Questions Asked on
April 29, 2016

Pre Calculus
A piece of cardboard measuring 13 inches by 11 inches is formed into an opentop box by cutting squares with side length x from each corner and folding up the sides. a. Find a formula for the volume of the box in terms of x b. Find the value for x that
asked by Joey 
Statistics
You conduct a study on eye color and you questioned 550 people a hundred and ten of them have brown eyes and 44% of them have blue eyes what percentage of the people you question has blue or brown eyes
asked by Telika 
Science
Check this Compare renewable and nonrenewable energy sources, and discuss the effects of each on biodiversity. My answer Renewable resources are things like the wind and sun. You will never run out of these things. Nonrenewable resources are things like
asked by Ange 
Math (Probability)
Each of two urns contains green balls and red balls. Urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33* D. 2/13 You have six $1
asked by Drew 
chemistry
For the oxidation reduction reaction equation given here, 2Na+S > Na2S indicate how many electrons are transferred in the formation of one formula unit of produce.
asked by Anonymous 
math
The Davidson family wants to expand its rectangular patio, which currently measures 15 ft by 12 ft. They want to extend the length and width the same amount to increase the total area of the patio by 160 ft2. Which quadratic equation best models the
asked by joe 
Geometry
1. Television screens are sized according to the length of a diagonal across the screen, from one corner to another. The screen of a 2 inch wide screen TV is 24.5 inch high. How wide is it? 2. A carpenter needs to build a stairway down to a basement in a
asked by Terrell 
science
A stone of mass 20g is projected vertically upward with a catapult whose rubber has a force constant of 72Nm1. If the tension in the cord at the point of release is 36N, find (a) the velocity of projection of the stone (b) the maximum height attained by
asked by Bukky 
Chemistry
Consider the reaction: K2S(aq)+Co(NO3)2(aq)=2KNO3(aq)+CoS(s) what volume of 0.255 M K2S solution is required to completely react with 160 mL of 0.130 M Co(NO3)2?
asked by David 
Calculus
An object's velocity after t seconds is v(t)= 382t feet per second. a. How many seconds does it take for the object to come to a stop (velocity = 0)? b. How far does the car travel during that time? c. How many seconds does it take the car to travel half
asked by Adam 
Computers
How do I make a Raptor flowchart program that asks the user to enter a 10 character telephone number in the format XXXXXXXXXX, that makes the program display the telephone number with any alphabetic characters that appeared in the original translated to
asked by Marquita 
history
5. Public Domain How is the U.S Constitution portrayed in this cartoon? A. always winning, despite attempts, to misinterpret it. B. losing to anyone willing to study and use it. C. too complex for any one person to interpret D. willing to crush anyone who
asked by summer moriarty 
ChemistryDr.Bob222
A 1.00 L buffer solution is 0.250 M in HC2H3O2 and 0.250 M in NaC2H3O2. Calculate the pH of the solution after the addition of 0.150 mol of solid NaOH. Assume no volume change upon the Additon o f NaOH. The Ka value for HC2H3O2 at 25 C is 1.8 x 10^5.
asked by Nevaeh 
Chemistry
What is mass in grams of a pure iron cube that has a volume of 4.10 cm3
asked by Sandy 
Health
A quick, automatic response to something in the environment is called: A. A synapse B. A seizure C. A reflex*** D. A refusal skill
asked by IsMyAnswerCorrect 
Science
Please chrck my answer! How does a galvanometer use a magnetic field to indicate the strength of an electric current? When a current is passed through a magnetic field, it goes through a coil and to a galvanometer.
asked by Mara 
english
16. What is the effect of the author’s use of assonance in the following line from “The Raven?” “For the rare and radiant maiden whom the angels name Lenore—” (1 point) A It creates emphasis on Lenore. B It explains Lenore’s appearance. C It
asked by saliha 
math
if letters of the word REGULATIONS are arranged at random. what is the probability that there will be exactly 4 letters between R and E?
asked by subject 
College Algebra
Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice
asked by Need Help 
Chemistry
Consider the generic reaction between reactants A and B: 3A+4B→2C How many moles of B will be in the reaction vessel once the reactants have reacted as much as possible? (Assume 100% actual yield.)
asked by Aria 
Pre Calculus
A cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0.02 cents per square centimeter. The material for the top and bottom of the can need to be thicker, and costs 0.06 cents per
asked by Joey 
Intro to Software Developement
How do I make a Raptor flowchart program that asks the user to enter a 10 character telephone number in the format XXXXXXXXXX, that makes the program display the telephone number with any alphabetic characters that appeared in the original translated to
asked by Marquita 
math
1) Which of these is a rational number? a. Pi b. Square root 3 ****** c. Square root 2 d. 1.3 (the # 3 has a line at the top) 2) Which of the following sets contains 3 irrational numbers? a. Square root 120 , n , Square root 3 ****** b.  Square root 256 ,
asked by jai 
sails math
A chemist has a solution that is 70% acid and another that is 45% acid. How many liters of each should he mix to obtain 300 liters of a solution that is 65% acid?
asked by Brooke 
Math
1. In this scenario, identify the population, the sample, and any population parameters or sample statistics that are given. A medical study followed 675 cancer patients who received either the new drug Lafent or a standard chemotherapy drug. 76% of those
asked by Devhin Miles PLEASE HELP 
History
Pattern your letter like the Declaration of Independence, but be sure to write everything in your own words. In this way, you will show you understand the meaning of the declaration. In your letter, be sure to include the following: reasons for writing
asked by Anonymous 
Math
The distance between Town A and Town B was 210 km. At 9:20 P.M., a bus set off from Town A to Town B and a car left from Town B to Town A. The average speed of the bus was 60 km/h, and the average speed of the car was 80km/h. a) Calculate the time at which
asked by Brody 
Science Check answers
2) What phenomenon naturally warms Earth's lower atmosphere and surface? • the formation of sunspots • changes in the shape of Earth's orbit • global warming (MY ANSWER) • the greenhouse effect 3) Which of the following is an example of human
asked by Jessica 
Law
Simone is a 15 year old and a repeat offender. She has been arrested again. In what order will her proceedings occur? A. Intake, Referral, Dispositional Hearing, Adjudication, Aftercare. B. Adjudication, Intake, Dispositional Hearing, Aftercare. C.
asked by Tellurian 
Science  Chemistry
1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of the ____. 2. The description of the structure of the atom is called the ___. 3. In a water molecule, two atoms of hydrogen and one atom of oxygen share
asked by Hunter 
Calculus
Find the area of the largest rectangle with sides parallel to the coordinate axes which can be inscribed in the area bounded by the two parabolas y=26x^2 and y=x^2+2
asked by Alexa 
math
1.)There are 35 roses.7 of theme are white and the rest are red.how many red roses are there? 2.)There were 27 children in the classroom.several more children came.and there were 58 children in all.How many children came in? 3.)Marie picked 31 empty
asked by joshua quiban 
Math (please help)
In a blueprint, each square has a side length of ¼ inch. 1 in. : 6 ft Bathroom  6 squares Bedroom  20 squares Living Room  28 squares a. Ceramic tile costs $5 per square foot. How much would it cost to tile the bathroom? $ b. Carpet costs $18 per
asked by Paulina 
physics
What mass of steam at 100¡ãC must be mixed with 388 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 45.0¡ãC? The specific heat of water is 4186 J/kg¡¤K. The latent heat of fusion is 333 kJ/kg, and the
asked by jes 
Cape he loped high school
You sell lemonade for $2 and orange juice for $3. You sell 100 cups for $240. How many cups of lemonade and how many cups of orange juice were sold
asked by John 
Science
Compare a desert ecosystem and forest ecosystem.
asked by Isaac 
math .
x^4+5x^3 _______ 3x^2 How would I do this? I can't seem to figure out how to set this problem up.
asked by Jasmine 
Math
Julie is making bookmarks for the 5th grade class. She has a roll of ribbon 6 feet long. Each bookmark requires 4 3/4 inches of ribbon. how many complete bookmarks can she make?
asked by Geo 
Math
The diagram shows how 3 people figured out how to share 2 cookies. Which equation does Not match the diagram. A.3/2 = 3 * 1/2, B.2 / 3 = 2/3, C.2 / 3 = 2 * 1/3, D.2 / 3 = 1/3 of 2.
asked by Pier 
Algebra
The goal is to shoot down my friends drone with a paintball. We need to know how quickly my paintball will reach a maximum altitude. And we need to know if my paintball will even reach the height required to reach the drone. His drones maximum altitude is
asked by Amanda 
Finance
The ACME Suction Cup company has $4,500 of debt and $10,500 of common stock equity. The total value of the company is $15,000. The company's cost of equity is 11.5 percent, the cost of debt is 5.9 percent and the relevant tax rate is 35 percent. What is
asked by Alana 
physics
A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.
asked by Anonymous 
History
What was Charles Darwin’s theory regarding plant and animal life
asked by Sid.V 
math
My ratio is 4tsp of concentratet to 3 oz of water. How much of each do I need to make 64 oz. Please figure by cps.
asked by Patty 
physics
A sled is moving at a constant speed down a surface inclined at 45.0° with the horizontal and travels 30 meters in 4 seconds. Calculate the vertical velocity of the sled at the end of 4 seconds.
asked by Anonymous 
math
At a concert there are 3 times as many women as men. 3/5 of the men and 1/3 of the women wear glasses. There are 120 more women wearing glasses than men wearing glasses .How many people are at the concert?
asked by Alicia 
Geometry
To the nearest meter, find the length of side DE in triangle DEF, given angle F=54 degrees, side DF=70 m, and side EF=50 m. Please show work!
asked by Zarina 
history
1. Which factor contributed the most to the increased importance of literature in American culture during the 19th century? A. the success of major social reform movements B. the spread of utopian communities throughout the nation C. the migration of
asked by catwoman 
social studies
Can someone please help me with this question. How do the freedoms outlined in the Declaration project individuals from todays global issues of terrorism and nuclear warfare?
asked by Keeley 
College Algebra Help?!
If a customer purchases a new stereo system during the spring sale, he may choose any 4 CDs from 20 classical and 32 jazz selections. In how many ways can the customer choose 2 of each?
asked by Madison 
Math
In high school, I played soft ball. I hit the ball into the air with an upward velocity of 35 ft. The equation that gives the height (h) of the ball at any time (t) is: h(t)= 15t2 + 35ft + 1.0. What is the ycoordinate of the vertex? Use: x=b/2a
asked by Kendra 
Algebra
For which k will the graph of f(x)=x^2−kx+k^2 cross the xaxis twice?
asked by Anonymous 
Math
Y= 2x 1 and y= x+3 (2,4) (4,2) (4,2) No solutions
asked by Mia 
Math
Minta deposits 1000 euros in a bank account the bank pays a nominal annual intrest rate of 5% compounded quartterly find the time in years until minta withdraws the money from her bank account
asked by Roygbiv 
algebra
A yard has a perimeter of 230 feet. If eight times the length of the yard equals fifteen times the width, what are its dimensions?
asked by candi 
physics
a) Two 36 g ice cubes are dropped into 300 g of water in a thermally insulated container. If the water is initially at 19°C, and the ice comes directly from a freezer at 19°C, what is the final temperature at thermal equilibrium? (b) What is the final
asked by ChrismB 
Algebra
What do you do when you divide two numbers written in exponential notation? A. Add the exponents of the 10 together B. Multiply the exponents of the 10 together C. Subtract one exponent of the 10 from the other D. Divide one exponent of the 10 by the other
asked by Madison 
Trigonometry
Without using the Calculator, solve the ff: (show solution) a. Cos 18° b. Tan 18° c. Cot 18° d. Sin 9° e. Cos 9° [Hint: Using any of the formulas for Half Angle, Double Angles, Reduction] Good Day!!! Thank you for the time. :)
asked by Fern Angel 
Algebra
"Explain how you can tell the function f(x) = x  5 is not linear by using points on its graph. Make sure to include in your answer the Points you used to determine that the function is not linear." Help please?
asked by Sam 
Maths
The population of a colony of frogs under ideal condition double every 10 days. Solve the the equation 2 raised to the power of n equals 50 (2^n =50)to work out how many 10 days period it takes for the population to be 50 times as large as it is now.
asked by Tom 
math
a girl born in 2001 and died in 2005 and her age was 50
asked by lolita 
Algebra
f(x)=sqrt(x+4)+sqrt(4x) Find X and Y intercepts
asked by Anonymous 
Algebra
"The table shows how far Object 1 traveled as a function of time. ___________________________________ Time (sec) Distance Traveled (ft) x  y ___________________________________ 2  18 4  36 6  54 8  72 ___________________________________ The equation
asked by Sam 
Chemistry
How many electrons does the bromine of BrF3 have in its outermost valence shell? Is it still seven like it would be when Br is by itself? Is it four because the three F would "take" one each to fill their octets? Or is it some other number?
asked by T 
International Peace
How does the United States deter North Korea from exploring ballistic missile research in creating an intercontinental ballistic missile? What should the United States do if it is determined that North Korea is very close to creating the technology to send
asked by Sara Chimney 
U.S. History
Did the U.S. economy truly have a Peace Dividend in the 1990’s?
asked by Sara Chimney 
history
The Revolutionary State of Totalitarianism; Describe the five elements that deserve close examination from the Revolutionary Stage of Totalitarianism.
asked by Sara Chimney 
U.S. History
Name several legislative and political steps undertaken in the United States and our efforts to partner with our allies to deter terrorism since the early 1990’s.
asked by Sara Chimney 
U.S. History
Authoritarianism in Theory: Myth versus Reality; List and describe six assumptions of authoritarian rule.
asked by Sara Chimney 
Science
Please help?!? In figure 201, where is the field of each charge the strongest? The picture shows A. A postive charge with arrows facing out and B. A negative charge with the arrows pointing in. This is a short answer question, but I don't understand what
asked by Kenzie 
P.E.
The first step in getting help for drug abuse is? detoxification withdrawal joining a therapeutic community recognizing the problem I was thinking D
asked by FluttershyK22 
Calculus
A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted.
asked by Joey 
Chemistry
How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution? Show all of the work needed to solve this problem.
asked by DAyanne 
P.E.
A place where former drug abusers live together and learn to be drugfree is called? a detox center a hospital a therapeutic center a supervised medication facility A or C I'm not sure
asked by FluttershyK22 
Language Arts
How can the Holocaust help us find similarities that go beyond race, culture, nationality, and so on?
asked by Alexia Smith 
History
By the end of the civil war. A. Many Confederate leaders had been tried for treason B. African Americans had gained full citizenship C. The South's economy had been destroyed D. Congress has passed legislation to rebuild the nation I think c
asked by Bryce 
Math
Lily has 12 balloons. 5 are blue, 3 are red and the rest are green. What fractions of the balloons is green? Give your answer in its simplest form.
asked by Fatheha 
College Algebra/precalculus
The question is to evaluate each logarithm: My professor wants us to show work. Could you please tell me if I'm on the right track? Thank you!!! 1. log6^(1/36)= 2 2. ln(1/e^4)= 1/e^2 3. log7^1= 0 4. log4^64= ln64/ln4= 3 5. log10^8= ln8/ln10= .9031 6.
asked by Need Help 
Physics
A person is driving on a level road and see's a sign 180m ahead in the middle of the road. The person strikes the sign at a speed of 60km/h. If the person was travelling at 90km/h when the sign was first spotted what was the students perceptionreaction
asked by momo 
Data Analyse
Question 1 Production Rates A manufacturing company wishes to estimate the number of items that its workforce can produce on average each hour now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past
asked by Lau 
Social studies (Help Reed or Ms. Sue)
Although (s)he was later forced into exile by Haiti's military, ______ became, in 1900, the first Haitian president to be elected democratically in many years. Francois Duvalier Toussaint L'Ouverture Vanesa Alonso JeanBertrand Aristide I think A or C
asked by FluttershyK22 
math
Write an expression by combining like terms. 4(1/3x  1)3(2/5x  3) THANK YOU!
asked by Tim 
science
A truck travelling down the hill at constent acceleration. If it teavell 300m in 15s calculate it acceleration
asked by akki 
Astronomy
Some quasars (quasistellar radio source) have the largest red shifts ever observed. If this phenomenon is due to cosmic expansion, what can you say about their distance? When the light we now see left the quasar, how long had the quasar existed compared
asked by Amy 
Geography  Yr10
In what ways is the Local Council involved in land management? What are they mainly responsible for?
asked by Kelly 
math
1.)Mother bought one loaf bread costing php85.00 she also bought two packs of laundry soap that costs php74.00 a pack and toothpaste that costs php86.00 a box.if she paid a 500peso bill,how much was her change? 2.)Lora is making a necklace.She needs 32
asked by joshua quiban 
Math
A frozen yogurt shop offers scoops in cake cones, waffle cones, or cups. You can get vanilla, chocolate, strawberry, pistachio, or coffee flavored frozen yogurt. If you order a single scoop, how many outcomes are in the sample space? Is the answer 3? If
asked by Rafael 
Physics
A dam 143 m above a hydroelectric generator holds 1.6 x 1015 L of water. If the generator is taken to be at a height of 0 m, how much potential energy is stored in the dam?
asked by Megan 
maths
In a class 60 childrens ,30% are girls.how many boys are there?
asked by Ashok 
chemistry
Dr Bob Could you check this please? Voltaic cellcathode is positive, accepts electrons, reduced, anode is negative, gives up electrons and is oxidized Electrolytic cellcathode is negative, accepts electrons and is reduced. Anode is positive,
asked by lulu 
Math
Mai has a piece of cloth that is 8.35 meters long. How many 15 centimeter pieces can she cut from the cloth? How much will be left over?
asked by Anna 
math
an urn contains 2 white and 2 black balls. a ball is taken at random. if the ball is white then it is not replaced otherwise it is replaced along with another ball of the same colour. find the probability that the third ball drawn is black.
asked by maths 
Chemistry
One more, confused How can you tell by the periodic chart which ions of metals are most easily reduced or oxidized. A website or video would be fine. I know it is quite involved. thanks again
asked by lulu 
Maths
If 1 pipe can fill a tank in 12 hours what fraction of the tank will be filled 4 pipes in 2hpurs
asked by Uby 
math
The table shows the results of rolling a number cube labeled one through six 50 times. (table) number rolled: 1, 2, 3, 4, 5, 6 Frequency: 7, 9, 11, 6, 9, 8 What is the experimental probability of rolling 3? 0.11 0.22 0.30 0.27
asked by FluttershyK22 
LA
This summer, we will host an exchange student from Ecuador. What is the prepositional phrase in the sentence? a) This summer b) we will host c) an exchange student d) from Ecuador **** please help!!
asked by Sally 
Grammar
Our coach, Mrs. Sterner, is very encouraging on the field. What is the appositive in the sentence? a. coach b. very encouraging c. field d.Mrs.Sterner * help! I'm bad at grammar. Ms. Sue??
asked by Sally 
Economics
What is the south african government providing and to whom
asked by Snegugu 
Algebra
Simplify into one fraction. 3/x+25/x+3 A. 8x19/(x+2)(x+3) B. 8/(x+2)(x+3)** C. 2/(x+2)(x+3) D. 2x+1/(x+2)(x+3)
asked by A 
Chemistry
A 6.5 g of zinc powder reacts completely with access HCL and 1.5 L of H2 are obtained find max volume of H2
asked by Saleh 
Math
2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15 27 48 54
asked by FluttershyK22 
Stat
Mean of 10 observations is 100. One of the observations is dropped from the data. The mean of the remaining observations is 9. What is the value of the dropped observation?
asked by S 
Geometry
In a right triangle if sinA=6/7 and cosA=4/7 what is tanA=
asked by Salma 
Math Help
Find the Area: f(x)=sin6x and g(x) = cos 12x, pi/12 less than or euqal to x is less than or equal to pi/36
asked by Cindy 
accounting
assume Ad issue 2000 shares of $ 60 par common stock for cash at $ 50. pass entry for issuance of these shares.
asked by Adugna 
math
A park needs to make a cement walkway that cuts through the park diagonally. If the length of the park is 300 meters and the width is 400 meters, how long will the walkway be?
asked by Can someone help me quickly 
history please help
1. Select a new deal program that helped improve the lives of south Carolinians. Explain what the program improved and how it helped the people of South Carolina 2. Explain how rationing affected the people on the home front during world war II. how did
asked by history 
Physics
A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a crosssectional area of 2.33 105 m2. In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force vector F of
asked by Trish 
Math/Computer
I had finished a project and the last question is making me graph something on Word. How do I graph (3, 0) on word? Thank you :)
asked by Alexia Smith 
history (reed)
.1 Which is an event of the progressive Era enacted by the local government in south Carolina? a. The first grange chapter was established for farmers b. The grandfather clause gave poor whites the right to vote c. Blacks were disfranchised through a poll
asked by abstract 
Algebra
Could you please help me with this question? Simplify 6/Square root of 32. Also, could you help me with the steps on how to figure it? Thank you. a.4/square root of 3 b. 126 to the square root of 3 c. Square root of 32 d. 3
asked by Rita 
Algebra
sorry I posted the last question wrong. The question is Simplify 6 over the square root of 3+2.SOrry Thanks
asked by Rita 
kenowa hills
When should the interviewer gather and organize the tools needed for the interview? A. during the preinterview stage B. during the interview stage C. during the postinterview stage D. during the presentation stage
asked by mo 
gum help asap
Which best completes the sentence? The damage from the storm is __________ than we thought. A. baddest B. worse C. worst
asked by liliana 
Statistics
Can someone explain to me how I got this question wrong? True/False. It is easier to reject the null hypothesis if the researcher uses a smaller alpha(a) level? I said False As alpha decreases, the rejection region also decreases.
asked by Davina 
physics
a ray enter from denser medium in to air. if angel incident is30 degree and angel of reflection in air 60 degree.find out refractive index of medium ?
asked by hina hina 
Chemistry
I got pH = 5.3 A 1.00 L buffer solution is 0.250 M in HC2H3O2 and 0.250 M in NaC2H3O2. Calculate the pH of the solution after the addition of 0.150 mol of solid NaOH. Assume no volume change upon the Additon o f NaOH. The Ka value for HC2H3O2 at 25 C is
asked by Nevaeh 
life orientation
Clealy describe a recent corruption and fraud cases in the country making headlines in the media
asked by Richard 
math
x^4+5x3 _______ 3x^2 How would I do this? I can't seem to figure out how to set this problem up. The x^4 is confusing me greatly.
asked by Jasmine 
history
How did the Nullification Crisis reflect Andrew Jackson's policies? He refused to support laws that would set up a national bank. Jackson supported a strong central government to enforce federal laws. He thought states should not use federal government
asked by summer moriarty 
math
Pedro pours 3 pints of iced tea into separate containers that can hold 1/2 pits of iced tea. how much iced tea Pedro had.
asked by bob 
alg
in the function f(x)=4(x^26x+ )+20 what number will complete the square
asked by susan