the graph of f(x)=(x1)/(x+3) is concave upward A. (negative
asked by Anonymous on January 12, 2015 
Math Prob Stat
The amount of time a student spends completing homework per week their senior year is normally distributed with a mean of 5 hours and a standard deviation of 1.4 A. Find the probability a randomly selected student spends less than 3 hours completing
asked by Kate on June 1, 2016 
physics HELP!
A 4.0 g coin sliding to the right at 26.0 cm/s makes an elastic headon collision with a 12.0 g coin that is initially at rest. After the collision, the 4.0 g coin moves to the left at 13 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find
asked by Najah on December 12, 2013 
Physics
A soccer ball is kicked with an initial speed of 27 m/s at an angle of 20° with respect to the horizontal. A) find the maximum height reached by the ball. B) find the speed of the ball when it is at the highest point on its trajectory. C) where does the
asked by Sierra on June 20, 2012 
Physics
A soccer ball is kicked with an initial speed of 23 m/s at an angle of 20° with respect to the horizontal.(a) Find the maximum height reached by the ball. (b) Find the speed of the ball when it is at the highest point on its trajectory. (c) Where does the
asked by Anne on October 20, 2012
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