Questions Asked on
August 24, 2011

Physics
Tree point charges(ABC)have equal magnitudes and are located on the same line.? The separation d btw A and B is the same as btw B and C. A is +, B/C are . Consider the net electrostatic force that each charge experience due to the other two charges.
asked by Jim 
Physics 4B
To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. A steel rivet 1.873 cm in diameter is to be placed in a hole 1.871 cm in diameter in a metal at
asked by Jamal 
Maths
The smallest positive integer value of n for which 168 n is a multiple of 324
asked by Martabak 
physics
A body moving with uniform acceleration has a velocity of 9.8 cm/s when its x coordinate is 1.38 cm. If its x coordinate 1.4 s later is 8.1 cm, what is the magnitude of its acceleration? Answer in units of cm/s2
asked by Jean 
Physics
A train is moving along a straight horizontal track. A pendulum suspended from the roof of one of the carriages of train is inclined at four degree to the vertical. Calculate tge acceleration of train
asked by Einstine 
calculus
Find two unit vectors that make an angle of 60° with v = ‹3, 4›. Give your answers correct to three decimal places. I'm not sure what to do here; I believe that I use to definition of a dot product (or maybe cross product) with relation to the trig
asked by angles 
maths
the smallest integer which is an exact multiple of both 60 and 126
asked by martabak 
math
Barry's family drove 843 mi to see his grandparents. On the first day, they drove 483 mi. On the second day, how long did it take to reach Barry's grandparents' house if they averaged 60 mi/h?
asked by Sam 
AP Chem
An ore contains Fe3O4 and no other iron. The iron in a 51gram sample of the ore is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 21.9 g. What was the mass of Fe3O4 in the sample of ore?
asked by Chandler 
math
13x + 15= 11x  25
asked by Sam 
American Government
what do you think are some possible contemporary effects of persistent discrimination against ethnic and racial minorities?
asked by Emily 
math
Tommy, Shawn, and ricky had a total of 192 picture cards. In a game, Tommy lost some picture cards to Shawn and Shawn's picture cards doubled. Shawn lost some picture cards to ricky and ricky's picture cards doubled. Then they each had the same number of
asked by karen 
Calculus
A car starts from point P at time t=0 and travels at 45 mph. A)write an expression d(t) for the distance the car travels from p. (would it just be y=45x??) B)What is the slope of the graph? what does it have to do with the Car? D)Create a scenario in which
asked by Sarah 
chemistry
The mass of the elements iron and oxygen in four samples of a rustcolored substance was measured in grams. Do you think all four samples are the same compound explain.
asked by Anonymous 
Chemistry
0.717 g of a compound containing carbon, hydrogen, and oxygen is burned and found to produce 1.02 g CO2 and 0.624 g H2O. The molar mass of the compound is 124 g/mol. (a) Write a chemical equation for the combustion of this unknown hydrocarbon. (b)
asked by Franklin 
Chemistry partial molar volumes
The partial molar volumes of the CCl4 and benzene are 122cm3/mol and 98.0 cm3/mol, respectively in a solution in which mole fraction of chloroform is 0.2. Calculate the volume occupied by 2.5 moles of the solution. Thank yOu.
asked by Urgent pls. 
Math (5th grade)
There are 8 more girls than boys in the Math Club. The club has 44 memebers. How many boys and how many girls are in the club? Show your work.
asked by Leann 
calculus
I have 3 points: P(3, 1, 2), Q(1, 2, 3), R(2, 1, 0) and I need to find a nonzero vector orthogonal to the plane through these three points. I seem to recall this having something to do with the cross product, so I mad vectors PQ & PR calculated PQxPR and
asked by cross product 
Calculus :)
If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded monthly ____
asked by Brit 
math
PLS help There are 3 times as many girls as boys in a school choir. What is the ratio of the number of girls to the total number of childern? Thank you for your help
asked by ST pls ASAP 
equation
A fox and an eagle lived at the top of a cliff of height 6m, whose base was at a distance of y metres from a point A on the ground. The fox descends the cliff and went straight to the point A. The eagle flew vertically up to a height x metres and then flew
asked by naman 
English
People who attract a lot of friends are neither negative nor needy. Do I need to change this sentenance so that both parts are parallel?
asked by Tommy 
calculus
Find parametric equations and symmetric equations for the line through P0 and perpendicular to both given vectors. (P0 corresponds to t = 0.) P0 = (4, 3, 0) i + j and j + k Not exactly sure what to do, how do I find what is perpendicular to both vectors?
asked by lines & planes 
math
Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the symmetry of the graphs of sin, cos and tan, to find the exact values of si pi/6, cos 5/3pi and tan 4pi/3. I have found the answers to the first three using the special tables
asked by jenny 
American Government
According to the Declaration of Independence, the power of the government is based on _____.
asked by Kease.F.DCPS 
science
The total power output of the Sun is about 3.8 × 1026 W, and the powerproducing core has a radius of about 1.4 × 105 km (about 20% of the full radius of the Sun). Using these figures and your knowledge of the energy release in the proton– proton chain
asked by mj 
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!
asked by Ann 
math
pls help. There are three times as many girls than boys in a school choir. If there are 27 girls how many children are there altogether. Thank you
asked by ST pls ASAP 
Science
16g of bone displaced a volume of 8mL of water.what is the density of the bone?
asked by lala 
Geography
I need an easy way to remember the followingg states: Montana, Wyoming, Colorado, New Mexico, Arizona, Utah, Idaho, Washington, Oregon, Nevada, and California. I have to know the capital and where it is located on the u.s. map .
asked by Molly 
geometry
FIND THE LENGTH OF THE RADIUS OF THE CIRCLE IS 9cm. THE ARC OF THE SECTOR MEASURES 60 DEGREES. FIND THE AREA OF THE SECTOR.
asked by YUSUF ALU 
physics
A jogger runs in a straight line with an average velocity of v1=6.6 m/s for t1=6.0 min, and then with an average velocity of v2=5 m/s for t2=3.0 min. What is her average velocity during this time? Answer in units of m/s.
asked by Elisabeth 
physics
An electron has an initial speed of 178000 m/s. If it undergoes an acceleration of 4.8 x 1014 m/s2, how far has it traveled before reaching a speed of 789000 m/s? Answer in units of m.
asked by Hannah 
math
8+12 rewrite using commutative property
asked by Carissa 
Chem
Solid ferric nitrate and aqueous sodium hydroxide are combined with water in a test tube. A brown to red precipitate forms in the test tube. Write a complete chemical reaction that accounts for the formation of the solid.
asked by Jessica 
algebra1
how do you figure out this answer.15.6+xforx=17.9
asked by timmy 
physics
A jogger runs in a straight line with an average velocity of v1=10.2 m/s for t1=6.0 min, and then with an average velocity of v2=7.7 m/s for t2=3.0 min. What is her total displacement? Answer in units of m.
asked by Elisabeth 
algebra
how do I use the emlination method to slove the system of equation 5r + 3t = 1?
asked by Sarita 
physics
An electron has an initial speed of 178000 m/s. If it undergoes an acceleration of 4.8 x 1014 m/s2, how far has it traveled before reaching a speed of 789000 m/s? Answer in units of m.
asked by Hannah 
Trigonometry
an open box is made by cutting squares from the corners of a piece of metal that is 18 cm by 26 cm. If the edge of each cutout square is x cm, find the volume when x=1, x=2, and x=3. If someone could explain to me how to do this. It would be very
asked by asdfghjk 
statistic
Using the 689599.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: a. Percentage of scores less than 100 b. Relative frequency of
asked by Sonia 
math riddles
using the numbers 19 only once, make an addition problem using all the numbers. (it has to be in the hundreds positioning)
asked by bekka 
MATH
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 168 and 182 cm tall? (b) How many would you expect to
asked by Lee Ann 
math
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.82 inch? (Give the answer to four decimal places.)
asked by apryl 
writing
Can someone please help? Does this seem to be correct? o Identify which paragraph was more effective and analyze why this is so. o Include a discussion of sentence variety and the rhythm of the author’s writing. o Focus on the writing rather than the
asked by Anonymous 
6th grade math
Total tickets sold$1625. Adults $7,kids $3. Twice as many kids as adults bought tickets. How many adults and kid tickets were sold.
asked by Jenna 
science
choose a topic such as history or science you feel is relevant to the age group you work with or expect to work with. 200300 words how you can assess a child's knowledge on your chosen topic using at least five of gardner's intelligences.
asked by jenifer 
statistic
1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. b. The graph of a normal distribution is bellshaped. c. If a population has a normal distribution, the mean and the median are not equal.
asked by Sonia 
Chemistry
0.717 g of a compound containing carbon, hydrogen, and oxygen is burned and found to produce 1.02 g CO2 and 0.624 g H2O. The molar mass of the compound is 124 g/mol. (a) Write a chemical equation for the combustion of this unknown hydrocarbon. (b)
asked by Anonymous 
Math
The mean of a set of n numbers is 180, if 54 is added to the set of numbers the new mean is 159. Find n
asked by clolyne 
Algebra
When fighting a fire the velocity V of water being pumped into the air is modeled by the function v=ã2hg, where h represents the maximum height of the water and g represents the acceleration due to gravity (32 ft/s^2) Solve the function for h.
asked by Bella 
physics
a ballon is moving upward with velocity 5m/s.when it isat a height of 98m a packet is dropped from it.what is the velocity of packet when it strikes the ground.
asked by armando 
calculus
Use vectors to decide whether the triangle with vertices P(3, −3, 0), Q(4, 0, −2), and R(8, −2, −3) is rightangled. I feel like this uses the cross product but I'm not sure how.
asked by cross product 
World History Honors
My assignment: Imagine that Sita, Mahavira, Siddhartha Gautama, Confucius, and Laozi were all invited to dinner at the home of Brahma. Write a 600word dialogue between them as they argue about what they should eat for dinner and who should sit next to
asked by mel 
geometry
Line e bisects line xy at m and divides line xy into two equal parts. name a pair of congruent segments.
asked by j 
statistics
A random variable x has a following probability distribution. x: 0 1 2 3 P(X=x) 1/6 1/2 1/5 2/15 How to calculate E(1/(X+1))?
asked by Mahalakshmi 
english
identifying the parts of speech of each wording by placing the appropriate abbreviations after the words It is a toothless creature that can smell and see well. identify the appropriate part of speech noun,adjective, verb, ect... TOOTHLESS,SMELL
asked by jean 
chemistry
the solubility of KNO3 is 8.9 moldm3 at 50c.what is the mass of salt would be require to saturate 200cm3 of water at this temperature.
asked by ADA 
math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 175 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 169 and 181 cm tall? 1 (b) How many would you expect to
asked by apryl 
MATH HELP!!!!!!! :(
This is a riddle, and I'm supposed to find a 5digit number from it..... My thousand's digit is the first that is perfect, but if you're not happy with that, it's also the product of the first two primes. My units digit is the odd of those two primes, and
asked by Catherine 
Math
The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.83 inch? (Give the answer to four decimal places.)
asked by Lee Ann 
math
student tickets to the school musical cost $3 each. All other tickets cost $5 each. Suppose that 272 tickets were sold for a total of $1120. How many tickets of each type were sold?
asked by Valentin 
french
I was wondering how do I put "Elle se Bronzent" is the Passe Compose, Imparfait, and Plus que parfait since i still haven't gotten the hang of it.
asked by MorganV 
6th grade math
Total tickets sold$1625. Adults $7,kids $3. Twice as many kids as adults bought tickets. How many adults and kid tickets were sold.
asked by Jenna 
geometry
sam must paint his bedroom ceiling. the diagram below represents his bedroom ceiling and includes a circular light fixture with a diameter of 2 feet. a gallon of paint covers 16 square feet and costs $8.95. how much will sam have to spend on paint to cover
asked by Anonymous 
Health
Why is support important for situations involving abuse?
asked by Jason 
Statistics
For a particular value, this table gives the percent of scores between the mean and the zvalue of a normally distributed random variable. What percent of the total population is found between the mean and the zscore, assume z = 2.79
asked by apryl 
Chemistry
My ONLY three questions I need help on! I did the other 50 something already!(: Why are covalent bonds weak in the presence of heat but strong in the presence of water? What are the 5 rules for ionic bonding? Give an example of a compound that is
asked by marie(: 
health
How do you adopt a major HMIS standard? this is the last question in my essay and i can't seem to find the answer to it.
asked by Anonymous 
biology
List and describe ways that plants affect/influence your life as a whole and on a daily basis?
asked by Anonymous 
Math
Use division to convert the base ten numeral 35 to base five.
asked by Shay 
Math(Equation Writing)
Can you please help me write out the equation for these? (not solve) 1. The number of trees planted by the Alpine Nursery in April was three more than twice the number of trees planted by the nursery in March. If 73 trees were planted in April, how many
asked by Bryce 
math
student tickets to the school musical cost $3 each. All other tickets cost $5 each. Suppose that 272 tickets were sold for a total of $1120. How many tickets of each type were sold?
asked by Valentin 
mind and machine
What figure from the history of philosophy section do you think might have some views that are similar, or at least relevant, to your own?
asked by Noel 
Physics
A roller coaster moves 85m at 35 degrees S of W, and then travels 30 m at 45 degrees W of N. What is its displacement from its starting point?
asked by Jack 
healthcare
What is the relationship between research and evidencebased care? Provide an example that shows why this relationship is important. i have the first part i need a example can anyone help me out?
asked by bobbi 
algebra
n+(5)= 7/12
asked by glenda 
math
use the numbers 3,5,6,2,54, and 5 in that order to write an expression that has a value of 100
asked by john 
Chemistry
A stock aqueous solution contains 348.29 grams of NaCl per 1.000L. 68.00mLs of water is added to 10.00mLs of the stock solution. What is the molarity of the dilution???
asked by Jessica 
algebra
49t^2 + 42t + 9
asked by Anonymous 
Physics
1)A car is moving with uniform accelaration. It moves along two point A and B and enters with velocity 50 m/s and 80 m/s respectively . Find the velocity when the car is moving in b/w the point A and B. Let t be the time measured from when the velocity is
asked by Prathiksha 
statistics
A researcher is interested in studying people’s mean age in a certain region. If the population standard deviation is known to be 8 years and 1.5 year of error margin is allowed, find the minimum simple size the researcher needs to use, knowing that he
asked by josh 
science
if a bowling ball has a momentum of 12 kilogram meters per second east. and the velocity of the ball is is 3 meters per second east then what is the mass
asked by jamarrow chisolm 
ashworth
Commercial banks are required by law to hold reserves. These reserves are specified as percentages of a bank's
asked by Anonymous 
Writing
Review the feedback provided by the Center for Writing Excellence and make corrections to your paragraph. When doing so, understand that WritePointSM may be helpful but is not always correct. Make the corrections you feel are appropriate. Underline topic
asked by Cic 
american history
what is one reason colonist came to america
asked by d 
biology
What is the main idea of metabolism. please help
asked by Josh2817 
math
use exact values of the sin,cos and tan of (pi/3) and (pi/6)(which I have found)and the symmetry of the graphs of sin,cos and tan to find the exact values of sin(pi/6), cos(5pi/3) and tan (4pi/3). I know that sin (pi/6) = 1/2 and cos (5pi/30 = 1/2 and
asked by jenny 
physics
If the refractive index of air to glass is 1.52 and air to water is 1.33, find the density of the glass if density of water is 1g/cm^3
asked by U 
math
estimate using compatible numbers or other methods. estimate by rounding 123,78682,004=
asked by stephanie 
English (Essay)
I'm writing about the treatment of Taliban women in Afghanistan and so far I've accomplished 2 paragraphs. Could you proof read it and give me some pointers? Thanks so much! There is no stopping the madness that is charging through the bloodstained
asked by CP 
math
how do you calculate the distance and speed of a motorcycle that is going to jump 4 cars
asked by linda 
social studies
whose civilization is the best civilization in the world?
asked by jagadheeswar 
public health
What are the purposes of public health surveillance? How are they implemented and utilized by communities, governmental agencies, and health care organizations or providers?
asked by nathalie 
geometry
point r is located at (1,0) and point s located at (8,12). Find the length of the line segment rs.
asked by Anonymous 
Accounting
What would be the effect of removing either the Matching Principle or the Revenue Recognition Principle from the process? Use a concrete example of how doing so might affect accounting in a given period.
asked by michelle 
geometry
simplify by rationalizing the denominator: 18 ``√6````
asked by hector sanchez 
accounting
What is the journal entry to record a sale but no cash comes in?
asked by Nick 
Statistics
an automobile manufacturer claims that their tires last more than 70,000 miles before replacement? Whats the null and alternative hypothesis
asked by Anonymous 
physic
Lai was driving north on Hwy 75 with a speed of 56.9 m/s when she heard on a CB that a patrolman was hiding 127.3 m north of where she is. Knowing that the patrolman can start clocking the car in 2.7 seconds, Lai decided to slow to 34.2 m/s. and
asked by Shannon 
physics
A person takes a trip, driving with a constant speed 94 km/h except for a 83 min rest stop. If the person's average speed is 70 km/h, how far is the trip? Answer in units of km
asked by Shannon 
Matg
Write 7hb as a phrase.
asked by Jenny 
math
A random variable x has a probability distribution. How to calculate E(1/(X+1))?
asked by Mahalakshmi 
physics
a ball is dropped from height of tower 300m .after 1s another ball is dropped with 20m/s from tower .when and where they meet?
asked by armando 
Physical Education
How could abuse victims access support services?
asked by CrissyXD 
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
asked by Ann 
math
an aquarium had 50 goldfish and angel fish. After 2/5 of the goldfish and 1/2 the angel were sold, there were 27 goldfish and angel fish left. What was the ratio of the goldfish to the angel fish after the sale?
asked by karen 
STATISTICS
WHAT PERCENTAGE OF AFRICAN AMERICAN ARE FEMALE
asked by Karen 
Chemistry
For High Performance Liquid Chromatography (i.e. HPLC), can the column be flushed with Isopropanol (i.e. IPA)?
asked by jess 
Writing
Is this correct? describe the feedback you received from WritePointSM, providing specific examples of helpful suggestions, as well as ones you felt may have been incorrect and why you think that. underline topic sentence. Topic sentence firtst sentence I
asked by Anonymous 
French
how do you count and spell in French from 120?
asked by Bryce 
Comp 155
Explain the key differences between the types of essays.
asked by Me 
Math
Two employees are painting wall. A takes twice as long as B to paint the same area. During a typical 8hour day, A works the full 8 hours, but B takes a 2hour break. A paints one way in a day. How many walls do both employees paint together? I need an
asked by Kyle 
Physical Education
Preliminary design of a compressor drive train Determine the forcetime function within the compressor’s cylinder and the torquetime function acting on the input shaft on the compressor during any cycle. Given: Compressor speed is 1500rpm. The
asked by IceBerg 
Calculus :)
For the function f(x)=1/(x+1), verify f(x) is onetoone, then calculate f^1 (1/4) and (f^1)' (1/4)
asked by Brit 
professional communication
explain the importance of five sentence starters that you can use in a professional presentation?
asked by martha 
math
name the place to which each number was rounded. 76,960 to 77,000 687,684 to 690,000 1,284,955 to 1,284,960
asked by stephanie 
english
how to learn good english
asked by shalini 
essay
I am supposed to do an essay on the 5 people you meet when you go to heaven. Do you think I should read whole book first and then do outline or take notes and make outline as i go along?
asked by lisa 
History
homo sapiens came to north america by...????
asked by Justin 
social studies
I have this homework and its an acrostic the word is history and each of the words I choose have to have something to do with texas history i got all except h and y what are some words i could use?
asked by Jing 
math
tom sells 15% of 180 acres to dan for 1,100 an acre .the motrgage finace fees dan must pay are 3% of the total price.how much are the fees
asked by tina 
Math
What is 2 + 2? = 4 What is 2 * 2? = 4 So, the sum and the product of these two numbers is the same. Are there other numbers that have this same property? Yes Determine all number pairs x and y such that the product of x and y and the sum of x and y are
asked by Kylie 
Comp 155
What is an analysis essay?
asked by Me 
Math
Stupendous Supermarket has agreed to sell Uncle Edsel's homemade Rhubarb and Clam Pies. Each pie has a radius of 4 inches. If the store decides to display 10 of them in a single row across the top of the bakery counter, how wide will the display be?
asked by Cortez 
Management Theory, Practice, and Application
How has management changed due to the increased role of globalization? Would a good leader in one country automatically be a good leader in another country? What characteristics should a leader have to make them successful globally?
asked by Anonymous 
algebra
2 5/8* 24* 6 2/3 *=time, multiply
asked by sarah lopez 
Math
How can I get the answer: 9 / 3.8  2.3 I don't know if I need to divided first or get the difference. Thank you for helping me.
asked by Veronica 
algebra 2
simplify completely: (3a^3b )3  ( 2a^1b^2)
asked by jorge lara 
personal financial planning
Which part of the comprehensive financial plan do rent and food fall under?
asked by nene miller 
pre calculus
how do i solve this problem: Draw the angle in quadrant I whose terminal side is on y+4x
asked by Emily 
math
A random variable x has a following probability distribution. x: 0 1 2 3 P(X=x): 1/6 1/2 1/5 2/15 How to calculate E(1/(X+1))?
asked by Mahalakshmi 
math
Number of 17 boxes to of 14 boxes plus number of 11 boxes
asked by ardont 
ETH/125  CULTURAL DIVERSITY
List two to three characteristics of Orientalism. How may Orientalism and prejudice contribute to hate crimes against these groups?
asked by tammy 
math
a pet shop owner had an equal number of hamster and puppies for sale. the hamster were put equally int o 4 cages and the puppies were put equally into 12 cages. at the end of the day, he had sold 3 cages of hamsters and 6 cages of puppies. if the total
asked by karen 
Math
Could anyone help me find the pattern for these fractions? I can't seem to figure it out. Thanks 2/3,3/4,4/5,5/6. The LCD for them is 60.
asked by Shadow 
Math
Can someone please walk me through this? i don't want the answer..........just a walk through. Quiz tommorrow. 2 + 5(9x  6) = 14
asked by Bryce 
math
manfred mouse fell inside a box of toy blocks. to escape, he needs to build a stairway with the blocks. for manfred to escape, the stairway must be 8 blocks high. he starts with 8 blocks for the bottom step. for the next step, he lays 7 blocks atop the
asked by Cortez 
Math
Simplify the Ratio 4in : 1 yd
asked by Madi 
math
4^(3x)=7 showing all steps
asked by jenny 
Marketing Research
You are the owner of a midsize business that sells medical devices to hospitals, clinics, and physicians. Your products include implantable devices (pacemakers) and equipment used for therapeutic applications such as dialysis, monitoring of blood sugars,
asked by Lorraine 
Chemistry
I need to calculate this and I am to asume that all numbers are measurements. I am working with signifigant figures. .6260.015
asked by Roy 
math
find the range the answer will be within 6,473+3,234 32,959+15,568 79,484+8,933
asked by stephanie 
geometry
find the circumference of the circle to the nerest tenth. d=1/2yd
asked by Rosetta 
science
is hydrogen an element
asked by Muhammed 
MATH
Detroit puts out 5 white cars to every green car. If Detroit makes 2,692,000 green cars, how many white cars does it make?
asked by Anonymous 
Math
If girls made “A’s” on a ratio of 7 to 5 compared to boys (of course this is not in our school), how many “A’s” would the boys make, if the girls made 92?
asked by Anonymous 
math
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 4. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single,
asked by apryl 
english
could you mind explaining the grammatical aspect and what tense form would it come under for : The car started
asked by telagathoty 
maths
Find the sum to n terms in the following series. 2.3.4 + 3.4.5 + ......... Please explain me in detail, thanQ!!
asked by Chandra Lekha 
8th Math
How do I substract a whole number from a fraction ?!?!?!
asked by Jasmine 
Statistics
what does it mean for categories to overlap? does it mean that categories overlap if they have the same value? Ex: Cause : Percent weather : 40 error : 6 mech. : 12 sabotage: 6
asked by Amy 
GEO
what advantage for ecotourism?
asked by Himau 
math 7th grade
simplify 2(a^2+2b+2a^2)+b+2c answer: 4a^2+5b+2c also 6a^2a^2+16=7a^2+16 correct??
asked by jill 
math
5x  2 + 3x= 17 + 12x  23
asked by Sam 
math
round 7,596,459,456 hundreds thousand
asked by stephanie 
Math
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single,
asked by Lee Ann 
Math
slimy sid's "fun bag"holds 19 worms and 6 slugs.How many of which bug would you add to make the probability of picking a slug 1/2.
asked by Cortez 
Literacy
Miss Sue please review Literacy question #2, on Aug 23, 2011 @ 6:04pm. I believed I made a mistake, the correct answer is C not B. 2. The Altas of World Religion is an example of which of the following reference sources? A. Historical atlas B.
asked by Jen 
information technology
discuss wheather the problem behavior could be caused by  Motivation  Ability  Role perceptions  Situational factors
asked by Anmmar 
algebra
what numbers are multiples of 3
asked by janie 
geometry
what are the measures for the following shapes? cube? rectangle? cone? sphere?
asked by Anonymous 
math
Number of 17 boxes to of 14 boxes plus number of 11 boxes
asked by ardont 
physics
stone dropped from a tower if steady wind blows in the horizontal direction
asked by kigni 
MATH
We have two bags of marbles. The first bag has a ratio of 2 blue marbles to 7 red ones. The second bag has the same ratio. If the 2nd bag has 37 red marbles, how many blue ones does it have?
asked by Anonymous 
math
find the range the answer will be within 6,473+3,234=9,707 and the range is 3239 do i add 6,473+3,234=9,712
asked by stephanie 
English
Our state is bordered by Kansas to the west. Should west be capitalized...I was thinking it was a direction and didn't.
asked by Meghan 
geometry
find the value of b if jm = b and ml = 3b4
asked by josh 
maths
express 13,40 as a decimal
asked by endrew 
geometry
simplify: √27
asked by hector sanchez 
maths
if both the radius and the hight increse, what happens to the volume of the cylinder?
asked by tilahun 
g.k
who is indian prome minister?
asked by sai rajesh 
computer
which type of memory needs to be refreshed most often? A. Dram B. FRAM C.SRAM D.XRAM I think DRAM but not sure
asked by red 
math
it is greater than 43 and less than 52 and the sum is 8 what is it
asked by sjfh 
math 11th
3/(x+4)+5/(x2)
asked by kim 
math
round 7,596,459,456 to the place named ten thousands millions hundreds thousand
asked by stephanie 
english
do you know a good sight for practice 0n complete subject and complete predicate
asked by jill 
algebra 2
3 √5 + 4 √5
asked by oliver lopez 
algebra 2
12 √3 + 3 √12
asked by oliver lopez 
algebra 1
6  √5
asked by victor medina 
Math
3(74)^2??
asked by Dani 
algebra 2
3 √15  √3
asked by jorge lara 
Math
[3(7 + 4)  2]6
asked by Liz