travis
Most popular questions and responses by travis
math
Write an expression to represent: Four more than the product of one and a number xxx.
asked on November 15, 2017 
Physics
In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 3.5 m away. After a running start, he leaps at an angle of 14 with respect to the flat roof while traveling at a speed of 5.6 m/s. The
asked on October 4, 2011 
Math
Find the probability using combinations.A bag contains 6 cherry, 3 orange and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability that you have all cherry candies.
asked on February 20, 2016 
Calculus
Use geometry to evaluate the integral from 0 to 6 of the function f of x, dx for f of x equals 3 for x less than or equal to 3 and equals the quantity 6 minus x for x greater than 3  27  13.5 12  10.5
asked on May 21, 2018 
math
What 2 numbers multiply to 30 but add to 16
asked on September 13, 2011 
calculus
a) Sketch a curve whose slope is always positive and increasing. b) Sketch a curve whose slope is always positive and decreasing. c) Give equations for curves with these properties. So for a, I drew a positive slope that was concave up. And for b, I drew a
asked on September 21, 2012 
calculus
Suppose f'(x) = xe^x^2. a) On what interval is f increasing? On what interval is f decreasing? b) Does f have a maximum value? Minimum value? So should I assume that f'(x) > 0 since e has to be a positive number?
asked on September 22, 2012 
Trig
Find all the solutions in the interval [0,2pi). 2sin2x  sqrt(2) = 0 sin2x = sqrt(2)/2 I'm confused by the double angle. Please help.
asked on December 2, 2008 
Calculus
The owner of a used tire store wants to construct a fence to enclose a rectangular outdoor storage area adjacent to the store, using part of the side of the store (which is 220 feet long) for part of one of the sides. (See the figure below.) There are 430
asked on March 4, 2013 
Chemistry
Which aqueous solution would you expect to have the lowest freezing point? (a) 0.10 molal glucose,C6H12O6, or (b)0.10 molal NaCl solution
asked on August 29, 2010 
Calculus
Two planes leave an airport simultaneously. One travels north at 300 mph and the other travels west at 400 mph. How fast is the distance between them changing after 10 minutes?
asked on April 6, 2017 
Calculus
A manufacturer produces bolts of fabric with a fixed width. The quantity q of this fabric (measured in yards) that is sold is a function of the selling price p (in dollars per yard), so we can write q = f(p).Then the total revenue earned with selling price
asked on March 13, 2013 
english
Imagine you are on a local commission appointed to study the lack of proper recreation facilities for youth in your neighborhood. Decide what facilities should be recommended. Write an appropriate resolution to be presented to your county government.
asked on October 26, 2009 
Chemistry
Calculate the amount of energy released when Methane is burned.
asked on March 10, 2011 
11th grade (World History)
Which ruin is about 140 miles southwest from Copan?
asked on September 2, 2008 
Math
Solve the following linear programming problems by the graphical method Dr. Lum teaches parttime at two different community colleges, Hilltop College and Serra College. Dr. Lum can teach up to 5 classes per semester. For every class taught by him at
asked on February 4, 2016 
chemistry
the thermite reaction was previously used to weld the rails of railroad tracks together. the reaction is: Fe2O3(s)+ 2Al(s)> 2Fe(l)+ Al2O3(s) (2Fe and 3 oxygen) (2Al and 3 oxygen) what masses of iron(III) oxie and aluminum must be used to produce 15.0g of
asked on January 12, 2012 
Finance
Dr. J. wants to buy a Dell computer which will cost $2,788 four years from today. He would like to set aside an equal amount at the end of each year in order to accumulate the amount needed. He can earn 7% annual return. How much should he set aside? A.
asked on December 5, 2009 
Chemistry
Calculate the amount of energy released when Butane is burned.
asked on March 10, 2011 
chemistry
Which of the following is true regarding the solubility of gases in liquids? Question 4 options: Solubility decreases as temperature increases. Solubility increases as temperature increases. Solubility is unaffected by changes in temperature. None of the
asked on October 30, 2014 
Calculus
A rectangular storage container with an open top is to have a volume of 10m^3. The length of its base is twice the width. Material for the base costs $3 per m^2. Material for the sides costs $10.8 per m^2. Find the dimensions of the container which will
asked on March 6, 2013 
math
Bill purchased 4 pens for $3.32 including $.16 sales tax. FIND THE C COST OF ONE PEN. I need to write this in an equation. Then solve that's what the worksheet says.
asked on February 17, 2011 
math algebra
a tabletop is shaped like a golden rectandle its lenth is 5 ft whats the able width
asked on February 9, 2015 
Chemistry
Calculate the amount of energy released when Ethanol is burned.
asked on March 10, 2011 
Math
Suppose that $2500 is invested at an interest rate of 2.5% per year, compounded continuously. After how many years will the initial investment be doubled?
asked on June 9, 2010 
biomechanics
During a biceps curl, the elbow's relative angle during flexion changes from 3° to 157°. During an 8 repetition set, what is the total angular distance and displacement at the elbow in degrees and radians?
asked on June 30, 2014 
chemistry
write the name or formula for a reagent that will dissolve PbCl2 but not Hg2Cl2 and AgCl?
asked on October 24, 2011 
Science
in scientific inquiry what is communicating?
asked on September 28, 2016 
Calculus
Let the length of a rod be 10 meters and the linear density of the rod ρ(x) be written in the form ρ(x) = ax + b with x = 0 representing the left end of the rod and x = 10 representing the right end of the rod. If the density of the rod is 2kg/m at the
asked on May 4, 2017 
Geometry
If all of the diagonals are drawn from a vertex of a pentagon, how many triangles are formed?
asked on January 4, 2018 
Math
A bag contains 5 red balls, 4 white balls, and 3 black balls. Two balls are drawn without replacement. What is the probability that at least one ball drawn is white?
asked on March 4, 2016 
Government
how could i explain the unitary, confederate, and federal systems of government in a five hundred word essay
asked on October 7, 2009 
Chemistry
I have this question in front of me concerning Methanol (CH3OH) & how geseous methanol is formed via the following thermochemical equation: CO(g)+2H2(g)¡êCH3OH(g)∆H=90kJ . Now, it asks me (explanations should show a clear understanding of how Le
asked on February 7, 2007 
Physics
Consider the diagram shown below of a stationary 8 kg mass suspended from the ceiling by two inextensible ropes Draw a scale diagram
asked on February 4, 2015 
geometry
The bases of a trapezoid measure 1/4 and 3/8 inches, and the height is 1 inch. What is the area of the trapezoid?
asked on March 10, 2010 
Physics
Aperson walks37.7◦ northofeast for 3.54km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk?
asked on September 12, 2018 
Chemistry
"The sun emits UV radiation that can have serious health consequences. In particular, socalled UVB radiation is mostly absorbed by the ozone layer in the upper atmosphere (altitudes of 10  50 km), but the part that reaches the earth can cause DNA
asked on September 13, 2012 
calculus
find the centroid of the region bounded by x^212x and the xaxis
asked on November 28, 2010 
Physical Science
A 144 kg park bench made of iron sits in the sun and its temperature increases from 25 degrees celsius to 35 degrees celsius. How many kilojoules of energy does the bench absorb?
asked on September 14, 2015 
Calculus
A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 4 9 5 0 5 0 6 9 4 5 5 9 5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)
asked on April 4, 2013 
English
Which of the following sentences has a compound predicate? A. She raced along the path to beat him to the beach. B. While he swam, she collected shells. C. She washed the shells and dried them in the sun. D. She placed the shells in a plastic bag while he
asked on July 6, 2006 
Math
Find the volume of water required to fill a pool with a diameter of 6m and a height of 2m. Keep in mind that the water must travel through a hose before it goes into the pool. Assume the hose is a perfect cylinder. The length of the hose is 8m and the
asked on December 14, 2015 
government
write several paragraphs stating advantages and disadvantages to the unitary, confederate, and federal systems of government.
asked on October 26, 2009 
Math
I tried answering this and pending how I read it I get several answers. Any help out there 1. A box of crackers has a mass of p kilograms. When empty, the box has a mass of 200 grams. What is the total mass of the crackers in 5 such boxes? Express your
asked on December 12, 2016 
Math
If i have 3 inch squares cut out the corners of a rectangular shaped piece of cardboard...after folding the the to form a box the length is twice as long as it is wide and has a volume of 1350 cubic inces...what are the dimensions
asked on February 20, 2013 
Physicis
Airplane staring from airport a flies 300 km east then 395 km 26.5 degrees west of north, and then 150 km north to arrive at airport b. what angle is the straight flight from a to b north of east and how far
asked on October 2, 2013 
Calculus
A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 4 9 5 0 5 0 6 9 4 5 5 9 5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)
asked on April 4, 2013 
chemistry
Water (H20) is a liquid at room temperature and atmospheric pressure whereas hydrogen sulfide (H2S) is a gas under the same conditions. Based on this information, what can you say about the intermolecular interactions in these two substances. So would this
asked on September 16, 2012 
Logic
For each of the following enthymemes, identify the premise(s) and the conclusion, and fill in any missing premises or missing conclusions. If possible, fill in what is missing in such a way as to make the arguments valid. It is possible that nothing
asked on February 8, 2008 
Homeowork
I basically just have trouble staying focused and doing my homework, and often get discouraged when it looks long how can I keep myself on track, because hw is my biggest issue? Go here , with your mom. http://www.pinkmonkey.com/electricdesk/elecdesk.asp
asked on May 1, 2007 
Biology
Can anyone help me with this one question that I'm stumped on? The process by which a webspinning spider makes a "sketch" of a web design before making a permanent web is called  A. lockstep sequence B. simulation C. trial and error D. cinch and attach
asked on September 27, 2006 
calculus
Differentiate: 1/s+ke^s Do I just use the quotient rule? Thanks
asked on September 23, 2012 
us history
The ancient Greek citystate of Athens was _____.
asked on June 22, 2010 
Debate
Hello, I have to create a debate for my English class. I am debating a difficult topic, and I was hoping I could get some good ideas on where to start. My topic is that I have to prove that love is not nessicary for survival. Does anyone have any good
asked on February 4, 2007 
Math
I tried answering this and pending how I read it I get several answers. Any help out there 1. A box of crackers has a mass of p kilograms. When empty, the box has a mass of 200 grams. What is the total mass of the crackers in 5 such boxes? Express your
asked on December 13, 2016 
Math
Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. 15x+3
asked on January 29, 2016 
Chemistry
Write the chemical symbol for the atomic species with 35 electrons and a charge of +34 on the nucleus. Does the +34 charge just mean the number of protons? And then 35 electrons would give it a  charge so it would be Se? Or am I looking at this question
asked on September 15, 2012 
chemistry
Calculate the activation energy (in Joules) for a reaction whose rate constant doubles when the temperature is raised from 298 K to 500 K. Take R to be 8.314 J/Kmol.
asked on October 13, 2011 
accounting
Is it necessary for a finance manager to understand accounting if the firm has a professional accountant on staff and why?
asked on January 2, 2010 
Math
What is 1+1
asked on September 29, 2016 
algebra 2
simplify:(4xy^2)^3
asked on September 1, 2015 
calculus
Find the values of p for which the following series is convergent. The sum from n=2 to infinity of 1/(n(ln(n))^p). I tried the integral test using usubstitution, and I know the answer is p>1, but I'm not quite sure how to get there. Thanks for the help.
asked on February 10, 2013 
Calculus
Use implicit differentiation to find dy/dx. e^4x = sin(x+2y). This is a practice problem. It says the correct answer is 4e^x/(2sin(x+2y)) but I keep getting 4e^(4x)/(2cos(x+2y)). I thought the derivative of e^(4x) would be 4e^(4x), not 4e^(x). And I use
asked on October 6, 2012 
chemistry
Very carefully, but breifly discuss, with specific example, Le Chatelier Principle and its relationship to common ion effect.
asked on October 13, 2011 
algebra
10+2[2+(1+1)2 to the 2nd power]
asked on August 31, 2010 
Math
explain how to add 96+79 using a 300 chart? I do not know what a 300 chart is.
asked on October 10, 2007 
Calculus
Use the disk method to find the volume of the solid generated by revolving about the yaxis the region bounded by the curves y=8−x^2 and the curve y=x^2.
asked on April 25, 2017 
geometry
Prove: △ABC has at least one angle with measure 60° or less
asked on February 18, 2015 
Calculus
If f(3)=−3, g(3)=9, f′(3)=1, and g′(3)=2, Find (f/(f−g))′(3).
asked on March 14, 2013 
Calculus
Prove that the integral from 0 to 2 of sqrt(4x^2)dx = pi Should I use a trip substitution for this? Thanks for the help.
asked on November 5, 2012 
chemistry
"The sun emits UV radiation that can have serious health consequences. In particular, socalled UVB radiation is mostly absorbed by the ozone layer in the upper atmosphere (altitudes of 10  50 km), but the part that reaches the earth can cause DNA
asked on September 14, 2012 
chemistry
5.0% glucose has a specific gravity of 1.02. what is the mass of 470mL of glucose solution.
asked on September 3, 2012 
Chemistry
What happens in confirmatory test for bismuth? What happens in confirmatory test for copper? What happens in confirmatory test for arsenic? Please help! an you explain in detail. even a link explaining it would help
asked on October 31, 2011 
science
Animal cells and plant cells have an outer covering, a _____. Their control center is called a _______.
asked on August 18, 2010 
computer science
Please design the ¡§Classes¡¨ that will work together for the implementation of the User Case ¡§Validate User¡¨ in the ATM machine. its just want us o write a diagram..
asked on June 7, 2010 
math
What do you do if the bottom number of a fraction is greater than the top number and you are subtracting?
asked on April 29, 2010 
math
what do we call numbers that cannot be arranged into 2row arrays? A matrix of order 2 x n. n is the number of entires in each row.
asked on August 24, 2006 
math
andy and april shared pie.Andy ate 2/5 of the pie april ate 1/3 how much did they eat all together
asked on April 6, 2015 
calculus
f''(x) = (3x^3  5x^2 + 1) / x^2; and f(1) = 0, f(1) = 1. So i turn f''(x) into (3x^3  5x^2 + 1)(x^2) and multiply to get f''(x) = 3x  5 + x^2 So f'(x) = (3/2)x^2  5x  (1/x) + c And f(x) = (1/2)x^3  (5/2)x^2  ln(x) + cx + d Not really sure what to
asked on November 3, 2012 
Chemistry
Specify the number of core and valence electrons for Ti^2+ Can I just pretend that this ion is calcium and calculate the valence electrons that way? So 18 core, 2 valence?
asked on September 15, 2012 
general
What are the various longterm and shortterm impacts of food wastage? Please give answers from multiple area eg. cultural,social,economics etc. Global warming I have found out about it so please give a more insightful answe
asked on April 2, 2012 
Science
Name three different agents of erosion that might move a rock once it has been weathered?
asked on March 5, 2008 
Germany and China
I need to know if Germany and China both have liability insurance and what does it cover? (need references) also driving under the influence/BAC and punishment for (both countries) are selt belts required for these countries? Thank you for using the Jiskha
asked on March 27, 2007 
Education
How are the “image of the child” and the “image of the teacher connected"?
asked on November 25, 2015 
Math
I am a 5digit whole number. I have 4 different digits. There are no 7s or 5s and I only have one 2. My hundreds digit is the least. My tens digit is odd and is the sum of all the other digits. What number could I be?
asked on December 13, 2010 
college algebra
Find the arc of the following: f(x)=x^28x+15 from x=4 to x=6
asked on September 16, 2010 
college algebra
10+2[2+(1+1)2^2]
asked on August 31, 2010

Math 2
THE ANSWER IS 50
posted on April 19, 2019 
Social Studies
THANKS ANON I GOT 10/10 AND I WON'T FAIL THIS GRADE
posted on January 31, 2019 
Educational Tech and Online learning
thanks
posted on December 11, 2018 
English Check!! The Cay
thank yall so much I made 100 with the last answers XD
posted on December 5, 2018 
Math
thank you naitter!!
posted on October 2, 2018 
science
I used shaylans answers 100
posted on October 2, 2018 
marketing
C.
posted on May 29, 2018 
Math
Well 4 quarts equals a gallon. She filled the 2 quart pitcher 6 times, so you would multiply 2 by 6 equaling 12 total quarts. Divide that 12 by 4 and you would get 3 gallons.
posted on April 25, 2017 
Finite Math
Thank you reiny i love u
posted on February 8, 2017 
math
6(99v)
posted on December 7, 2016 
Physics
This is correct, thanks!
posted on October 2, 2016 
science
I don't know how to solve this. Please help me!!!!!
posted on September 28, 2016