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Chemistry
Why is it that copper (II) sulfate with barium hydroxide --> copper hydroxide (solid) + barium sulfate (solid)? According to the solubility rules given to me by my professor, both are insoluble, and therefore should be labeled as solids. Is there something I'm missing here...

College Algebra
Find the equation of the horizontal line that passes through the point (3,5).

College Algebra
Find the equation of the vertical line that passes through the point (4,-9).

Physics (College)
A student rides her bicycle home from physics class to get her physics book and then heads back to class. It takes her 21.0 min to make the 12.8 km trip home and 13.0 min to get back to class. Calculate her average speed for the round-trip. Answer must be converted to km/h I ...

Math College 115
a cat is born (age 0) weighing 3.8 ounces and at 2 years of age the cat weighs 40.8 ounces. Write answerin slope-intercept form, w=b+ma, in temrs of weight,w, and age,a.

geography
this is pre-a level work before i start college 500 words explaining why globalization is an important and relevant topic for geographers to study? - include events in the news at the moment to support your argument. thank you

math
8 janitors can clean the college grounds in 3 hours. how long will it take 6 janitors to clean the college grounds?

College Algebra
You spend $1000 on a computer and for tax purposes chose to depreciate it (or assume it decreases in value) to $0 at a constant rate over a 4-year period. a) calculate the rate of chage of the assumed value of the equipment over 4 years. The rate of change is 250 d)domain:____...

stat
A college basketball player scored the following points in the 37 games he played his senior year: Stem-and-leaf of points n = 37 Leaf Unit = 1.0 1|33 1|66 2|1233444 2|5555666789 3|0222233444 3|89 4|23 4|7 5|2 The first quartile of his point totals is ____________ points

Math College 115
You spend $1000 on a computer and for tax purposes chose to depreciate it (or assume it decreases in value) to $0 at a constant rate over a 4-year period. a) calculate the rate of chage of the assumed value of the equipment over 4 years. The rate of change is____ b) create a ...

Math College 115
A hiker can walk 2 miles in 43 minutes. What is his average speed in miles per hour? Round your answer to two decimal places. The hiker's average speed is ___ miles per hour. What formula can be used to find the distance travel, d, in miles in t hours?

Math College 115
Create a formula for converting degress centigrade, C, to degrees Fahrenheit, F, if for every increase of 5 degrees centigrade the Fahrenheit temperature increased by 9 degrees, with an initial point of (C,F)= (0,32) Enter the exact answer. F=_________

College Physics
At what voltage would a 9 μF capacitor have the energy to lift 3 grams by 1 cm? i understand i need the0.5CV^2 equation however I don't know how to answer this

College Algebra
Solve for elimination method,substitution method and cramer's rule for 8x - 4y + 2z =16

College Algebra
8x - 4y + 2z=16 for elimanation method,substitution method and cramer's rule?

College math
Determine the balance of $10,000 is invested at an APR of 9% compounded monthly for seven years.

Math College 115
According to a 2010 Kaiser Family Foundation report, during 2009 spent almost every waking hour outside of school using electronic devices such as iPhones, computers, or televisions. Those aged 8 to 18 spent an average seven and a half hours a day in 2009 versus six and a half...

College Math
Ted stops by a club every Friday night and spends $50. He also spends $350 each month on groceries. Ted's spending at the club is what percentage of his groceries expenses. Assume that 4 Friday's per month.

Social Studies check my answers
1 which activity is part of civic rather than privite life? enjoying a dog park taking a college course volunteering at a shelter**** spending time with friends

college algebra
Use the associative law of addition to write an equivalent expression for (x+2)+y

basic college mathematics
A basketball player made 11 free throws out of 12 during a game.what fraction of free throws did the player make?

statistics
in a certain college 33% of the physics majors belong to ethnic minorities. if 8 students are selected at random from the physics majors what is the probability that more than 5 belong to an ethnic minority

Urgent Math
Growing up,you lived in a village. When you left for college, the population was 840. You recently heard that the population has grown by 5%. What is the percent population?

math
according to a college survery, 22% of all students work full time. find the mean for the number of students who work full time in samples of 16. round to the nearest tenth how do we do this on a TI84 calculator

Science college question
An object is placed 3cm in front of a convex mirror whose focal length is 12cm where is the image formed and what is it's nature

college physics
A student observes 30 waves traveling down a string in a lab experiment. It takes 10 seconds for the waves to all go by. What is the frequency of the waves (in Hz)?

College physics
Please help me... I have no idea where to begin...A tone of 4000 Hz is being played on a tuning fork. You run toward the tuning fork at 5 m/s. What frequency do you hear? Take the speed of sound to be 343 m/s.

ststistics
24% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit cards because...

statistics
2424​% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit ...

Ap govt.
Please check my answers and help me with those that are wrong. Which of the following forms of government most clearly bases power on the consent of the governed? A. aristocracy B. totalitarian regime C. Oligarchy D. Anarchy E. Republic I put A All of the following are factors...

College Chem.
A scientist adds 1.00 moles of phosphoric acid to a liter of water to make a solution. How many moles of NaOH should be added to ensure that the concentration of H2PO4- is equal to three times the concentration of HPO42? Remember that H3PO4 is a triprotic acid. I don't even ...

college physics
Suppose an aeroplane is moving in the north direction and magnetic field is into the paper .Which part of aeroplane will b positively charged? A-its head B-its left wing C-its tail D- its right wing

PICOT Question
I would like to to research on Concussions in College Football Players but am having trouble trying to use the PICOT to formulate a question. This is what I have so far: In college football athletes with concussions does current treatments and management compared to past ...

financial management
For a tuition of 20,000 now, how much will i need to save if my child is 5yrs now and will go to college for 4 yrs in the 13 yrs?

College Algebra
I am asked to write a logarithmic expresion as a single logarithm with coefficient 1 and simplify as much as possible. The equation is: 4logbase5Y-3logbase5X+1/2logbase5Z. Could some please help me I am not understanding this whole Logarithm thing.

college chemistry
prepare 0.2M phospate buffer of pH 5.7

RIFT VALLEY UNIVERSITY COLLEGE
explain the prove the profit maximization of the consumer mu=p, according to cardinalist

college algebra
A study found that athletes who rested after exhausting exercise had half life of lactic acid removal about 23 minutes. How long would it take to remove 90% of the lactic acid?

College Intro To Geography
Discuss the ways in which geographers employ the ideas of distance, accessibility, and connectivity to describe the process of spatial interaction. The spatial interaction would be how people, or even animals, interact with each other. For instance how well do we connect with ...

college algebra
in a class of 30 students all of them are either female or smokers. while only 5 are female and smokers. if there are 12 male smokers in the class, then how many female nonsmokers are in the class?

College Algebra II
The midpoint of the line segment from P1 to P2 is (-1,3) if P1 is (-5,2) what is P2

leadership development
1.Even though Mike is a great basketball player, he tries with just half effort on drills during practice. This is an example of A wasting talent B getting distracted C allowing others to set goals 2.Jim would like to get a summer internship, but his dad thinks he should work ...

Statistics
If is confirm that two thirds of the students of a college are females, calculate the probability that on entering the college, the first two students one meet are (i) the same gender (ii) different gender

math
If it is confirmed that, two thirds of the students of a COLLEGE are female, calculate the probability that on entering the college, the first two students one meet are; (i) The same gender (ii) Different gender

SOCIAL
during summer, the beach is crowded. the people who come to the beach, leave it dirty when they go. a small group of school and college students volunteer to clean the beach. how will they plan to carry out the activity. 1. no. of participants 2.materials to carry 3. time plan...

college Algebra
solving rational equation trying to figure out where i did wrong x/x-4 -4/x-5 = 4/x^2-9x +20 x/x-4 -4/x-5= 4/(x-4)(x-5) domain x not equal +- 4,5 x(x-4)(x-5)/x-4 - 4(x-4)(x-5)/x-5= 4(x-4)(x-5)/(x-4)(x-5) x(x-5)-4(x-4)=4 x^2-5x-4x+16=4 x^2-9x+16=4 x^2-9x+16-4=4 x^2-9x+16-4=0 x^...

college Algebra
James drove the 24 miles to two and back in hour. On the return trip, he was able to average 20 miles per hour faster than he averaged on the trip to town. what was his average speed on the trip to town?

college Algebra
solving rational equation trying to figure out where i did wrong x/x-4 -4/x-5 = 4/x^2-9x +20 x/x-4 -4/x-5= 4/(x-4)(x-5) domain x not equal +- 4,5 x(x-4)(x-5)/x-4 - 4(x-4)(x-5)/x-5= 4(x-4)(x-5)/(x-4)(x-5) x(x-5)-4(x-4)=4 x^2-5x-4x+16=4 x^2-9x+16=4 x^2-9x+16-4=4 x^2-9x+16-4=0 x^...

advanced alh
The number of hours that college students sleep on a week night is approximated by a normal curve with a mean of 7 hours and a standard deviation of 1.7 hours. Answer the question below using a z table: About what proportion of students sleep less than 5 hours on a week night...

College algebra
One health club charges a monthly fee of $100 and an extra $5 for every visit. Another health club charges $103 per month and $4 for every visit. How many visits in a month would make the cost of each health club equal? Suppose x is the number of visits per month. Fill in the ...

College Algebra/Drug Calculations
Good afternoon. I was given a large packet to practice some math to prepare me for drug calculations. For some reason, I cannot get the answer to this fraction. I've tried a few ways, but maybe I forgot a step or am overlooking some silly mistake... 5/6 x 2/3 The answer is 5/9...

math
Growing up you lived in a country village. When you left for college, the population was 840. You recently heard that the population has grown by 5%. What is the present population?

College Algebra
"Solve each equation. Round your answers to the nearest ten-thousandth." (These are my directions) Here is the equation: 3^n + 9 = 69 How do I solve this getting the answer asked for?

English
Anyone who has read I want to be Miss America The sisters were being groomed to be dutiful daughters and wives enter beauty contests*** got to college start jobs right after high school What effect does the "ethnic look" in American fashion have on the author She feels ...

College Algebra math
A plane flies due east for 35 miles and then due south until it is 37 miles from its starting point. How far south did the plane fly?

Governmental and Not-for-profit Accounting
public colleges and universities are treated as component units of their respective primary governments (cities or states).what is the criteria under GASB Statement No. 14 for a public college or university to be excluded

College Algebra
Randall wants to mix 41 lb of nuts worth ​$2 per lb with some nuts worth ​$8 per lb to make a mixture worth ​$7 per lb. How many pounds of ​$8 nuts must he​ use?

History
Match the following items. ① electors ② excise tax ③ Anti Federalist ④ republic ⑤ electoral college Ⓐ somebody who opposed the Constitution of the United States and the idea of a strong national government Ⓑ the group of people chosen ...

Pre-Calc College
Two 5-grain aspirin tablets contain 650 mg of the drug. With aspirins half-life of 29 minutes, how much is left in the bloodstream after 2 hours? How long does it take for the level to be equivalent to 10 mg of aspirin? If an individual takes two tablets every 4 hours, what is...

Pre-Calc College
Two 5-grain aspirin tablets contain 650 mg of the drug. With aspirin's half-life of 29 minutes, how much is left in the bloodstream after 2 hours? How long does it take for the level to be equivalent to 10 mg of aspirin? If an individual takes two tablets every 4 hours, what ...

college chemistry
If the temperature of argon gas is 400 K and the average velocity of argon is twice that of radon what is the temperature of radon gas?

College Physics (need help asap)
a delivery truck is 5km away from a car. The two started at the same time and headed towards the same direction. the delivery truck accelerates at 3m/s^2. If the car should overtake the truck in ten minutes, what should be the acceleration of the car?

College Pre-Calc
a.)Determine the location of the turning points for the cubic y=x^3-3x^2+2x+10. What are the maximum and minimum values for this function? b.)Use the fact that a cubic is symmetric about its point of inflection to determine the location of the point of inflection of the cubic ...

Statistics Homework
Statistics Question: Years to Earn Bachelor's Degree Years to Earn Bachelor's Degree: Listed below are the lengths of time (in years) it took for a random sample of college students to earn bachelor's degrees (based on data from the National Center for Education Statistics). ...

College Physics
A car moving at constant velocity of 14 m/s passes a gasoline station. two seconds later, another car leaves the gasoline station and accelerates at the constant rate of 2m/s^2. How soon will the second car overtake the first?

College Physics
a delivery truck is 5km away from a car. The two started at the same time and headed towards the same direction. the delivery truck accelerates at 3m/s^2. If the car should overtake the truck in ten minutes, what should be the acceleration of the car?

Simple College Question
1.)Do you have to attend college in order to join the Army Or Navy? I truly don't know what I wanna be when I grow up so I've been thinking about join the Army Or Navy once I turn 19 or 18, & I was wondering Do I have to attend a college 1st before I can Join the Navy or Army...

Statistics
Years to Earn Bachelor’s Degree: Listed below are the lengths of time ( in years) it took for a random sample of college students to earn bachelor’s degrees ( based on data from the U. S. National Center for Education Statistics). Based on these results, does it appear ...

college mathematics
b. Larry and Michael scored a total of 48 points in the basketball game. If Michael scored twice the number of points Larry did, how many points did Larry score?

college mathematics
Write each phrase as a variable expression: The difference of twenty and a number.

Science
A student goes to college,driving his car at 20 km per hour. He returns though same route ,driving at 40 km per hour . Find average speed during entire journey

college algebra
QUESTION 21 Condense the expression to the logarithm of a single quantity. ln310 + ln3x ln3(10 - x) ln310/x ln3(10 + x) ln310x ln310x

college algebra
QUESTION 25 The populations (in thousands) of Pittsburgh, Pennsylvania from 2000 through 2007 can be modele by where t represents the year, with t = 0 corresponding to 2000. Use the model to find the population in the year 2001. 2,418,774 2,419,774 2,421,774 2,420,774 2,422,774

college algebra
QUESTION 14 The game commission introduces 100 deer into newly acquired state game lands. The population N of the herd is modeled by where t is the time in years. Find the populations when t=40. (Round your answer to the nearest whole number.) 1,442 deer 1,632 deer 1,594 deer ...

SA College
John starts out in the basement parking garage, 11m below street level. He climbs all the steps to the roof of the building and is now 72m above street level. how many metres has he climbed? Mary join John at the third strey.Each story is 3m high. She accompanies Johnto the ...

College Math
James bought 24 bolts at the hardware store for a total of $9.00. Some were 3−inch bolts that cost 36 cents each and the others were 4−inch bolts that cost 42 cents each. How many 3−inch bolts did James buy?

Statistics
The probability that Samantha will be accepted by the college of her choice and obtain a scholarship is 0.35. If the probability that she is accepted by the college is 0.65, find the probability that she will obtain a scholarship given that she is accepted by the college.

math
If the mean wage of a part time lecturer in a college is 250.00 per month and standard deviation of 25.00.find these probabilities for a randomly selected lecturer,assuming the variable is normally distributed, a.the lecturer earns more than 280.00. b.the lecturer earns more ...

Math
Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C. Skewed right with ...

Math
Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C. Skewed right with ...

College Algebra
what is the equation involving sine that models a periodic function with an amplitude of 2, a period of 2ð/3, and a horizontal shift of 3.5 units?

college algebra
a candy company has 130 pounds of cashews and 170 pounds of peanuts which they combine into different mixes good luck stats has half cash and half peanuts and sells for $7 a pound become a mix has one third cashews and two thirds peanuts and sells for 5.40 a pound how many ...

Math
Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C. Skewed right with ...

Math
Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C. Skewed right with ...

Science - Northern technical college
An electric train starting from rest is uniformly accelerated in a distance of 40m to a velocity of 10m/s, for this journey. (I).Calculate the time taken by the train. (II). The acceleration of the train.

College Algebra
Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice it. Thank you in ...

College Algebra/pre-calculus
The question is to evaluate each logarithm: My professor wants us to show work. Could you please tell me if I'm on the right track? Thank you!!! 1. log6^(1/36)= -2 2. ln(1/e^4)= 1/e^2 3. log7^1= 0 4. log4^64= ln64/ln4= 3 5. log10^8= ln8/ln10= .9031 6. log3^(radical 3)= I wasn'...

College Algebra Help?!
If a customer purchases a new stereo system during the spring sale, he may choose any 4 CDs from 20 classical and 32 jazz selections. In how many ways can the customer choose 2 of each?

college mathematics
Determine whether each pair of triangles is congruent. b. Triangle 1: angle 53 , side 28 meters, and angle 37 Triangle 2: angle 53 , side 28 meters, and angle 37

college mathematics
Determine whether each pair of triangles is congruent. a. Triangle 1: sides 8 inches, 11 inches, and 14 inches Triangle 2: sides 11 inches , 14 inches, and 8 inches

College Algebra (pt.3)
Alright, this is a bonus question on my homework. I think I did it wrong... How long will it take for an investment of $1000 to grow to $1750 if interest is compounded continuously at a rate of 8%? Round to the nearest tenth. A=Pe^rt $1750=$1083.38 divided ans= 1.62

College Algebra (pt.2)
Hey, I would love if someone could please look over my answers. I just learned this yesterday and want to make sure I did my hw correct. Thanks!!! Solve for x. Round answers to four decimal places where appropriate: 6. ln(5x-3)=0 ans= x=3/5 7. log5^x=3 ans= x^3=5 8. log2^32=x ...

College Algebra
Hey, I would love if someone could please look over my answers. I just learned this yesterday and want to make sure I did my hw correct. Thanks!!! Solve for x. Round answers to four decimal places where appropriate: 1. 6^x=6^2x-1 Ans.= x=1 2. 3^x=1/27 Ans.= x=-9 3. e^3x=10 Ans...

college mathematics
e. Find the volume of a sphere with a radius of 8 meters. please show work.

college mathematics
d. Find the volume of a rectangular box that measures 6 inches by 4 inches by 2 inches.

Math/ELA
What can I do now as a 7th grader to prepare and save for college

Emergency Easy QUESTION
1.)Can being in low classes in high school affect you in college? If so then please explain because I'm worried.

College Algebra
A 15-g sample of radioactive iodine decays in such a way that the mass remaining after t days is given by m(t) = 15e−0.051t, where m(t) is measured in grams. After how many days is there only 1 g remaining?

Writing Sentences and Paragraphs
As an individual with experience performing office clerical duties and educated as a Library Technician, I am excited to apply for the position of Data Entry Clerk as advertised on the DC Comics website. I consider that my experience and skills match ver well with your ...

American History
The results of the 2000 presidential election were difficult to determine because of A,Ralph Nader’s third-party candidacy b.both candidates being baby boomers c.voting irregularities in the state of Florida D.he Electoral College votes being evenly split. my answer is C is ...

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