Questions Asked on
April 9, 2017

math
1.What are the mean,median,mode and range of the data set given the altitude of lakes in feet:9,36,23,8,17,52,27,and36? 2.Given the data 21,13,13,37,13,23,25,15 a.What is the outlier in the data? b.what is the mean with the outlier? c.what is the
asked by stupid lame fat 
Social Studies
Even Though they were allowed to serve as soldiers what types of discrimination did african american americans face in the Union army? (Select all that apply) A)They were not allowed to serve as officers B) They were not eligible to win high awards,such as
asked by Kacey 
English
13. In the short story, "The Cask of Amontillado," Poe's use of a(n) ___________ narrator to tell the story heightens the uncertainty and sense of horror felt by the reader. could you please help me on this fill in the black
asked by Cassandra 
PHYSICS HELP
A 0.26kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the cliff, the rock has a speed of 29 m/s . a.Assuming that air resistance can be ignored, find the initial speed of the rock . v0=
asked by ANONYMOS 
Chemistry
A metal foil has a threshold frequency of 5.45 x 10^14 Hz. Which color of visible light will not eject electrons from this metal? a) blue b) indigo c) violet d) orange c=(wavelength)(v) 3.0x10^8m/s = (wavelength)(5.45 x 10^14 Hz) 550 nm > releases green.
asked by Anon 
English
Read the following paragraph from "Five Hours to Simla." After the cacophony of screeching brakes and grinding gears, there followed the comparatively static hum of engines, and drivers waited in exasperation for the next lurch forwards. For the moment
asked by Fading 
physics
A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86 flights, with a total of 1576 steps, was run in 9 minutes and 33 seconds. If the height gain of each step was 0.20 m, and the mass of the runner was 70 kg
asked by ANONYMOS 
Chemistry
A 32 W (1 W = 1 J/s) lamp generates violet light at a wavelength of 420 nm. How many photons of this light will the lamp generate in 2.0 s?
asked by Anon 
physics question
A skateboarder at a skate park rides along the path shown in (Figure 1) .a=2.7 m and b=1.0m Part A If the speed of the skateboarder at point A is v=1.6m/s, what is her speed at point B? Assume that friction is negligible.
asked by ana 
Math
Jamie spenta total of $11.60 on 5dentical pens and a ruler .A rulercost$1.30less than a pen .how much did a pen cost?
asked by Natalie 
math
Given: ABCD is a rhombus, AB = 6, and m∠A=60° Find: The height.
asked by annie 
geometry
The angle bisector of ∠ACD in rhombus ABCD makes a 64° angle with the diagonal BD . Find the measure of ∠BAD.
asked by alec taitano 
Algebra
The yearly per capita consumption of whole milk in the United States reached a peak of 40 gallons in 1945, at the end of World War II. By 1970 consumption was only 27.4 gallons per person. It has been steadily decreasing since 1970 at a rate of about 3.9%
asked by Katie 
Chemistry
C4H6O2 a) Draw a plausible structure for this compound that contains alcohol, ether, and alkyne functional groups. b) Draw a plausible structure for this compound that contains aldehyde and ketone functional groups.
asked by CL 
math
Water is being poured into a conical cup that is 12cm tall. a) When the water in the cup is 9cm deep, what percentage of the cup is filled? b) When the cup is 75 percent filled, how deep is the water?
asked by Grace 
english
Which quote from "The Lottery" best illustrates the theme that good people can do bad things when conforming to a group's social expectations? A. a sudden hush fell on the crowd as Mr.summers cleared his throat and looked and at the list. B. although the
asked by Cassandra 
physics
A 48N object floats in a pool. If 75% of the volume of the object is immersed in the water, which statement is true about the buoyant force FB on the object? A. FB=48N B. FB=36N C. FB=64N D. FB=12N E. This is not possible to answer with the information
asked by Idali 
Physics
An electric kettle rated accurately at 2.5kw is used to heat 3kg of water from 15% to boiling point it takes 9.5 minute. Then the amount of heat that has been lost is
asked by Anonymous 
chemistry
2NO2(g)⇌N2O4(g). ΔH∘f for N2O4(g) is 9.16 kJ/mol.
asked by chad 
mathematics
3log2 plus log 20  log1.6
asked by Cinderella 
English
Choose the best word to complete each sentence. My brother Luke _____ a computer genius. are am is*** were Sarah and her sister _____ to this city many times in the past year. has gone has been have been*** have went Are my answers correct?
asked by Fading 
Math
How many times greater is the 4 in the hundreds place than the 4 in the ones place in the number 536,494
asked by Yeni 
Calculus II: Finding the volume of a revolution
Question: Find the volume of revolution bounded by yaxis, y=cos(x), and y=sin(x) about the horizontal axis. Since the rotation is happening at the horizontal axis, I thought the limits of integration would be [1,1] and if the curves are rotated they
asked by Luna 
Organic Chemistry
If one gram of aspirin is dissolved in 100mL of water at 37 degrees celsius, how much aspirin will precipitate out of solution when it is cooled to 25 degrees celsius?
asked by Maggie 
Math(PLEASE HELP ME ASAP)
what is the area of the circle 4 mm use 3.14 for pi
asked by Young Trippy Lil G 
physics
Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.55 cm , its potential energy is 0.0020 J a.What is the force constant of the spring? i found the fist answer is 130N/M B. What compression is required for
asked by sinti 
Math 8
A stop sign has each side measures of 12.4 inches, and the distance from any side to the opposite side is 30 inches. Divide the stop sign into one rectangle and two trappezoids. What are the dimensions of the rectangle and each of the trapezoid Ok I
asked by Lisa 
Math
) Suppose that z=f(x,y)z=f(x,y) is defined implicitly by an equation of the form F(x,y,z)=0F(x,y,z)=0. Find formulas for the partial derivatives ∂f∂x∂f∂x and ∂f∂y∂f∂y in terms of F1,F2,F3F1,F2,F3. To enter your answer use F1, F2, F3 as the
asked by Usman 
Math
which of the following could be represented by 8
asked by dude 
maths
Root2+root3+root4+root6
asked by Anonymous 
Statistics
Could anyone help me out with the following problem? Identify the consequences (i.e. increase, decrease, or none) that the following procedures are likely to have on both bias and sampling error in an experimental study. A) Assigning treatments to subjects
asked by Jamie 
math
A movie theatre sells two types of tickets: adult and child. On Tuesday, the theatre sold 100 adult tickets and 70 child tickets and made a total of $1,100. On Wednesday, the theatre sold 50 adult tickets and 50 child tickets and made a total of $625. How
asked by Star 
physics
A cable is 100 m long and has a crosssection area of 1 mm2. A 1000N force is applied to stretch the cable. If Young’s modulus for the cable is 1.0x1011 N/m2 , how far does it stretch? A. 10. m B. 1.0 m C. 0.10 m D. 0.01 m E. 0.001 m
asked by Idali 
Physics
an 1100 kg car accelerates from rest at 3.4 m/s2. if the horizontal force exerted on the wheels by the road is 5600 N, what force must be resisting the motion of the car? use a free body diagram to illustrate your answer.
asked by Jessie 
Designing Specialty Areas
It's recommended that indoor physical centers be set up in stations. Which of the following statements about stations is true? A. Most centers will need to have close adult supervision. B. Two or three stations are typically sufficient. C. Centers should
asked by Priscila 
Physics 30
an 1100 kg car accelerates from rest at 3.4 m/s2. if the horizontal force exetred on the wheels by the road is 5600 N, what force must be resisting the motion of the car? use a free body diagram to illustrate your answer
asked by Anonymous 
physics
If an ideal gas does positive work on its surroundings, we may assume, with regard to the gas: A. Volume increases B. Internal energy decreases C. Pressure decreases D. Temperature increases E. Pressure increases
asked by Idali 
physics
Two moles of neon gas at 25oC and 2.0 atm is expanded to 3 times the original volume while the pressure is reduced to 1.0 atm. Find the end temperature. A. 447degreesC B. 174 degreesC C. 66 degrees C D. 38degreesC E. 150degreesC
asked by Idali 
Physics
A spring balance has a scale that reads from 0 to 5 kg. The length of scale is 20 cm.a body suspended from this spring, when displaced and released ,oscillates with period of 0.60s.what is the weight of body.
asked by Abidur 
Physics
Calculate the force acting on a body of mass 10 kg moving with a uniform velocity of 2m/s.
asked by Abidur 
Chemistry
A 30 g sample of water at 280 K is mixed with 50 g water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
asked by Victor 
Physics
Two forces whose magnitude are in the ratio 3:5 give a resultant of 28N.if the angle of inclination is 60, find the magnitude of each force.
asked by Abidur 
Survey of Accounting
Calculate basic EPS Net income was $659,250 for the year. Throughout the year the company had outstanding 18,000 shares of $2.50, $50 par value preferred stock in 105,000 shares of common stock. Required: Calculate basic earnings per share of common stock
asked by Carla 
physics
A 75.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 13.5 cm. Model the floor as completely solid and motionless. With what
asked by kim 
Physics
In a singleslit diffraction pattern, the distance between the first and second minima is 4.2cm on a screen 3.8m from the slit. Find the slit width given that the wavelength of the light is 530nm. Answer in mm Somebody please help!
asked by Ben 
Maths
A swimming pool whos surface forms a rectangle measures 25 m long by 15 m wide The pool is 2 m deep at the shallow end and the depth increases at a constant rate to 4 m deep at the other end How many?
asked by sujatha 
Algebra
Determine whether each function is an example of exponential growth or decay. Then find the yintercept. a) y = 2(4)^x growth or decay yintercept: b) y = 3(.25)^x growth or decay yintercept:
asked by Aaron 
math
The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side than from the larger side of the rectangle. The perimeter of the rectangle is equal to 56 cm. Find the lengths of the sides of the rectangle.
asked by Anonymous 
physics
Consider a 10 gram sample of a liquid with specific heat 2 J/g*K. By the addition of 400 J, the liquid increases its temperature by 10 K and then boils. Half of the liquid boils away before all the heat is used up. What is the heat of vaporization of the
asked by Idali 
Statistics
The director of the library believes that 25% of the library's collection is checked out. If the director is right, what is the probability that the proportion of books checked out in a sample of 545 books would differ from the population proportion by
asked by Alex 
Chemistry
How many different f orbitals are there?
asked by Anon 
Calcalus
Solve the equations below exactly Give your answers in radians, and find all possible values for t If there is more than one answer, enter your solutions in a comma separated list (a) sin(t)= sqroot(2)/2 when t= (b) cos(t)=1/2 when t= (c) tan(t)=1 when t=
asked by Bob 
Chemistry
In a coffee cup calorimeter, 2.00 g of potassium hydroxide are mixed with 200.0 g of water at an initial temperature of 25.00C. After dissolving the salt, the final temperature of the solution is 27.33C. What is the heat change for the dissolution of
asked by Victor 
Designing Specialty Areas
We show we value families when we do which of the following? A. Tell families that they hold their children's future in their hands, so it's crucial that they make sure their children complete their homework. B. Realize that families are too busy to be
asked by Priscila 
Chemistry
How many orbitals are available with the following combination of quantum numbers? 1) n = 2; l = 0 2) n = 3; l = 2 3) n = 4; l = 3 I have figured that it is 1) 2s 2) 3d 3) 4f but i don't know what to do after this.
asked by Kelsey 
Social Studies help
which area did julius caesar conquer before making the rhine a boundary of the roman empire A. Germany B. Gaul C. Briitaina D. Egypt
asked by OCA student 
physics
A 75.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 13.5 cm. Model the floor as completely solid and motionless.
asked by kim 
chemistry
A 3.04 g piece of aluminum at 60.0 °C is placed into a “styrofoam cup” calorimeter filled with 150.0 mL of water at 25.0 °C. What is the final temperature of the contents of the calorimeter once thermal equilibrium has been established (everything
asked by David 
Calculus
If cos of theta= 7/12 and theta is in quadrant 2 then find a. tan(theta) cot (theta)= b. csc(theta) tan(theta)= c. sin^2(theta)+ cos^2(theta)=
asked by Bob 
Calculus II: Shell Method for finding volumes
Question: What is the volume of the revolution bounded by the curves of y=4x^2 , y=x, and x=0 and is revolved about the vertical axis. First, I had found the points of intersection to get the limits and I got 2.5616 and 1.5616. And then I plug it in the
asked by Luna 
Economics
The fixed cost of producing five units of a particular commodity is given as #900 while the total cost of producing the same five units of this commodity is #1000.the marginal cost of the 6th unit produced later is #200.calculate the average variable cost
asked by Daniel 
math
Monarch Distributing Ltd. plans to accumulate funds for the purchase of a larger warehouse eight years from now. If Monarch contributes $12,000 at the beginning of each month to an investment account earning 4.5% compounded semiannually, what amount will
asked by aaa 
thermochemistry
. Mountain climbers often brew tea by melting snow, which they heats over a stove. Our stove burns butane (C4H10), which has a heat of combustion of 2878 kJ/mol. The temperature of the snow is initially at 20 °C, and we need 80 °C water to brew tea. a.
asked by David 
Chemistry
Thirty feet of water exert a pressure of 1 atm. Calculate the pressure (in kPa) exerted on a diver at a depth of 50 feet on a standard day.
asked by Victor 
math
the daily production of two factories A and B are 300 and 200 bottle respectively .2% of the product o f each factory are found to be defective .if 6 defective bottle are randomly selected from a daily production of A and B .find the probability that 4 of
asked by david 
math
Payments of $1690 at the end of every six months will pay off the balance owed on a loan in 9.5 years. If the interest rate on the loan is 9.9% compounded semiannually, what is the current balance on the loan? (Do not round intermediate calculations and
asked by aaa 
English
1. He took a picture of me. 2. He took one picture of me. 3. He took pictures of me. (Does #1 mean #2? Did he take only one picture of me? Does #3 mean he took several pictures of me?)
asked by rfvv 
math
Pawleys total earnings after 3 years if the first year his salary was X dollars. The second year it was 5000.00 higher, and the third year it was twice as much as the second year?
asked by mom 
Math
N(t)=2000e^(1.1t) the continuous growth rate is 110% effective growth rate?__% Q(t)=65e^(0.09t) continuous growth rate is 9% effective growth rate?__% G(t)=650e^(0.055t) continuous growth rate is 5.5% effective growth rate?__% round to 2 decimal places
asked by Evenlyn 
Calculus
Find all solutions to tan(theta)=1/sqroot(3). In the interval 0 less then or equal to theta less then or equal to 2pi. Theta=
asked by Bob 
science
three equal charges 2.0×10^6 each ae held
asked by amit anand 
Biology
1. How do mutations play into the fitness of an organism? 2. Describe how variation, selection and time fuel the process of evolution.
asked by Danny 
Chemistry
Will a photon of light of wavelength 480 nm excite an electron in the hydrogen atom from the n = 1 level to the n = 2 level? How would I figure this out?
asked by Sam 
physics
A skier starts at rest and glides (without friction) directly down the fall line from the highest point of a giant snowball with a radius of r=31.7 m . The skier can be observed as a point mass and the air resistance is negligible. What speed v does the
asked by alia 
Calculus
Find all solutions to the equation with 0 is less then or equal to a is less then or equal to 2pi Give an exact answer if possible, otherwise give value(s) ofa accurate to at least four decimal places. 4tan(a)+5=2 a= how do i find a
asked by Bob 
Math
A rectangular grassy area in a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grassy area which would increase the area by 459 yd^2. What is the width of the sidewalk?
asked by Anonymous 
math
An insect crawls on a piller 35m, it ascends 5m in the first minute but slips down 3m in the next minutes if it continous crawling in this way. what time it will take to reach at tha top of the pillar?
asked by Sagar 
programming
Design a subclass of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a
asked by jerry 
programming
Design a subclass of SimpleCalculator called Calculator using psudoecode that contains public methods named multiply(), and divide() and that defines private fields called num1 and num2. Each of the methods accepts two numeric arguments and returns a
asked by jerry 
Math
The equation C=5h+10 represents the cost, C dollars, to rent a bicycle for h numbers of hours. A) write the equation in function notation
asked by Mileena 
calculus
The number of sunspots (solar storms on the sun) fluctuates with roughly 11year cycles with a high of 120 and a low of 0 sunspots detected. A peak of 120 sunspots was detected in the year 2000. what is the trigonometric functions could be used to
asked by umma 
Chemistry
Indicate which elements can be used as potential semiconductors, and which ones can be used as potential dopants used to make ntype and ptype semiconductors by placing them in the corresponding bin. F, Al, As, Ge, I. ptype semiconductors can consist of:
asked by CL 
Trigonometry
How to divide a right angled triangle into two isosceles triangle ? Kindly help
asked by Asfand 
math
The sum of three consecutive integers if the least integer is X ?
asked by mom 
Physics
Using heat exchange and conservation of thermal energy, determine the specific heat capacity for your metal. So the data we have is: Aluminium: Mass  0.004 Initial temp  100C Final temp: 32C Water: Mass 0.1 Initial temp  20C Final temp  32C I know
asked by Amy 
Trigonometry
If possible find a solution to 2 cos(theta)=0612. theta=
asked by Bob 
History
need help on history question The Gulf of Tonkin incident opened the door to A) Kennedy's assassination B) the Rolling Thunder strategy C) Lyndon Johnson realizing that the military D) could not win the war E) all of these answers are correct
asked by David 
Math
P= P(initial)(1/2)^(t/80) I found Halfline:80 P=Pinitial(e)^(rt) i cant seem to find what r is. Help
asked by Priscila 
Biology
1. How do mutations play into the fitness of an organism? 2. Describe how variation, selection and time fuel the process of evolution.
asked by Danny 
Math
David uses 1/3 cup of apple juice for every 1/2 cup of cranberry juice to make a fruit drink.
asked by Claudia 
physics
What is the energy of a photon of yellow light with a frequency of 5.14 Ã— 1014 Hz?
asked by Anonymous 
Chemistry
If I have 42g of NaCl how many moles of NaCl do i have?
asked by John escalante 
Math
Roy has a patio that covers 434 ft^2. He wants to increase his patio 196ft^2 by adding 4 feet to both the length and the width. The length of the original patio is three feet more than twice the width What is the length of the new patio?
asked by Anonymous 
programming
Design a class called SimpleCalculator using psudoecode that contains public methods named add(), subtract(). Each of the methods accepts two numeric arguments and returns a number that represents the result of the appropriate arithmetic operation
asked by earl 
Physics
Derive an expression for escape speed of satellite.
asked by Abidur 
Science
Say we have a jar of water, Is the angle of incidence, the angle that the the light enters the water, the angle above the water or the angle below the water?
asked by Reeses 
Chemistry
What is the subshell designation for an electron with the following set quantum numbers? 1) n = 1; l = 0 2) n = 3; l = 2; mi = 1 3) n = 4; l = 3 3) n = 2; l = 0; mi = 0
asked by Nate 
math
Beaudoin Haulage has signed a fiveyear lease with GMAC on a new dump truck. Lease payments of $4500 are made at the beginning of each month. To purchase the truck, Beaudoin would have had to borrow funds at 8.7% compounded annually. (Do not round
asked by aaa 
maths
A fund increased 85% during the last 5 years. Find the annual compounded rate of increase
asked by safaa 
Art
Why did Pablo Picasso invent Cubism?
asked by Anonymous 
math
Can anyone give me any word problems
asked by Nyan