Thursday
August 25, 2016

Posts by Patricia

Total # Posts: 327

Physics
A proton (mass m = 1.67 10-27 kg) is being accelerated along a straight line at 3.6 1015 m/s2 in a machine. The proton has an initial speed of 2.4 107 m/s and travels 2.8 cm. (a) What is its speed? (b) What is the increase in its kinetic energy?
February 25, 2013

calculus!!!
Use wolframalpha Saved me.
February 20, 2013

Math
For some constants A and B, the rate of production, R(t), of oil in a new oil well is modelled R(t)=A+Be^(-t)sin(2πt) where t is the time in years, A is the equilibrium rate, and B is the "variability" coefficient. Find the total amount of oil produces in the ...
February 20, 2013

math
let x represent one of the shirts and then set up the equation 3x-(3x*.3)=63 because there are 3 shirts and after you find the total of the shirts you would usually subtract the percentage of that total from the total. The equation equals 63 from what was given. then solve 3x...
February 19, 2013

Calculus II
For some constants A and B, the rate of production, R(t), of oil in a new oil well is modelled R(t)=A+Be^(-t)sin(2πt) where t is the time in years, A is the equilibrium rate, and B is the "variability" coefficient. Find the total amount of oil produces in the ...
February 19, 2013

Physics
The only two forces acting on a body have magnitudes F1 and F2 and directions that differ by an angle θ. If the resulting acceleration has a magnitude a, what is the mass of the body?
February 8, 2013

Chemistry
Assuming that the [Potato extract] is .001 M and I am going to make a 10 ml solution and each drop is 1/20th of a mL, how do I calculate the [Potato extract] in each reaction solution, using 20 drops, 15, 10, and 5 drops for each one?
February 6, 2013

Physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 28° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?
February 5, 2013

4th grade math
Thanks to both of you for replying, now it makes sense.
January 30, 2013

4th grade math
In helping my 4th grade grandson last night with his math, he had problems like this 93 * 18. I asked what the asterisk meant and he said the teacher said to "figure it out"
January 30, 2013

Physics
For the following three vectors, what is 3C·(2AxB)? A = 2.00ihat + 3.00jhat - 5.00khat B= -3.00ihat + 5.00jhat + 2.00khat C = 9.00ihat - 8.00jhat
January 29, 2013

Physics
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. He was supposed to travel due north for 4.9 km, but when the snow clears, he discovers that he actually traveled 7.8 km at...
January 29, 2013

Physics
At a certain time a particle had a speed of 16 m/s in the positive x direction, and 2.2 s later its speed was 30 m/s in the opposite direction. What is the magnitude of the average acceleration of the particle during this 2.2 s interval?
January 27, 2013

Physics
Thank you so much!
January 27, 2013

Physics
At a certain time a particle had a speed of 16 m/s in the positive x direction, and 2.2 s later its speed was 30 m/s in the opposite direction. What is the magnitude of the average acceleration of the particle during this 2.2 s interval?
January 27, 2013

Macroeconomics
1. Consider the economic situation in the U.S since 2008 and discuss how supply side and demand side economic may be used to solve the current problems. Also, explain why you believe that these two approaches may or may not work. 2. Provide a numerical example and show how a ...
December 18, 2012

macroeconomics
1. Consider the economic situation in the U.S since 2008 and discuss how supply side and demand side economic may be used to solve the current problems. Also, explain why you believe that these two approaches may or may not work. 2. Provide a numerical example and show how a ...
December 18, 2012

math 6th grade
Y=X ???
December 4, 2012

medical Technologies
Which classification system uses resident assessment data to assign residents to one of fourty-four groups, with each assessment applying to specific days within a resident's stay?
November 11, 2012

Accounting
Accounting for a Job-Order Cost System [LO 3, 6, 7, 9] Bob and Beth Ford retired from the food services industry and began catering wedding receptions on a limited basis. The major costs in setting up their business included: linens, $1,600; two complete silver services, $1,...
October 1, 2012

essay
Imagine that you are hosting a group of exchange students next term. You are responsible for welcoming the students to campus and acquainting the students with life on campus socially as well as academically
September 21, 2012

chemistry
If the sun is 150,000,000 km away, how many minutes does it take light to travel from the sun to the earth? Assume light travels at a speed of 3.0x10^10 cm/sec
September 12, 2012

Geometry
Quadrilateral JKLN is a rhombus with diagonals JL and KM. Find m<3
September 5, 2012

microbiology
What characteristics of living things do viruses have?
August 30, 2012

Algebra
1/6p+14<20?????? Help explain please!
August 24, 2012

Algebra
1p+14<20 I have tried everything! Please explain?
August 24, 2012

algebra
I'm having difficulty solving 0.7y+9=y+15????? I know the answer is 20 but can't remember procedure. Do I change the decimal to a fraction 1st???
August 23, 2012

business
Would you invest in the company you reviewed based on the information contained in the annual report? Why or why not? Please list examples to support your answer.
June 17, 2012

PHYSICS
An 800.0 kg roller coaster car is at rest at the top of a 95 m hill. It rolls down the first drop to a height of 31 m. When it travels to the top of the second hill, it is moving at 28 m/s. It then rolls down the second hill until it is at ground level. What is the kinetic and...
June 6, 2012

Algebra
simplify the following expression; express in terms of i. ã-98
May 27, 2012

English
Wow... Ms. Sue, you have the attitude of my old French teacher; in which she got fired and her teaching license removed :)...
May 13, 2012

algebra
show me how to work this problem b/3+6=82
May 4, 2012

algebra
show me how to work this problem b/3+6=82
May 4, 2012

applied business law
Jud Wheeler signed a contract to purchase 10 acres of land in Idaho from the Krauses. If Jud offered the Krauses considerably less for their property than its possible market value and the Krauses accepted the offer, could they avoid the contract on later learning that they ...
May 1, 2012

chemistry
what is the hcl of 2.00x 10 squared mL of 0.51
April 27, 2012

Statistics
two hundred math 115 students kept trak of the number of hours of homework they did during the fall 94 semester. the results are found to closely approximate a normal distribution with mean 14 hours and standard deviation 2 hours. determine the fraction of the students who ...
April 21, 2012

chemistry
4.46x10^-11 g/l
April 9, 2012

Math
A warranty identification number for a certain product consists of a letter of alphabet followed by four-digit number. How many possible identification numbers are there if the first digit of the four-digit number must be nonzero?
April 3, 2012

Math
Monique runs one fourth mondays one half on Tuesday three fourth on wednesday and one mile on Thursday how much does she increase her running time?
April 3, 2012

programming in BASICS
1. The result of computations done in a -----statement are not stored in the computer's memory. A.LET; B. PRINT; C. compute; D. PRINT USING. 2. which of the following statements may appear anywhere you need them in a program, and you can use as many as you want. A. stop; B...
March 28, 2012

programming
1.which of the following statements allows many branches or alternatives paths? A.IF-THEN; B.ON-GOTO; C. GOTO; D. all of the above. 2.The system command ---- is used to tell the computer to execute the program A.LIST B.EXECUTE C.END D.RUN 3. -----notation is used for ...
March 27, 2012

child psychology
My answer is anger.
March 26, 2012

math
The amount of water bucket holds,if b litres of water is added to the bucket already holding 4 litres of water.what is going to be the answer in algebraic expression
March 18, 2012

principles of physics
Yes. It should be in Newtons. :)
March 9, 2012

Life Orientation
I need answers
March 8, 2012

math
Show me the fully formula for 3x+4y=10 2x+y=5 simultaneously solve x and y
March 4, 2012

healthcare fiancare
I dont' know if i did problem C) correct and Need some direction in figuring out the annual interest rate. I have submitted my work so far. Can you give me guidance if I an on the right track or in left field
February 12, 2012

healthcare fiancare
HINT: 6% X $1,000,000 – {20% X ($1,000,000 – (6% X $1,000,000))} = 6% X $1,000,000 – {20% X ($1,000,000 - $60,000))}= 6% X $1,000,000 - {20% X $940,000}= 6% X $1,000,000 - $188,000 = $60,000 - $ 188,000= -$128,000 A) The interst due on a 10% loan of $1,000,000 ...
February 12, 2012

Finance
Your firm is considering the following three alternative bank loans for $1,000,000: A) 10 percent loan paid at year end with no compensating balance. B) 9 % laon paid at year end with a 20% compesating balance. C)6% loan that is discounted with a 20% compensating balance. We ...
February 12, 2012

Physics
26.31 m/s 18.68 m 1.95 s
February 5, 2012

economics
label a point f inside the curve. why is this an inefficient point? label a point g outside the curve. why is this point unattainable? why are pointS A THROUGH E ALL EFFICIENT POINTS?
January 22, 2012

economics
label a point f inside the curve. why is this an inefficient point? label a point g outside the curve. why is this point unattainable? why are pointS A THROUGH E ALL EDDICIENT POINTS?
January 22, 2012

statistics
The population is the group of random people selected that entered Fit Right Health. The samples are the herb and the placebo. The study is experimental because you are testing a herb on the population. The variables are the population taking the actual herb and those who are ...
November 10, 2011

statistics
A group of adults of 200 aged 21 to 50 were selected from those entering Fit Right Health stores in Washington state, and were randomly divided into two groups. One group was given an herb and the othe placebo. After 6 months, the the number of respiratory tract infections in ...
November 10, 2011

World Geography
Nov 10, 2011 - 17:06 Call for ban on tobacco ads Prevention experts have renewed calls for a ban on tobacco advertisements and sponsoring to protect young people from the risks of smoking. They said the current regulations did not go far enough and the tobacco industry was ...
November 10, 2011

health
Your community leaders have noticed an increase in positive STD test reports from the CDC. The nearest health department is more than 30 miles from your community. How might a community become involved in making public health interventions more effective in this situation? ...
November 10, 2011

MATH (PLease HELp)
Megan has three times as many quarters than nickels. She has one less dime than the number of quarters. If she has a total of $4.30, how many of each coin does she have ?
October 18, 2011

Physical Science
what forward force must the ground apply to the foot of a 60.0 kg person to result in an acceleration of 1.00m/s^2
October 14, 2011

chemistry
what are some experimental observations which support the theory that there is restricted rotation around double bonds? I know it would require more energy to breakthe pi bonds so maybe higher melting point? I can't think of anything else really.
October 8, 2011

Arts and Science of quality of Learning
How to write a objective question
October 5, 2011

calculus
ind an equation of the tangent line to the curve at the given point. y = sin 6x + sin2 6x, (0, 0)
October 3, 2011

calculus
What is the slope and y-intercept of the line whose equation is 4x+y+6=0.
September 14, 2011

Statistics
How can I get this homework help on Mon, sept 5, 2011.
September 5, 2011

RETAIL MANAGEMNT
Discuss they types of advertising media that you think are most appropriate for a restaurant that has a large population of foreign guests.
September 4, 2011

Administration of Criminal Justice
You are the captain in the police department’s special response unit. Your unit normally handles many special projects for the chief of police, from providing officers for parades and demonstrations to targeting an area in which there is a serious ongoing crime problem. ...
August 31, 2011

chemistry
You have a 22 g sample of ethanol with a density of 0.7893 g/mL. What volume of ethanol do you have?
August 15, 2011

math
i took the sat and recieved a score of 488 on the math section. the average score was 445 with a standard deviation of 110. where does my score fit in the sample and what is the z score?
July 29, 2011

math
i have two two judges convicting a robberer judge a mean is 33.0 and standard deviation is 2.0. judge b has a mean of 30.0 and a standard deviation of 8.1. which judge would the robber want to sentence?
July 29, 2011

alg
1. (20 points) Police use the equation to estimate the speed (s) of a car, in miles per hour, based on the length (x), of its skid marks upon sudden braking on dry asphalt. a. Solve this equation for d. b. A motorist is involved in an accident. The skid marks are measured to ...
July 23, 2011

biology
You are attempting to determine whether a plant-derived processed food sample (for example, a corn chip) contains material from a genetically-modified organism (GMO). First, you crush the sample and attempt to extract DNA from it. Next, you perform PCR using two different sets...
July 22, 2011

math
Andrew’s car starting at 12:00 noon travels west at a speed of 30 kph. Andrei’s car starting from the same point at 2:00 pm travels north at 45 kph. Find how fast the two are separating at 4:oopm.
July 18, 2011

math
4.5 hours
May 24, 2011

calculus
Use an appropriate local linear approximation to estimate the value of cotangent 44 degrees.
May 1, 2011

Chemistry
ia 3ag2S+2AL = 6 ag +al2s3 a double replacement or single replacement
April 27, 2011

economics
use the expenditure equation for gdp=c+i+g+xn find the values for each sector for the years 1929 and 1933. determine the precentage change for the two years.
April 19, 2011

Personal Finance
20,1254
January 29, 2011

bio 101
get your crystal ball to work it is bright sunny. The question is ho the organism in the diagrm has evolve physiologically to become suited to its environment. thank you
December 11, 2010

English, 10th grade
What are 2 complications in the novel, The Plague by Albert Camus?
November 19, 2010

math
20 copies = 50 lbs 1copy = x lbs 50/20 = x/1
November 19, 2010

math
2(10) + 2(15) = 50 m 15 +10 = 25 50:25 = 2 I've got this question in my school also and my teacher gave this answer
November 11, 2010

Algebra II
thanks!
November 6, 2010

Algebra II
Solve for n, N=(n^2-9n)/20
November 6, 2010

5th grade
24x4
October 14, 2010

math
COMPLETE THE TABLE FOR X AND y. (1,8), (2,14), (3,?), (?,24), (?,28). WHAT IS THE PATTERN FOR THE X AND Y INPUTS. WHAT IS THE RULE?
September 27, 2010

Algebra
Factor: 2x^8y^6+16x^6y^5+12xy
August 31, 2010

G.A
hard question
August 28, 2010

Algebra
Can someone please help me with this problem: Solve: -14<_3x-3<_-2
August 20, 2010

math
30/41
August 16, 2010

social studies
thank you Ms. Sue
June 3, 2010

social studies
what have been the reasons for the US' interactions internationally?
June 3, 2010

social studies
us reasons for interactions abroad
June 3, 2010

10th grade
Construct square ABCD and square GHIJ explain the answer showing step by step.
June 3, 2010

general science
in physics the desire of an object to keep doing what it is doing" is temed _______.
May 29, 2010

mathematics
the coordinates of the center of the hole in the paper are _____________.
May 17, 2010

mathematics
using a graph plot the following points: point 1 (1,0), point 2 (1,-1), point 3( 1,-2), point 4(2,-2)draw lines to connect from point 1 to point 3 to point 4, the lines you have just drawn most resemble which of the following letters of the alphabet? x, o, n, or l.
May 17, 2010

mathematics
the coordinates of the center of the hole in the paper are _____________.
May 17, 2010

Hum205
Assume you are a Humanities instructor tasked with explaining the social role of the arts in the Middle Ages. What are three relationships between the arts and Early Middle Ages culture you would want your students to know? What are three relationships between the arts and ...
April 21, 2010

math
you get 65 is that the answer. but the triangle has three sides two would be equal and the bottom one would be longer right?
April 19, 2010

math
the perimeter of a triangle is 195mm if the length of the sides are consecutive odd integers. what is the length of each side?
April 19, 2010

Algebra
(-7+p)(8+p)
April 18, 2010

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