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October 21, 2014

Posts by Kyle


Total # Posts: 783

Physics
(a) 114.147 m (b) 778.4605 m
September 18, 2012

Math
In 45 seconds. 9,18,27,36.45 15,30,45
September 18, 2012

math
I thought I needed to do 9/10 x 7/1 which is 63/10 = 6 3/10
September 18, 2012

math
thank you
September 18, 2012

math
when planting trees in a forest, the US Forest Service recommends giving each seedling about 1/200 acre on which to grow. About hw many seedling should be planted in 1/3 of an acre? How would I show my work on this? would it be 1/3 x 200/1 = ?
September 18, 2012

math
Thank you!
September 17, 2012

math
still stuck on this one please help Marissa plans to use 50 sheet of aper for a scrapbook. How much thicker will the scrapbook be if she uses heavyweight (which is 2/5 in for 100 sheets) instead of lightweight paper (which is 3/10 in for 100 sheets)?
September 17, 2012

math
I do understand that, but if he uses 1/4 of the paper for the english section and 1/3 of the paper of the other 3/4 for the math section. How would I show this.
September 17, 2012

math
Eddie buys 100 sheets of heavyweight paper to make a notebook. He places 1/4 of the sheets in a section for English and 1/3 of the reamining sheets in a section for math. Which section is thicker if the 100 sheets of heavyweight paper is 2/5 in per 100 sheets?
September 17, 2012

math
Juan's class has 10 girls and 15 boys. the ratio fo girl to boys in Steven's class is the same as the ratio of girl to boys in Juan's class.How many girls are in Steven's class. Picture/diagram of my composed solution. We know that the ratio is 1:1.5 with a ...
September 12, 2012

math word problem
Weds to Thurs
September 10, 2012

Biology
How are radioisotopes used to make biochemical reactions?
September 8, 2012

math
Two trains are traveling the same direction, train a is going 60 mph and train b is going 70 mph, after one hour how long will it take train a to reach the point train b was at the hour marker.
September 2, 2012

math
unit rate for 30 miles on 1.5 gal not sure how to write it
August 29, 2012

math
what is the unit rate $16 for 32 photos is it 16/32= .50/1
August 29, 2012

math
list all prime numbers under 20 and the find GCF for 62 and 80 using factoriztion. is the answer 2 x 2 =4
August 15, 2012

math
list all prime under 20. then find the GCF for 64 and 80 use prime factorization.
August 15, 2012

Chemistry
They did the right work but the answer is 40 grams. That is what it says in the book.
August 10, 2012

math
Ms Sue when you said 25 in the overlapping section of math and english did mean math and history/
August 6, 2012

math
need to make a venn diagram using 3 circles. A survey on subject being taken by 250 students at a certain college revealed the following info: 1. 90 were taking math 2. 145 were taking history 3. 88 were taking english 4. 25 were taking math and history 5. 38 were taking ...
August 6, 2012

Math
If I have cards numbered 1 through 40 and I randomly draw 3 then replace them, shuffle them and draw three again what are the odds of drawing one of the numbers more than once
July 31, 2012

physics
A vertically hanging spring has a mass of 50 N hanging from it. Under these conditions, the spring stretches 10 cm. The spring is then placed on a horizontal table and stretched 20 cm. What force is required in the second scenario?
July 18, 2012

Principles of Management - Strategic Management
1.d,2.b,3.c,4.a,5.a,6.c,7.a,8.d,9.b,10.b,11.c,12.b,13.c,14.a,15.b,16.b,17.d,18.c,19.d,20.b I did miss one but not sure which one it was.
July 10, 2012

us history grade 7
what are the pros and cons of the fur trade?
June 21, 2012

Physics
"A person is playing a small flute 10.75 cm long, open at one end and closed at the other, near a taut string having a fundamental frequency of 600.0 Hz. If the speed of sound is 344.0 m / s, for which harmonics of the flute will the string resonate? In each case, which ...
June 4, 2012

Physics
Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. A certain person can see distant objects well, but his near point is 60.0 cm from his eyes instead of the usual 25.0 cm. Suppose that this person needs ordinary glasses. What focal ...
May 29, 2012

Physics
Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. A certain person can see distant objects well, but his near point is 60.0 cm from his eyes instead of the usual 25.0 cm. Suppose that this person needs ordinary glasses. What focal ...
May 28, 2012

Physics
Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. A certain person can see distant objects well, but his near point is 60.0 cm from his eyes instead of the usual 25.0 cm. Suppose that this person needs ordinary glasses. What focal ...
May 28, 2012

English
Bssmyale
May 22, 2012

math
Compute 9(sub)C(sub)6
May 17, 2012

Physics
The range away from the stage doesn't matter?
May 4, 2012

Physics
oh sorry the diameter is 8.4mm and the question is asking for the How much energy is transferred to her eardrums each second ?
May 4, 2012

Physics
A fan at a rock concert is 45.0 m from the stage, and at this point the sound intensity level is 108 dB. Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate . Typically, the diameter of this membrane is about 8.40 m in humans I solved for ...
May 4, 2012

social 10 COULD SOMEONE PLEASE HELP ME!
Historical Globalization & IMPERIALISM I HAVE POSTED ABOUT 8 QUESTIONS THAT I REALLY NEED THE ANSWERS TO, I HAVE SAT HEAR ALL WEEKEND AND JUST DON'T GET THEM I HAVE JUST GOT MYSELF SO CONFUSED SO COULD YOU PLEASE HELP ME, I'M SO TIRED AND FED UP! THANK YOU SO MUCH (I ...
April 16, 2012

social 10
could you please help me with 6 differents of imperialism in Canada and imperialism in India?
April 16, 2012

social 10
What major way did the new imperialism of the late 1800s to early 1900s differ from the imperialism of the previous few ceenturies? PLEASE HELP ME!
April 16, 2012

social 10
what would be a good statement to describe the differences between globalization & imperialism? PLEASE HELP!
April 16, 2012

social 10
(forms of imperialism) What are 3 ways that the new imperialism led to World War 1? PLEASE HELP!
April 16, 2012

social 10
Why is the "new imperialism" called the first era of globalization? PLEASE HELP!
April 16, 2012

social grade 10
Historical Globalization & imperialism PLEASE HELP! Did imperialism lead to a better life for European immigrants to Canada?
April 16, 2012

social 10
historical globalization & imperialism PLEASE HELP! Did imperialism lead to a better life for Canada's indigenous people?
April 16, 2012

social 10
Historical Globalization & imperialism Should the Europeans have tried to change the beliefs of thr people in their colonies during imperialist times? could you please give me some reasons. Please help
April 16, 2012

social 10
Historical globalization & imperialism If my ancestors were not indigenous Canadians what 3 motives for imperialism would make them immigrate to Canada? please help
April 16, 2012

historical globalization $ imperialism grade 10
what does eurocentric attitude means?
April 16, 2012

history grade 10
Could you please help with should the Europeans have tried to change the beliefs of the people in their colonies durind imperialist times,what do you think the reasons would be?
April 15, 2012

history grade 10
Could you please help explain if imperialism lead to a better life for Canada's indigenous people?
April 15, 2012

history grade 10
Could you help explain if imperialism lead to a better life for immigrants to Canada?
April 15, 2012

history grade 10
slavery before 1844, how were the slaves treated, did they have any right?
April 15, 2012

social
should the Europeans have tried to change the beliefs of the people in their colonies during imperialist times? WHY?
April 15, 2012

social
In two different pictures 'Christopher receiving gifts' and 'Columbus taking possession of the new country' What are the similarities? What are the differences?
April 15, 2012

social studies
slavery before 1844 was there any rights or rules for slaves or their familys. could they just beat them all the time?
April 15, 2012

math
how did you get this answer
April 12, 2012

math
3 9/20 = write as a decimal number
April 12, 2012

math
Solve and simplify (3+9i)-(12-5i) 8+6i/7-5i
April 9, 2012

math
Which X|Y X|Y 1|~1 2|6 Y is 8 less than 8 timesX Y is 8 less than 7 times X Which
March 6, 2012

math
Solve the system x^2+y^2-4x+2y=20 4x +3y =5
March 1, 2012

Physics
A circular loop of wire with radius 0.0450 m and resistance 0.154 R is in a region of spatially uniform magnetic. The magnetic field is directed out of the plane. The magnetic field has an initial value of 7.89 T and is decreasing at a rate of -0.630 T/s. What is the rate at ...
February 29, 2012

Chemistry
It requires 17.9 mL of 0.120 M KOH to titrate 78.0 mL of an HCl solution of unknown concentration. Calculate the initial HCl concentration.
February 27, 2012

Chemistry
Calculate the OH - concentration present in water under the following conditions. Enter your answer in scientific notation. A)[H3O+] = 9.4 x 10-10 M B)[H3O+] = 5.5 x 10-3 M C)[H3O+] = 6.2 x 10-12 M
February 27, 2012

chemistry
A 11.0% (w/v) solution of ethyl alcohol is diluted from 51.0 mL to 230.0 mL. What is the new weight/volume percent?
February 21, 2012

Chemistry
Consider the following reaction. 2KClO3(s) ¨ 2KCl(s) + 3O2(g) A)How many grams of KCl are produced from the complete reaction of 10.9 mol of KClO3? B)How many grams of KCl are produced from the complete reaction of 86.2 g of KClO3?
February 14, 2012

math
how do you calculate the unite price of the two items showing long division
February 13, 2012

math
how do you calculate the unite price of the two items showing long division
February 13, 2012

physics
suppose a 1.50 kg object is suspended from the end of a silicone band. when the object is pulled down and released, the band vibrates at a frequency of 2.08 s-1. calculate the spring constant of this silicone band including units.
January 31, 2012

Chemistry
suppose a 1.50 kg object is suspended from the end of a silicone band. when the object is pulled down and released, the band vibrates at a frequency of 2.08 s-1. calculate the spring constant of this silicone band including units.
January 31, 2012

MATH USM
Write the following in terms of sin(θ) and cos(θ); then simplify if possible. cos(θ) + sin(θ)cot(θ) =
January 30, 2012

Chemistry
A Be3+ ion absorbs a photon with a frequency of 7.31 × 1015 Hz. If the energy of the final state of the Be3+ ion was -3.88 × 10(-18) J, calculate the energy of the initial state. Express answer in scientific notation. My work so far: delta E = (h)(v) delta E = (6....
January 30, 2012

Chemistry
A light photon with a frequency of at least 0.0373 × 1016 Hz is required to split apart diiodine according to the equation: I2(g) → 2I(g) Calculate the energy (kJ) required to break apart a mole of diiodine. Express answer in scientific notation. I got 2.47 * 10^-...
January 30, 2012

psyhics
A ball is dropped from the top of a 95 m building. With what speed does the ball hit the ground?
January 29, 2012

Chemistry
Oh okay. Yeah I did convert wrong. Thank you.
January 29, 2012

Chemistry
Calculate the energy in kJ/mol of a mol of photons in the ultra-violet region of the electromagnetic spectrum that has a wavelength of 2.88 × 10-7 m. Express answer in scientific notation. I got 4.16 * 10^8 but the correct answer is supposed to be 4.16 * 10^2.
January 29, 2012

Chemistry
I did the work, but I need help checking it... A compound contains 83.24% by mass carbon. Calculate the molar mass of the compound if it contains 5 moles of carbon per mole of compound. This was my process: I took 100g of compound and found that there are 83.24 g C in that ...
January 26, 2012

Pre calc
Use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67° 30' 7 sin(67° 30')= cos(67° 30')= 4 tan(67° 30')=
January 22, 2012

Chemistry
Based on the balanced equation 2NBr3 + 3NaOH → N2 + 3NaBr + 3HOBr calculate the number of of excess reagent units remaining when 116 NBr3 molecules and 180 NaOH formula units react? I calculated the excess reagent to be NaOH. So is the units of remaining excess reagent 6...
January 22, 2012

Chemistry
A 0.7381 g sample of a compound containing C, H, and F was burned to produce 0.6368 g CO2 and 0.1303 g H2O. Calculate the empirical formula of the compound. Do I have to take in account the O atoms?
January 21, 2012

Chemistry
Is this correct? A 0.7473 g sample of a compound containing C, H, and O was burned to produce 1.909 g CO2 and 0.7813 g H2O. Calculate the empirical formula of the compound. I got C5 H10 O1. I'm not sure if that's correct..
January 20, 2012

Physics
Can an electric force between two point charges be negative?
January 18, 2012

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012

physics
A woman pushes a crate along the floor of a warehouse with a force of 31.9 N directed downward at an angle of 23.6° from the horizontal. If the crate has a mass of 11.9 kg and the coefficient of friction is 0.0975, find... (a) the force of friction b. (b) theacceleration
January 18, 2012

Physics
3 charges are arranged along the x-axis. q1 = -4.50 nC is located at x = 0.200m q2 = +2.50 nC is located at x = -0.300m q3 = is a positive character located at the origin. What is the value of q3 for the net eletric force on it to be 4*10^-6 N? I found the charge on q3 to be...
January 16, 2012

Chemistry
If a sample of C6H4(CH3)2 is found to contain 3.54 * 10^26 CH3 groups how many moles of C6H4(CH3)2 molecules are present? C6H4(CH3)2 - 106.17 CH3 group - 15.035 C6H4 Group - 76.098 Please explain steps
January 16, 2012

Chemistry
Why did you divide .06 moles by 4? Is it because there is a 8:4 ratio of C and Co?
January 16, 2012

Chemistry
If a sample of Co2(CO)8 is found to contain 6*10^-2 mol of C atoms, how many grams of Co atoms are present? Molar Mass (g/mol) Co2(CO)8 - 341.95 Co atom - 58.933 C atom - 12.011 O atom - 15.999 Avaogadro's No.: 6.022*10^23 Do I need to use the 6*10^-2 mol of C atoms to ...
January 16, 2012

Physics
The 17500 Hz whine of the turbines in the jet engines of an aircraft moving with speed 280 m/s is heard at what frequency by the pilot of a second craft trying to overtake the first at a speed of 380 m/s?
December 15, 2011

Physics
A whistle of frequency 490 Hz moves in a circle of radius 2.00 ft at an angular speed of 15.0 rad/s. What are the lowest and the highest frequencies heard by a listener a long distance away at rest with respect to the center of the circle?
December 15, 2011

Physics
A whistle of frequency 490 Hz moves in a circle of radius 2.00 ft at an angular speed of 15.0 rad/s. What are the lowest and the highest frequencies heard by a listener a long distance away at rest with respect to the center of the circle?
December 15, 2011

Physics
The 17500 Hz whine of the turbines in the jet engines of an aircraft moving with speed 280 m/s is heard at what frequency by the pilot of a second craft trying to overtake the first at a speed of 380 m/s?
December 15, 2011

calculus
f(1)= 20, f(3)=13, f(5)=15, f(7)=16, f(9)=11, on [0,6] a, used midpint rule with n=5 to estimate intergral form 0 to 10 f(x)dx b, use trapezoidal rule with n=4 to estimate intergral from 1 to 9 f(x)dx c, used simpson's rule with n=4 to estimate intergal from 1 to 9 (x)dx
December 12, 2011

College Physics
A monatomic ideal gas with a pressure of 1.39x10^5 Pa and has a volume change of 260 L to a volume of 39.0 L. the second pressure is 3.28x10^6. How much work is done?
December 7, 2011

Physics
I'm having some trouble using these sites
December 6, 2011

Physics
A string along which waves can travel is 2.50 m long and has a mass of 203 g. The tension in the string is 26.0 N. What must be the frequency of traveling waves of amplitude 7.70 mm in order that the average power be 85.0 W?
December 6, 2011

algebra
what are two different word phrases for the expression t/30 ?
December 5, 2011

Physics
A 171-N child sits on a light swing and is pulled back and held with a horizontal force of 73.5N. The magnitude of the tension force of each of the two supporting ropes is?
December 5, 2011

Physics
A sinusoidal wave is traveling on a string with speed 30.00 cm/s. The displacement of the particles of the string at x = 15 cm is found to vary with time according to the equation y = (5.0 cm) sin[1.5 - (3.0 s-1)t]. The linear density of the string is 5.0 g/cm. (a) What is the...
December 3, 2011

Physics
I kinda wrote my equation wrong so heres a new version: y' = (0.30 cm) sin[(π/3 cm^(-1))x] cos[(55πs^(-1))t]
December 3, 2011

Physics
A string vibrates according to the equation y' = (0.30 cm) sin[(π/3 cm-1)x] cos[(55π s-1)t] What is the speed of a particle of the string at the position x = 1.5 cm when t = 9/8 s?
December 3, 2011

Physics
The equation of a transverse wave traveling along a very long string is given by y = 5.2 sin(0.013π|x + 4.7π|t), where x and y are expressed in centimeters and t is in seconds. (a) Determine the amplitude. (b) Determine the wavelength. (c) Determine the frequency. (d...
December 3, 2011

Physics
A string fixed at both ends is 8.71 m long and has a mass of 0.119 kg. It is subjected to a tension of 92.0 N and set oscillating. (a) What is the speed of the waves on the string? (b) What is the longest possible wavelength for a standing wave? (c) Give the frequency of that ...
December 3, 2011

Physics
Thanks I got it now.
December 3, 2011

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