URGENT
Most popular questions and responses by URGENT
Math
It took Jen, who biked at a speed of 12 mph, 20 minutes to get home. What is Jim’s speed, if it took him only 15 minutes to bike that distance?
asked on March 15, 2017 
Math
The area of a trapezoid is 18sq. ft and the sum of its bases is 6 ft. Find the area of a square whose side is equal to the height of the trapezoid.
asked on March 14, 2017 
SS
which of the following statements true about king gelawdewos capital?? It was built in the 1700s It was a palace decorated with gold and preicous stones** It was where a prestigous school was built It was home to many cattle herders.
asked on November 7, 2016 
Math
Lisa has 12 more stickers than John, and together they have 60 stickers. What is the ratio of the number of Lisa’s stickers to the number of John’s stickers?
asked on April 17, 2017 
physics
A ball is kicked with an initial velocity of 16.1 m/s in the horizontal direction and 14.4 m/s in the vertical direction. What maximum height is attained by the ball?
asked on September 18, 2015 
chemistry!
The standard molar heat of vaporization for water is 40.79 kJ/mol. How much energy would be required to vaporize 4.00 mol of water? Answer in units of kJ
asked on March 8, 2012 
Math
If an alloy requires copper, nickel, and zinc in a ratio of 12:5:3, how many kilograms of each metal are needed to make 5 kg of the alloy?
asked on April 17, 2017 
Math
How to determine if the graph shows two quantities that vary directly and how to determine the constant of proportionality?
asked on September 9, 2019 
Math
Lucy earns money babysitting. Her earnings and hours worked represent a direct variation. She worked for 4 hours and earned $25. Determine the constant of proportionality for hours worked per dollar earned.
asked on September 10, 2019 
MATH
13. write the ratio as a fraction in simplest form. 30:48 A.1/6 B.5/8 C.30/48 D.8/5 14. Write the ratio as a fraction in simplest form. 38 to 20 A. 38/20 B.1/9 C.19/10 D.10/19 15. write the ratio as a fraction in simplest form. 6 out of 9 A.1/3 B.3/2 C.2/3
asked on November 2, 2016 
maths
What does square root mean
asked on September 18, 2019 
Science
explain the key concepts of atomic theory and potential uses. Help please and thank you :D
asked on September 6, 2019 
Math
4. The constant of proportionality between the height of the water in a sink (h) in centimeters and the number of minutes it has been filling (m) is 0.95. The sink has been filling for 40 minutes. What is the height of the water in the sink? Show your work
asked on September 10, 2019 
Physics 2
If water at 0 oC is heated, it actually decreases in volume until it reaches Select one: a. 1 oC. b. 2 oC. c. 3 oC. d. 4 oC. e. 5 oC.
asked on August 17, 2015 
Math
The distance (d) in meters that an ant can travel varies directly with the amount of time (t) in hours it spends walking. Assume that an ant’s constant of proportionality is 18. Write an equation to represent the proportional relationship between d and t
asked on September 10, 2019 
Math
A recipe calls for 3 1/2 cups of flour and 3/4 cup of sugar. If you want to make the recipe with 6 cups of flour, how much sugar will you need? Show your work. help please and thank you.
asked on September 10, 2019 
Math
3. Given a value for the input variable, x, and the output variable, y, calculate the constant of proportionality. x = 60 and y = 18 x = 2/2 5 and y = 7 1/2 show your work please and thank you
asked on September 10, 2019 
math
Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 3%. Find the interest earned in 6 years. Then find the total of principal plus interest.
asked on March 11, 2018 
Algebra
Briana can row 4 miles per hour is still water. It takes as long to row 8 miles upstream as 24 miles downstream. How fast is the current?
asked on January 14, 2014 
Math
. A recipe calls for 3 1/2 cups of flour and 3/4 cup of sugar. If you want to make the recipe with 6 cups of flour, how much sugar will you need? Show your work. help please and thank you.
asked on September 10, 2019 
Math
Samantha's Recipe 3 1/2 parts cranapple juice 2 1/2 parts lemonade Caden's Recipe 4 1/4 parts cranapple juice 3 3/4 parts lemonade For each recipe, write a ratio that compares the number of parts of lemonade to the total number of parts. Please help and
asked on September 3, 2019 
math
At a concession stand seven hot dogs and four hamburgers cost 14.00 dollars. Four hot dogs and seven hamburgers cost 16.25. find the cost of one hot dog and one hamburger. Timed please hurry.
asked on September 27, 2016 
Physics Questions!
An interference pattern is set up by two point sources of the same frequency, vibrating in phase with one another. A point on the second nodal line is 50.0 cm from one source and 59 cm from the other. The speed of the waves is 35 cm/s. Calculate the
asked on December 15, 2007 
Math
Three workers can do a job in 28 hours. How many more workers are needed to do this job in 12 hours?
asked on March 15, 2017 
sociology
All deviance is a crime but not all crime is deviance. Question 6 answers a)True b)False
asked on September 23, 2011 
Chemistry
What is the concentration (M) of K+ in a solution made by mixing 25.0 mL of 0.100 M KCl with 50.0 mL of 0.0500 M KCl? Can you please explain how to solve this problem. I thought to do 25*.1+50*.05=5 But that seems wrong. What should I try to do?
asked on September 16, 2015 
Fluid Mechanics
Calculate the pressure at a point 5 m below the free water surface in a liquid that has a variable density given by equation o =(350+Ay)kg/m3, where A = 8 kg/m4 and y is the distance in meters measured from the free surface.
asked on September 9, 2012 
physics
The density of a sample of air is 1.235 kg/m3, and the bulk modulus is 1.42 · 105 N/m2. a) Find the speed of sound in the air sample. b) Find the temperature of the air sample. Give answer in °C. Do not enter unit. Yanlýþ. Denemeler
asked on April 1, 2011 
maths
A spherical tank in a petrochemical plant has a radius of 5m. Give an expression which, when integrated from y=r to y=dr ,will give the volume of liquid in the tank where r is the radius and d is the depth of liquid. If liquid is entering the tank at a
asked on May 16, 2018 
Chemistry
7. For the equilibrium system below, which of the following would increase the concentration of 𝐻2𝑂(𝑔)? 𝐶(𝑠) + 𝐻2𝑂(𝑔) + 131𝑘𝐽 ↔ 𝐶𝑂(𝑔) + 𝐻2(𝑔) a. Increased temperature b. Decreased pressure c. Decreased [CO] d.
asked on June 4, 2016 
Chemistry
A solution contains 0.400 g of NaOH in 20.0 mL of solution. What is its molarity
asked on April 24, 2012 
Economics
Hi, Please I researched so badly, I need help to find information about Cybernomics issues and solutions. Please can you help me. Give me a site I can go to that will have information concerning Cybernomics. Please Thank You.
asked on June 9, 2009 
Calc
I have a test soon.. and I really need to know how to do this problem.. please help!!! lim as x>0 sin^2(x)/tan(x^2) the answer is 1, but I have no clue how to get that! Use series expansions. Look up Taylor expansion on google and study that topic first.
asked on March 30, 2007 
Bobpursley for this question please, physics
I don't understand though why you can make w/mlambda I thought it was the otherway around? (in regards to this w/N sinTheta= m lambda N= w/(m lambda) * sinTheta N= w/(m lambda) * x/L
asked on December 11, 2007 
CALCULUS
what is the derivative of ln(x1)? If you are studying the calculus of logarithms your question surprises me, since that is one of the most basic ones in that topic. in general if y = ln("anything") then y' = 1/"anything" * derivative of "anything" just
asked on May 6, 2007 
maths need help
if a^x=(a/k)^y=k^m and a is not equal to 1 then show that 1/x1/y=1/m show me work plz
asked on October 2, 2016 
Math Calculus
The function f is given by the formula f(x)=6x^3+17x^2+4x+21/x+3 when x
asked on May 3, 2013 
sociology
According to Max Weber, rational motives are easy to understand and predict because ends and means can be calculated and behavior changed on the basis of experience. True False I think false..maybe...help
asked on September 23, 2011 
Physics
The problem contains graphics that I don't know how to show other than in an image format: h t t p : / / b i t . l y / c D H P V M h t t p : / / b i t . l y / 9 m b y C R
asked on September 8, 2010 
9th grade, Socials
what is a colonie?
asked on January 18, 2009 
une lab de physics
Hello, we are doing a lab dealing with diffraction gratings. The problem I have is that we are supposed to find the number of slits, N, based on gathered information. I have x, L, d, m, and w, just not N, which is what I am trying to find. I also have the
asked on December 11, 2007 
Algebra 2
X^28x=14
asked on November 2, 2016 
Urgent
3) List 3 strategies to help escape riding in a vehicle with an impaired driver.
asked on October 7, 2013 
apchem
what is the density of vinegar? thanks
asked on March 16, 2010 
apche,m
what is the density of vinegar? thanks
asked on March 16, 2010

SS
I got it right, It was B.
posted on November 7, 2016 
SS
Saw nothing about a school...
posted on November 7, 2016 
SS
Can't be A since he died in the 1500s.
posted on November 7, 2016 
SS
So is it D?
posted on November 7, 2016 
SS
I'm in a huge hurry, so I guessed. I just need help with this. I can't find anything in that text.
posted on November 7, 2016 
SS
I CANT FIND IT :((((((
posted on November 7, 2016 
MATH
IS it C?
posted on November 2, 2016 
math
lol no this was no help :)
posted on September 27, 2016 
Physics 2
I get 4 degrees, let me know what you guys get
posted on August 17, 2015 
Algebra
How did you do 8/(u4) which turned in to 8(u4)
posted on January 14, 2014 
English
That is right
posted on January 12, 2014 
Algebra 1
Or is could be h/3+p/3+8=k
posted on October 7, 2013 
physics(*URGENT*)
or could you show me your full working?
posted on October 6, 2013 
physics(*URGENT*)
for y(t) do you use the value in the x or y direction?
posted on October 6, 2013 
chemistry
2.852
posted on March 8, 2012 
chemistry
13(36.461)=473.993 473.993/.125=3791.944
posted on March 8, 2012 
sociology
True.. I guess.
posted on September 23, 2011 
Physics
URGENT
posted on October 28, 2010 
Physics
URGENT
posted on October 28, 2010 
Physics
You do have to solve for the takeoff speed, but I have the answers. I just don't know the procedure for solving the problem.
posted on September 7, 2010 
Physics
What does d= ? (Not sure what to take the derivative of)
posted on September 7, 2010 
Physics
I just said the takeoff speed is 9.0 m/s.
posted on September 7, 2010 
Physics
ANSWER: Vo = 9.0 m/s She lands 0.21 m past the opposite bank I'm not sure how to get those numbers, though.
posted on September 7, 2010 
Physics
No, the initial velocity has to be solved for.
posted on September 7, 2010 
Physics
And I still haven't gotten an answer for my previous question here: h t t p : / / b i t . l y / d g 6 o O F
posted on September 7, 2010 
english
hmhm you could say an "oasis of serenity amidst the bustling city." Serenity means a peaceful or calm state. As to your second question, I am not sure.
posted on December 11, 2007 
Bobpursley for this question please, physics
I think I figured it out, you just switch the N and the mlambda, correct?
posted on December 11, 2007 
Physics Lab
yes! It works I got an answer or 35.2 so there were approximately 35 slits! But wow, thanks soo much! This really saved me! I appreciate this!
posted on December 11, 2007