Questions Asked on
July 5, 2013

Math
What is the rounded off number,to the nearest gram,of 4.86932 kg
asked by Oliver 
Chemistry
The Henry's law constant for CO2(g) in water at 25 °C is 29.4 bar·M–1. Estimate the concentration of dissolved CO2(g) in a carbonated soft drink pressurized with 1.95 bar of CO2(g).
asked by Matt 
MATH
Carol Byrd gets a student rate of $30.00 a month for health insurance. There is a $250 deductible. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the
asked by Bria S. CAN YOU HELP 
english
1. Choose the answer that displays the correct spelling of the plural form of the words in parentheses. How many (praying mantis) will we have to import to fight the (grasshopper)? 2. Choose the answer that displays the correct spelling of the plural form
asked by ashley 
chemistry
the molarity of 2% by weight of aqueous solution of H2S4(molecular weight = 98)
asked by Samuel 
trigonometry
A mini toy helicopter ascends 50 feet vertically, then flies horizontally 200 feet. Find the angle of elevation to the helicopter now as seen by an observer at the takeoff point. Round to the nearest degree
asked by Anonymous 
Math
A certain car costs $11,595 before taxes are added. Taxes are $860 and license tags cost $95. What is the overall tax rate (to the nearest tenth)? %
asked by Bria S. (Explain Pls) 
math
Ginny Jones receives $650 gross salary biweekly. Her income tax rate is 15%. Her group health plan contribution is $24.50 per pay period. She belongs to the company retirement plan, to which she contributes 6.5% of her earnings. She is also covered under
asked by Bria S. 
physics
Two racquetballs, each having a mass of 144 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45° angle with the horizontal.
asked by Anonymous 
earth
The capital letter(s) that label a rock unit (e.g., KJk) on a geologic map represents the rock unit's
asked by yesenia 
math
Carol Byrd gets a student rate of $30.00 a month for health insurance. There is a $250 deductible. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the
asked by Bria S. 
physics
Two racquetballs, each having a mass of 147 g, are placed in a glass jar as shown in in the figure below. Their centers lie on a straight line that makes a 45° angle with the horizontal.
asked by Anonymous 
math
Find the approximate increase in the area of a circular disc if its diameter is increased from 44cm to 44.4cm
asked by azeem 
Thermodynamics
27.300kg of Copper at 35.000 degrees Celsius receives 460.000kJ of heat. Calculate the final temperature of the metal. ANS = degrees Celsius Copper specific heat = 0.39kJ/kg degrees Celsius. Q = mc (t2  t1) Q = 460.000kJ m = 27.300kg c = 0.39kJ/kg t1 = 35
asked by Danny 
BioStats
An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r = 0.35. The study involves n=125 participants and the mean (std dev) age is 44.3 (10.0) years with an age range of
asked by Simone 
math
The distribution of heights of adult American men is approximately normal with a mean of 68 inches and a standard deviation of 2 inches. What percent of mean are at least 72 inches tall? Thanks!!
asked by Anonymous 
math
An 80% acid solution is to be mixed with a 30% solution to get 90 gallons of a 50% solution. How many gallons of each solution are needed?
asked by Monica 
Calculus
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 16 feet
asked by Robin 
math
Can somebody please help me with this. thank you 89___89 the second 89 has a solid line on top of the number. Is this equal or greater than or equal to 89 without the line No one has answered this question yet.
asked by iris 
Chemistry
A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute? In 1 second?
asked by Jade 
math
Two cars leave at the same time from towns that are 460 miles apart and travel toward each other. They meet after 4 hours. Find the rate of each car if one car travels 13 miles per hour faster than the other.
asked by Monica 
math
a ship leaves a port at 6 am traveling due east at 12mph. another ship leaves a port 11 am traveling due north at 15 mph. how far apart are they at 11pm to the nearest tenth mile?
asked by megan 
helllllppp math
In a tetrahedron ABCD, the lengths of AB, AC, and BD are 6, 10, and 14 respectively. The distance between the midpoints M of AB and N of CD is 4. The line AB is perpendicular to AC, BD, and MN. The volume of ABCD can be written as a√b, where a and b are
asked by lin 
phy
(Q1)At what altitude above the earth's surface would the acceleration due to gravity be 4.9m/s2?Assuming the mean radius of the earth is 64000000meters and the acceleration due to gravity 9.8m/s2 on the surface of the earth
asked by ikye 
Math
Four different brands of 18 ounce peanut butter were randomly selected from a grocer's shelves; their contents were weighed. Use these results to determine which company fills its jars more consistently? Answer Bama: 18.11, 17.98, 18.03, 17.99, 17.95
asked by Anonymous 
math
Carol Byrd gets a student rate of $30.00 a month for health insurance. There is a $250 deductible. She recently received treatment for a covered condition. The bill was $2,300.00. Carol's insurance company provided payment of 80% of the bill less the
asked by Bria S. 
Statistics
A district mathematics test for all third graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of the third graders tested scored with +1 and 1 standard deviation of the mean?
asked by Anonymous 
College Algebra
A pharmaceutical salesperson receives a monthly salary of $2480 plus a commission of 7% of sales. Write a linear equation for the salesperson's monthly wage W in terms of sales S. W(S) =
asked by Jack 
geology
Wood fragments from the floor of a palace in Syria  SyroHittite period. Date: 675 ± 50 years BCE
asked by Anonymous 
English
Mark Twain used the characters his novel "Adventures of Huckleberry Finn" to show his contempt for the romantic style of literature. List three examples from the text that support the label for each character. Huck Finn Realism Tom Sawyer Romanticism
asked by Jake 
statistics
If I know that a set of test scores has a mean of 75 and a standard deviation of 8 what can I conclude?
asked by allison 
algebra
a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball
asked by Sandi 
business math
using the exact interest method 365 days, find the amount of interest on the following loans, principal is $1,700, the rate is 121/2 percent, time days is 33. what is the exact interest
asked by Anonymous 
Business Communications  English 101
Is first paragraph punctuation correct? (no missing commas, etc) 2nd paragraph  would it be a period or a semicolon? Thanks!!! It will be our pleasure to welcome you and your staff to Tampa, Florida, on January 8. All of the tour arrangements you have
asked by MaryBeth 
English
1.The psychology of children coping with sexual abuse 2.Adolescents who commit suicide 3.Selfinflicted pain as a response to grief/abuse Throughout the years, many young women have always struggled for freedom to deal with the problems they have. Such
asked by Jennifer Han 
math
A district mathematics test for all third graders had a normal distribution with a mean of 74 and a standard deviation of 11. What percentage of the third graders tested scored with +1 and 1 standard deviation of the mean?
asked by Anonymous 
algebra 2
Consider the exam data below. Algebra score: 20 35 13 29 40 23 Calculus score: 41 69 34 72 86 58 Use your calculator to find the regression line for this data, and graph it on your scatterplot. b. Interpret the slope and intercepts of this line in the
asked by Rachel 
Spain
After the Visigoths, what group invaded the Iberian Peninsula? How long did their reign last?
asked by Susan 
English
In Adventures of Huckleberry Finn, Jim and Huck both decide that their relationships with their friends and loved ones are more important than their freedom, lives, and in Huck's case, his soul. Do you think modern heroes can make the same kinds of
asked by Jake 
heeeeeeeelp math
In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?
asked by lin 
Trig
A tire is rotating 600 times per minute. Through how many degrees does a point on the edge of the tire move in 1 minute?
asked by Jade 
physics
A capacitor has stored energy U. If the voltage and plate separation are both doubled, the new stored energy is ____.
asked by Anonymous 
maths
(Q1)a+3b+2c=3,2ab3c=8,5a+2b+c=9.solve for a,b&c by matrix method. (a)2,9,3(b)4,(3),1(c)7,5,5(d)3,(4),7 (Q2)a+2b+3c=5,3ab+2c=8,4a6b4c=2.find a,b&c by Guassian method.(a)1,4,9(b)4,(5),5(c)5,(3),9(d)(1),5,10
asked by jane 
Algebra 2
The probability that it will rain on each of the next 5 days is 50%. What is the probability that it will rain for 3 of the next 5 days?
asked by Anonymous 
Algebra 2
A gas station is giving away free glasses with 5 different designs. What is the probability of collecting all 5 in 15 visits to the gas station?
asked by Anonymous 
english
Choose the answer that displays the correct spelling of the plural form of the words in parentheses. Ancient (Roman) used (goose) as (guard) to warn of (enemy) approaching the camp.
asked by alex 
Math
The Treasury Department auctioned $30 billion in threemonth (13week) bills in denominations of ten thousand dollars at a discount rate of 9.227%
asked by Lulu 
heeeeeelp computer
A Harshad Number in a given number base is an integer that is divisible by the sum of its digits when written in that base. For example, the number 11 in base 5 (which is 6 in base 10) is divisible by 1 + 1 = 2 in base 5. It is therefore a Harshad number
asked by lin 
math
When I went kite flying the other day, I let out an entire roll of string (400 feet). If when the string pulled tight formed a 40 degree angle with the ground, about how high was the kite?
asked by megan 
business math
what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,$120,740 principal, 11 3/4 rate, 7months for time
asked by Anonymous 
algebra
Two commons sources of nicotine are cigarettes and cigars. Find the probability that a randomly selected adult does not smoke cigarettes.
asked by Sandi 
physics
A football, if it was kicked when initially at rest, is inflated such that it will move in the direction of the kick with h=0.8 of the kicking foot's velocity We now consider the same ball being kicked while it's moving towards the football player's foot.
asked by anonim 
Algebra1 HELP PLEASE
Solve 7⋅x = x2  6 by using the Quadratic Formula. Round to the nearest tenth.
asked by lisa 
Science
Explain the bonding in sodium metal. You may wish to include a diagram. The atomic number for Sodium is 11
asked by Anonymous 
math
Wendy invested $6500.00 into two bank accounts, one paying 4% simple interest and the other paying 6%. If her annual interest from the two accounts is $344, how much did she invest at 6%?
asked by Monica 
math
Determine an expression for f(x) in which: f(x) is cubic, f(x) ¡Ý 0 when x ¡Ü 2, f(x) < 0 when x > 2, and f(0) = 4
asked by FUNCTIONS 
math
The following set of points belong to a specific function: {(3,0)(2,4), (1,0), (0,6),(1,8), (2,0),(3,24)} Based on the set of points answer the following questions: a) What type of function does it produce? Justify your answer. b) Write an equation
asked by FUNCTIONS 
Chemistry
The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?
asked by Nat 
Chemistry
The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?
asked by Nat 
ststistics
what is the main different of ststistics and maths
asked by zekarias kasssa 
heeeeeeeelp math
Find the smallest n such that for some prime p, at least 20 of the numbers 1,2,...,n are quadratic nonresidues modulo p.
asked by lin 
heeeeeeeeeeelp math
A strip of 41 squares is numbered 0,1,2,…,40 from left to right and a token is placed on the square marked 0. Pinar rolls a pair of standard sixsided dice and moves the token right a number of squares equal to the total of the dice roll. If Pinar rolls
asked by lin 
Physics
A 4000N block is moved up a slope that is 20 degrees to the horizontal. If the coefficient of friction is 0.3, find the force parallel to the slope to: a) move the load up the slope b) prevent the load from sliding back
asked by Ted 
phy
(Q1)What is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24h? Take G=0.0000000000667Nm2/kg2. Mass of the earth is 598000000kg (a)4200000m and 31000m/s (b)5600000m and 4300m/s (c)430000m and 5000m/s(d)3400000m
asked by ikye 
government
Hello, I am to write a paper that critically analyzes a current,domestic or foreign political issue of importance to the United States. I want to write about the war in Iraq. If that is not correct do someone have any suggestions on a topic.
asked by angela 
Spain
What cultural aspects of the Moors can be found in Córdoba and other Southern cities in Spain?
asked by Susan 
Health care
1. Wrongful death statutes create a right to collect damages for A. loss to the patient's estate of future earnings. B. loss to familial quality of life. C. punitive damages D. pain and suffering of the patient. My answer A 2. Elizabeth says duty of care
asked by Kim 
math
Two metal alloys, containing 26% copper and 54% copper are to be mixed together to get 210 oz that is 30% copper. How much of each should be used?
asked by megan 
Trig
Suppose a CD player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?
asked by Jade 
advanced functions
Solve for x, x ϵ R a) (x + 1)(x – 2)(x – 4)2 > 0
asked by FUNCTIONS 
Algebra 2...
Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with chocolate mousse on top, cherry truffle in the middle, and double Dutch chocolate on the bottom. Teller wants a dish with
asked by Anonymous 
algebra
perform the subtraction (8a+2b)/(8a^(2)+2ab3b^(2))(a+2b)/(16a^(2)ab^(2))
asked by jamie 
bacteria
at 52 degrees F, how fast does bacteria grow? At 37 degrees F, how fast does bacteria grow?
asked by rose 
help please
It is recommended that a person ________ to manage and reduce stress. A. Talk to family and friends B. Eat more frequently C. Beat oneself up D. None of the above I think its a?
asked by barbara 
Calculus
Find a general solution to each first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write all solutions explicitly if possible. dr/dè = r^(2)/è
asked by Sara 
Chemistry
The pH of a 0.10 M solution of a certain acid is 3.25 at 25°C. What is the pH of a 0.010 M solution of the same acid at the same temperature?
asked by Nat 
Newtons square meters
What's the pressure exerted by a 150 newton person standing on an area converted by the persons shoes of 0.20 square meters? Help please
asked by Areli 
Psychology
Why is determining abnormal behavior or a mental disorder so difficult? In 2 paragraphs please . :)) Thank you :)
asked by Rey 
math
John has a box that contains one red ball and one blue ball. Every minute he reaches into the box and randomly takes out a ball from it (without looking). No matter which ball he took out, he puts it back together with another ball of the same color. Thus,
asked by GT 
Physics (help steve)
A thin aluminum ring hangs vertically from a torsion spring. A torsion spring when twisted exerts a restoring torque given by τ=−κθ where θ is the angle of twist. Suppose that the ring undergoes small torsional oscillations while it is being cooled
asked by Bob 
Chemistry
Suppose a CAV player makes 48 revolutions per minute. Through how many degrees will a point on the edge of a CD move in 1 minute? In 2 sec?
asked by Jade 
psy/315
What is the comparison distribution and why is it important in hypothesis testing?
asked by Anonymous 
math
Would a repetitive number be greater than the same number that is not repetitive?
asked by iris 
advanced functions
Solve for x, x ϵ R ¨Cx3 + 25x ¡Ü 0
asked by FUNCTIONS 
math
factor (m/4 + n/3)(3m/4  2n/3) Is this the answer? if not, what did I do wrong? 3m^2/16 + mn/12  2n^2/9
asked by megan 
math
No idea. Please help. Is 20 times 5/6 g reater than or less than 20? How do you do it? Second question What is 4/5 of 2/3?It shows a square and says find answer on the model. Any help, please
asked by sam 
Algebra 2...
I have a pack of cards. I draw one card,then a second card without putting the first card back in the pack. What is the probability that I draw two aces?
asked by Anonymous 
Algebra 2
Palmer and teller go to the local ice cream parlor after work that offers 40 flavors of ice cream. Palmer wants a cone with chocolate mousse on top, cherry truffle in the middle, and double Dutch chocolate on the bottom. Teller wants a dish with
asked by Anonymous 
Business
Is "pharmacy" a business or a profession?
asked by Rachel 
chemistry
caculate 230 ml of 1.1 molarity HCl solution
asked by Kiki 
algebra1 HELP PLEASE
find the value of x and y that make each equation true 4+(y)^i=12xi+8 please show the steps thanks
asked by lisa 
business math
what is the maturity value of the following loans using MV=P(1+RT to find the maturity values,$120,740 principal, 11 3/4 rate, 7months for time
asked by Anonymous 
algebra 2
You are selling tickets for the homecoming football game. Student tickets cost $4 and general admission tickets cost $6. You sell 450 tickets and collect $2340. How many of each type of ticket did you sell? A. Not enough information B. 180 students;270
asked by Sam 
Social Studies
Who were the Visigoths and what was their most important contribution to Spanish culture
asked by Susan 
stats
tire co. has produced 614 tires a day. (standard dev. of 36). they changed process to see if it increases amount of tires made. The sample mean is 620. alpha is .05 and n=16
asked by carole 
foreign language
How do you use the appropriate forms of the adjectives simpatico, dificil, aleman, and guapo?
asked by sandra 
math
Complex numbers α and β satisfy αα¯=ββ¯=−17,α+β=7i. What is the value of αβ? α¯=conjugate of α β¯=conjugate of β
asked by Jak 
Social Studies
How did the Visigoths, who practiced Christianity, come to practice Catholocism?
asked by Susan 
math
solve for c: 3/4(2c+3)+3/5(8c2)=9c
asked by megan