ll
Most popular questions and responses by ll
math
A Ferris wheel has a maximum height of 245 feet and a wheel diameter of 230 feet. Find an equation for the wheel if the center of the wheel is on the yaxis and y represents the height above the ground. equation is ?
asked on October 2, 2015 
finance
Carlyle Inc. is considering two mutually exclusive projects. Both require an initial investment of $15,000 at t = 0. Project S has an expected life of 2 years with aftertax cash inflows of $7,000 and $12,000 at the end of Years 1 and 2, respectively.
asked on October 19, 2009 
math
Justine earned $25,000 during the first year of her job at city hall. After each year she received a 6% raise. Find her total earnings during the first five years on the job.
asked on May 22, 2013 
Math
identify the value of x that makes each pair of ratios equivalent 1. x:4" and "45:20" A.8 B.9 C.10 2.21 to x and 7 to 10 A.24 B.30 C.40 3.x to 50 and 16 to 25 A.32 B.34 C.41 4.6 to 8 and 18 to x A.20 B.22 C.24 5. 9/36 and x/4 A.1 B.4 C.9 6. 42/22 and 21/x
asked on November 1, 2018 
chemistry
A volume of 100mL of a 0.800 M HNO3 solution is titrated with 0.640 M KOH. Calculate the volume of KOH required to reach the equivalence point.
asked on August 6, 2012 
physics
A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz.
asked on July 1, 2012 
cuny
2.A lab class conducts a 1000 trial scattering probability experiment. Nine (9) target marbles were used on a 46.0 cm wide board. The marble diameter was calculated to be 1.48 cm. 1.How many hits were recorded during the experiment? 2.If the standard value
asked on February 17, 2017 
Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift
asked on June 10, 2012 
Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift
asked on June 9, 2012 
Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift
asked on June 9, 2012 
physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift
asked on June 9, 2012 
Physics. Please help!
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift
asked on June 10, 2012 
Physics
A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift
asked on June 9, 2012 
PHYSICS
a car has a mass of 1200kg.The area of the tire in contact with the ground is .02m^2. What is the pressure of each tire?
asked on October 1, 2015 
chemisty
How many moles of Ba(OH)2 are present in 295mL of 0.800M Ba(OH)2?
asked on August 6, 2012 
phy.
If you witnessed a broadside collision, would you expect that the velocities and weights of the cars determine where the cars will land after collision?
asked on August 8, 2015 
physics
A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz. Calculate the time required for a pulse of radar waves to reach an airplane 4.0 km away and
asked on July 1, 2012 
PHYSICS
a truck with a mass of 5000 kg and a velocity of 15.0 m/s collides headon with a car whose mass is 1000 kg, moving at 30.0 m/s. if the two vehicles move together after the impact, at what velocity do they move?
asked on October 1, 2015 
PHYSICS
Calculate the stress, strain and young's modulus of a wire with a crosssectional area of 3 x 10^7 m^2 and a length of 0.6 m that is stretched to a distance of 1.2 x 10^3 by a 120 N force.
asked on October 1, 2015 
physics
An appliance transformerconverter is plugged into a 120 volt AC house outlet. The primary coil has 200 windings of copper wire. The secondary coil has 15 windings of wire. Calculate the voltage output of the transformerconverter.
asked on June 24, 2012 
physics
Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)
asked on June 17, 2012 
physics
Archimedes decides to take a warm bath. If 1 calorie equals 4.187 Joules, and the heat of fusion of ice/water is 334 J/gram, calculate the number of calories it takes to liquefy a solid block of ice of mass 100 kg at 0°C. Use scientific notation.
asked on June 17, 2012 
algebra
GUY WIRE. How long is a guy wire reaching from the top of a 15ft. pole to a point on the ground 10 feet from the pole? exact length in feet. length in three decimal places in feet.
asked on June 18, 2012 
math studies
An arithmetic series has a first term of 4 and a common difference of 1. A geometric series has a first term of 8 and a common ratio of 0.5. After how many terms does the sum of the arithmetic series exceed the sum of the geometric series?
asked on September 28, 2008 
physics
The equation of a SHM of a 600 g object is given as x = 0.45 cos 6.4 t where the displacement x is in meters and time in seconds. What is the total energy of the system?
asked on January 30, 2015 
8th grade math
On my math worksheet it says, and I quote "Describe the following pattern(s) and determine the next two terms:" and then this little booger comes up. And honestly, I can't figure it out for the life of me! So if you could help it would be greatly
asked on August 25, 2013 
physics
An oceanic depthsounding vessel surveys the ocean bottom with ultrasound waves that travel at 1530 m/s in seawater. The time delay of an echo to the ocean floor below is 3 seconds. Find the depth of the water.
asked on June 24, 2012 
algebraA
lond distance trucker traveled 156 miles in one directionduring a storm. Thereturn trip in rainy weather was accomplished at double the speed and took 3hrs less time. Find the speed going.
asked on June 1, 2012 
algebra
The stooping distance d of a car after the brakes are appied varies directly as the square root of the speed r. If a car traveling 40mph can stop in 90 ft., how many feet will it take the same car to stop when it is traveling 60 mph.
asked on June 1, 2012 
economics
A country's excess of quantity demand is a nation's imports or exports?
asked on February 8, 2008 
conversion
800 watts > KW
asked on October 1, 2015 
conversion
2 KW > Hp
asked on October 1, 2015 
conversion
20 watts > joule/s
asked on October 1, 2015 
conversion
10 Joules > ergs/s
asked on October 1, 2015 
conversion
5 HP > watts
asked on October 1, 2015 
physics. help!
An appliance transformerconverter is plugged into a 120 volt AC house outlet. The primary coil has 200 windings of copper wire. The secondary coil has 15 windings of wire. Calculate the voltage output of the transformerconverter.
asked on June 24, 2012 
physics
Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)
asked on June 17, 2012 
math studies
Find m and a: 12x + 3y = 36 mx  9y = a
asked on October 21, 2008 
PHYSICS
compute for the density of a brake fluid used in a car which has a volume of 600cm^3 and a mass of 100 g?
asked on October 1, 2015 
PHYSICS
A spring of a car has a spring constant of 155 N/m. what is the force needed to stretch the spring by 5.00 cm from its original length?
asked on October 1, 2015 
Living Enviroment
 What is the purpose of the DNA Sequencing? What is the purpose of the Polymerase Chain Reaction?
asked on May 24, 2014 
Language arts
In "Aunt Millicent,"how does Jamie make the settings of aunt Millicent travels appear realistic?
asked on March 28, 2014 
economics
what's the difference between buying rate and selling rate?
asked on April 28, 2013 
algebra
multiply and simplify z^27z18/z^24z+4*z2/z9
asked on May 31, 2012 
american history
in what way did industrialization benefit the united states
asked on November 19, 2007

Pre Algebra
who here is in washington conections that has the answers for unt 6 lesson 7
posted on May 14, 2019 
Chemistry
JJ
posted on February 1, 2019 
Social Studies
B C C A B B A&C D B B you on your own
posted on November 2, 2017 
7th Grade Social Studies
rose williams is right i got 100%
posted on March 29, 2017 
7th Grade Social Studies
MUDDA ANSWER FOR YOU WAS RIGHT
posted on March 28, 2017 
7th grade social studies Ms. Sue please
All are right!
posted on November 2, 2016 
Bank management
55
posted on September 26, 2016 
Chemistry
what
posted on September 9, 2016 
Math/algebra
i think that is correct
posted on April 18, 2016 
life orientation
Which crime are you talking about?
posted on April 18, 2016 
7th grade math Ms. Sue please
What are the answers to the Equations and Inequalities Unit Test
posted on January 20, 2016 
Calculus
It's ( 3.7103 )
posted on December 17, 2015 
physics
99
posted on December 8, 2015 
Ratios of Similar Figures
Shawn was right about the answers YUMIE's answers were wrong got 4/10
posted on November 12, 2015 
Simple Subjects
mrs marcus
posted on October 2, 2015 
Physics
unsw phys1121 reppin
posted on April 26, 2015 
social studies
omg
posted on March 10, 2015 
science (check answers)
no you did not
posted on April 10, 2014 
8th grade math
Ouch! Tough blow Mr. Smeeth! Not everyone can be a genius. Thank you very much for this LOVELY time on jiskha but I very much have to go. Toodlhoo!! And thank you very much for helping me (or trying to)!! Until next time! Au revoir!!! A bientot!!
posted on August 26, 2013 
8th grade math
Well Mr. Steve, I looked up two interlocking sequences anddddd... I got nothin. Nope. Nada. Zip. Not a single thing that's has to do with math. Yay 😕
posted on August 25, 2013 
8th grade math
Okay I get where you are coming from on the 1 2 4 yada yada yada thing but I don't get how you got the second part with the 23 6 9 12. Can you please explain?
posted on August 25, 2013 
MATH
2=5
posted on March 26, 2013 
Math
jerome is making gift baskets using a ribbon that is 98 centimeters long he cuts 12 cenontimeter pieces of ribbon to tie on each basket what was the length of the ribbon after jerome cut off 5 pieces
posted on March 13, 2013 
Thesis statements??
Thesis statement
posted on March 12, 2013 
history
Thomas Jefferson, John Hancock, Patrick Henry, Sam Adams, John Adams
posted on November 28, 2012 
us history
Also add that no national statutes could be passed without the approval of all 13 states, making federal laws difficult to pass. You already mentioned the fact that the central government was meant to be weak and did not have the power to tax, which are
posted on September 26, 2012 
Chemistry
thank you. I don't understand why the O2 is to the power of two in the rate = k[NO][O2]2 when that is only a first order reaction and the NO is second order.
posted on March 30, 2012 
math studies
how do you find m and a once you put the first term in standard form?
posted on October 21, 2008 
math studies
can anyone help?
posted on September 28, 2008 
math studies
please
posted on September 28, 2008 
math studies
anyone????
posted on September 28, 2008