kj
Most popular questions and responses by kj
LA
Which best describes the climax of the story? 1 Chris and Taylor have been neighbors for years. During the summer, they enjoy biking on the trails in town. Chris always has to remind Taylor to wear his helmet or else Taylor forgets. Every time that
asked on October 2, 2017 
Chemistry
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.010 M CH3CO2Na? Assume the volumes of the solution are additive and that Ka = 1.8 x 105 for CH3CO2H. 4. How is this solved?
asked on November 4, 2014 
physics
Two ropes are attached to a skater as sketched in the figure below and exert forces on her as shown. Find the magnitude and direction of the total force exerted by the ropes on the skater if θ1 = 32.0° and θ2 = 53.0°. what is the magnitude and
asked on February 21, 2009 
ALGEBRA 1
I really don't understand please help with answers and explanations. Follow the instructions for the following inequalities. 1. 42 Add 5 to both sides, then add 3, then add (4) 3. 4
asked on January 29, 2019 
math
The scale for a map says that 1 cm is equal to 25 miles. Jennifer measures the distance between two cities as 4.5 cm. How far apart are the cities?
asked on October 12, 2015 
physics
Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 80 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 11 m above the floor,
asked on February 21, 2009 
physics
The three forces shown in the figure below act on a particle (with F1 = 48.0 N, F2 = 58.0 N, θ1 = 63.0°, and θ2 = 27.0°). If the particle is in translational equilibrium, find F3, the magnitude of force 3 and the angle θ3. F3 = 1 N θ3 = 2°
asked on February 21, 2009 
math
a student answered 86 problems on a test correctly and recieved a grade 98%.How many problems were on the test, if all the problems were worth the same number of points? (Round to the Nearest whole number.)
asked on October 1, 2019 
Maths
Four persons are chosen at random from a group of 10 persons consisting of 4 men and 6 women. Three of the women are sisters. Calculate the probabilities that the four persons chosen will a) Consist of 4 women. b) Consist of 2 women and 2 men c) Include
asked on March 9, 2016 
physics
A rock is dropped from a very tall tower. If it takes 4.1 s for the rock to reach the ground, what is the height of the tower?
asked on February 13, 2009 
Chemistry
What volume of H2 gas (in liters), measured at 23 °C and 678 torr, can be obtained by reacting 7.59 g of zinc metal with 124 mL of 0.302 M HCl? Zn + 2HCl > ZnCl2 + H2
asked on November 30, 2014 
Algebra
What is the sum of 38 and twice a number is 124. Find the number 43 The sum of 38 and twice a number is 124. Find the number.
asked on December 9, 2006 
Math
the perimeter of an isosceles triangle is 73 cm. the base measures 3 cm more than one half the measure of a leg. what is the measure of each side of the triangle
asked on January 17, 2018 
Economics
Suppose you earned $50,000 last year, and inflation is at 5%. You receive a salary increase of $2,000. Explain your increase salary in nominal and real terms. Did you receive an increase?
asked on November 26, 2012 
physics
A flag of mass 2.2 kg is supported by a single rope as shown in the figure below. A strong horizontal wind exerts a force of 10 N on the flag. Find the tension in the rope and the angle θ the rope makes with the horizontal. Tension = N θ = °
asked on February 21, 2009 
Physics
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.05 s. At the end of this time, the boat continues for an additional 6.15 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at 1.49 m/s2 for 8.50 s. (a) What is the
asked on September 7, 2011 
physicss please help
Calculate the terminal velocity for a baseball. A baseball's diameter is approximately d = 0.073 m, and its mass is m = 0.146 kg. Express your answer in meters per second and miles per hour. (Assume a drag coefficient of 1 and air density of 1.3 kg/m3.) __
asked on February 14, 2009 
physics
The diameters of Earth and the Sun are approximately 1.3 107 m and 1.4 109 m respectively, and the average SunEarth distance is 1.5 1011 m. Consider a scale model of the solar system, where Earth is represented by a peppercorn 2.3 mm in diameter.
asked on January 28, 2009 
Spanish 1
_______esta la silla? whic word best fits? hay,Que,Donde, or Como?
asked on December 14, 2011 
math
A display case of toy rings are marked 5 for $1. If Zach wants to buy 50 toy rings, how much will Zach spend (not including tax)?
asked on February 7, 2018 
math 3
Peter is playing a game where a tensided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of a
asked on June 11, 2012 
physics
One afternoon, a couple walks fiveeighths of the way around a circular lake, the radius of which is 1.45 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel?
asked on September 7, 2011 
physics!!
The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object
asked on February 3, 2009 
physics (plz help)
In SI units, acceleration is measured in units of meters per second squared (m/s2). Which of the following combinations of units can also be used to measure acceleration? km/s2 cm/s miles per hour m3/(mm2 · s2) cm/s2 miles/(minutes)2
asked on February 2, 2009 
physics
A senior citizen walks 275 m in 25 min going around a shopping mall. If she wants to increase her average speed by 25 % in walking a second lap, what would her travel time in minutes have to be?
asked on June 1, 2014 
math 3
Peter is playing a game where a tensided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of a
asked on June 11, 2012 
Physics
What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 5.8 m/s when going down a slope for 2.8 s? How far does the skier travel in this time?
asked on September 7, 2011 
Chemistry
when a platinum wire dipped into an unknown solution was held over a Bunsen burner flame, an intense purple colour resulted. when 6 drops of 1M AgNO3(aq) in 6MHNO3(aq) was added to this solution, a whitecoloured precipitate formed. What is the chemical
asked on September 29, 2010 
Chemistry
Calculate the final temperature of 244 of water initially at 35 upon absorption of 20 of heat
asked on February 5, 2013 
science
Most proteins (do or don't) pass through the plasma membrane? Explain? Substances that dissolve in (lipids or water) can more readily pass across the plasma membrane. Explain Ions can cross the plasma membrane more easily if they have the (same or
asked on September 18, 2011 
PreAlgebra
Can someone show me how to solve this problem step by step?Here is the problem, 26cm/s= m/min,how to solve it by convert rate suing dimensional analysis.
asked on January 1, 2011 
PreAlgebra
Can anyone show me step by step how to solve this problem? 26cm/s = m/min convert this problem using dimensional analysis.kj
asked on January 1, 2011 
physics!!
The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object
asked on February 3, 2009 
physics
A vector has components Ax = 44 m and Ay = 30 m. Find the length of the vector vector A and the angle it makes with the x axis. in meters and in degrees
asked on January 28, 2009 
physics
In SI units, force is measured in newtons, with 1 N = 1 kg · m/s2. Which of the following combinations of units can also be used to measure force? 1 kg · m4/(s2 · cm3) g · cm2/s kg · miles/(minutes)2 g · cm/s2 g · m/s
asked on February 7, 2009 
physhic
For every reaction there is an exact opposite reaction. True! The question one could ask and explore is what came first? or who or what the reaction is. Could we agree good is supieror to evil just to make my point your preference, makes no difference. If
asked on February 8, 2016 
6 grade Math
241.5 grams of gold has a volume of 12.5 cubic cm. what is the volume of 193.2 grams of gold How do you set this problem up?
asked on November 30, 2015 
Math
What is... 4,078 rounded to the nearest thousand? 2,093 rounded to the nearest thousand?
asked on September 1, 2014 
chemistry
How many liters of 0.50M NaOH must be added to 125 mL of 0.75M HCL to neutralize it
asked on May 19, 2013 
math
(w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression
asked on March 13, 2013 
PreAlgebra
Can anyone show me step by step how to solve this problem? 26cm/s = m/min convert this problem using dimensional analysis.What is the answer and how did you get it?Thanks,kj
asked on January 1, 2011 
physicsss
A cable attached to a block of mass 11 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 5.3 N, what is the coefficient of kinetic friction between the block and the floor?
asked on February 14, 2009 
Science
How many Blades of grass would be eaten by a rabbit one fox? How long is the grass? What time period?
asked on May 22, 2007 
Math
What is 5,210 rounded to the nearest hundred? 90 rounded to the nearest hundred?
asked on September 1, 2014 
CHEMISTRy
predict the product of the following: a.) Ca + H + OH => b.) Pb(NO3)2 + Cu =>
asked on March 29, 2013 
german
I have to write a slogan in german that is a command using the four different types of command forms (du, ihr, wir, Sie), and I need help figuring out how to write them. The slogan I am using is "Get your own box." from cheezits. How would I write them in
asked on January 21, 2011 
physics!!
You are a secret agent and find that you have been pushed out of an airplane without a parachute. Fortunately, you are wearing a large overcoat (as secret agents often do). Thinking quickly, you are able to spread out and hold the overcoat so that you
asked on February 14, 2009 
physics
A jogger maintains a speed of 2.5 m/s for 188 m until he encounters a stoplight, and he abruptly stops and waits 27 s for the light to change. He then resumes his exercise and maintains a speed of 3.6 m/s for the remaining 51 m to his home. (a) What was
asked on February 2, 2009 
physics
A brass ball weighs 270gram in air and when it was immersed in water,it displaced 30 ml of water .how much will the ball weigh in water?
asked on March 13, 2014 
math
dee went shopping she had 75 dollars to spend. At one store, she bought a dress and a tube of lipstick. The lipstick was half the price of the dress. she then spent half of what she had left on a pair of shoes. This left her with 13 dollars. How much was
asked on July 2, 2012 
PreAlgebra
Victoria you helped me with the last problem can you help me again with this one please? 26cm/s=m/min. Convert this using the dimensional analysis.Thankyou.kj
asked on January 1, 2011 
PreAlgebra
can someone show me how step by step to convert this problem 45 mi/h=ft/s using dimensional analysis?Thanks.kj
asked on January 1, 2011 
adanced algebra
how long will it take to make $9944. dollars at 1.25 interest when i already have $7500. I have to make line graph of each year.
asked on August 17, 2013 
social studies
What does it mean when they ask my identity? Do I include sports future, likes and dislikes, education,etc.
asked on September 30, 2007

Health
Boo
posted on November 5, 2019 
Social Studies
Yay he’s right
posted on October 30, 2019 
Social Studies
sup peeps
posted on October 30, 2019 
Social Studies
Wait who is it then
posted on September 30, 2019 
Social Studies
I think
posted on September 30, 2019 
Social Studies
And its MRS sue
posted on September 30, 2019 
History
CAA is correct woah motion
posted on September 29, 2019 
math
Miss sue you deserve better
posted on September 28, 2019 
math
Omg inappropriate
posted on September 28, 2019 
Science helpppp
Just hit the woah thanks
posted on September 27, 2019 
Science
Just hit the woah CA CA is correct
posted on September 27, 2019 
History
Fye is right I got a 100!!!!!
posted on September 20, 2019 
science
17 20 what did yall put
posted on September 13, 2019 
Math
.08x = 80000 80000/.08 = x x= $1,000,000
posted on August 20, 2019 
history
what is it
posted on July 25, 2019 
English
k
posted on July 8, 2019 
ALGEBRA 1
What about 2 and 3 how will I go about answering those?
posted on January 30, 2019 
Trigonometry
h
posted on July 3, 2018 
English
a
posted on May 3, 2018 
Math
You save money in a shoebox under your bed. At first, you had $16.25 in the box. Each week you put your $3 in the shoebox. You spend $4.25 on ice cream each week. In how many weeks will your money run out?
posted on February 16, 2018 
PreAlgebra
I want to know the answer
posted on February 3, 2018 
Programming
37.5
posted on October 4, 2017 
Physics
1.0 x 10^7
posted on June 12, 2017 
Math
thank you
posted on May 1, 2017 
Language Arts
thank you so much
posted on April 20, 2017 
Health
thx boo
posted on April 14, 2017 
english check answer
Select the rebuttal statement that BEST refutes the viewpoint in section one. A) It is necessary to oversee the athletes involved in mixed martial arts. B) It is unnecessary to oversee the athletes involved in mixed martial arts. C) It is necessary for
posted on March 20, 2017 
math
which expression has the same value as 3+(5)
posted on November 17, 2016 
PHYSICS
9 kg
posted on November 3, 2016 
physics... last one
kjkkk
posted on October 10, 2016 
chemistry
55.3
posted on March 13, 2016 
science
jl
posted on March 11, 2016 
Finance
36%
posted on July 26, 2015 
GEOMETRY MIDPOINT FORMULA steve how did this hapn
What formula did you use?
posted on November 14, 2014 
ethics
Proportionality
posted on November 5, 2014 
math
12+13 which equals...25!!
posted on September 2, 2014 
Math
Ok
posted on September 1, 2014 
psychology
unconditioned stimuli is men attracted to women
posted on July 7, 2014 
HISTORY
yes
posted on November 15, 2013 
Chemistry
"I am working on a problem like this one. I don't understand how you got to 51.4 from 30500 + (20,907) = 51.4 kJ. Can you explain?" The 30500 should be negative: 30500+(20907) This gives you 51407 J/mol. Convert to kJ: 51.407 kJ/mol or 51.4 kJ/mol.
posted on July 8, 2013 
science
A volcano
posted on May 5, 2013 
science
Hello i don't know i was trying to look for that to
posted on May 5, 2013 
college physics
24.633m/s
posted on March 29, 2013 
health
b is wrong
posted on November 29, 2012 
University Chemistry (first year)
jkk
posted on October 17, 2012 
math
Thank you it was right on the money... so to speak.
posted on July 2, 2012