Friday
June 24, 2016

Posts by Sally

Total # Posts: 1,127

Physics
I am uncertain on how to use gauss's law to derive the expression for the electric fields
June 15, 2016

Physics
An infinitely long, solid insulating cylinder with radius a has positive charge uniformly distributed throughout it with a constant charge per unit volume p. a) using Gauss's law, derive the expression for the electric field inside the cylinder r<a from the axis of the ...
June 15, 2016

mathematics
so instead of putting 40 squared i would put 40^2 correct? Thank you!
June 9, 2016

ALGEBRA
I dont understand
June 9, 2016

ALGEBRA
what about the rest?
June 9, 2016

ALGEBRA
Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and intercepts. Part 2. Show ...
June 9, 2016

Algebra
is that the answer?
June 9, 2016

Algebra
Create a system of equations that includes one linear equation and one quadratic equation. Part 1. Show all work to solving your system of equations algebraically. Part 2. Graph your system of equations, and show the solution graphically to verify your solution.
June 9, 2016

Algebra
Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. Certificates are given to students whose scores are in the top 2% of those who took the test. This means that they scored better than 98% of the other test ...
June 9, 2016

Math
Ms. Sue?
May 4, 2016

Math
Maria wants to cover the box shown below with paper.Which of the following could be the dimensions of the paper so that Maria has enough to cover the box, including the ends, with a little left over? Shape: Rectangular Prism Length:8 in Width: 2 in Height: 2 in A) 8 in x 4 in ...
May 4, 2016

Math
Ms. Sue? Reed? Anyone?
May 4, 2016

Math
Maria wants to cover the box shown below with paper.Which of the following could be the dimensions of the paper so that Maria has enough to cover the box, including the ends, with a little left over? Shape: Reactangular Prism Length:8 in Width: 2 in Height: 2 in A) 8 in x 4 in...
May 4, 2016

Math
thanks!
May 3, 2016

Math
Find the surface area of the prism. Rectangular Prism L=13 m W=6 m H=5 m A) 48m B)346m**** C)780m D)195m Please help!
May 3, 2016

Chemistry- polarity
Is 2,4-Hexadiyne-1,6-diol a polar or non-polar compound? I think it is non-polar, based on the the high retention factor (0.89) I got from the TLC.
May 1, 2016

LA
thanks so much.
April 29, 2016

LA
This summer, we will host an exchange student from Ecuador. What is the prepositional phrase in the sentence? a) This summer b) we will host c) an exchange student d) from Ecuador **** please help!!
April 29, 2016

LA (Ms. sue?)
Thanks!
April 27, 2016

LA (Ms. sue?)
The phrase closest in meaning to destined for is a) meant for* b) married to c) interested in d) loved by please help idk if it's a or c!! Ms.Sue?
April 27, 2016

math
Solve each equation by using the Quadratic Formula. Round to the nearest tenth if necessary. 1.6x2 + 2x + 2.5 = 0
April 27, 2016

math
How is the squareroot of -1 classified?
April 22, 2016

Social studies
Thanks, Ms.Sue
April 20, 2016

Social studies
Byzantine civilization was based on Roman traditions at first, but eventually was much more influenced by _________ culture. German Greek** Slavic Egyptian I need help asap!
April 20, 2016

math
| x + 1 | + 6 = 3
April 20, 2016

Geometry
Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?
April 19, 2016

Geometry
Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?
April 19, 2016

help ms. sue/ science
how is a parallel circuit different from a series circuit? Need help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
April 15, 2016

L.A.
Never mind, the answers are: 1.D 2.A 3.B
April 15, 2016

L.A.
1.? 2.A 3.D 1. What changes might help "Happiness is a charming Charlie Brown at orlando rep" to take on the general purpose of "You're a good man, Charlie Brown?" A. more facts and examples B. appeals to logic C. a formal style and persuasive language ...
April 15, 2016

plz help
Soooooooooooooooooooo...
April 15, 2016

Ela
If you are referring to the LA quick check on "you're a good man, Charlie brown" for Connexus, the answers are: 1. A,B,C,D (YOU CHOOSE) 2.B 3.B Hope that helps!
April 14, 2016

Health
The following is a health benefit of a nicotine substitute: it is cheaper than regular cigarettes so you can still get the benefit of nicotine at a lower cost. true false** I have no clue. can someone please help me?
April 12, 2016

Healthcare Statistic
The HIM coding supervisor agrees to pay a new graduate $13.50 per hour. This is a full-time coding position at 2,080 hours per year. The cost for a full-time employee's fringe benefits is 24 percent of the employee's salary. How much must the supervisor budget for the ...
April 10, 2016

History
Where are your answers?
April 6, 2016

Science
Wait no, is it C?
April 6, 2016

Science
Why is a gas able to flow? It's particles have melted and can move around. It's particles have high viscosity and can move around. It's particles have enough energy to move around. It's particles have enough pressure to move around.** not sure of the answer. ...
April 6, 2016

Math
Oh okay thanks! Sorry that was such a dumb question lol my brain was not working.
April 6, 2016

Math
Similar polygons are _____ the same size. always sometimes** never I'm having a brain fart. ahh! please help!
April 6, 2016

History (check answer!)
I'm late but the answer is C
April 6, 2016

History
thank you!
April 6, 2016

History
The Roman Empire was largest during which emperors rule? Hadrian Nerva Marcus Aurelius Trajan*** please help!
April 6, 2016

Check answers?
A!
April 6, 2016

Math
Because if the room is square, and the walls are 14 ft long, 14 * 14 is 196 square ft. 90 times 3 is 270, and it is the least number there, and 2 (even though it is not there, it would equal 180). Am I right?
April 4, 2016

Math
Each pail of plaster covers 90 square feet of ceiling. What is the least number of pails of plaster you would need to buy to cover the ceiling of a square room with walls 14 feet long? 5 pails 6 pails 3 pails (my answer) 4 pails
April 4, 2016

math
BOOKS A library contains 2000 books. There are 3 times as many non-fiction books as fiction books. Write and solve a system of equations to determine the number of non-fiction and fiction books.
April 4, 2016

Math
51.75 cubes
March 26, 2016

Science
I'm late, but yes, it's d.
March 16, 2016

Calculus Related Rates
A balloon, 50 feet from an observer, is rising at 20 ft/sec. At 5 seconds after lift off 1. How fast is the distance between the observer and the balloon changing? 2. How fast is the angle of elevation changing? I need help on both questions. Thanks in advance smart people!!
March 14, 2016

Algebra
No
March 13, 2016

Algebra
Is .0010001... Rational?
March 13, 2016

math
B is my guess but I need help too
March 11, 2016

math
it might be b I'm not sure
March 11, 2016

Geometry
I think John is right
March 5, 2016

Calculus Related Rates
Two people leave from the same spot and walk at 4ft/sec going north and 5ft/sec going northwest. At 30 seconds, how fast is the distance between them changing?
March 3, 2016

Calculus Related Rates
Mulch is dumped into a pile with height always 1/3 the diameter at a rate of 30 ft^3/hr. How fast is the height increasing when it is 6 ft tall?
March 3, 2016

math
a private jet flies the same distance in 6 hours that a commercial jet flies in 4 hours.if the speed of the commercial jet was 143 mph less than 2 times the speed of the private jet, find the speed of each jet
February 27, 2016

algebra
BASEBALL The equation h = –0.005x2 + x + 3 describes the path of a baseball hit into the outfield, where h is the height and x is the horizontal distance the ball travels. a. What is the equation of the axis of symmetry? b. What is the maximum height reached by the ...
February 26, 2016

Adelphi
Which is a guideline for doctors pursuing research with human subjects?
February 23, 2016

Physical Science
Which SI unit is used to measure length? A. meters B. newtons C. grams D. liters
February 9, 2016

algebra
x^2 + x - 12 What is the minimum value of y?
February 4, 2016

algebra
Determine whether each expression is a polynomial. If it is a polynomial, find the degree and determine whether it is a monomial, binomial, or trinomial. 1. 7a^2b + 3b^2 – a^2b 2. 6g^2h^3k
February 3, 2016

physics
In a thundercloud there may be an electric charge of 46 C near the top of the cloud and −46 C near the bottom of the cloud. If these charges are separated by about 6 km, what is the magnitude of the electric force between these two sets of charges? The value of the ...
January 28, 2016

Calculus
Please help me find the limit: lim x--> 2 ((1/3)-1/sqrt(x))/)x-9)
January 24, 2016

math
what is a prime number?
January 16, 2016

Science
B?
January 7, 2016

Algebra 1
A should be correct.
January 5, 2016

Math???Plase Help
7/9
January 5, 2016

Math
A group of 21 people have enough food for 24 days. If 15 additional people join them, they would have enough food for only___days. (Assume everyone eats the same amount of food each day)
January 4, 2016

Math
During its first week of business, a market sold a total of 108 apples and oranges. The second week, five times the number of apples and three times the number of oranges were sold. A total of 452 apples and oranges were sold during the second week. Determine how many apples ...
December 18, 2015

Algebra
gilbert plans to invest 9% and 11% annually. if he want to earn$1200 annually how much should he invest in each bond.
December 16, 2015

Statistics
A machine fills 12 ounce bottles with soda. For the machine to function properly, the standard deviation of the sample must be less than or equal to 0.02 ounce. A sample of 8 bottles is selected, and the number of ounces of soda in each bottle is given. At alpha +0.05, can you...
December 6, 2015

Science...anyone?
Thanks, you saved my grade...um...the Answerer. P.S.: Are you a wiz kid?
November 30, 2015

Science...anyone?
1. Which of these sources of energy is NOT renewable? a.) wind b.) solar power c.) hydroelectric power d.) natural gas 2. Air can be polluted by _____. a.) tiny particles of soot b.) carbon monoxide c.) sulfuric acid d.) all of the above 3. Which of the following can cause ...
November 30, 2015

Finance
Homework Help: Finance Posted by Sally on Monday, November 23, 2015 at 8:02pm. The answer given by Finance - Anonymous , Monday, November 23, 2015 at 8:12pm Add the tax to the "before tax" to get the answer was not helpful. I am hoping someone can give me a guided ...
November 24, 2015

Finance
Anonymous, I still don't understand.
November 23, 2015

Finance
Jiminy's Cricket Farm issued a 30-year, 7.2 percent semiannual bond 6 years ago. The bond currently sells for 87.5 percent of its face value. The book value of this debt issue is $103 million. In addition, the company has a second debt issue, a zero coupon bond with 9 ...
November 23, 2015

Geometry
The coordinates of a triangle are X(0,0, Y(2h,2h), and Z(4h,0). Is the triangle a right triangle? Show work to support your answer. I don't really know how to solve this, or show m work.
November 17, 2015

c++ programming
I need some help with my homework please Write a C++ program to prompts the user to enter the first character of shape name (Cycle, Rectangle, or Triangle). Then calculate the area of that shape. „h If the user enters another character the program should print: You should...
November 13, 2015

math
x=$106
November 11, 2015

math 6
Javier solves three math problems in five minutes. He has 20 math skill-work questions for homework, and he wants to complete them before talking with friends. How many minutes will javier take to complete 20 math skill work questions
November 5, 2015

math
GEOMETRY The formula for the perimeter of a rectangle is P = 2 + 2w, where is the length and w is the width. A rectangle has a perimeter of 24 inches. Find its dimensions if its length is 3 inches greater than its width.
November 3, 2015

math
Dracula, Frankenstein, Mummy, Gilda and Zelda are all having a Halloween party. Each of them has given an invitation to all of the others. How many invitations have been given out?
October 28, 2015

physics
Power applied to a particle varies with time as P=(3t^2-2t+1)W. Find the change in kinetic energy between t=1s and 4s.
October 27, 2015

math
8 - (-n) = 1
October 21, 2015

science
is tap water a pure substance..?
October 15, 2015

science
is a polyatomic considered a compound?
October 15, 2015

math
Aren't we suppose to get rid of the -2 to get x.. by dividing on both sides?
September 26, 2015

math
3x-2y=8 5x-2y=9 using elimination method.. please help.
September 26, 2015

physics1
Vector A has a magnitude of 6 and is at an angle of 32.4 degrees measured counter-clockwise from the x axis. Vector B has a magnitude of 12 and is at an angle of 113.8 degrees measured counter-clockwise from the x axis. Vector C has a magnitude of 17 and is at an angle of 180...
September 24, 2015

physics
Copy of Vector A has a magnitude of 5 and is at an angle of 29.7 degrees measured counter-clockwise from the x axis. Vector B has a magnitude of 12 and is at an angle of 115.4 degrees measured counter-clockwise from the x axis. Vector C has a magnitude of 18 and is at an angle...
September 24, 2015

Calculus 3! ASAP please
Also, I do not understand how to add magnitudes. Please help. Let u and w be vectors in R3 such that ||u||=3 and ||w||=2 and the angle between the vectors is pi/2; what is the value of ||3u-4w||? - answer is sqrt(145)
September 22, 2015

Calculus 3! ASAP please
1.A given line is described by the system of equations x=2t+7; y=-3t+4; z=5-t; find the equation of a line parallel to the given line and which contains the point (1,1,0). 2.Let a=<0,6,2> and b=<0,2,4>, then the component of a parallel to b is given by? - the ...
September 22, 2015

Algebra 2
Did I solve this complex rational expression correctly? (2/3)-(x)/(2/3)+(x) 2/3-x = 2/3-x(3)/1(3)= (-x)+(2/3) (2/3)+ (x)= 2/3 + x(3)/1(3)= (x)+(2/3) (-x)+(2/3)/(x)+(2/3) = -(3x-2)/(3x-2)
September 12, 2015

algebra
Of Maria's total salary, 1/4th goes to taxes and 2/3rds of what remains goes to food, rent, and bills. If she is left with $500 each month, what is her total monthly salary?
September 9, 2015

English
how do you write an evaluation for a narrative about Cry Freedom explaining techniques you have used in your narrative(eg. simile, metaphor, structure)???
August 26, 2015

Statistics
The average mark on an entrance exam was 70%, with a standard deviation of 9.6. In order to be accepted you must get 60% or better. If 800 students wrote the exam how many were accepted?
May 21, 2015

periodic functions
At time 4 minutes your submarine is at its deepest, y= -1000m. At time 9 minutes you are at your shallowest, y= -200. Sketch the graph. Write the equation. Your sub is designed to cruise below y= -300 meters. At time zero was your submarine at its cruising depth? Between what ...
May 21, 2015

math
Ava made 100 paper cranes, and Brittany made 3/4 of the number of paper cranes Ava made. Ava gave 9/20 of her paper cranes to Brittany. Then, Brittany gave 1/4 of her paper cranes to Ava. How many more paper cranes did Brittany have than Ava in the end?
May 21, 2015

Math!!! Please help!!!
Find the coefficient of x^7 for (x-3)^11 Use the binomial theorem to expand (2y-3x)^5 Prove that (n over r)= (n over n-r) for all integers where n is greater than or equal to r and r is greater than or equal to zero Prove that (n over n-2) + ( n+1 over n-1)= n^2 for all ...
May 17, 2015

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. Next>>