DD
Newest questions and responses by DD
social studies
what is the preamble to the constitution?
asked on February 16, 2018 
math
Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14,
asked on May 20, 2017 
maths
two poles 6m and 15m tall are 20 m apart a wire is attached to the top of each pole and is also staked to the ground some where b/n two poles where should be the wire be staked so that the minimum amount of wire be used?
asked on February 22, 2017 
MATH
Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles,find: a.how many pupils in wear spectacles b.what percent of the total number of pupils wear spectacles.
asked on July 1, 2016 
math
If you cut off 5pieces of glass from a 14 feet long, how long should each pieces
asked on June 28, 2016 
History
which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by
asked on May 4, 2016 
math
A flag pole sits on the front lawn of a school, 6.6 m from the front door. The angle of elevation from the base of the school to the top of the pole is 38°. Determine the height of the flagpole, to the nearest tenth of a metre.
asked on March 1, 2016 
Social studies
5. William Tecumseh Sherman's "march to the sea" headed toward; A) Charleston, SC ****** B) Richmond Virginia C) Savannah Georgia D) Baltimore, Maryland 7. What battle began when the Union cavalry surprised the Rebel infantry raiding the town for shoes? (1
asked on April 17, 2015 
english
2. Which of the following is the best reason to use visuals in a research presentation? A)) to illustrate your main point in an engaging manner B)) to illustrate any topic with data in percentages C)) to show different ways of looking at the same
asked on April 6, 2015 
english
which sentence contains a participial phrase? a) she wanted to spend time writing. b) her job is giving the attic dwellers their food. c) quickly snatching up the coat, she ran to her room. d) to get along well requires cooperation. which sentence contains
asked on April 6, 2015 
english
In the following sentences, what word does the participial phrase modify? Everyone in the annex heard her screaming loudly. (1 point) a) everyone b) annex c) heard d) her pl E A S E HE L P
asked on April 6, 2015 
chemistry
What is the molality of 67.1g of Nano3 in 2.5l of water i get the molar mass of nano3 and divide it by the 67.1g and multipy it by 2.5l
asked on December 12, 2014 
chemistry
calculate the energy required to raise the temp of 72g of water from 50c tp 150
asked on December 12, 2014 
chemistry
is finding the molality and molarity the same concept
asked on December 12, 2014 
chemistry
how much heat is required to raise a 54g sample of water from 20 celsius to 90 celsius explain
asked on December 12, 2014 
chemistry
How do u tell of a solute is polor or non polar based on what
asked on December 12, 2014 
chemistry
how many moles of solute are contained in 18.5ml 2.5m CaCL2
asked on December 12, 2014 
chemistry
What is the ppm of 4.50mg of ddt in 10kg of seal fat?
asked on December 12, 2014 
chemistry
Increasing pressure does what to solubility. Increasing surface area? increasing temp?
asked on December 12, 2014 
algebra2
Tim has a pool slide that makes an angle of 25 with the water the top of the slide stands 4.5feet above the surface of the water A:how far out into the pool will the slide reach B:The slide makes a straight line into the water. How long is the slide
asked on December 11, 2014 
algebra2
At a hot air balloon festival jim watches a hot air balloon rise form a distance of 200 yards. A:From jims position the ballon seen to hover at angle of elevation of 50 What is the height of the ballon B:After a while the ballon seems to hover at an angle
asked on December 11, 2014 
algebra2
A kite string is 102 feet long. the angle between the kite string and the ground is 54.9. how high is the kite
asked on December 11, 2014 
algebra2
MS TAn bought a bmw for 62,000. The price of a bmw depreciates at the rate of 12% per year. How much will the saving account have after 30 years
asked on November 20, 2014 
algebra2
a saving account with an initial balance of $15000 grows at 1.33percent per year compounded continuously. How much will the saving account have after 30 years?
asked on November 20, 2014 
calc
Each of the regions A, B, and C bounded by f(x) and the xaxis has area 5. Find the value of ∫2 [f(x)+3x^2+2]dx. −4 I know to solve I can find the antiderivative of the equation but im not sure how to do this because of the f(x) in the parentheses.
asked on November 16, 2014 
physics
Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against
asked on October 21, 2014 
math
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March
asked on June 28, 2014 
Math
If 1/3 of. My salary is in one bank, 1/5 in another and 1/6 in another how much I have left
asked on March 23, 2014 
Statistics
Suppose 5 cards are drawn, without replacement, from a standard bridge deck of 52 cards. Find the probability of drawing 4 clubs and 1 non club.
asked on December 1, 2013 
Chemistry
The density of methanol is .7918 g/ml/ How many grams of methanol do I have to add to 35.0ml of water to make a solution containing 25% methanol?
asked on September 7, 2013 
statistics
Researchers conducted a survey of parents of 66 kindergarten children. The parents were asked whether they played games with their children. The parents were divided into two groups: working class and middle class. The researchers wanted to know if there
asked on August 24, 2013 
Math
Which statement(s) is/are true?Select one of the options below as your answer:A. A 25° angle is congruent to a 25° angle.B. Two intersecting lines form two pairs of congruent angles.C. It is possible for congruent angles to add up to 90°.D. All of the
asked on July 24, 2013 
math
xy+z=3 2xy+z=4 x+2yz=1 solve in GausJordan method
asked on July 13, 2013 
physics
A coil consists of N=105 turns of wire wrapped uniformly around a plastic torus. The inside radius of the torus is r0=0.12 m and the outer radius is r1=0.14 m. Thus, each winding has a diameter d=0.02 m. What is the selfinductance (in H) of this coil?
asked on April 12, 2013 
physics
Consider a circuit with an RL series with L=0.09 H and R=0.05 Ohm. At t=0 the circuit is connected to a battery which provides V0=12 V. (a)How long does it take to the current to equal a fraction 0.95 of the steady state current? (b) What is the energy
asked on April 12, 2013 
physics
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.075 A. Consider a point P on the plane which is equally
asked on April 12, 2013 
physics
Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the total magnetic energy in the solenoid with length x, and U2x the one in the solenoid with length 2x. What is U2x/Ux?
asked on April 12, 2013 
chemistry
2. Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct thermochemical equation for this
asked on May 14, 2012 
physics
if a steel flagpole get 5.1 mm taller when temperature increase by 5.0 degree celsius approximately how tall is the flagpole?
asked on April 12, 2012 
Chemistry
How do I figure out how to balance 1 mole of carbonic acid with 1 mole potassium hydroxide? And balance a chemical reaction of sodium bicarbionate with hydrochloride acid?
asked on March 18, 2012 
physics
a cyclist must travel 1500 km . how many days will the trip take if the cyclist travels 8 h/day at an average speed of 25 of 25 km/h ?
asked on September 14, 2011 
economics
For example the productive needs of the firm would be to set (Marginal Revenue = Marginal Costs (MR = MC) and create excess profits for the firm. However, as far as what is in the best interests of society it might be Price or (Average Revenue) = MC. Give
asked on September 3, 2011 
economics
How do minimum wages affect equilibrium price?
asked on September 3, 2011 
maths methods
Find the angle of depression from top of a 500 m long chairlift with a vertical height of100 m
asked on August 1, 2011 
physics
1. The best leaper in the animal kingdom is the puma, which can jump to a height of 12 ft when leaving the ground at an angle of 45°. With what speed, in SI units, must the animal leave the ground to reach that height?
asked on June 19, 2011 
math
is the realtion a function? explain (1,1), (2,1), (3,1), (4,1)
asked on March 25, 2011 
Math
An open box with a square base is to bemade to organize items in the trunk of a car. It is planned to use an area of 16m square of flexible plastic forthis box. What are the dimensions of the box for max volume?
asked on February 25, 2011 
college Chemistry
what is the amount of heat lost in KJ for 50 ml of water going from 70.0 degrees C to 1.0 degrees?
asked on July 2, 2010 
physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.5 m/s2. The magnitude of the car's velocity at the
asked on May 26, 2010 
algebra
How do you find any xintercepts and yintercepts. If no xintercepts exist, state this. g(x)=2x^2+3x1
asked on April 24, 2010 
french
what does this mean in english ecris la partie correcte d,aller apres chaque nom ou pronom
asked on November 24, 2009 
math
solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x4y=20 4y8x=20
asked on July 22, 2009 
math
Solve 0.6x < 24 x=40 the solution is {x
asked on July 22, 2009 
math
solve using the multiplication principle. 1/2x=3/4
asked on July 22, 2009 
math
0.6x+2 ¡Ü 1.4x1
asked on July 21, 2009 
algebra
translate to an algebraic expression the product of 37% and some number
asked on July 21, 2009 
Algebra
evaluate z+y/9 for z=62 and y=10 z+y/9=
asked on July 21, 2009 
math
Determine whether (2,1) is solution of 7x+6y=3
asked on July 21, 2009 
science
how many tornados dose ohio average
asked on March 17, 2009 
science
what site would i go to to summerize the climate changes that have accured from the past to the present and predict what you think the Earth will look like into the 21st. century????
asked on March 8, 2009 
human services
I am to identify the needs and expectations of P.E.A.C.E domestic violence agency in human service plan, can anyone suggest a web site that I might read and learn these identities and name the different types of stakeholders.I want to check out other sites
asked on March 5, 2009 
human services
I need help with identifying the elements of an effective program plan through out an evaluation
asked on February 26, 2009 
MATH
I REALLY NEED HELP CAN YOU HELP ME PLEASE
asked on February 21, 2009 
government
Why is the president more successful in foreign policy? This difference narrowed from 1965 to 1975 (55% foreign policy to 46% domestic policy). What explains the president’s poorer recent performance in foreign policy?
asked on November 22, 2008 
government and politic (please help...i'm stuck)
One of the problems of liberty is that one person’s liberty sometimes conflicts with another’s liberty and one must take precedence. How would you resolve the following conflicts between rights of the individuals and why? [h] Fountain Valley High
asked on November 10, 2008 
Criminology
Help, I don't know where to begin. Your supervisor would like you to do some research in preparation for an article regarding the application of modern theories of criminal thinking and criminal behavior of famous criminals in American history to be
asked on April 3, 2008 
English
Can somesome read this for me and give me any feedback that's necessary. The first paper that I wrote was a narration paper this paper deals with joining a series of events within the first paper that I wrote I walk you through how you really cant trust in
asked on November 24, 2007 
English
Can someone please read this paper and give me any feedback to help improve this paper. I'm not good at writing papers. Thanks In 2005 the Dial Corporation announced that it would be laying fifty people off for the needs of the business. the fifty people
asked on November 24, 2007 
English
Can somebody proofread this and tell me if its okay. The day was October 30, 2005 I went work at the Dial corporation like any other day. Little did I know that this would be unlike any other day that I had ever worked in all the four years that I had been
asked on November 24, 2007 
English
Choose three items from the list below. Define your three chosen errors. Write two sample sentences for each choice: one that demonstrates the error and one that corrects the error. In a paragraph, describe how you plan to improve these areas in your
asked on November 15, 2007 
CHEM
A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of
asked on October 1, 2007 
chem
A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of
asked on October 1, 2007

algebra
Dsad
posted on October 17, 2018 
Statstistics
dd
posted on October 4, 2018 
math
dfd
posted on September 13, 2018 
Maths
sin 23
posted on June 11, 2018 
Math
✔ vi Gg
posted on May 4, 2018 
7th Grade Social Studies!!
Thank you
posted on April 24, 2018 
Chemistry
No clue
posted on April 8, 2018 
Math
what where the answers
posted on January 26, 2018 
Math
shadow is wrong
posted on January 26, 2018 
AP BIO
ss
posted on January 17, 2018 
Algebra 1 help
dd
posted on January 12, 2018 
Math
12
posted on November 29, 2017 
Math
2.48>2.4 1>2.463
posted on October 27, 2017 
history
i mean this test
posted on October 4, 2017 
history
what lesson is it
posted on October 4, 2017 
math
how is the sentence "15 more than x is 5" written as an equation? A. x+5=15 B. x=15+5 C. x15=5 D. x+15=5 is the answer B.
posted on August 31, 2017 
science
this is an object
posted on August 3, 2017 
math
1248
posted on June 8, 2017 
physics
edfv
posted on February 7, 2017 
math
Yesssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss!
posted on January 30, 2017 
Math 6th
hyffdf
posted on January 17, 2017 
social studies
jygfgvhbj
posted on December 12, 2016 
Math
You guys suck
posted on November 3, 2016 
Corporate Finance
da
posted on October 22, 2016 
math
Folow the equation a squared + b squared = d squared
posted on May 11, 2016 
math
dfdf
posted on April 19, 2016 
Managerial Econ
2.5
posted on February 20, 2016 
Health
Thanxs salted caramel
posted on January 8, 2016