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August 29, 2014

Posts by ann


Total # Posts: 1,214

Math Pre Algerbra
4+3[8-3*2+4(5-1)] I got 68
August 28, 2011

Math Pre Algerbra
How did the teacher get this answer for this problem? Okay so heres two questions... first 24/4(2) = 12 and i believe he said he didnt use the (2) but... when i ask a question about a question like that they use the 2 like this 9*3 - 2(5) = 17
August 28, 2011

Math Pre Algerbra
How did the teacher get this answer for this problem? Okay so heres two questions... first 24/4(2) = 12 and i believe he said he didnt use the (2) but... when i ask a question about a question like that they use the 2 like this 9*3 - 2(5) = 17
August 28, 2011

pre-algrbra
need help with math problem 15-2(5-2) Answer=10
August 28, 2011

math
Write down an expression for the number of binomial paths which cross a rectangle from the point (0,0) to the point (3n,2m), with n,m > 1, but which are constrained to have a vertex on the point (n,m)?
August 26, 2011

Math Pre Algerbra
The Number of yards in f feet i think it is 1f if not explain by the way 1f = 1 * f
August 25, 2011

Math Pre Algerbra
Need help with Algerbra question two-thirds of a number e 2/3 * e i think this is the awnser please explain how to do if not
August 25, 2011

7th grade math
16
August 25, 2011

Math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 158 and 172 cm tall
August 24, 2011

social Studies
What are some good questions to ask about latitude and longitude and the prime Meridian and the Equator? Pease have at least 3 good questions. Pease help me. This is worth 100 points so please help!
August 24, 2011

statsitsc
b. The graph of a normal distribution is bell-shaped. (True/False)
August 20, 2011

statistics
A normal distribution is any distribution that is not unusual. (True/False)
August 20, 2011

statitics
Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of 0.62 °F (based on data from the University of Maryland researchers). a. If you have a body temperature of 99.00 °F, what is your percentile ...
August 20, 2011

statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of...
August 20, 2011

statistics
1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. (True/False) b. The graph of a normal distribution is bell-shaped. (True/False) c. If a population has a normal distribution, the mean and the median are not ...
August 20, 2011

statistics
The heights of American women aged 18 to 24 are normally distributed with a mean of 66 inches and a standard deviation of 2.5 inches. In order to serve in the U.S. Army, women must be between 57 inches and 79 inches tall. What percentage of women are ineligible to serve based ...
August 19, 2011

science
help me to understand how to determine the volume in a partial graduated cylinder etc., 45 &40
August 19, 2011

algebra
Make a 5% offer on a Volkswagen New Beetle that has a sticker price of $22,120 and a dealer cost of $20,868
August 9, 2011

Finance 200
The treasurer for Thornton Pipe and Steel Company wishes to use financial futures to hedge her interest rate exposure. She will sell five Treasury futures contracts at $105,000 per contract. It is July and the contracts must be closed out in December of this year. Long-term ...
August 7, 2011

physics
assume that a hailstone at 0 degrees celsius falls through air at a uniform temperature of 0 degrees celsius and lands on a sidewalk also at this temperature. from what initial height must the stone fall in order to entirely melt upon impact?
July 27, 2011

the staff study unit
day care
July 24, 2011

Chem
How do I do this problem Assume you dissolve 2.56 g of malic acid, C4H6O5, in half a liter of water (500.0 g). Calculate the molarity, molality, mole fraction, and weight percent of acid in the solution. (Assume the final volume of the solution is 500. mL)
July 24, 2011

Algembra
a train leaves a station and travels north at 85 km/hr. Four hours later, a second train leaves on a parrallel track and travels north at 125km/hr. How far from the station will they meet?
July 14, 2011

pre calc.Math
Please help me any one of these please! Thank You to any one r=2-6 cos(θ) convert this polar coordinate equation into an equation in rectangular coordinates(x,y) given (-8,8) convert this point into polar coordinates with 6 >= 0 and 0<=θ<= 2pi given x^2+ (y-...
July 12, 2011

physics
A 6-kg bowling ball rolling at 5 m/s strikes a stationary 4-kg bowling ball. If Ball #1 is moving forward at 2 m/s after the collision, what is the speed and direction of Ball #2? What is the impulse of the system? If the collision last for .5 seconds, how much force is exerted?
June 29, 2011

physics
A 4.5-kg ham is thrown into a stationary 15-kg shopping cart. At what speed will the cart travel if the ham had an initial speed of 2.2 m/s? If the ham hits the cart with 2N of force, how long did the collision between the two last?
June 29, 2011

Experiment
thank you
June 14, 2011

Experiment
The question is how do I design a basic experiment that would allow us to establish a cause-effect relationship between number of hours worked per week and lower college graduation rates? It must have these components: a manupulated independent variable, a dependent variable, ...
June 14, 2011

Experiment
the experiment that would allow establishing cause-effect relationship between number of hours worked per week and lower college graduation rates has to have these components: a manipulated independent variable, a dependent variable, control for extraneous variables, an ...
June 14, 2011

Experiment
I want to design a basic experiment that would allow establishing a cause-effect relationship between number of hours worked per week and lower college graduation rates.
June 14, 2011

Algebra
Write the solution in interval notation x<5 and x>=-2. ) What would the compound inequality look like? Thanks for the help!
June 9, 2011

Algebra
Determine whether the given numbers are solutions of the inequality. y-8>2y-3 4, -11, -19, -1 (are any of these numbers a solution to the inequality?)
June 9, 2011

penn foster
industrial activities operates 5 days per week with a daily payroll of $4000. employees are paid every saturday for the workweek just completed(monday to friday). the last day of the month is wednesday, mar 31. what is the amount of wages expense recorded on the next payday, ...
June 7, 2011

Science
What is the kinetic energy of a 28 kg dog that is running at a speed of 7.0 m\s(about 16mi\h)?
June 2, 2011

arithmetic
if ratio is 5:12 and 12 equals 136 what does 5 equal?
May 31, 2011

Algebra
Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= ?... 1. Express your answer in the form y=mx+b. (7,8); x+7y=6 2. Express your answer in the form y=mx+b. (-4,8); 8x=7y+9 3. Express your answer in the form ...
May 25, 2011

Algebra
1. Express your answer in the form y=mx+b. (7,8); x+7y=6 2. Express your answer in the form y=mx+b. (-4,8); 8x=7y+9 3. Express your answer in the form y=mx+b. (8,9); 5x+y=9 4. Express your answer in the form y=mx+b. (2,-6); 8x+7y=5 I don't get ANY of this at all! Please ...
May 25, 2011

Algebra
Find an equation of the line having the given slope and containing the given point. m=7/8, (5,-6) The equation of the line is y=?
May 24, 2011

Math
fernando's soccer team played a good season. Finishing with 16 wins and 4 losses. Ties are not allowed. If winning or losing a game was equally likely, what is the probability that fernando's team ended up with this record? My Answer: C(20,16)(.5)^16(.5)^4 =.00462 =.46...
May 6, 2011

math
Answer= 14/18 and 3/18
May 5, 2011

math
Need to write an equivalent fraction for each, using the least common denominator. 1. 7/9, 1/6 ANSWER=12/18,14/18
May 5, 2011

math
1 on each side of the rectangle, but that would mean that it is a square.
May 4, 2011

math
using only whole numbers, how can you draw three rectangles with a perimeter of 12 units?
May 4, 2011

History
Thank you
May 2, 2011

History
How did Spain's American colonies help make it the richest, most powerful nation in the world during the 16th century??
May 2, 2011

History
Thank You
May 2, 2011

History
The spanish conquest in the americas from 1492-1580
May 2, 2011

History
What would be some main key points that would relate to the social life during the Spanish Conquest?
May 2, 2011

social studies
what is capitol
May 2, 2011

English
Need to find the predicate Adjective. 1. The valley in Johstown Pennsylvania was very deep. PA=deep 2. The hills around Johstown were high. PA=high 3. The lake above Johnstown seemed unusally full. PA=full 4. The concrete dam appeared weak. PA= weak 5. That day May 31, 1889 ...
May 1, 2011

6th grade math
There are three crowns in the royal cabinet: One for the King, One for the Queen, and one for the Princess. The king's circumference was 21.98 in, the Queen's circumference was 43.96 cm and the Princess' circumference as 392.5 mm. What are the Diameters's for ...
April 27, 2011

6th grade math
Ther jester was juggling in the medieval fair, and all three where different sizes and colors. The jester wanted to put them in order from least to greatest. The red ball had a diameter of 100 mm the green ball had a radius of 4 cm and the yeallow ball had the radius of 6.5 cm...
April 27, 2011

statistics
the organizer of a television show must select 5 people to partipate in the show. the participants will be selected from a list of 30 people who have written in to the show. if the participants are selected randomly, what is the probability that the 5 youngest people will be ...
April 21, 2011

English
Need to underline the noun or pronoun and circle the word that modifies it.... 1. Countless pioneers crossed this vast continent. Noun=pioneers Adj=countless, Noun=continent Adj=this,vast 2. Some people wanted rich, productive farmland. Noun=people Adj=some, Noun=farmland Adj=...
April 18, 2011

Math Binomial theorem
Thank you very much!
April 17, 2011

Math Binomial theorem
I'm preparing for a test and one of the questions in my text is as follows: In a trivia contest,Sam has drawn a topic he knows nothing about, so he makes random guesses for the 10 T/F questions. Use the binomial theorem to help find a)the number of ways Sam can answer the ...
April 17, 2011

Math
How many pounds of pressure does a 25 pound baby weigh in a head on collision when the car is traveling at 25 miles per hour. (and hits a stationary object) The assignment is to research car crash scenarios but I don't know a formula to figure this out.
April 16, 2011

Business Math
What amount must be paid to settle an invoice of $1200 dated Nov.28 , terms 3/10, n/30 if the invoice is paid on Dec. 3? I got $1164. Am I right? Thanks
April 15, 2011

child care
yes, part 2. its harder then the other.
April 14, 2011

child care
When preparing an environment for school-aged children, the caregiver should ensure that the A. environment resembles their school setting. B. children are continually intermixed with the younger children. C. outdoor area allows them to continually challenge their physical ...
April 14, 2011

childcare
BRANDY i think its b
April 14, 2011

physics
An air compressor is a device that pumps air particles into a tank. A particular air compressor adds air particles to its tank until the particle density of the inside air is 40 times that of the outside air. If the temperature inside the tank is the same as that outside, how...
April 14, 2011

Math
Thanks a lot.
April 14, 2011

Math
A gift store stocks baseball hats in red or green colors. Of the 35 hats on display on a given day, 20 are green. As well, 18 of the hats have a grasshopper logo on the brim. Suppose 11 of the red hats have logos. How many hats are red, or have logos, or both? The answer in ...
April 14, 2011

physics
The density of gold is 19 times that of water. If you take a gold crown weighing 24 N and submerge it in water, how much upward force must you exert on the submerged crown to keep it from accelerating?
April 13, 2011

Grammer
Thank you
April 13, 2011

Grammer
words that rhyme with soon
April 13, 2011

physics
A dish of hot food has an emissivity of 0.42 and emits 15 W of thermal radiation. If you wrap it in aluminum foil, which has an emissivity of 0.06, how much power will it radiate?
April 12, 2011

physics
If a burning log is a black object with a surface area of 0.35 m2 and a temperature of 800 ˚C, how much power does it emit as thermal radiation?
April 12, 2011

physics
To find delta P, use (deltaP)=8(pi)(eta)(L*v)/A Where eta is the coefficient for viscosity. For 40C water, it is .07e-3 Pa*s.
April 12, 2011

physics
How much force is the air exerting on the front surface of the book with dimensions 19 x 27 cm. Assume atmospheric pressure equal to 100,000 Pa.
April 12, 2011

physics
An air compressor is a device that pumps air particles into a tank. A particular air compressor adds air particles to its tank until the particle density of the inside air is 40 times that of the outside air. If the temperature inside the tank is the same as that outside, how ...
April 12, 2011

physics
If you submerge an 5-kg log in water and it displaces 6 kg of water, what will the net force on the log be the moment you let go of the log?
April 12, 2011

physics
The density of gold is 19 times that of water. If you take a gold crown weighing 24 N and submerge it in water, how much upward force must you exert on the submerged crown to keep it from accelerating?
April 12, 2011

Math
find the equation of the line tangent to 2xy=piesin y at the point (0,2pie)
April 12, 2011

stereotypes in psychology
african americans are good dancers blonds have more fun
April 11, 2011

analogies
good job!
April 11, 2011

percentile rank
i would like to able to find the percentile rank of a z score 0.313152 can someone tell me how to do this.
April 9, 2011

maths
5/6*(18/25-9)
April 5, 2011

Business
In Government Contracts is fair and reasonable pricing is more judgment-based or more market-based -why is that?
April 5, 2011

math
Need to write ratio 3 different ways. 1. 6 pencils to 4 erasers ANSWER= 6/4, 6 to 4, 6:4 Need to write an equivalent ratio for each. 1. 9/36 ANSWER= 1/4, 9 to 36, 9:36
April 4, 2011

Biology
What happens if you increase biodiversity? Decrease it?
April 3, 2011

English
Need to decide which form is needed:present participle, past, past participle of each verb in parentheses. 1. Nora (see) the toy exhibit at the museum. ANSWER=Seen 2. People (speak) French in parts of Canada. ANSWER=spoke 3. That character has (say) "Good Grief" ...
April 3, 2011

science
your mass is 90 kilograms. you are on the earth where the acceleration of gravity is measured at 9.8 meters/sec sec. What is your weight in Newton?
April 2, 2011

Physics
If a rock is dropped from a height of 64 feet, how long does it take to hit the ground? How fast is it going when it hits the ground?
April 2, 2011

English
Choose the correct sentence pattern for the sentences below? 1) There is good reason to be thankful. 2) The President sent the ambassador an invitation to the meeting. 3) Snow skiing is a very exciting sport. 4) I hereby declare Tuesday Shakespeare Day. 5)Relaxing under a ...
March 31, 2011

News
Why did another earthquake(6.6) happen in Japan? Was it an aftershock?
March 29, 2011

News
Thank you
March 29, 2011

News
Is the situation in Libya similar to what happened in Egypt? Why?
March 29, 2011

Health
I have a female red eared slider that has swollen eyes. I found out that it has a disease. I do not know where to get the antibiotics to help treat this disease and care for my turtle. If you know of any places or things I can do to help my turtle, then please do so. Thank You...
March 29, 2011

grammar
Your Open QuestionShow me another » Combine sentences using the best coordinating conjunctions.? using and, but, or, for, nor,yet and sometimes so. here are the sentences and my answer. I was hungry. I ate. / my answer- I was hungry, so I ate. I will go. I will stay./ my...
March 29, 2011

English
Need to label the verb wish A for action of L for Linking... 1. The koala bears have climbed the tree. Answer=A 2. The peacock seemed more beautiful than before. Answer=A 3. In the rain forest display at the zoo, the birds looked stange and exotic. Answer=L 4. The goats in the...
March 28, 2011

Gen Chem
What are the net ionic equations for: 1. Potassium Fluoride and Ammonium Chloride and 2. Sodium Hydrogen Sulfite and Potassium Cyanide?
March 28, 2011

History
Were Athen boys forced to serve in the army?
March 27, 2011

History
Was there anything significant that happened in Sparta? Were they important?
March 26, 2011

History
Thank You very much
March 26, 2011

History
Was there anything special/important in Sparta?
March 26, 2011

History
Why was Athens the most important city of ancient Greece?
March 26, 2011

English
I have a question if these are correct.. Thank you for your help! 11. The officers are government officials. (LV= are, Pn=officers) 12. Their presence was necessary in the far north county in the early days. (lv= was, Pa=necessary) 13. Now they are famous throughout the world...
March 23, 2011

English
A couple more questions on Transitive and Intransitive verbs. 1. Zoo keepers harvest bamboo for pandas. 2. Asian farmers live in bamboo houses. 3. Their sandals are made from bamboo strips. 4. People sometimes sleep on bamboo mats. 1. Trans 2. intrans 3. intrans 4. intrans ...
March 22, 2011

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