# Posts by Sally

Total # Posts: 1,214

**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?

**College Algebra**

solve the following equation. 9^(x-1)+4*3^(x-1)=5

**College Algebra**

solve the following equation. 9^(x-1)+4*3^(x-1)=5