Saturday
November 29, 2014

Posts by help


Total # Posts: 957

english
THANK YOU SOO MUCHHHH BRUUH
November 27, 2014

english
"Why I refused." is a sentence while "How to make both ends meet." is a fragment. I can turn it into I am learning how to make both ends meet. Is this correct?
November 27, 2014

english
i mean brown-haired? isnt that acceptable? well okay i'll go with your answer.. thank you so much :D
November 27, 2014

english
brown hair
November 27, 2014

math
it would be 62... for the people looking for the answer.. your welcome.. i care
November 26, 2014

math
so how many large cupcakes would that be?
November 26, 2014

math
help please... im so stuck.. i need help...quickly
November 26, 2014

math
the yearbook club is having a bake sale to raise money for the senior class. LArge cupcakes are sold for 1.25 and small cupcakes are .75. If 105 cupcakes were sold for a total amount of 109.75, how many large cupcakes did the yearbook club sell?
November 26, 2014

trigonometry
rewrite each equation in rectangular form and describe the graph. solve for y if possible. a. theta = pi/6 b. r=8costheta
November 25, 2014

physics
Charge Q = 233 C Time t = 1.25 minutes = 1.25*60 = 75 sec Formula for Current I = Q/t I = 233 / 75 = 3.107 A The amount of current that was used is 3.107 A.
November 19, 2014

physics
A kettle brings water to boil by using 233 C of charge over the course of 1.25 minutes. The amount of current that was used is _.__ A?
November 19, 2014

Physics help please
Length of current carrying wire l = 0.504 m Current through wire i = 62.1 A Consider perpendicular external magnetic 
field with magnitude 0.203 T.[ Not given in problem , so we considered ] External magnetic 
field is perpendicular θ = 90º Magnetic &#...
November 19, 2014

physics
Charge Q = 25.1 C Time t = 6.49x10-3 sec Formula for Current I = Q/t I = 25.1 / (6.49x10-3) = 3.867 x 103 A The current during this lightning strike is 3.867 x 103 A.
November 19, 2014

Physics
A 5.00 x 102 kg hot air balloon takes off from rest at the surface of the earth. The buoyant force lifts the balloon straight up, performing 9.70 x 104 J of work on the balloon. At the instant the balloon's upward speed is 4.08 m/s, the balloon will be ____ m above the ...
November 18, 2014

Math
Bud and frank were playing a game together and together they scored 56 points. Buds score was 8 times higher than franks what are their scores. I don't think the teacher gave me the correct numbers, this does not work out.
November 18, 2014

math
thank you
November 14, 2014

math
what is 4 to the negative 2 times 2 to the 0. my options are 8 16 1/16 -64 I think it is 16.
November 14, 2014

Physics help
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid?
November 12, 2014

Chem Help!
Describe how you would prepare t-butyl-n-butyl ether. assume you are working on a 1 M scale. what reagents would you use? What solvent? what reaction conditions?
November 7, 2014

Physics help
an isolated container holding 5 kg of sulfuric acid is at 60 C. if 2.49x10^5 Joules of energy were transferred out of the acid, what would be the new temp. of the acid? show steps please!
November 7, 2014

Calculus-Newton Method Approximation
1/ 3(x^3) + 1/2(x^2) + 1 = 0, x1 = −3 newtons way to the 4th decimal
November 6, 2014

Physics Help Please! Check the answer
Fixed Answer Us= 1/2kx^2 =1/2(5286.0)(.40)^2=422.88 J
November 6, 2014

Physics Help Please! Check the answer
an athlete stretches a spring an extra 40.0 cm. how much energy has he transferred to the spring, if the spring constant is 5286.0 N/m? Us= 1/2kx^2 =1/2(5286.0)(.40)=1057.2 J Thanks!
November 6, 2014

physics
Rocket-powered sleds are been used to test the responses of humans to acceleration. Start- ing from rest, one sled can reach a speed of 510 m/s in 2.37 s and can be brought to a stop again in 3.15 s. Find the acceleration of the sled while ac- celerating. Answer in units of m/...
November 4, 2014

physics
The average car today has a mass of 1100 kg, and when accelerating from rest, covers 0.25 miles in 15 seconds. Each rim and tire together has a diameter of 46 cm and a mass of 9.1kg. If we agree the rim and tire have the shape of a solid disk that rotates through its geometric...
November 3, 2014

history
is the answer A
November 3, 2014

history
5. What was the eventual outcome of De Soto's expedition A. It encourage Spain to compete with France for land in the north america*** B. He founded a new colony in the name of the king C. He found great wealth and returned to Spain a hero D. He was captured and enslaved ...
November 3, 2014

History
i know 16 is A and is 14 B or A
November 3, 2014

History
is 16. C
November 3, 2014

History
Is 17. D
November 3, 2014

History
so 14-17 is wrong ?? and if so can you help me because i did read my book i mean read i couldnt find it and i am a A an B Enroll student so can you please help I need help.
November 3, 2014

History
14. D 15. B 16. D 17. A 18. A 19. C 20. D
November 3, 2014

History
14. Which statement best describes Georgia as a royal colony? (1 point) A. Georgia was ruled directly by the king through one of his royal governors. B. Georgia was ruled directly by the king through a council of elected officials. C. Georgia was ruled by an elected ...
November 3, 2014

MATHS
A boy spent 1/4 of his money on sweets and 3/8 on bus fares. What fraction of his money is left?
November 2, 2014

MATHS
how many twenties must be added to 3 tens to equal £2.10
November 2, 2014

Chemistry
This is still not correct. I do not know what I am doing wrong
October 23, 2014

Chemistry
Suppose that 0.250mol of methane, CH4(g), is reacted with 0.400mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released? Substance ΔH∘f (kJ/mol) C(g) 718.4 CF4(g) −679....
October 23, 2014

Chemistry
I ended up with the wrong answer can I ask what I did wrong? So I got the dHrxn which I found to be -1,679.54 I then determined the limited reagent was indeed F2 and that it produced .1 mol of CF4 I then divided -1,679.54 by .1 to get -16,795.4 and converted it to kilojoules ...
October 23, 2014

Chemistry
Please help Suppose that 0.250mol of methane, CH4(g), is reacted with 0.400mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released? Substance ΔH∘f (kJ/mol) C(g) 718.4 CF4(g...
October 23, 2014

Chemistry
Thank you I ended up solving it right after I posted this. I wasn't factoring in the mas of the rod.
October 23, 2014

Chemistry
A volume of 100.mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00 ∘C is placed in the water. If the final temperature of the system is 21.50 ∘C , what is the mass of the steel bar? Use the following values: specific heat of ...
October 23, 2014

math
Find 1 terminating decimal and 1 repeating decimal between 1/2 and 2/3.
October 21, 2014

Math HELP!!!!!
give 2 examples of mixed numbers that when multiplied by 3/4 give a product between 3/4 and 1 PLEASE HELP ME AND QUICK I HAVE A LOT DUE TOMORROW!!!!!
October 20, 2014

Math
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October 20, 2014

math
if 1/2 times 3/4 is 3/8 why is it less than 3/4?
October 20, 2014

physics
a stone is dropped from the peak of a hill . IT covers the distance of 30m in last second of its motion. Find the height of the peak?
October 12, 2014

Help Ms.Sue
1/4 : 1/3 : 1 1/12 Can you simplify it with whole numbers?
October 10, 2014

math help
Is there a way to simplify it in numbers completely?
October 10, 2014

math help
(1+3 1/4) : (1 1/4 + 3 1/3) Simplify as a ratio?
October 10, 2014

science
yes sorry i mean krebs cycle. i just can't figure it out and I've looked everywhere in my book
October 5, 2014

science
Krebs Circle produces A)NADH and Carbon Dioxide B)ADP and NADP C)Acytol CoA and sugars D)Water and Carbon Dioxide
October 5, 2014

Math
Kate is 5 years older than Lenny. Lenny is 2 years younger than Maria. Maria is twice as old as Norman. If Norman is 10 years old, how old is katie?
October 3, 2014

math
if 2 chickens can lay 8 eggs in 3 days, how many eggs can 5 chickens lay in 6 days?
October 3, 2014

math
Help
September 23, 2014

Physics
Two telescopes A and B spot a star. Telescope A reports the position of the star to be in the East 60 degrees above the horizontal line joining A and B. Telescope B, which is 500 km West of telescope A spots the star at 30 degrees above the horizontal line joining A and B. ...
September 18, 2014

Language Arts
Which statement best expresses a central theme of the story teller? A. People with no children to care for are usually better at handling children. B. It is important to instruct children about right and wrong at all times. C. The best way for adults to deal with children is ...
September 10, 2014

Physics
The coefficient of rolling friction between the floor and the hardened steel balls of an anesthesia trolley (anesthesia machine with ventilator and monitor) is 0.0015. If a hospital crew needs 77 N to push the trolley at an angle of 30 degrees below the horizontal with ...
September 10, 2014

math
A merchant blends tea that sells for $4.40 a pound with tea that sells for $2.30 a pound to produce 120 lb of a mixture that sells for $3.00 a pound. How many pounds of each type of tea does the merchant use in the blend?
September 7, 2014

math
A college student earned $8900 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 10% and the rest at 9%. If the student received a total of $831 in interest at the end of the year, how much was invested at 10%?
September 1, 2014

Math
How do you expand and simplify (x-2)(x+2)?
August 8, 2014

physics
A sprinter has a mass of 82.0 kg. If the sprinter is running at a speed of 22.5 km/h, determine his kinetic energy. __________ × 103 J.
July 31, 2014

physics
A 130.0 g object is moved from a shelf 0.2 m high to one that is 5.0 m high. The change in potential energy for the object is __________ .
July 31, 2014

physics
A hockey player lifts a 600 g trophy up into the air a distance of 75.0 cm. The work done against gravity on the trophy is __________ J.
July 31, 2014

physics
When an object travelling at 12.7 m/s [E] speeds up to a velocity of 21.5 m/s [E] in 3.45 s, the magnitude of the acceleration is __________m/s2.
July 31, 2014

Life sciences
So no one can take it/Security. They're pretty rare. Is this supposed to be written in a paragraph though?
July 31, 2014

Mathh
Thanks alot.
July 31, 2014

Mathh
After Michael 110 baseball cards to Sally and 75 to Heidi, he still has 315 left. What percent of his cards did Michael give away? 110 + 75... and then??
July 31, 2014

Math
No. 500% is right. I tried it on my online homework. Thanks :)
July 31, 2014

Math
Umm, isn't it 5000? :)
July 31, 2014

Math
Thank you
July 31, 2014

Math
If the investment rises from $1000 to $5000, the percent is what from the original?
July 31, 2014

science
A mass m=5.2 kg is attached to the end of a spring with a spring constant of k=15.6 N/m. The mass moves through a viscous damping medium with a damping constant b=1.8 kg/s giving a velocity dependent damping force Fdamp= -bv. The motion occurs in zero gravity so set the force ...
July 23, 2014

statistics
M&M’s The candy company claims that 10% of the M&M’s it produces are green. Suppose the candies are packed at random into small bags containing about 25 M&M’s per bag. A class of elementary students learning about percentages opens several bags, counts the ...
July 13, 2014

USA Colonists History
thx, but what about the land?
June 13, 2014

USA Colonists History
i think that 1. They could trade the things they dig, find and then sell it. 2. They could make materials from the trees they find, etc., and sell them.
June 13, 2014

Math
James takes a ruler and measures the width of the piece of paper. He find that the actual width is 48.8 cm. Find the width of each strip.
May 28, 2014

math
A new cruise ship line has just launched 3 new ships: the Pacific, the Caribbean, and the Mediterranean. The Caribbean has 32 more rooms then the Pacific. The Mediterranean has 38 fewer rooms than FOUR times the number of rooms on the Pacific. Find the number of rooms for each...
May 20, 2014

English
> rain's <
May 20, 2014

math
thanks
May 20, 2014

math
the value is 56 my bad
May 20, 2014

math
The value of an uncirculated mint state-65 1950 jefferson nickle minted in denver is 4/3 the value a 1945 nickle minted in philadelphia is similar condition. together the total value of the two coins is $21.00
May 20, 2014

calculus
Consider the motion of a particle of mass m falling vertically under the earth’s gravitational field, and suppose the downward motion is opposed by a frictional force p(v) dependent on the velocity v(t) of the particle. Then the velocity satisfies the equation mv0(t) = &#...
May 18, 2014

Math
Please can someone help?
May 5, 2014

networks
what method can be used to reduce packet jitter
May 1, 2014

networks
Sorry but what causes packet jitter
May 1, 2014

alg.
Solve. (If there is no solution, enter NO SOLUTION.) y= x^2-x-4 y=x+4 (x, y) = ( , ) (smaller x-value) (x, y) = ( , ) (larger x-value) x^2 + y^2 =10 x+y=4 (x,y)= ( , ) smaller value (x,y)= ( , ) larger value
April 22, 2014

Accounting
Target Company issues bonds with a par value of $900,000 on their stated issue date. The bonds mature in 10 years and pay 10% annual interest in semiannual payments. On the issue date, the annual market rate for the bonds is 12%. What is the selling price of the bond
April 15, 2014

school
give me the answer!
April 12, 2014

math - 6th grade
4x+2=3x+9 Move 3x to the other side so it will become -3x ( 4x-3x) same with the constant number ( 9-2) . Just combine the constant and the number that has coefficient. Solution: 4x+2= 3x+9 4x-3x=9-2 X=7
April 3, 2014

physics
Eva is in a closed, dark room. She uses her arm muscles to turn on a lamp. When she moves her hand closer to the lamp, the light heats her hand. The light bounces off the pages of a book and into her eyes. If this room is a closed system, what happens to the total amount of ...
March 29, 2014

urgent (physics)
A 2 kg brick falls at 5.1 m/s from a height of 6 m above a spring that has a spring constant of 47 N/m. The brick strikes and compresses the spring until it stops moving. Ignore friction effects. How much is the spring compressed by the brick? Assume that there is no Eg after ...
March 14, 2014

Physics
A 2 kg block has an initial velocity of 16 m/s at the bottom of the ramp (see diagram below). The coefficient of kinetic friction between the block and the ramp is 0.1. The spring has length 3 m and has a spring constant of 100 N/m. What maximum compression will the spring ...
March 9, 2014

Alegbra 1
Explain why any two regular n-sided polygons would be considered to be similar and how knowing this information could help in solving real-world problems.
March 3, 2014

Math
what is a measurement that is not equal to 8 cups?
March 3, 2014

Biology
Which of the following is correctly matched with its tissue system? cortex/dermal tissue system cuticle/vascular tissue system phloem/dermal tissue system stele/vascular tissue system>>>> my choosen answer
February 28, 2014

math
17.Given that 3•2 = 9, 2•6 = 64, 1•7 = 1 and 4•4 = 256. What is the value of 10•5? A)50 B)100 000 C)5000 D)5 plz explain how you get this answer i am studying the sample questions for the math olympics tommorow so i need to know what they will be like.
February 26, 2014

physics
A missile is launched at an angle of 25 degrees to the ground. It hits a target at 301.5 meters from the point of launch. find the initial velocity
February 22, 2014

Physics
A 14g bullet is traveling at 306m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing the motion of the bullet, how far will the bullet penetrate the block of wood?
February 20, 2014

Chemistry
Calculate the Ph and POH of an aqueous soltuion that is 0.500 M in HCl(aq) and 0.085 M in HBr (aq) at 25 degrees C.
February 20, 2014

Physics
A 2473 kg elephant is walking at 3 m/s on a flat surface. How much kinetic energy does he have? Answer in Joules
February 17, 2014

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