Friday
December 19, 2014

Posts by Jessica


Total # Posts: 2,712

geometry-PLEASE HELP
1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?
May 2, 2010

geometry
thank you for responding but i'm sorry i don't understand what you're saying
May 1, 2010

geometry
i have 2 questions but i can't copy the figure for you to understand the problem. is there a way to scan it attach it and sent it to someone so I can understand? thanks.
May 1, 2010

Physics
jkhjk
April 29, 2010

8th grade math
Kenisha sells athletic shoes part-time at a department store. She can either earn $500 per month plus a 4% commission on her total sales or $400 per month plus a 5% commission on total sales. A)write a system of equations to represent the situation. B)what is the total price ...
April 28, 2010

grammar
1. The role of education plays a big part in financial planning. 2. The role of education also helps you in learning basic math skills in order to better your finances. 3. The whole idea is to help you in becoming a more responsible adult. 4. With effective resource planning ...
April 28, 2010

physics
Hi can someone please explain to me how to get the answers to the following questions. It would be greatly appreciated A pair of horizontal parallel plates are placed a small distance, 4.00 mm, apart in air. Each plate is rectangular with a width of 20.0 cm, and length of 37.0...
April 28, 2010

algebra
find the lcd of the rational expressions 1/35r, (r+3)/10r^2
April 27, 2010

science
what is the pH of the following 1. [H+] = 10 negative 12th power M 2. [H+] = 10 negative 2nd power M 3. [H+] = 10 negative 7th power M
April 26, 2010

chemistry
in which compound does sulfur have an oxidation number of -2 1. SO2 2. SO3 3. Na2S 4. Na2SO4
April 26, 2010

chemistry
Determine the volume (in mL) of a 0.184 M CaCl2 solution that would be required to obtain 73.4 g of CaCl2.
April 23, 2010

math
sketch the feasible region for this system of the inqualities and find the coordinates of each vertex:y greater than or equal to 1;x less than or equal to 2; -1x+2y less than or equal to 6;1x+2y greater than or equal to 2
April 22, 2010

language arts
Do you know about Literary Terms?
April 21, 2010

language arts
I need help finding Literary Terms.
April 21, 2010

9th grade
who is prince henry and what did he do???
April 20, 2010

College Genetics
Using donor DNA from an E. coli strain of leu+ arg+ trp- you transform a resipient strain that is leu- arg- trp+ and select for leu+. The resulting 100 colonies are then screened for the arg and trp markers and the results are outlined in the table below. genotype # of ...
April 14, 2010

Gentics
Using donor DNA from an E. coli strain of leu+ arg+ trp- you transform a resipient strain that is leu- arg- trp+ and select for leu+. The resulting 100 colonies are then screened for the arg and trp markers and the results are outlined in the table below. genotype # of ...
April 14, 2010

social studies
I don't know the answer
April 14, 2010

trig
Establish the trigonometric identity (Hint: Use sum to product) cos(5x)+cos(3x)/sin(5x)-sin(3x)=cot(x)
April 13, 2010

Chem 106
Calculate the grams of HNO3 in 35.0 ml of a 6.00 M HNO3 solution
April 8, 2010

math
thank you so much!!
April 8, 2010

math
a survey was made of 200 students to study their use of the public library. the findings were 60 used readers guide 28 used card cat and info booth 68 used info booth 83 did not use the library 43 used only the card cat explain how the info can be used to conclude that some ...
April 8, 2010

chemistry
how do u find density of the water?
April 7, 2010

Chemistry
can you be more specific? that equation does not make any sense.
April 6, 2010

English
I believe A. is the correct answer for the fact that 1. the mother wouldn't leave the baby as Sra said and 2. why leaving with respect when the baby is screaming..? i doesn't make sence to me, so i would say A. is correct.
April 5, 2010

AP Chemistry
(a) When 300.0 milliliters of a solution of 0.200 molar AgNO3 is mixed with 100.0 milliliters of a 0.0500 molar CaCl2 solution, what is the concentration of silver ion after the reaction has gone to completion? (b)Write the net cell reaction for a cell formed by placing a ...
April 5, 2010

accounting
If you are puchasing furniture from your business and want to use your own owners equity instead of cash what would be the journal entry if any
April 4, 2010

AP Chemistry
In a titration of 50 mL 1 Molar HC2H3O2 with 1 Molar NaOH, a student used bromcresol green as an indicator (Ka = 1 X 10^-5). About how many mL of NaOH would it take to reach the end point with this indicator? What would be a better indicator for this titration; why?
April 3, 2010

math
your answer is correct it is 2
April 3, 2010

science
A node is caused by this
April 2, 2010

Chemistry
Which diffuses faster, the bad smell from a cat-pan due to ammonia or an expensive French perfume with an average molecular weight of 170 g/mol? How much fast does the fast one diffuse?
March 31, 2010

Chemistry
How do I set this up? What formula do I use? Will you please help me? How many liters of ammonia at STP are produced when 10 g of hydrogen is combined with nitrogen?
March 31, 2010

Math
The game of dots is played by rolling a fair dice and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
March 30, 2010

10th grade
which of the following belong in which tropic level; catfish, algae, small aquatic plants, phytoplankton, dandelions, walleye, snails, zebra musse, moose, zooplankton, grasshopper, squirrels, loon, cryfish, goby (fish), ducks, wolf, herring, field mouse, tuna, snake, cougar, ...
March 29, 2010

general science
A compound containing 3 atom of carbon and 8 atoms of hydrogen is combined in a reaction wih oxygen molecules. The two end products of this equation are carbon dioxide (CO2)and water. What element should you look at first in balancing this equation?
March 28, 2010

Calculus II
i need help with long divison
March 24, 2010

5th grade
ineed help with long divison
March 23, 2010

algebra
15,000
March 19, 2010

Communication Language Studies
Thanks! This makes sense.
March 13, 2010

Communication Language Studies
Most modern style manuals endorse the elimination of sexist language. Would the reduction of sexist language influence the thoughts or attitudes of individuals who comply with these standards? Why or why not?
March 13, 2010

his 135
I want to thank you Ms. Sue for the link above. It helped me a ton with figuring out what counterculture is. I had searched so many different key words only to come up short until I found this site. Thank you again!
March 11, 2010

2nd grade
How do you find the perimeter of a letter? for ex. the letter U
March 9, 2010

chemistry
If 3.50g of Na3Po4 and 6.40g of Ba(NO3)2 are added together how many grams of Ba3(PO4)2 will be produce? which reactant is the limiting reactant?
March 8, 2010

Chemistry-Equations
23.9 g its not that hard buddy
March 5, 2010

math
For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer...
March 4, 2010

social studies
Describe how the strong united states action taken in grenada was an attempt to redress an earlier American policy failure in cuba.Be sure to include relevant historical details?
March 4, 2010

math
solve useing the addaditon and multiplication 6-6x > 3-5x x>?
March 3, 2010

math
For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer...
March 2, 2010

Lee
For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most effective for a customer ...
March 2, 2010

Linear Equations
Y-X=4...(EQN 1) X-Y=3...(EQN 2) MAKING X THE SUBJECT IN EQN 2 X=3+Y SUBSTITUTING IN EQN 1 Y-(3+Y)=4 Y-3-Y=4 THE Y GETS ELIMINATED,HENCE THERE IS NO SOLUTION
March 2, 2010

Calculus
Find the derivative of the function: y=(3x^2+5) ln(x+6)
March 1, 2010

write a check
How to write a check for 4,024.29
February 26, 2010

Chemistry Lab
5.00 mL of .00500 M ferric nitrate is added to 5.00 mL of nitric acid and 10.0 mL of .00250 M thiocyanate solution. Calculate the intial Fe^3+ concentration before reaction. So how do I go about doing this?
February 22, 2010

physics
ok so when i did this, my answer for the magnitude came out to be 21.4 N and i got this some solving for the x and y components, and then i summed it up, and plugged in those values in the formula to find the magnitude of the sum. i got 21.4 but it says that i have it wrong. ...
February 21, 2010

physics
A force of 15 N is directed at an angle of 55° above the x-axis. A second force of 15 N is directed at an angle of 55° below the x-axis. What is the vector sum of these two forces? How would I go about finding the magnitude or vector sum of those two forces, and also ...
February 21, 2010

Math
So I don't get what the final answer is suppose to be... cuz I have to use point-plotting which I know how to do.
February 19, 2010

Math
How would you set this to y=? x-4y=5
February 19, 2010

chemistry
What is the mass of 0.425 moles of CaCl2? The molar mass of CaCl2 is 110.98 g/mol.
February 19, 2010

chemistry
How many moles are in 52.3 grams of CaSO4?
February 19, 2010

Math, Grade 6
My best friend needs help multiplying and dividing mixed numbers. I try to help them but it's hard cause shes stubborn. Any help I could give her?
February 18, 2010

Maath
How do you get these answers?
February 18, 2010

Maath
How do you write these two equations in slope intercept form? x-5y-10=0 5x+2y+10=0
February 18, 2010

calculus
Consider the solid obtained by rotating the region bounded by the given curves about the line x = 4. x= 4y^2 , x = 4 Find the volume V of this solid.
February 17, 2010

Math/Algebra
An A frame cabin has a triangler front with a base of 30ft and a height of 20ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?
February 16, 2010

Math for teaching.
if 12 + x= 17, then x equals?
February 15, 2010

Trig
How do you express these problems as single trigonometric function values or as single numbers, using identities? 1. cos^2pi/8-1/2 2. tan34degrees/2(1-tan^2 34degrees) 3. 1/8sin29.5degreescos29.5degrees
February 14, 2010

History
I am in need of some help. I am not looking for the answer, just the direction I need to take. I've search my text book, but I cannot find any specific examples. Here is the question... What where some of the repercussions of Western exoansion after 1800?
February 14, 2010

accounting
the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100. What do i have to do! im stuck!
February 8, 2010

accounting
the spare parts inventory account shows an unadjusted balance of 450. a physical count shows a blance on hand of 100
February 8, 2010

Economics
68%
February 7, 2010

algebra
A) Find and interpret the C-intercept for the line (0, 30.52) C(0) = 2.85n + 30.52 – 30.52 = C(0)- 30.52 C(0) = 30.52… C-intercept is at $30.52 billion - 1990 B) Find and interpret the n-intercept for the line (-10.71) C= 2.85n + 30.52 = 0 = 2.85n + 30.52… N = -...
February 7, 2010

math
Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C = 2.85n + 30.52. how would me graph look like
February 7, 2010

Lanuguage Arts
Our teacher gave us terrible instructions on a sentence we are supposed to write. 1) Choose 6 words that best describe who you are. 2)Write a sentence that contains 6 words that best describe you. She showed us an example on the SMART board it was up for two seconds, the bell ...
February 5, 2010

Science
What sequence of events could lead to magma becoming soil?
February 2, 2010

History
Seven Years War
February 1, 2010

History
I am completly lost on this question. Any suggestions? I am not asking for it to be answered, just need some leads! Thanks in advance. Question: Great Britain had many military victories during the war but was unable to gain political control. How did the actions of the ...
February 1, 2010

algebra
need help with this problem can someone help me? "At the end of the week one, a stock had increased in value from $5.75 a share to $7.50 a share. Find the percent of increase at the end of week one to the nearest tenth of a percent. At the end of the week two, the same ...
January 28, 2010

history
Where was Sanna Anna's headquarters during the Alamo?
January 27, 2010

Physics
to double check , the correct answer for time is 7.60 sec? and w is 6.61 rad/s?
January 27, 2010

Physics
thanks Damon for your help
January 27, 2010

Physics
The work done in rubbing your hands together s equivalent to the amoun of heat produced. What principle does this demonstrate? I am not sure, is it kinetic energy?
January 27, 2010

pe
what activites are stop start and continous?
January 26, 2010

Physics
is it 1.765N x 2.5M = 4.4J ?
January 25, 2010

Physics
A 0.180 kg ball falls 2.5m. How much work does the force of gravity do on the ball? Do I multiply .180x2.5 to get .45J Thank you for your help
January 25, 2010

Physics
A 0.180 kg ball falls 2.5m. How much wordoes the force of gravity do on the ball? Do I multiply .180x2.5 to get .45J Thank you for your help
January 25, 2010

Physics
A 0.180 kg ball falls 2.5m. How much wordoes the force of gravity do on the ball? Do I multiply .180x2.5 to get .45J Thank you for your help
January 25, 2010

HCA210
Thank you Ms. Sue.
January 23, 2010

HCA210
"describe at least two roles of medical staff and two roles of hospital administration" Do you think they are asking for positions, like a doctor or nurse? Or functions like hiring personnel? I am not sure what the question means by "role", any suggestions...
January 23, 2010

History
I am having some problems listing some difference and similarities in the early north and south colonies. These similarities are political, social and economic. Any ideas? I've looked everywhere with no clue as to where to start. Thanks!
January 23, 2010

Critical Thinking
How to catergorize fallacies
January 17, 2010

biology
describe 2 structures of bacterial cells what they look like and their molecular structure
January 13, 2010

math
Mr. digit wanted to assign a number to each student in his class. He could only use the digits 2, 3, and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated numbers are allowed? Will there be any extra numbers?
January 11, 2010

4th grade
Mr. Digit wanted to assign a number to each student in his class. He could only use the digits 2,3 and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated digits are allowed? Will there be any extra numbers?
January 11, 2010

Algebra 1
ashley this are the only one's you have right. 1. 2. 3. b 4. 5. c 6. 7. 8. 9. b 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. a
January 10, 2010

Trig
What is sin x= 13/12
January 10, 2010

spain
is leon a country or city in spain???
January 9, 2010

geometry
how do i find the indicated meassure for a parralelogram?
January 9, 2010

AP Biology
Assume that a particular genetic condition in a mammalian species causes an inability to digest starch. this disorder occurs with equal frequency in males and females. In most cases, neither parent of the affected offspring has the condition. (a) Describe the most probable ...
January 8, 2010

answer for riddle please
A glass of tea costs 1,10 Euro. The tea is 1 Euro more expensive than the glass. How much is the glass?
January 5, 2010

7th grade
HOw do you solve and graph 2t<4
January 5, 2010

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