Key
Popular questions and responses by Key
algebra
One serving of oatmeal has 8 grams of fiber, which is 34% of the recommended daily amount. What is the total recommended amount of fiber? Round to the nearest whole number.
asked on August 30, 2017 
College Algebra
Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more thank three times a number is between 23 and 32. Write a compound inequality that shows the range of numbers that Penelope might
asked on September 8, 2017 
chemistry
Need Help Finishing: Purpose: • To observe a chemical reaction. Materials: • Vinegar (acetic acid, CH3COOH) • Baking soda (NaHCO3) • Measuring cups and spoons • Cup Procedure: 1. Place ½ cup of vinegar in the cup. 2. Add 1 tablespoon on baking
asked on January 21, 2007 
College Algebra
A 30foot string of lights will be attached to the top of a 24foot pole for a holiday display. How far away from the base of the pole should the end of the string of lights be anchored.
asked on September 1, 2017 
College Algebra
A chicken farm ideally produces 300,000 eggs per day, but this total can vary by as much as 12,500 eggs per day. What is the maximum and minimum expected production at the farm?
asked on September 9, 2017 
english
Rewrite the following sentence correctly using colons and/or semicolons. The semester was almost over consequently, many students were frantically studying.
asked on September 12, 2018 
Algebra
Penelope is playing a number game with her sister June. Penelope is thinking of a number and wants June to guess it. Five more thank three times a number is between 23 and 32. Write a compound inequality that shows the range of numbers that Penelope might
asked on September 9, 2017 
chemistry check
1. 48 KNO3+ _ C 12 H22O11„³ ? CO2+ _ N2+ _ K2CO3+ _ H2O a. 12 b. 24 s c. 36 d. 48 The reaction is 48 KNO3 + 5 C12H22O11 > 24 K2CO3 + 36 CO2 + 55 H2O + 24 N2 So the answer is C =36 2. 6 KNO3+ _ S + ? H2O„³ _ H2SO4+ _ N2+ _ K2SO4 a. 2 b. 4 c. 6 d. 8
asked on January 24, 2007 
math
find the exact coordinates of the point on a circle of radius 5 at an angle of 5pi/3. thanks for any help! (:
asked on March 10, 2020 
chem
PLEEEZE help name the type of reaction K + MgBr > Not enough information is provided. And not magnesium bromide is MgBr2. Is this a solution phase or exactly how is the K metal added to the MgBr2? As DrBob has indicated, not all of the information has
asked on February 19, 2007 
chemistry
Predict the precipitate that forms: HCl + AgNO3 > ??? i don't know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question
asked on January 29, 2007 
Math
In the game SCRABBLE, there are 100 tiles. Two tiles are blank. Here is the number of tiles for each letter. Letter Number of Tiles Letter Number of Tiles A 9 N 6 B 2 O 8 C 2 P 2 D 4 Q 1 E 12 R 6 F 2 S 4 G 3 T 6 H 2 U 4 I 9 V 2 J 1 W 2 K 1 X 1 L 4 Y 2 M 2
asked on April 17, 2018 
chemistry
could someone check my answers to see if they are right? Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 6 KNO3+ _ S + ? H2O _ H2SO4+ _ N2+ _ K2SO4 answer:6KNO3 + 5S + 2H2O > 3 K2SO4 + 3N2
asked on January 24, 2007 
physics
A steel rod is 3cm in diameter at 25C. A brass ring has an interior diameter hole of 2.994cm at 25C. At what common temp will the ring just slide onto the rod? alpha(steel) 11x10^6 alpha(brass)= 19x10^6
asked on September 4, 2013 
geography
Which countries in southwest Asia are democracies
asked on April 12, 2019 
chemistry check
please check Write the balanced equation, with the enthalpy component, for the rusting process, given that Hf for iron and oxygen is 0 and Hf for ferric oxide is 826 kJ/mol. 4 Fe (s) + 3 O2 (g) > 2 Fe2O3 (s) You need to add the heat one of three
asked on February 8, 2007 
Chemistry
Is this correct? Thanks. What is the standard cell potential? Pb2+ ( aq ) + 2e „³ Pb (s) 0.13V Mn2+ ( aq ) + 2e „³ Mn (s) 1.19V Pb2+ ( aq ) + 2e „³ Pb (s) 0.13V Mn (s) „³ Mn2+ ( aq ) + 2e ¡V +1.19V The electrode potential for a given cell,
asked on March 22, 2007 
geometry
Some irragation spray water in a circular pattern. you can adjust the nozzle to spray in certain directions. the nozzle in my diagram is set so it does not spray on the house. if the spray has a radius of 12 feet what is the approximate length of the arc
asked on December 1, 2010 
Math
Graph the inequality on the numberline and then write it in interval notation. 2/3a1/4a
asked on September 4, 2017 
geometry
the triangles formed by two ladders leaning against a wall are similar. how long is the shorter ladder? the first ladder is 42ft and leans against the wall at 24ft, and the shorter ladder leans against the wall at 8ft.
asked on March 10, 2020 
chemistry
what are some the different types of chemical reactions that occur on a daily basis our lives? wouldnt there be many? eating, taking medications, would emotion be or cause chemical reaction? All of the above. Add breathing. Don't forget the cars we drive,
asked on February 14, 2007 
chemistry
are these endothermic or exothermic? 2H2O2 (l) ¨ 2H2O(l) + O2(g) ∆H = 190 kj C(s) + H2O (g) ¨ CO (g) + H2 (g) ∆H = +113 A negative delta H means the heat is given up by the reaction. A + delta H means the heat is added to the reaction. thanks
asked on February 5, 2007 
Algebra
Solve for x ax^2  2ax  4 =0
asked on December 23, 2016 
math
find the zeros of the function by rewriting the function in intercept form? y=81x^216
asked on January 1, 2009 
algebra
simplify log 10^36  2(10^log 12) a. 108 b. 0.25 c. 1.5 d. 12
asked on March 17, 2020 
Finance
Cash Equation: Bettendorf Corporation has a book net worth of $17,800. The company's longterm debt is $6,900. Its net working capital, excluding cash, is $1,600. Its fixed assets are $21,300. How much cash does the company have? If the current liabilities
asked on December 17, 2014 
physics
An ideal gas, for which gamma=1.5, undergoes an adiabatic expansion in which its volume is doubled. if the initial temp if the gas is 27 C, what is the final temperature of the gas?
asked on September 4, 2013 
chemistry
Do any of you think that spontaneous combustion is possible? If a reaction brings about an increase of entropy (increase in randomness) and also exodermic, then a reaction is spontaneous. Right? Yes, I think spontaneous combustion is possible. It happens.
asked on April 16, 2007 
chemistry
having trouble posting but will try again. translate the following verbal description into scientific notation. magnesium ribbon is burned in pure oxygen gas. thanks The reaction forms magnesium oxide (MgO). Se if you can write the balanced reaction.
asked on January 19, 2007 
Business Ethics
Neka Kiser, vice president of operations for Mountain National Bank, has instructed the bank’s computer programmer to use a 365day year to compute interest on depository accounts (payables). Neka also instructed the programmer to use a 360day year to
asked on November 22, 2008 
chemistry
i had a lab that combined 1/2 cup of H2O2 (118.3 ml) and 2 tsp of yeast. is the equation for the reaction 2H2O > 2H2O + O2 what would the mass be for each product in the reation? Is the density of H2O2 1.4g/ml? Here is some interesting reading on this
asked on January 29, 2007 
algebra
Two trains leave stations 50 miles apart at the same time heading toward one another on parallel tracks. Train A is traveling 20 miles an hour and Train B is traveling 30 miles an hour. They pass eachother in how many hour(s).
asked on June 18, 2013 
chemistry
thanks for any help with these translations into scientific notation: 1. magnesium ribbion is dropped into an aqueous solution of hydrochloric acid 2. a solid peice of copper is burned in pure oxygen 3. zinc carbonate is strongly heated in a crucible 4.
asked on January 19, 2007 
College Algebra
The sum of three consecutive integers is −99. Find the three integers.
asked on August 30, 2017 
math
Think about it ... Julie says that a rotation of 180° around the origin is the same as the reflection in the xaxis followed by a reflection in the yaxis. Is Julie correct? Justify your answer and be sure to include a diagram. I just wanna know does
asked on April 24, 2018 
Algebra : Please Help?
3. How to graph f(x)=3x^21. 4. How to graph f(x)=2\sqrt{x}.
asked on September 18, 2017 
philosophy
what would john locke think about the scifi movie "total recall" He believed men were driven by greed. The villian in the movie was just as greedy as they come. http://en.wikipedia.org/wiki/John_Locke
asked on May 7, 2007 
psychologgy
I am having trouble with this assignment. I don't want answers to all of these but if you could help me with one so i get an idea of the assignment. no chart needed just an example. pleeze. thanks Using a simple chart for display, create mnemonics for the
asked on March 9, 2007 
chemistry
I was way off on the other problem. But I see how you got the answer. Last one...thanks i'm learning more here thn class What is the sum of the coefficients (including “1”) of the following reaction? Sodium sulfate + calcium hydroxide ??? Write the
asked on January 29, 2007 
chemistry
thanks DrB I got AgCl also Could you check this problem as well? If you start with .500 moles of NaF, how many moles of CaF will form? I got .250 that is correct as far as i know i got the same thing That's correct. Your answer is right. I can only assume
asked on January 29, 2007 
chemistry
Translate the following verbal descriptions of reactions into scientific notation. Be on the lookout for diatomic molecules. 1.
asked on January 19, 2007 
Algebra
1.what is the range of f(x)=2. 2. How to graph f(x)=5x. 3. How to graph f(x)=3x^21. 4. How to graph f(x)=2\sqrt{x}. 5. How do we graph 4/x/. 6.It is curved at 1 on the graph. How to solve f(x)=2.
asked on September 17, 2017 
Math
10 animals 36 legs How many have 2 How many have 4 10X2 =20 3620 = 16 Is that right?
asked on February 21, 2017 
help...chemistry
i am stumped on this. please help. Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 48KNO3 + _ C12H22O11 > ? CO2 +_ N2 + _K2CO3 +_ H2O thanks I left the CO2 for you but it will balance.
asked on January 21, 2007 
psychology
Are there ways to revise current IQ tests and improve them so they are not culturally biased? Here are a couple of very interesting sites that may give you some good ideas. www.psychpage.com/learning/library/intell/biased.html
asked on January 11, 2007 
psychology
why is the Cognitive theory the most popular among contemporary therapists. I'm not sure what you mean by "popular." Very often therapists are relatively eclectic, using the best aspects of several theories rather than just one. It also depends on which
asked on February 15, 2007 
chemistry help
If you start with 20.0 grams CaCO3, how many moles of CaCO3 do you have? mols = g/molar mass. Approximately 0.200 mols.
asked on January 29, 2007 
chemistry help
i have come up with two answers but i am not sure which one is correct. please help. Balance the following equation and give the value of the stoichiometric coefficient marked with a question mark. 1. 48 KNO3+ 5C12 H22O11 ? CO2+ 24N2+ 24 K2CO3+55 H2O a.
asked on January 24, 2007 
psychology
What do the results of twins studies on IQ say about John Locke’s theory? (Broken Link Removed) Here are some quotes to assist you in this nature vs nurture debate. The last really answers your question. The others mainly point out the fallacies
asked on January 11, 2007 
Algebra : Please Help?
3. How to graph f(x)=3x^21. 4. How to graph f(x)=2\sqrt{x}.
asked on September 17, 2017 
College Algebra
1. −2b+1−5=−9 2. −4a+5+3=−13
asked on September 9, 2017 
College Algebra
The ice rink sold 90 tickets for the afternoon session, for a total of $700. General admission tickets cost $10 and youth tickets cost $6 each. How many of each kind of tickets were sold?
asked on September 3, 2017 
math
how can we write 4√2 as a decimal
asked on September 1, 2017 
algebra
For the polynomial function, find f (1) and f (2) f (x) = x2 + 5 x3  6 f (1) = ? f (2) = ?
asked on February 18, 2016 
chemistry check
What is the sum of the coefficients (including “1”) of the following reaction? Sodium sulfate + calcium hydroxide ??? Na2SO4 + Ca (OH)2 > 2 NaOH + CaSO4 a. 4 b. 5 c. 6 d. 7 e. 9 the sum of coefficients are = 1 + 1 + 2 +1 = 5 Goodness, you add the
asked on January 30, 2007 
chemistry
may i get some help with this.. Translate the following verbal descriptions of reactions into scientific notation. Be on the lookout for diatomic molecules. 1.
asked on January 19, 2007 
Algebra
how write 4 square root of 2 in decimals.
asked on September 1, 2017 
math
Are all quadratics of the form y = ax^2+bx +c and y = ax^2+bx +c functions? Explain your answer.
asked on May 6, 2013 
math
solve the equation (x5)^2=10
asked on January 2, 2009 
chemistry
Could you explain this problem to me? What is the sum of the coefficients (including “1”) of the balanced equation? __CaCO3 + __NaF __ CaF2 + __Na2CO3 a.
asked on January 29, 2007 
math
use the quadratic formula to solve the equation: x^2+10x10=0
asked on January 4, 2009 
math
solve the equation 3(x+2)^24=11
asked on January 3, 2009 
math
11 3 1/2
asked on December 2, 2010

geography
Cyrus, lebanon, Israel, and yemen
posted on April 12, 2019 
Geometry
Yes a year later he still needs help :(
posted on February 19, 2019 
PreCal
93•10^6
posted on December 6, 2018 
math
Thank you very much ^^
posted on April 24, 2018 
Math
Thank you
posted on April 17, 2018 
circle
133
posted on May 10, 2017 
Geometry
133
posted on May 10, 2017 
MATH Prob.
A charity is holding a raffle and sells 2000 tickets for $2 each. One ticket will win a grand prize of $500. Two other tickets will be selected to win consolation prizes of $50 each. Find the expected value if you buy one raffle ticket.
posted on October 5, 2016 
Physics
someone help him out, we all need a chance
posted on May 11, 2016 
nonfiction
YALL BE LIEIN
posted on October 14, 2013 
budgeting
COLA raises are linked to
posted on November 27, 2012 
budgeting
Which one of the following statements best describes a budget "blind spot"? A. Too little money was set aside to cover an expense. B. This is an expense the person overlooked or did not account for when setting up the budget. C. This is an item that
posted on November 27, 2012 
Romeo and Juliet Help (24 hours and no response)
what warning does the princes issue to the Capulet and Montagues?
posted on March 7, 2012 
chemistry
28
posted on October 30, 2011 
ECG Help  Bio
isn't it 1Hz, because it's from peak to trough, which is not one cycle!
posted on October 18, 2010 
Geography
read pages 401 to 403 in your book
posted on September 7, 2010 
math
is it 16
posted on January 1, 2009 
algerbra
7x
posted on April 1, 2008