Posts by mina
Total # Posts: 100

Math
barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem. 
Math
barbara can walk 3200 meters in 24 minutes.Mavis can walk 11,808 feet in 24 minutes.Who walks at a faster rate of speed?Explain the steps you take to solve the problem. 
Grammar
The nurse's notes in the medical record indicate the patient's pain was severe. What is wrong with this sentence? Or wrong grammatical errors? 
Grammar
If they......they would not drive this car for vacation A knew B had known C know D had knew What is the right tense? 
Math
98x7+6:3=...? 
statistics
A national caterer determined that 87% of the people who sampled their food said that it was delicious. A random sample of 144 people is obtained from a population of 5000. The 144 people are asked to sample the caterer’s food. If p ^ is the sample proportion saying that ... 
Physics
What grade is this? 
Algebra 1 Honors
Which of the following statements best describes the effect of replacing the graph of f(x) with the graph of f(x) − 5? The graph shifts 5 units up. The graph shifts 5 units down. The graph shifts 5 units left. The graph shifts 5 units right. Is the answer B?? 
Science
Are you asking if that is true? 
Grammar
What is the right sentence of this sentence: The nurse's notes in the medical record indicate the patient's pain was severe. 
Statistics
The events A and B are such that P(A\B)=0.4, P(B\A)=0.25 and P(A n B)=0.12 compute the following; 1. P(A) and p(B) 2. P(A n B') and P(A' n B) 3.P(A u B)and P[(A u B)'] 
Business maths
a dealer makes a profit of 25% when he sells a shirt at a discount of 30%. if the profit is 91, find the marked price of this shirt. 
statistics
Select the TWO options that are TRUE statements about twosample ttests. Select one or more: The same formula is used for the ESE (estimated standard error) in the twosample ttest with a common variance and the twosample ttest with unequal variances. A researcher has ... 
statistics
Select the TWO options that are TRUE statements about twosample ttests. Select one or more: The same formula is used for the ESE (estimated standard error) in the twosample ttest with a common variance and the twosample ttest with unequal variances. A researcher has ... 
Math
Data were collected, using a sample survey, on the inhabitants of a British town. Among other things, the respondents were asked their age and their satisfaction with the shopping opportunities in the local high street. These data were used to construct a contingency table, ... 
English
Rony would rather that zahid had not lived in the room where the former studies.. correct the sentence 
Technology
thanks i got a 100% on that 
math
Solve the system of equations algebraically. Show all your steps. y=x^2+2x y=3x+20 Can someone pease help me? I don't think I'm right. Would it be x=4, y=8 Then, x=5,y=35?? 
History
Is the first one C then? 
History
Pls check my answers.. The Northwest Ordinance established all of the following, except.. A. Rules for territories to become states B. Denying slavery to new states formed from the territory C. Preventing new states from entering the US D. The right to education< my answer ... 
P.E.
bri was wrong its actually A B C D A,C 
History
is it D 
Health
I GOT THE ANSWERS AND I GOT 100% B,C,D FALSE TRUE 
broward college
collagen vascular disease ,affect the protein collagen ,the main component of collagen fibers. predict the possible consequence of defective collagen fibers on specific organs and tissues how would effect of collagen vascular disease that affected only the collagen in ... 
chemistry
assuming in the titration of NaCl and AgNO3, a student erroneously carried it out at a low PH,what effect will it be on the result. explain with an ionic equation 
Language Arts
it IS D C A A I GOT 100% ON IT 
Social Studies
Reed the link you gave me it says it doesn't work :( 
Social Studies
I have 2 questions... 1) Why did most merchants not travel the entire distance from China to the Middle East to trade their goods? A. difficult terrain B. taxes C. language barriers D. all of the above I think it is D 2) Which of these were received by Chinese merchants when ... 
English
Explain why the setting depicted in the V for Vendetta trailer is a dystopia. Use specific examples in your explanation. This is what I have so far not sure if it is correct. A dystopia is an imagined place or state in which everything is unpleasant or an environmentally ... 
English
This is what I have so far not sure if it is correct. A dystopia is an imagined place or state in which everything is unpleasant or an environmentally degraded. The V for Vendetta trailer is a dystopia because the poverty and the fascist dictatorship ruling a dystopian United ... 
English
Explain why the setting depicted in the V for Vendetta trailer is a dystopia. Use specific examples in your explanation. 
Biology
Okay my question has to do with a pedigree shown in an illustration. Since I can't show the illustration I'll do my best to describe it: There's a mother and a father and they have 4 kids: 2 boys, 2 girls. Circles represent females and squares males. A darkened ... 
Biology
Proteins are manufactured through the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in the process, they are modified to their ... 
applied logic, math
writing a program using loop structure, need the equation to produce all even numbers from 2100 to print out each time I go through the loop 
math
i solve it and get 3 answer but in the back of the book, it ony gave 2 answer. 
math
cosx sinx sinx=0 
English
Sort words by long vowels sound. 1date 2 fine 3 rose 4 lake 5 life 6home 7safe 8 rice 9 globe 10 plane 
Math
Use the number tiles below to fill in the addition equation to create the largest possible sum . 372 8 
Physics
A weight of 40 N is suspended from a spring that has a constant of 200 N/m the system is subjected to a harmonic driving force of frequency 10.5 hz resulting in a forced motion amplitude of 3 cm determine the max value of the driving force 
science
how do we know that there are 100 trillion cells in our body i mean who count them or is there any activity behind? 
Psychology
I'm doing the classic experiment on "reaction time: male vs. female. " The test involve dropping a ruler and see where the subject catches it. The problem is that If i was the one to drop the ruler, depend on the subject being male or female, it would influence ... 
psychology
It's for a psychology experiment, i'm comparing the reaction times of people to the number of hours of sleep they get per night on average. Please give me some ideas on how to carry out this experiment. For example, like what will be a good way to select subjects, just... 
psychology
What do you think about my method? Please give me your suggestions. Thank you!!! 
psychology
For the samples, i was thinking about recruiting 10 females age range from 1925. Yes, i am pretty much will have a survey about general backgrounds, and number of hours of sleep on average per night. I will give the survey to the participants before testing the reaction time... 
psychology
It's for a psychology experiment, i'm comparing the reaction times of people to the number of hours of sleep they get per night on average. Please give me some ideas on how to carry out this experiment. For example, like what will be a good way to select subjects, just... 
functions
4m + 1, m + 1 and 10  m are the first three terms of a geometric sequence. Find t4. 
Physics
What happens after an elastic collision between a hydrogen atom at rest and a helium atom moving 150 m/s? Which direction will the particle move after the collision? Which particle will have a higher speed after the collision? What happens when a neutron moving at 150 m/s hits... 
Statistic
experimental Placebo (n=100) (n=100) Mean BP 120.2(15.4) (131.4(18.9) Hypertentive(%) 14 22 side effect (%) 6 8 Trial involve 200 subject,rendomally receiving either medication or placebo. The data collected at the end of trialafter 6 week study. a) test if there is ... 
Physical Science
A cylinder contains a gas with the pressure of 125kpa at a temp. of 200k. What is the temp. of the gas at a pressure of 100kpa? 
Physics
A Ferris Wheel with a radius of 15 meter makes one complete rotation every 10 seconds. 
Physics
Two vectors are at right angle to each other as shown. Find the resultant vector (the sum of the two vectors). 
Physics
Calculate the gravitational force between two identical 100kg masses separated by 1 m. 
Physics
A ball is throwing downward with an initial velocity of 10 m/sec. If the final velocity is 20 m/s, what is the time? 
physics
An American standard analog television picture (nonHDTV), also known as NTSC, is composed of approximately 485 horizontal lines of varying light intensity. Assume your ability to resolve the lines is limited only by the Rayleigh criterion, the pupils of your eyes are 4.80 mm ... 
physics
Joe has a weight of 850 N (about 193 lb) when he is standing on the surface of the Earth. What would his weight (the gravitational force due to the Earth) be if he tripled his distance from the center of the Earth by flying in a spacecraft? 
Physics
A car with a mass of 1380 kg is moving around a curve with a radius of 50 m at a constant speed of 25 m/s (about 56 MPH). (a) What is the centripetal acceleration of the car? 1 m/s2 (b) What is the magnitude of the force required to produce this centripetal acceleration? 2 N 
business math
A videocassette manufacturer has determined that its weekly cost equation is C = 3000 + 10x, where x is the number of cassettes produced and sold each week. If cassettes are sold for $15 each to distributions, how many must be sold each week for the company to make a profit? 
Physics
An upward force of 35 N is applied via a string to lift a ball with a mass of 2.1 kg. (a) What is the net force acting upon the ball? magnitude 1 N direction 2 Select upward downward (b) What is the acceleration of the ball? magnitude 3 m/s2 direction 4 Select ... 
Physics
An upward force of 35 N is applied via a string to lift a ball with a mass of 2.1 kg. (a) What is the net force acting upon the ball? (b) What is the acceleration of the ball? 
physics
30 is the change 
math
write a set of data with this following description there are 7 numbers in the data set the minimum is 17 the range is 45 the median is 32 the mode is 41 
English
which way is correct Tuesday November 1st, 2011 or Tuesday, November 1st, 2011? 
Spanish
Thank you, I will try the dictionary step, I have never thought of it that way. You are so sweet, I hope you get paid for all you do on here! 
Spanish
Last paragraph. I wasn't going to post it, but considering how atrocious my last two were... A fictional invitation with details about a party. Include: date, time, location/ apparel/ purpose of party/ gift ideas. Estamos teniendo una fiesta de cumpleaños sorpresa ... 
Spanish
Last paragraph. I wasn't going to post it, but considering how atrocious my last two were... A fictional invitation with details about a party. Include: date, time, location/ apparel/ purpose of party/ gift ideas. Estamos teniendo una fiesta de cumpleaños sorpresa ... 
Spanish for Mina
Wow, I did not think I had made that many errors.. need to work on my Spanish. I appreciate your time and effort on this! Very grateful. Thank you!!!!! 
Spanish
No puedo ir a ningún lado, tengo que quedarme en casa y hacer las tareas. Tengo que trapeador, aspiradora, el polvo, lavar la ropa y lavar los platos. Mis padres no creo que puedo ayudar lo suficiente en la casa. No me importa pasar la aspiradora y lavar la ropa. No me ... 
Spanish
Oh my, I am such a hassle..lol If you have not found it, here is the link to the Spanish post from yesterday: jiskha. com/display.cgi?id=1305589873 
Spanish
I apologize for my previous question, the one with paragraphs in Spanish. I obviously have no idea what I'm doing. They make sense in English, but I'm having a hard time translating to Spanish. Thank you, Sra, for attempting to help. :] The first assignment is to write... 
Spanish
Letters in Spanish about doing chores and restaurant review. I have revised these at least 5 times each and feel like I have messed up several times. Possible grammar fails :/ Please help? No puedo ir a ningún lado, tengo que quedarme en casa y hacer las tareas. Tengo ... 
physics
Three point charges lie along a circle of radius r at angles of 30°, 150°, and 270° as shown in the figure below. Find a symbolic expression for the resultant electric field at the center of the circle. 
mete
Three point charges lie along a circle of radius r at angles of 30°, 150°, and 270° as shown in the figure below. Find a symbolic expression for the resultant electric field at the center of the circle. 
bio
You have a sample of NaCl that contains 100 mg/ml NaCl. You are trying to perform an reaction that requires 10ml of 20 mg/ml. Enter in the correct amount (in ml) of Stock NaCl solution you need to use to make 10ml of 20 mg/ml NaCl 
ChemistryPractical Applications
Important in adhesion and sintering 
Chemistry
At 1285°C, the equilibrium constant for the reaction Br2 (gas) <> 2Br (gas) is Keq= 1.04 X 10^ 3 A 0.200L vessel containing an equilibrium mixture of gases has 0.245 g. Br2 (gas) in it. What is the mass of Br (gas) in the vessel? What are the concentrations of ... 
algebra
y = 1/4x can be written as y = 1/4x + 0 This is in slopeintercept form: y = mx+b, where m is the slope and b is the yintercept. y = 1/4x + 0 The slope is 1/4 and the yintercept is 0. Slope = rise/run 
algebra 1
(97)/16=16/16= 1 
english
my teacher ask me What recommendation does the calculator make for you? what that mean 
com 155
how can i use five adverbs and five adjectives in senteses 
com 155
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. · Bold each adverb. · Underline each adjective. · Compare the event to one or more similar events. When comparing, ... 
accounting
Select a business in your community and observe its internal control over cash receipts and cash payments. The business could be a bank, bookstore, restaurant, department store, or other retailer. What are the strengths and weaknesses? What would you do to correct the ... 
OChem
What's the purpose of "PREPARATION OF A SYNTHETIC PLANT HORMONE Adapted from "pChlorophenoxyacetic Acid – Preparation of a Synthetic Plant Hormone." thanks 
Mathematicas
The 6 fourthgrade classes at Marathon Elementary School are having a kickball tournament. Each class must play each other one in the tournament. How many kickball games must be scheduled? 
Math
I don't understand because you said 2/3 x 12/1 this is equal 8 but 1/2 dozen eggs are 6. Can you explain me? Thanks 
9th grade
Factor y2 + 10z  10y  yz. 
Biology
How does an increased carbon dioxide concentration in the blood affect expiration and inspiration? 
Literature
What influences the mood and tone of the play [in Romeo and Juliet]? 
Math
You are playing a card gam e with a full deck of 52 cards. You win if you draw a red card that is a mltiple of 5. What are your chances of winning on your first draw? For me will be 4/52 . It's that correct? 
diagramming a sentence
John Wycliffe taught at oxford university and translated the Bible into English 
math
the biology club budgeted $200 for their pancake breakfast. each meal costs $1.50 to prepare. write an inequality that represents the number of meals that can be prepared without going over the budget. 
finance
$95 
finance
if you're paying a bill for the office which has 5%, 10 days stamped across it, how much would you write a check for if you were paying a $100 bill 6 days from the date of invoice?a.$90, b.$100, c.$95, d.$105 
Cost Accounting
do you have any idea? 
q, w, and DU
mina q=256 J w=1398 J DU=1654 J 
Algebra
i don't know what to do 
Math
jack has 3/4 of a dollar. Maxwell has 1/10 of a dollar. Do they have more or less than $1.oo in all? 
Calculus
solve secondorder initial value problem y"(x)= x e^2x y'(0)= 0 y(0)= 0 
Calculus
Solve the firstorder initial value problem using half angle formulas {y'(x)= 1 + sin^2 x y (0)= 7 
math
how do i expand and simplify (2x+5) (3x4) 
physics
no answer