Posts by sally

Total # Posts: 1,216

math
The mean is 28 and the median is 23???

math
In her art class, Ms. Walter has 12 students whose ages are listed below: 19, 20, 20, 20, 21, 22, 24, 24, 25, 25, 56, 60 She calculated the mean and the median of their ages. What is the relationship between these two values?

Math
Random variable X is normally distributed with mean 10 and standard deviation 2. Compute the following probabilities. a. Pr(X<10) b. Pr(X<11.04) I don't know where to start.

math
At 5:00 a.m. the temperature in Orlando, Florida was already 80 degrees F. By 3:00 p.m. the temperature had risen to 97 degrees F. What is the difference in the temperatures?

Math (logic and problem solving)
a rubber ball is dropped froma building that is 16 meters high. Each time the ball bounces, it bounces up half as high as the previous bounce. It is caught by Romer, the wonder dog, when it bounces 1 meter high. How many meters did the ball travel before it was caught?

Science
So the answer would be C (30 sec), right?

Science
I have to choose one option and also was among the A and B, but what makes me hesitate is that the A says "heat the salt crystals" instead "heat the water". And I'm thinking then the option B. You think after what I have observed. Sorry to bother much ...

Science
What do you think is the most reasonable answer???A or B?

Science
Please somebody help me. I need the answer today. HELP

Science
David has to dissolve salt crystals in the water. What would be the best thing to do to help the crystals dissolve quickly? A)heat the salt crystals B)crush the salt crystals C)cool the water in the tank D)use the largest salt crystals

health
Thinking in terms of the administrator and third-party payer perspectives, answer the following: What do you feel are the biggest weaknesses of the health care plan, and why?

Algebra
Thank you

Algebra
I'm working midpoints, distance, circles and standard form and general form. I have some questions with my answers to the first two-I'm stuck on #3 1. What is the distance between points (0,0) and (-3,5) My answer: sqrt34 2.What is distance between (3,1) and (10,8) My ...

Chemistry
You measure one edge of a cube using a meter stick marked in centimeters. Unfortunately, the edge is longer than 1 m. You mark the 1-m point on the cube edge with a pen and then, using a 15-cm ruler marked in millimeters, measure the remaining distance to be 1.40cm. (a) What ...

microeconomics
There is not enough information on these questions. I tried surfing the net but still not finding what I am looking for.

microeconomics
Can someone please help me with answering these questions? I need to know the answers to study for a test. 1.What private goods generate external benefits? 2.What is the economic logic of the median-voter rule? 3.Are there different ways to reduce pollution or mitigate its ...

math
10

Geometry
The area of the larger of two similar polygons is 315 squared centimeters. If the scale factor of their perimeters is 2:3 what is the area of the smaller polygon?

Microeconomics
Applying the concepts. 1.What is the break-even price? 2.How do entry costs affect the number of firms in the market? 3.Does volentary pricing work? 4.What type of consumers pay relatively high prices? 5.What are the effects of market entry? 6.What does it take to enter a ...

4th grade math
i am a 4-digit whole number. my digits decrease by 2 from the thousands place to the ones place. each of my digits is an even number. what number am I?

math
Just because there isn't an equal sign doesn't mean you cant solve it. Bobpursley the answer to (3k+4.2)+8.6 is 15.8!See just try it.

Nursing
nursing interventions for pt unable to feed self

Nursing
What are meds for disease processes related to nutrition?

Math
Factor - 12x^2+10x+1

College Algebra
The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5), (2, 3)}

nursing
How do the physiologic changes of pregnancy affect drug administration?

nursing
What are the 4 goals of drug therapy.

nursing
name 5 functions of pharmacodynamics

nursing
What is the first pass effect? What routes are affected by this,which routes are not?

English
HUH? Are you asking me to replace my verb with an adjective?

English
He fell victim to the status quo.

English
What word can I use to replace "fall victim to." Give me some examples please. I'm stumped.

statistics
a. A statistics practitioner randomly sampled 100 observations from a population with a standard deviation of 5 and found that x is 10. Estimate the population mean with 90% confidence.

statistics
a. A random sample of 25 was drawn from a normal distribution with a standard deviation of 5. The sample mean is 80. Determine the 95% confidence interval estimate of the population mean.

algebra
1. What is the equation of the line that passes through (4,-1) and (-2,3)? 2. What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?

Chemistry
A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease. •State the chemical composition of the sterol that is present in high levels in most people who belong to the high-risk group. •Distinguish between the ‘good' ...

math
A pile of 108 identical books has a mass of 30 kg. Find (a)the mass of 150 books and (b)the number of books that has a mass of 20 kg.

Math
Can u pls pls pls solve this algebraic expression?? I cant solve it although I tried many possible ways and solutions :/ 10+1/3[4k-(18+7k)]

Computer Science
Consider the following application files: /JavaCS1/src/guiprojectcity2/DisplayWindow.java import java.awt.*; import javax.swing.*; public class DisplayWindow extends JFrame{ private Container c; public DisplayWindow(){ super("Display"); c = this.getContentPane(); } ...

algebra
The weight of a rock sample is measured to be 2.5 pounds. What is the percent of error in the measurement?

algebra
If four times a certain number increased by 6 is equal to 94, what is the number? If x represents the number, then which of the following equations could be used to solve the problem? 4x + 6 = 94 or 4(x + 6) = 94

algebra
A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? Solve using the V.E.S.T. method.

Java Programming
Don't know how to start.. Can anyone help me? For this program you are to create a two class application - a driver and a principal class - that reads in text interactively from the keyboard, and then reports on two aspects of the entered text. First it should print a ...

algebra
Which of the following expressions has 3 terms? 8x + y - z xyz y^3 + 1

algebra
Thanks Ms. Sue!

algebra
evaluate: 7x + [x - (5 - x)]

algebra
evaluate: 7x + [x + (5 - x)]

Writing
Can you post one of your writings of your own?

Writing
Any suggestions for writing topics?

writing
what else is on the rise then?

writing
Have you ever wondered what the world would be like in the future? According to events taking place now in the world, our future will change drastically. In 50 years, our society, environment, and schools will be greatly affected. Our society will change in 50 years. The ...

math
19. A high school soccer team has two goalies. Goalie A makes the save 80% of the time. Goalie B makes the save 75% of the time. If goalie A plays 35 of the games and goalie B plays 25 of the games then: a) Determine the probability that a save has been made by either goalie A...

algebra
for the equation 6x+7y-6=0 what is the ordered pair

calculus
find the surface area obtained by revolving about the line y =1 the region enclosed by the curve x= 3/5y5/3 -3/4y1/3 on [0,1]

Chemistry
3 I- (aq) +H3AsO4 (aq) + 2 H+ = I3- (aq) + H3AsO3 (aq) + H2O (l) is found to be first order with respect to each of the reactants. write the rate law. what is the over all order?

geometry
A pyramid has a volume of 24 and a base area of 12. What is the length of the altitude of the pyramid?

2nd Grade Math
multiply 1/4 by 7/1

geometry
find the measure of angle 3 if angle 2 is 5x-8 amd angle 4 is 3x-10

Business Finance
When a bank borrows 550,000 from the FED snd received s short-term ajustment credit for 3 days with the loan promised to be paid on the 6th day how much total reserves would rise with this loan.

Business Finance
If a bank borrows $550,000 from the FED on Friday and repays it on Monday show how it should be written on a T-account for this transaction

music
the difference between Franz Liszt and Felix Mendelssohn

chemistry
How would a titration be used to determine the concentration of lead ions that may be present in the water supply of an old house that still has lead pipes?

Math
A rectangular parking lot is 25 ft. ny 50 ft is increased on all 4 sides by the same amount. The area increased by 400 sq ft. What are the new dimensions of the parking lot?

Literature (Vocabulary)
When the _1_ citizens of Reynoldsville finally realized that their forty-cent bottles of miracle sap contained nothing more than licorice extract and whiskey, they formed a lynch mob and searched for the _2_ who had sold the fake elixir. Fortunately, Colonel Britton, the ...

music
what similarities does Claudio Monteverdi and Antonio Vivaldi have in common?

music
what similarities does Claudio Monteverdi and Antonio Vivaldi have in common?

music
what the difference between Antonio Vivaldi and Claudio Monteverdi

analogies
tooth:decay::treestump (grow/die/rot/burn/rust) i think rot is that correct

analogies
my other guess is head light

analogies
furnace:fireplace::lamp: ? log,street light,light bulb, headlight,candle is light bulb correct?

analogies
spend/waste/save/volunteer/measure

analogies
is this correct clothes:donate::time:spend

analogies
concert:stage::football game: ? (team/stadium/ field/ quarter back/ arena) i think team can you tell me if that's right

analogies
im not sure but i think stove

analogies
the choices i have are (bathing suit , stove, cap ,refrigerator, pot holder)

analogies
cold:mitten::hot: ?

science
if i pulled a rectangular block on each of the three sides which would have the most friction

science
if a block of wood is pulled at constant speed on ice what would the friction be like

Spanish -Please check
If I ask Manuel if he is in a hurry I could say: Manuel, ¿Tienes prisa?

Spanish 7th grade-Please check
Thank you

Spanish 7th grade-Please check
Please check. How would I say "I feel like drawing. Would it be: Yo tengo ganas de dibujar.

social studies
Both Stalin in the Soviet Union and Hitler in Germany instituted ruthless campaigns against supposed enemies of the state. Why do you think dictators need to find scapegoats for their nations ill?

Math
Thanks Henry

Math
The drama club raised a total of $1,123.50 selling tickets to its production of Othello. Tickets cost $4.50 for adults and $2.00 for students. Three times as many student tickets were sold as adult tickets. Which system of equations can be used to find a, the number of adult ...

cross word puzzle
squawk

Physics-You don't have to respond-I figured it all out
I figured it out-thank you

Physics-BobPursley please recheck
I have another question-I looked closely at the explanation and when you added the three resistors together you came up with Rt=60/31. Then you added the series to the 2Ohm and said total equals 151/60-I'm lost there because 2 Ohms would equal 30/60 or when added to the ...

Physics-Please help
Thank you for your help-I can really use the explanation for my other problems too. Thank you again-

Physics-Please help
Please irnore the multiple choice answers-they were for a different problem that I copied down

Physics-Please help
I need a little direction with this question:If someone could provide the correct formula, I think I divide each reistor by 12V but I'm not sure. To find total resistance, do I just add the reciprocals? Three resistors connected in parallel have individual values of 4.0, 6...

Spanish 6th grade-Please check
Oops I put ham as hamon I think it should be el sandwich de jamon?

Spanish 6th grade
How do I say a ham sandwich or a cheese sandwich? For cheese sandwich is it el sandwich de queso? For ham sanwich is is el sandwich de hamon? I'm not sure how to spell ham

6th grade math
the rectangulr backyard measures 131 feet by 52 feet. the garden measures 13 feet by 9 feet. what is the area of the backyard that will be grass.

6th grade math
s=5m find the area of square

calculus
solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25

calculus
solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

Biology
Please help with this, What was it important to have a detailed growth curve for your test plant (which was a Lemna spp.) sample on a frequent basis grown under control conditions without a test chemical?

math
15% of x = 45

Chemistry help!!!
Calculate [H3o+] in each aqueous solution at 25*C, and classify each solution as acidic or basic. a. [OH-]= 1.1 x 10^-9M b. [OH-]= 2.9 x 10^-2M c. [OH-]= 6.9 x 10^-12M

math
5 hockey pucks and three hockey sticks cost $23. 5 hockey pucks and 1 hockey stick cost $20. How much does 1 hockey puck cost?

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