
English
(08VerE2731) Identify the one word or phrase that should be corrected. 1.Library visitors often find(A) that there are too few(B) staff members avialable to assist them,especially as(C) funding for libraries have been(D) cut back. 2.The children(A) had
asked by Bayarbold on June 23, 2011 
Reply to grant about a regression problem
This is a reply to the question posted here http://www.jiskha.com/display.cgi?id=1178989522 As I explained there, you can find the parameters by defining: x1 = Sin(0.49 t) x2 = Cos(0.49 t) and treat this as an ordinary linear regression problem. If we
asked by Count Iblis on May 13, 2007 
HELP ME PLEASE ON SS!
Metropolitan Atlanta's rapid growth has proven to be a major strain on the area's A) food supply. B) water supply. C) farming land. D) telephone network. As President, Franklin Roosevelt made many trips to Georgia for treatment for polio. Which city was
asked by korey on May 18, 2016 
statistics
A politician claims that she will receive 65% of the vote in an upcoming election. The results of a properly designed random sample of 100 voters showed that 49 of those sampled will vote for her. Is it likely that her assertion is correct at the 0.05
asked by confused on June 11, 2014 
Physics
Problem 2 A 15 kg block is attached to a very light horizontal spring of force constant 400 N/m and is resting on a smooth horizontal table as shown in the figure below. Suddenly it is struck by a 3 kg stone traveling horizontally at 8 m/s to the right,
asked by Mariam on January 12, 2014 
Physics C: Mechanics
A 1.00 kg mass is attached to a string wrapped around a cylinder of radius 0.05m. Two masses are connected with a rod and attached to the end of the cylinder, perpendicular to its axis. as the mass falls from rest the rotating contraption spins through 12
asked by Riya on November 13, 2016 
Physics
I solved 1 out of 2 correctly: A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the
asked by . on September 19, 2010 
Calculus
Find the area under one arch of a cycloid describe by the parametric equations x=3(2Theta  sin 2Theta) and y= 3(1cos2Theta). Use 0 and pi for the limiting values of Theta. A. 9Pi B. 18Pi C. 27Pi D. 36Pi Find the area in the first quadrant bounded by the
asked by Anonymous on August 7, 2012 
Physics
A vessel at rest explodes breaking into three pieces. Two pieces, having equal mass fly off perpendicular to one another with the same speed of 30 m/s. The third piece had three times the mass of each other piece. What are the magnitude and direction of
asked by sarah on February 10, 2007 
algebra 101
If The sum of the measures of two complementary angles is 90° and If one angle measures 15° more than twice the measure of its complement, find the measure of each angle. What is The measure of one angle is 1 times the measure of the other. Find the
asked by misty on January 8, 2012 
college algebra
use rational zeros theorem to find all the real zeros in the polynomial function. use zeros to factor f over real numbers. f(x)=x^3+10x^213x22 find real zeros of f? use real zeros to factor f?
asked by Bella on August 24, 2012 
Physical Education 110
1. One of your friends plays video games for at least six hours each day and gets upset when he has to go eat dinner with his family. This is a sign of an anxiety disorder.•• a phobia. bipolar disorder. an impulsecontrol disorder. 2. A phobia is an
asked by Alex on December 3, 2015 
Physics
An archer fires an arrow, which produces a muffled "thwok" sound after it hits a target. The archer hears the "thwok" exactly 2.6 s after firing the arrow and the average speed of the arrow is 36 m/s. Find the distance separating the archer and the
asked by Adam on September 5, 2017 
Math
Use linear approximation, i.e. the tangent line, to approximate cube root of 27.05 as follows. Let f(x) = cube root of x and find the equation of the tangent line to f(x) at x = 27 in the form y = mx+b. Note: The values of m and b are rational numbers
asked by Maxime on December 19, 2014 
Calculus
The motion of a spring that is subject to dampening (such as a car's shock absorber)is often modeled by the product of an exponential function and a sine or cosine function. Suppose the equation of motion for a point on such a spring is
asked by Robin on June 18, 2013 
physics
A 17 kg block is dragged over a rough, hor izontal surface by a constant force of 170 N acting at an angle of angle 32.1◦ above the horizontal. The block is displaced 33.9 m, and the coefficient of kinetic friction is 0.199. a] find the work done by
asked by mary on November 14, 2010 
Algebra
Another question: A cell phone company charges $60 for a cell phone and $40 per month under its economy plan. Formulate and graph a model that can be used to determine the total cost, C(t), of operating a cell phone for t months. Find the total cost for 5
asked by Celina on December 16, 2008 
English
I am in the 7th grade and I love books that are fiction. Here are some books that I LOVE!! Kira Kira So B. It Olive's Ocean Becoming Naomi Leon Corner of the Universe Green Glass Sea Edward's eyes The problem is I need a new book to do a book report on and
asked by Taylor on March 23, 2008 
Physics
An airplane has an airspeed of 770 kilometers per hour at a bearing of N 48 degrees E. If the wind velocity is 28 kilometers per hour from the west, find the angle representing the bearing for the ground speed? I found Rx and Ry which are 543.23 and 572.22
asked by Neha on September 3, 2014 
physics
a) Find the maximum rate of deceleration of a car on a dry, level road, assuming the coefficient of static friction between tires and pavement equals 1.4. (b) Find the minimum stopping distance if the car has an initial speed of 27.5 m/s. (c) Repeat parts
asked by Anonymous on February 8, 2011 
PreCalc with Analytic Geometry
Function : y=cot(2x+pi) 1)determine the interval for the principal cycle. (Type this answer in interval notation) 2)Then for the principal cycle, determine the equations of the vertical asymptotes. 3)find the coordinates of the center point. 4)
asked by Nancy on August 4, 2016 
Physics
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 degrees, and the man pulls upward with a force of magnitude 377N whose direction makes an angle of 30.0 degrees with the ramp.Find the horizontal component
asked by Tee on September 21, 2008 
Mathematics
A Ladder AB, of length 13m, rests against a vertical wall with its foot on a horizontal floor at a distance of 5meters from the wall. When the top of the ladder slips down a distance x meters on the wall, the foot of the ladder moves out x meters. Find x.
asked by Nazharia on March 5, 2008 
Physic
A bowling ball weighing 71.2 N is attached to the ceiling by a 3.60 m rope. The ball is pulled to one side and released; it then swings back and forth like a pendulum. As the rope swings through its lowest point, the speed of the bowling ball is measured
asked by Andrea on July 10, 2010 
cjs210
Will someone please help me find a website to find the answer to these questions? • Throughout policing history, what has been the role of women and minorities? How has the role of women and minorities changed over time? How has this role change affected
asked by Picaboo on June 15, 2012 
Algebra, 0110 HELP!
Including 5% sales tax, an inn charges $210.00 per night. Find the nightly cost at the inn before tax is added. (a) Write an equation to model the problem. Let x represent the nightly cost before tax. (b) Solve the equation to find nightly cost before tax.
asked by Derek on September 7, 2013 
Physics
A wheel free to rotate about its axis that is not frictionless is initially at rest. A constant external torque of +49 N·m is applied to the wheel for 16 s, giving the wheel an angular velocity of +685 rev/min. The external torque is then removed, and the
asked by MUHAMMAD JUNAID on April 9, 2019 
college physics
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.355 and he exerts a
asked by ann on November 21, 2011 
chemistry
Gaseous CO2 decomposes to form the gaes CO and O2. At 20.0 degrees Celsius, =2.0*10^8. 2.0 mol carbon dioxide is placed in a 5.0 L flask. What are the equilibrium concentrations of each species. My attempt to get the answer: Balanced equation: 2CO2>
asked by Anonymous on March 1, 2009 
AP Chemistry
So I have the reaction 2HBr(g) H2(g)+Br2(g) I'm supposed to find the equilibrium constant, K, using free energy (G) values. The values in my textbook for G of H2 and Br2 were zero, and the value for HBr(g) was 53.5. So, to find delta G I did products 
asked by Casey on April 8, 2013 
math
A is the point (1,1), B is (4,5) and C is (5,3). Find a)the angle between AB and a line parallel to the y axis. b)the angle between BC and a line parallel to the y axis. c)Hence, find ABC (angle B). I have drawn the points. Please help!!!
asked by Anonymous on April 2, 2008 
Math question and answer check
Consider the probability function. (Give your answers exactly.) P(x) = 5 − x 10 , for x = 1, 2, 3, 4 (a) Find the mean. Incorrect: Your answer is incorrect. (my answer was 1). (b) Find the standard deviation. (my answer was 1 also on this one. Please
asked by Gayle 52 on June 6, 2013 
Chemistry
Thank you Dr Russ for you answer. Anyone who can answer: I have the moles of excess reagent, but now I need to find the concentration of excess reagent. I know concentration is mol/L, but how do I find the volume of my excess?
asked by Stuck on February 3, 2010 
math
area of trapezium is 267square mt.parallel sides are 6m and 30m non parallel sides is 2m less then other find the length of non parallel sides.find the length of non parallel side
asked by ravi on April 9, 2016 
Trig Help!
Question: Trying to find cos π/12, if cos π/6 = square root 3 over 2, how to find cos π/12 using DOUBLE angle formula? This is what I got so far.. cos 2(π/6) = cos (π/6 + π/6) = (cos π/6)(cos π/6)  (sin π/6)(sin π/6) = cos^2 π/6  sin^2 π/6 Is
asked by Anonymous on April 27, 2012 
calculus
2. Let R be the region of the first quadrant bounded by the xaxis and the cuve y=2XX^2 a. Find the volume produced when R is revolved around the xaxis b. Find the volume produced when R is revolved around the yaxis
asked by Taeyeon on March 9, 2012 
Statistics
A list of numbers has an average of 48 and an SD of 12. The list is transformed by subtracting 3 from each entry and then dividing the result by 5. (1) Find the average of the transformed list. (2) Find the SD of the transformed list.
asked by Daniel on March 7, 2013 
statistics
b. A mobile company XYZ wants to conduct a survey to find the proportion P of those customers that are happy with the purchase of their new mobile phone. The company took a random sample of 1000 customers who recently purchased the new mobile phone. They
asked by aima on November 18, 2014 
statics
b. A mobile company XYZ wants to conduct a survey to find the proportion P of those customers that are happy with the purchase of their new mobile phone. The company took a random sample of 1000 customers who recently purchased the new mobile phone. They
asked by aima on November 19, 2014 
physics
A 59.0Ω resistor is connected in parallel with a 116.0Ω resistor. This parallel group is connected in series with a 15.0Ω resistor. The total combination is connected across a 15.0V battery. (a) Find the current in the 116.0Ω resistor. ______A (b)
asked by ashley on February 1, 2011 
physics
A 59.0Ω resistor is connected in parallel with a 116.0Ω resistor. This parallel group is connected in series with a 15.0Ω resistor. The total combination is connected across a 15.0V battery. (a) Find the current in the 116.0Ω resistor. _______ A
asked by ali1 on January 26, 2011 
Consumer Math
Find the annual amount of FICA at a 7.51% rate by computing his annual salary. Sam Takagi Weekly salary: $435.16 Not selfemployed Find the annual amount of FICA by computing his annual salary. $169,938.68 $16,993.87 $1,699.39 2. Find the annual amount of
asked by Emily on April 27, 2012 
Finite Mathematics
Two dice are rolled. Let the random variable X denote the number that falls uppermost on the first die and let Y denote the number that falls uppermost on the second die. (a) Find the probability distributions of X and Y. (b) Find the probability
asked by Price on April 18, 2012 
physics
a projectile shot at an angle of 60 degrees above the horizontal strikes a building 80 ft away at a point 48 ft above the point of projection (a) find the velocity of projection. (b) find the magnitude and direction of the velocity of the projectile when
asked by rhea on November 24, 2012 
calculus
For the function f(x)=x^3e^x, determine intervals of increase and decrease and the absolute minimum value of f(x) To do this I found the derivative which is f'(x)=3x^2e^x. Then I set it to zero: f'(x)=0 0=3x^2e^x How would I isolate x? And when I do, I
asked by Sara on April 29, 2015 
Commercial low
Michael Van Gough an attorney experienced in real estate transactions and his wife Kimberly were interested in buying certain property being sold by Carol Martin for her former husband Johnny Martin. When Van Gough asked Carol Martin if there had been any
asked by Mohamed on September 15, 2017 
Math
The heights of three plants A,B and C in a garden are in the ratio 2 : 3 :5. their mean height is 30cm a) find the height of plant b b) if another plant D is added to the garden and the mean height of the four plant is now 33cm , find the height of D plant
asked by Steph on July 4, 2016 
Art
What does this mean? I am suppose to find a piece of art that represents a humancentered view. but I don't know what human centered view means? can someone help me please so I can find a piece of art
asked by TJ on February 29, 2008 
algebra
Can you use algebra to find a quadratic equation if your know the coordinates of just ONE point on its graph? Can you use algebra to find a quadratic equation if your know the coordinates of just TWO points on its graph? If so, what information is needed?
asked by Sejul on October 6, 2011 
math
A circle of radius 3 is centered at the origin and passes through the point (2,−5‾‾√). (a) Find an equation for the line through the origin and the point (2,−5‾‾√). y= (b) Find an equation for the tangent line to the circle at
asked by jp on January 27, 2015 
English
could you review this for me and provide feedback. I have an assignment that states I need to write my thesis statement then write paragraphs that support this. This is only a draft and I would welcome any comments. Thesis Statement: Even though having a
asked by Student 155 on July 6, 2011 
Art...10 questions?
1. How has the artist used value in this painting?(Adoration of the Shepherds by Nicolaes Maes) A. The background is lighter than the foreground to draw the viewer's eye. B. The artist did not use value in this painting. C. The subject is lighter than the
asked by Anonymous on November 28, 2015 
precalculus
two gears are connected by a belt. the large gear has a radius of 20cm while the small gear has a radius of 10cm. if a point on the small gear travels at 16 rpm (revolutions per minute), find the angular velocity of the large gear. Tip: first find the
asked by Mack on August 10, 2015 
algebra urgently need help
I have been working on these 2 problems and I think I am confusing myself. I have never tried this site before but it was recommended to me. I appreciate whoever can help me. Thanks in advance The first question is f(x)=2x^2 + 2x + 8 I need to find the x
asked by krystal on May 10, 2009 
PreAlgebra
2 more problems that I'm stuck on, please help 1.A square floor has an area of 32 m^2. Find the length of a side to the nearest tenth of a meter. 2.The height of a parallelogram is half the length of its base. the parallelogram has an area of 67 cm^2.
asked by mysterychicken on June 5, 2009 
Need help with pre cal hw
1. A party of hikers walks 8 km from camp on 30 degrees, then turns and walks 6 km on course 160 degrees. Find the magnitude of the net displacement from camp. 2. A ship leaves port A and sails 61.1 km course 131 degrees 50' to point B. Then it sails 76.5
asked by John on May 18, 2014 
algebra need help soon
I have been working on these 2 problems and I think I am confusing myself. I have never tried this site before but it was recommended to me. I appreciate whoever can help me. Thanks in advance The first question is f(x)=2x^2 + 2x + 8 I need to find the x
asked by ayanna on May 8, 2009 
math
Your optimal exercise heart rate for cardiovascular benefits is calculated as follows: Subtract your age from 220 and then find 80% of the difference. Find the optimal heart rate for a 40yearold and for a 10yearold. Rounded to the nearest whole number,
asked by taylor on May 4, 2014 
physics
A car with a mass of 980 kg and a speed of v1 = 17.0 m/s approaches an intersection, as shown in the figure(Figure 1) . A 1300 kg minivan traveling at v2 is heading for the same intersection. The car and minivan collide and stick together. The direction of
asked by ana on April 18, 2017 
yes or no question
hi i have to do a project where i have to find media bias between two articles for government. and i was wondering if it is okay if i could just post little pieces of those two articles and ask for help. when i read the two articles, it doesn't seem like
asked by david on January 25, 2007 
Algebra
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a function of time in seconds given by h(t) = −16t2 + 32t + 240. (a) Find the maximum height of the projectile. ______ ft (b) Find the
asked by Kim on November 3, 2014 
algebra
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a function of time in seconds given by h(t) = −16t^2 + 32t + 240. (a) Find the maximum height of the projectile. ______ ft (b) Find the
asked by Nate on November 4, 2014 
ISBM
CASE STUDY : 2 The price P per unit at which a company can sell all that it produces is given by the function P(x) = 300 — 4x. The cost function is c(x) = 500 + 28x where x is the number of units produced. Find x so that the profit is maximum. Question:
asked by Raja on January 11, 2016 
Physics
A golf ball is stuck at point o on the ground and moves with an initial velocity of 20ms1 at an angle of 53 degrees to the horizontal.The ball subsequently lands at a point x which is on the same horizontal levelas o. a) show that the time taken by the
asked by 0ooooooooo0 on September 28, 2017 
statistics
One of nature's patterns connects the percent of adult birds in a colony that return from the previous year and the number of new adults that join the colony. Following are data for 13 colonies of sparrowhawks: Percent return 73 61 79 54 75 62 53 46 57 50
asked by Les on January 11, 2015 
SAT Essay
Traditionally, the term "heroism" has been applied to those who have braved physically danger to defend a cause or to protect others. But one of the most feared dangers people face is that of disapproval by their family, peers, or community. Sometimes
asked by Sahil on September 30, 2008 
science
A ball of mass m is attached by two strings to a vertical rod. as shown above. The entire system rotates at constant angular velocity about the axis of the rod. a)Assuming is large enough to keep both strings taut, find the force each string exerts on the
asked by tammy on April 8, 2012 
religion, help
I've done the reading in textbooks and the web sites that were provided for me by the teacher and by tutors. The problem is I am not comprehending what makes up the hinduism relgion? can someone explain it to me please. I keep reading over and over and I
asked by kailin on January 7, 2007 
Physics  Tension
Two blocks are connected by a string and are pulled vertically upward by a force of 165 N applied to the upper block. (here is a rough diagram) ^ (F=165 N) I [block] (
asked by Wes on February 19, 2013 
government
I am doing research project. it is about political speeches. I should find about "benefit seekers". what is benefit seekers mean? and what kind of sentence should I find. give me some examples. thank you. You can find out more about the quotation below
asked by cc on December 1, 2006 
Chem
I did an experiment were I added some water and KHP into a beaker and phenophalene [sp?]. It was a titration lab. We slowly added calciuum hydroxide into the beaker and waited till the solution turned into a faint pink. The question is asking me to find
asked by Lena on July 22, 2009 
Physics Meteorite
A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls
asked by Andy on November 30, 2009 
physics
a tennis ball is dropped from 1.30 meters above the ground. it rebounds to a height of 1.00 meters. How do I find with what velocity does the ball hit the ground. With what velocity does it leave the ground, and if the tennis ball were in contact with the
asked by Scott on October 14, 2009 
Physics
A model rocket rises with constant acceleration to a height of 3.1 m, at which point its speed is 26.0 m/s. A.) How much time does it take for the rocket to reach this height? B.) What was the magnitude of the rocket's acceleration? C.) Find the height of
asked by Amanda on September 14, 2015 
pre calculus
You have a $50 coupon from the manufacturer good for the purchase of a cell phone. The store where you are purchasing your cell phone is offering a 20% discount on all cell phones. Let x represent the regular price of the cell phone. (a) Suppose only the
asked by Danielle on May 1, 2014 
Calculus
Determine whether the series is convergent or divergent. If it is convergent, find its sum. If it is divergent, enter NONE. sum from 1 to infinity of (5^n+4^n)/20^n It is convergent, but I do not know how to find the sum.
asked by Sandy on April 3, 2014 
Math Please Check My Answer
A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. Write the probability as a fraction in simplest form. a. Find the theoretical probability of selecting a pink rubber
asked by OceanBreeze on May 7, 2015 
Social Studies
I need some help with some questions from my civic's homework! It's about the Articles of Confederation 1. How are delegates selected for Congress? My answer: Delegates were selected for Congress by being appointed by the legislatures of each State. 2.
asked by Gay4Space on October 9, 2017 
Physics
A 9.5 kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 90 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest
asked by Ingrid on October 24, 2010 
Physics
A 9.5 kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 90 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest
asked by PLEASE HELP on October 24, 2010 
Physics
A 9.5 kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 90 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest
asked by Ashley on October 24, 2010 
Physics
A 9.5 kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 90 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest
asked by Adam on October 24, 2010 
Physics
A 9.5 kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 90 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest
asked by Ashley on October 24, 2010 
Calculus
A rectangular box with square base (which is NOT necessarily a cube) and NO top is to be made to contain 9 cubic feet. The material for the base costs $2 per square foot and the material for the sides $3 per square foot. Find the dimensions that minimize
asked by Marto on March 24, 2013 
Physics
A 107 kg clock initially at rest on a horizontal floor requires a 673 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 522 N keeps it moving with a constant velocity. (a) Find ìs between the clock and the floor.
asked by Elizabeth on November 7, 2010 
math
1. The cost C of joining FitFast Gym includes an initial membership fee of $127, plus a monthly fee m of $28. The cost of going to the gym is a function of the number of months of membership. Find the rule for the function. 2. Find the cost of using the
asked by please help ASAP on April 6, 2015 
health
PLEASE HELP 1. One of your friends plays video games for at least six hours each day and gets upset when he has to eat dinner with his family. This is a sign of? a. An anxiety disorder. b. A phobia c. Bipolar disorder d. An impulsecontrol disorder 2. A
asked by bob on November 17, 2015 
Calculus
A stone is thrown straight up 6 feet from the ground (it is released 18 feet above the ground). When it is released it is travelling at the rate of 100 feet per second. a) Find the velocity function. b) Find the position function. c) How high does the
asked by Lois on February 4, 2016 
math, financial math
Simple interest grew from the initial amount $1000 to $1075 in 9 months. Find the interest rate. Like always, I will explain my thinking: I know I have the find r (the interest rate). A=1075 P=1000 t=3/4 (9/12 becomes 3/4) The formula is A= P(1+rt) which
asked by lijm on September 12, 2019 
Physics/Math
A single force acts on a 5.0 kg particlelike object in such a way that the position of the object as a function of time is given by x = 3.0t  4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to
asked by Technoboi11 on March 1, 2007 
phy
A force of magnitude 7.50 N pushes three boxes with masses m_1 = 1.30 kg,m_2 = 3.20 kg, and m_3 = 4.90 kg .The mass is side by side. 1Find the magnitude of the contact force between boxes 1 and 2, and 2Find the magnitude of the contact force between
asked by susan on July 18, 2011 
PhysicsCurrent question
Two long straight parallel wires separated by 1.00mm carrying currents in opposite directions with current equaling 10.0A each. Find the magnitude and direction of the magnetic field at Point A which = 0.50mm, Point B = 0.50mm, and Point C=0.50mm and write
asked by MP on July 27, 2009 
increasing and decreasing intervals
Have to find the intervals on which f(x) = 4  sqrt(x+2) is increasing. Also the intervals on which the function is decreasing. TIA Find the derivative of f(x). When the derivative is positive, the function increases as x increases. When the derivative is
asked by Jen on November 5, 2006 
Statistics/ is this how I do it.
Find the range and the standard deviation (correct to two decimal places). 83,96,100,100,103 find the range and standard deviation Do I that 5 numbers add that divide by 5 for the range I am not sure how to do standard deviation. Thank you
asked by Mary Ann on May 31, 2014 
Physics
Find the jet fuel mileage (mpg) of a Boeing 787 Dreamliner if: C=0.024, v=900 km/h, 1 gallon=3.8 liters, 1 mile= 1.6 km, energy conversion efficiency=30%, A=2060 ft^2, 1 ft^2=0.093 m^2, drag force = 1/2(CApv^2), p=0.41 kg/m^3 at 10,000 m, jet fuel energy
asked by Rosanne on October 28, 2014 
math
A square is inscribed inside a circle with radius r cm. a) Express the edge length of the square in terms of r and so find the area of the square in terms of r. Using side, 's' would make it much easier, but the question asks for me to find the area of the
asked by anonymous on February 19, 2018 
Maths
The Giant Ferris Wheel has a radius of 30meters. Assuming that a time t= t_0 , the wheel rotates counterclockwise with a speed of 40m/min, and is slowing at a rate of 15m/min^2 . Find acceleration vector for a person seated in a car at the lowest point of
asked by Thongfye on April 11, 2012 
dress making
1. Which one of the following is the most complete and accurate definition of fiber? A. A stringy substance from plants B. The hair of an animal C. Manmade threads and yarns D. Basic raw material from which fabric is made 2. An example of a natural fiber
asked by caitlin on January 25, 2013 
Physics so confused!!
A bullet with a mass of 5.40 g is fired horizontally at two blocks resting on a smooth and frictionless table top as shown in the Figure. The bullet passes through the first 1.20 kg block, and embeds itself in a second 1.20 kg block. Speeds v1 = 3.90 m/s
asked by Julia on March 23, 2013 
physics 203
a projectile is thrown with initial speed v0=25.0m/2 at an initial angle with the horizontal ANGLE=45 degrees. a. find the time when the projectile is at the maximum height. b. find the position(x,y) at the maximum height. c. at time T, find the components
asked by ash on February 22, 2013
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