Posts by Taylor
Total # Posts: 1,983

Algebra
Solve the system by elimination 2x + 2y + 3z = 0 2x  y + z = 3 2x + 3y + 3z = 5 
Algebra
Can someone please help me I'd really appreciate it Solve the system by substitution x  y  z = 8 4x + 4y + 5z = 7 2x + 2z =4 
physics
A 65.2 kg person jumps from rest off a 3.11 mhigh tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.08 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This ... 
physics
On a frozen pond, a 13.9 kg sled is given a kick that imparts to it an initial speed of v0 = 1.81 m/s. The coefficient of kinetic friction between sled and ice is μk = 0.122. Use the work kinetic energy theorem to find the distance the sled moves before coming to rest. 
Algebra
Solve the system by substitution: 4.5x2y=12.15 3.25xy=0.75 
Chemistry
To prepare a solution of NaCl, you weigh out 2.634 (0.002)g and dissolve it in a volumetric flask whose volume is 100.00 (0.08) mL. Express the molarity of the solution, along with its uncertainty. 
Math
In Cathy's garden 5/6 of the area is planted with flowers. Of the flowers, 3/10 of them are red. What fraction of Cathy's garden is planted with red flowers? 
Chemistry
A 635 mL solution of HBr is titrated with 0.51 M KOH. If it takes 1569 mL of the base solution to reach the equivalence point, what is the pH when only 141 mL of the base has been added to the solution? 
American Government
It’s not b I just took the quiz 
physics
Block A (Mass = 5.195 kg) and Block B (Mass = 3.330 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a frictionless, massless pulley... 
Science
The density of steel metal is 7.81g/cm3. 
physics
Two ropes are pulling upward on a large crate. The weight of the crate is 458 N. The tension in the left rope is the same as the tension in the right rope.If the crate is accelerating upward at a rate of 1.95 m/s2, and the tension in the two ropes is the same, what is the ... 
Social Studies
Thank you so much Alex!:) 
physics
Determine the direction of frictional forces (left, right, up down) for the objects: 1) A cup resting on top of a car. The car is moving and accelerating to the right. 2) A block being pushed to the right up an incline. 3)A block being placed at the middle of an incline (slope... 
Math
Create a story problem (scenario) that could be solved using the expression:1 1/2 
Alg
A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore. 
Alg
Find a reasonable domain and range for each function A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore 
Alg
A charter boat travels at a maximum rate of 25 mph. The function d(x) = 25x represents the distance d(x),in miles, that the boat can travel in x hours. The charter boat travels a maximum distance of 75 miles from the shore. 
Alg 1
To earn a B in your Algebra class, you must achieve an unto under test average between 84 and 86 (inconclusive). You scored 86,85, and 80 on the first three tests of threading period. What possible scores can you earn on the fourth and final test to earn a B in the course? 
American Government
Oh okay thank you 
American Government
Or would it be A since the national and state share power 
American Government
Would it be D? 
American Government
why does federalism create tension between state and national governments? A.) Both national and state governments share power. B.) state and local governments have no support from national government C.) states are not able to work with each other D.) the national government ... 
American government
How does the 10th amendment shown below demonstrate a constitutional provision for limiting government? The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people. A.) It ... 
American government
1. Was c not D 
American government
Thank you so much 
American government
1.) Which of the following is true about the formal amendment process for the Constitution? A.) Any citizen may propose an amendment. B.) only Congress may propose an amendment. C.) both houses of Congress must pass a resolution to propose an amendment. D.) the president can ... 
Social Studies
THANK YOU GUYS SOOOOO MUCH FOR THE HELP! I GOT A 100% 
social studies
#4 is c (just took the test) 
college physics
A student observes 30 waves traveling down a string in a lab experiment. It takes 10 seconds for the waves to all go by. What is the frequency of the waves (in Hz)? 
College physics
Please help me... I have no idea where to begin...A tone of 4000 Hz is being played on a tuning fork. You run toward the tuning fork at 5 m/s. What frequency do you hear? Take the speed of sound to be 343 m/s. 
Economics  PLEASE HELP
We don't have a text. It's an online class and we never learned any of this. Thanks, though. 
Economics  PLEASE HELP
So.. Here's my second try: 1. C 2. A 3. B 4. A 5. B Are these right? 
Economics  PLEASE HELP
Homework Help: Economics PLEASE CHECK MY ANSWERS! 1. The MAIN advantage to a corporation is.. A. Ease of entry B. Limited liability for the owners C. Dividends all go to one person D. Owners share managerial duty E. All of the above (My answer: E) 2. The MAIN advantage to a ... 
physics
A conductor of length 2m carries a current of magnetic field of magnetic flux density 0.5T. The maximum force acting on it is ? 
math
volume of equilateral triangle with and area of 6 sq inches and height of 15 inches 
Math
Find the future value of an ordinary annuity of $70 paid quarterly for 5 years, if the interest rate is 10%, compounded quarterly. (Round your answer to the nearest cent.) 
stats
1. Suppose that you are taking a quiz of 6 multiple choice questions (the instructor chose the questions randomly), each question having 6 possible responses. You did not study at all for the quiz and will randomly guess the correct response for each question. The random ... 
Travel and Tourism
What is the most successful marketing strategy for Travel Agents and Tour Operators? 
Math
How do I use the distributive property to rewrite the math problem 5(4  y? 
Math
Rhonda bought a new jacket that originally cost $80. It was on sale for 20% off. The store charges a 6% sales tax. what is the total cost for jacket? 
Chemistry
A 0.18 g sample of unknown was placed in a flask and dissolved in 125 mL of deionized water. A solution of HCl (0.13 M) was used to titrate the sample, and 16 mL was required to reach the endpoint. What is the formula weight of the unknown? 
Algebra
Please help ASAPPP!!!! I have no idea how to even start on this! f(x)=9x^3+2x^25x+4 and g(x)=5x^37x+4. What is f(x)g(x)? Show all of your steps and wrote your final answer in factored form. If someone could help me work through this problem that would be great! 
physics
Two electricallycharges spheres are suspended from insulated threads a certain distance from each other. There is a certain amount of electrostatic force between them. Describe specifically (not just increase or decrease) what happens to this force in each of the scenarios ... 
History
C: the value of paper money decreased, leading to inflation 
Math
Company A charges $5 plus $0.10 per kilometre, company B charges $1 plus $.50 per km how far could you go and still pay less then company A? you need to use a inequality is what the teacher said 
Science
The water in a puddle has a mass of 1500 grams. The sun comes out and the puddle evaporates. How many grams of water vapor enter the air from the puddle? 
Trigonemtry
46.63 
Math
What is the largest whole number that will round up or down to 900900900 if we're rounding to the nearest hundred 
Math
please show me how to do this... A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work.Sn: 12 + 42 + 72 + . . . + (3n  2)2 = n(6n^23n1)/2 Also, please show ... 
chemistry
at certain altitude in the upper atmosphere, the temperature is estimated to be 100 degree celsius and the density just 10^9 that of the earth's atmosphere at STP. Assuming a uniform atmosphere at STP. Assuming a uniform atmospheric composition, what is the pressure, in ... 
calculus
Find the point on the line –3x+4y–5=0 which is closest to the point (0–5) 
Math
Eric's notebook has 30 pages he wants to number all the pages beginning with 1 how many digits will he write when he writes in his notebook 
Chem
The three substances that can reduce Ag+ to Ag, but will not reduce Sn2+ to Sn are Zn Pb H2 Mg Cu I2 Al Ca 
chemistry
The three substances that can reduce Ag+ to Ag, but will not reduce Sn2+ to Sn are Zn Pb H2 Mg Cu I2 Al Ca 
Finite
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model B hibachi requires 4 lb of cast iron and 3 min of labor. The profit for each model ... 
Algebra
The lighting for a billboard is provided by solar energy. If 6 energy panels generate 10 watts of power, how many panels are needed to provide 550 watts of power? 
Chemistry
The three substances that can reduce Ag+ to Ag, but will not reduce Sn2+ to Sn are Zn, Pb, H2, Mg, Cu, I2, Al, Ca 
Calculus
thank you very much! It has taken me almost 2 hours to do this 
Calculus
Water is leaking out of an inverted conical tank at a rate of 13500.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 12.0 meters and the diameter at the top is 5.5 meters. If the water level is rising... 
Chemistry
2NO + O2 yield 2NO2 Suppose that a particular moment during the reaction nitrogen monoxide (NO) is reacting at the rate of 0.074 M/s 1. At what rate is NO2 being formed? 
algebra
The sum of two and the product of one and a number xx. 
Physics
How do you calculator the percent error from a graph? 
Physics
What would the percent error of the experimental value of g be if the accepted value is 9.8 m/s^2? The slope equation is y=.5001430132x.0109639087 
Physics
What would the experimental value of g be if the slope of the graph represents 1/2 g and the equation is y=5.00x.0109639087 
Art
so is it A? or 
Algebra 2
I'm sorry I don't really get matrices, but can you please walk me through the steps of algebraically doing elimination if you know what that is. 
Algebra 2
Solve each system. x4y6z=34 7x+5y7z=24 z=5x7y+18 These are my answers below but I know that they are wrong: x=3894 y=112852 z=107,509,144 I have tried to solve this system probably 10 times, and still not getting an answer that checks back into the original equation... 
Chemistry 102
Using your average value for Kc (6.92x10^2) and the concentrations provided for the reactants (0.00111mol/L for both), determine the absorbance expected when a 16.00mL of Fe3+ is reacted with 10.00ml of SCN and measured in a 1.00cm cuvette. 
Math
@here to help thank you 
Math
4e^(.03x)7=13 
Algebra
A=Lw P=2L+2w 400=2L+2w 4002L=2w 2L=400+2w L=200w A=(200w)(w) A=200ww^2 A=w^2+200 b  = 2a 200 = 2(1) 200  = 2 100 Y=400100 Y=300 So the. Would the length for each side of the rectangle be 50 and the width be 150? 
Algebra
You have 400 feet of fencing to enclose a rectangular plot. Find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed? I'm not sure how to start. We haven't learned this yet in class. 
Math log equation
5^2x+20*5^x125=0 
Math log help
Log3(x)=log9(6x) 
Math
Yes 
Math
10^3x8=2^5x 
Math
Log3(x)=log9(6x) 
Math logs
10^3x8=2^5x 
Algebra logs please help
Log3(x)=log9(6x) 
chemistry
Mno4 + So32 = Mno2 + sO42 (in neutral solution,but H+ ions will appear in the final question) solve this redox reaction and give me the method also Thank you 
science (I NEED BACKUP!!!)
so what are the answers? 
Math
what are the inputs of the following funtions {(3,2),(4,2),(8,3),(7,1)} 
college algebra
The rodent population in a city is currently estimated at 70,000 and is growing according to the Malthusian model. If it is expected to double every 3 years, when will the population reach one million? (Round your answer to one decimal place.) 
Math
For the part a you divide $9.70 and 2.5 then subtract $8.55 then you get you answer. I’m suck on part b though 
Science
thank you julio! 4/4 
Spanish
Your answer was not correct. 
Geography
How does changing scales help better understand issues such as IMR and CMR 
Calculus
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be able to enclose? 
Math
Simplify 3^2 x 5^3 x 2 Divided by 2^8 x 3^5 So confused!! 
Physics
A ship sets sail from Rotterdam, The Netherlands, heading due north at 5.00 m/s relative to the water. The local ocean current is 1.54 m/s in a direction 40° north of east. What is the velocity of the ship relative to the earth? 
Physics, math
What is the answer to this? I don't understand how to solve it. 1.2 = 4.6 tan 50  4.9 (4.6^2)/(x^2 cos^2 50) 
Physics
A basketball player shoots a free throw at a 50 degree angle. Assume the ball is released at a height of 1.8 meters, the hoop is 3 meters off of the floor and 4.6 meters away from the shooter. With what velocity should the player release the ball to hit nothing but net? I have... 
Physics
A basketball player shoots a free throw at a 50 degree angle. Assume the ball is released at a height of 1.8 meters, the hoop is 3 meters off of the floor and 4.6 meters away from the shooter. With what velocity should the player release the ball to hit nothing but net? 
english help please!!
I think the reason that she never read the novel is because the teacher gives you only one chapter at first so that you can try to guess the theme of the novel. 
L.A
thank you:) 
Math
A car travels 480 miles on 15 gallons of gasoline. How many miles does the car travel per gallon? My work Myself shows the answer is 32 mi/gal 
History
Strong Monarchs and large nationstates in the 1400 helped to? A.increase interest in exploration B.overthrow the bristish empire C.decrease the demand for spices D.make all Europeans wealthy I think its b but please help 
Math
A bag contains 5 red, 7 yellow, 8 green markers. What is the p(two green markers) will be chosen if the markers are not replaced as they are chosen? 
Math
What is the circumference of a circle with a point at the center located at (7,5) and a point of the edge (7,12)? Tell me how you can find the answer!