Questions Asked on
May 31, 2015

Chemistry
20.00mL of a 1.100x 10^4 mol/L Pb(NO3)2 is mixed with 80.00mL of 4.45010^2 mol/L CaI2. Will a precipitate form? for the Ksp i got 2.7x10^8 and im not sure if its right or not this is what i did [Pb2+] = (1.1x10^4 mol/L x 0.02L)/(0.02L + 0.08L) =
asked by Rez 
Maths
Colin paid $4 for 4 buns and 4 cakes. 3 buns cost as many as 2 cakes.What was the total cost of 5 buns and 5 cakes? (My teacher gave this to my class as a brainteaser. I'm Australian and I'm nowhere near the smartest in my class. My homework is due in 6
asked by Olivia :) 
Math
The surface area of this hemisphere is 1062 cm^2. what is its radius? please help me calculate this step by step
asked by Albert Einstein 
geometry
Name a point that is between 50 and 60 units away from (7,2) and state the distance between the two points.
asked by Mark 
physics
If the relative density of a metal is 19. What will be the mass of 20cm of the metal when immersed in water RD=19 Mass=20cm³
asked by Eniola 
Calculus
A(x) = x^2 + 128/x find A'(x) and A"(x)
asked by Anonymous 
Econ
You are the manager of a firm that receives revenues of $40,000 per year from product X and $90,000 per year from product Y. The own price elasticity of demand for product X is 1.5, and the crossprice elasticity of demand between product Y and X is 1.8.
asked by anonymous 
Maths literacy,geograph,tourism,consumer studies
I choose that subject what a good job im i going to get
asked by Sithole humbulani 
math
find a and b for the following: 1).(root of 2+root of 3 / 3 root of 2  2 root of 3) = a+b root of 6 2). {(root of 5  2/root of 5+2)(root of 5+2/root of 5  2)} = a+b root of 5
asked by vikash goyal 
math
find two irrational numbers lying between root of 2 and root of 3
asked by vikash goyal 
Economics
What is the South African government providing and to whom?
asked by Thandokazi 
Economics
What are costs and consequences of providing the subsidies and welfare?
asked by Thandokazi 
English
African slaughter rituals should be allowed in surburbs.why?
asked by Mazwi 
Life Orientation
Core functions of the media
asked by Lindokuhle 
English
Traditional africa marriage is an advantage for men.not women
asked by Mazwi 
chem
Enter the symbol of the element which would have 2 electrons and 1 charge.
asked by idk 
mechanics of dynamic
A thief escapes and boarded on a truck and traveled at a constant speed of 55kph. Two hours later after the truck left , a policeman pursued the truck at a constant speed of 80kph. How long it did take the policeman to catch up the thief ?
asked by von gwapo 
nuclear chemistry
determine the nuclear binding energy for Ir187. Atomic mass of Ir187=187.958830 g/mol (per nucleon) dE=dmc(^2) mass of proton= 1.00728 amu mass of neutron=1.00866 amu
asked by Anonymous 
nuclear chemistry
determine the nuclear binding energy for Ir187. Atomic mass of Ir187=187.958830 g/mol (per nucleon) dE=dmc(^2) mass of proton= 1.00728 amu mass of neutron=1.00866 amu
asked by Anonymous 
precal
convert from rectangular coordinates to polar coordinates x=y
asked by Anonymous 
nuclear chemistry
Determine the nuclear binding energy for Pd101. atomic mass of Pd101=100.908287 g/mol.
asked by Anonymous 
Design & Technology
What are the social and moral issues with puppets for children? (Pro's and Con's)
asked by Hifza 
Algebra 1
A right triangle has 1 leg that is 2" longer than the other leg. the length of the hypotenuse is sqrt 130" Find lengths of legs 0=2x^+4x126
asked by William 
life orientation
what are five interview guestion must be used to evaluate the understanding of service delivery protests by the learners in schools
asked by mahlatse 
math
What is the solution to the following equation? 3x(x4)+5=12
asked by charlie 
geometry
One endpoint of a line segment is (8, −1). The point (5, −2) is onethird of the way from that endpoint to the other endpoint. Find the other endpoint.
asked by Mark 
Algebra II
Can you please let me know if I solved the following equation correctly? 1 + 5(n8) = 2  (n +5) 1 + 5n  40 = 2  n  5 39 + 5n = 3  n 6n = 36 n = 6 Thank you very much!
asked by Linda 
Civics ASAP PLZ =:)
What is one advantage the United States has over Canada for maintaining a diversified economy? The U.S. has a greater gold resource The U.S. has a greater labor resource The U.S. has a greater per capita of fresh water The U.S. has a greater land
asked by Anonymous 
algebra1 question
The width, w, of a rectangular playground is x + 3. The area of the garden is x^3  7x + 6. What is an expression for the length of the playground? a.) x^2  3x + 2 b.) x^2 + 3x  2 c.) x^2 + 3x + 2 d.) x^2  3x  2 Is it b???
asked by SkatingDJ 
Digital Circuits
which is the primary purpose of a resistor in series with a led being driven by a flipflop a. Limit voltage b. Limit current c. Limit speed d. Limit power
asked by Makaila 
Agricultural Science,Business Studies,History,Life Orientation.
I do the following subjects:Agricultural Science,Business Studies,History,Life Orientation and Two Languages.And Im wondering What kind of A Job can I get and which college/university can Go to? .. Please Help
asked by Ezethu Sizani 
Life Orientation
Define service delivery protests
asked by Malatji Patricia 
pennfoster
Mary Palm's checking account had a starting balance of $785.63. She wrote a check for $57.00 for groceries and a check for $125.00 for a car payment. Yesterday she deposited $57.25 in her checking account. What is Mary's current balance
asked by djjj 
chemistry
What mass of copper will be deposited by a current of 7.89?
asked by solomon 
algebra1 question
Multiply. (k+3)/(4k2)*(12k^2+2k4) a. 3(k+3)/3k+2 b. 3(k+3)(2k1)/2 c. (k+3)(3k+2)*** d. (3k+1)(2k+3) Please help? Thanks
asked by SkatingDJ 
Physics
The mass of a stone is 15.0g when completely immersed in water and 10.0 when completely immersed in a liquid of relative density 2.0 what is the mass of the stone in air.
asked by Inioluwa 
English
Which of the following is not a type of sentence? A. Compoundcomplex B. Simple C. Complex D. Simplecompound My answer is D
asked by debbie 
Physics
If the relative density of a metal is 19 what will be the mass of the metal when immersed in water.
asked by Inioluwa 
Physics
If the relative density of a metal is 19 what will be the mass of 20cm^3 of the metal when immersed in water.
asked by Inioluwa 
English
Which of the following sentences shows an example of parallel verbs? A. Once the game was over, Jim had to run home and then eat his dinner. B. Once the game was over, Jim had to run home and dinner was ready. C. Once the game was over, Jim had to be
asked by debbie 
English
Which of the following sentences contains a redundancy? A. Chris had trouble working up even mild enthusiasm for Mike's plan. B. Steve admired the partially completed stadium. C. Emily's sister gave birth to a pair of twins. D. At no time did Tony indicate
asked by debbie 
English
In which sentence does the italicized word have a negative connotation? A. Jack, who is the most outspoken member of the group, led the opposition to the new rule. B. Jenna's green eyes and dark eyelashes gave her an exotic look. C. Matthew was a
asked by debbie 
Math (Statistics)
Without calculating values of z, tell which of these sample means will have the most extreme standardized score and which will have the least extreme standardized score. 40, 30, 25, 20.
asked by Debbie 
English
In which sentence does the italicized word have a negative connotation? A. Jack, who is the most outspoken member of the group, led the opposition to the new rule. B. Jenna's green eyes and dark eyelashes gave her an exotic look. C. Matthew was a
asked by debbie 
English
Which of the following sentences contains a redundancy? A. Chris had trouble working up even mild enthusiasm for Mike's plan. B. Steve admired the partially completed stadium. C. Emily's sister gave birth to a pair of twins. D. At no time did Tony indicate
asked by debbie 
English
Which sentence should be edited to eliminate its cliché? A. The texture of the burlap was a cross between woven straw and a threeday beard. B. The family was immensely relieved when GreatAunt Martha's condition progressed from "critical" to "it looks
asked by debbie 
English
Which of the following is a simple sentence? A. Karen and David arrived at the airport at 3:35 P.M. and took a taxi to their hotel. B. When I realized I was too late, I called David's cell phone and made arrangements to meet them in town. C. I got to the
asked by debbie 
English
Which of the following sentences uses concrete language? A. Jerry saw that the glass was really dirty. B. I met Cathy at a store on a street near the bridge. C. Danny's Labrador retriever eagerly chases tennis balls. D. When I saw Susan, she was reading a
asked by debbie 
economic s
are there any welfare or subsidy payments that should be reviewed
asked by eddy 
History
1.What was one thing President Nixon did in an attempt to improve relations with the Soviet Union? A. established relations with China
asked by Gigi 
Math
Hello! Could someone please take a look at the problem below and let me know if I made mistakes in simplifying the given equation? I'm quite certain that I did make a mistake somewhere because the original equation and its simplified form give different
asked by Constantine 
Civics ASAP PLZ =:)
Fiscal conservatism is the belief that government should not have large debts, and that government programs should not be paid for on borrowed money. How could both Democrats and Republicans be considered fiscally conservative? Republicans  spending money
asked by Anonymous 
math
What number is the sum of 8 numbers whose average is 13
asked by lily 
Math
What is the maximum volume of a cone that would fit in the box with h=3cm, l=6cm, and w=3cm? how do i do this step by step
asked by Albert Einstein 
english ASAP
which excerpt from the play best supports the answer to the previous question? a)"more than eighteen hundred... a tremendous family to provide for!" b)"these children are his? on his meager earning! what foolishness!" c) Do you mean crochet, spirit? do u
asked by Anonymous 
english
what is the prepositional phrase in this sentence the bird flew directly over our heads. a)flew b)over C)heads d)our is b right??? @ms.sue
asked by Anonymous 
english
what is the prepositional phrase in the sentence? the family drove to the store. A)the family drove b)drove to the store c)the family d) to the store
asked by Anonymous 
Chemistry
Tap water that contains Cl− at a concentration of 50 ppm is used to prepare a 0.100 mol/L AgNO3 solution. Does a precipitate form? How much? I don't know how to find out how much precipitate will form but a precipitate will form based on my calculations
asked by Rez 
programming logic and design
need help on creating a logic for a program that accepts input values for the projected cost of a vacation and the number of months until vacation
asked by benita 
Trigonometry
In a parking garage, there are 20 feet between each level. Each ramp to a level is 130 feet long. Find the measure of the angle of elevation.
asked by Cindy 
Logs
log (sqrt4(x^16 / y^4)) What is the value of the expression when logx=8 and logy=1? My work: x=10^8 y=10 I tried to plug these in but my calculator but it said "overflow." Is there an easier way to do this?
asked by Selena 
Math
A hot air balloon with a height of 120m is directly over a bridge that is 313m from the balloon's landing point. The navigator finds the angle of depression to the landing point. Find the angle of depression.
asked by Shawn 
English
what purpose for reading do the stage directions suggest to readers? to learn about a subject to be inspired to be entertained to gain understanding i think its the last one, or the first, pls check
asked by Anonymous 
Math
you have 1/2 of a brownie. You eat 3/4 of what you have , what fraction of the brownie did you eat?
asked by Alisha 
Geography
Why is it important to Canada and Canadians about the senior citizens not receiving more attention from the Canada's health system.
asked by thi 
english
Ebenezer Scrooge's character changes between act 1 and 2, describe the change in scrooge's character (not multiple choice)
asked by Anonymous 
DISCRETE MATH
Let Z 5 be the relation of congruence modulo5. If 1 ≤ m, n ≤ 5,we define the product of two classes as [m][n] = [mn]. Explain why [3][4] = [2]. Thanks
asked by Anonymous 
DISCRETE MATH
Let Z 5 be the relation of congruence modulo5. If 1 ≤ m, n ≤ 5,we define the product of two classes as [m][n] = [mn]. Explain why [3][4] = [2]. I know 3 x 4 = 12. 5 mod 12 = 2. but i don't know how to explain it. Help with the explanation please.
asked by Anonymous 
Geography
Followed by the last question, How may the topic affect the lives of Canadians? I know one reason is that as people age, there will be less people receiving medical attention. What else can I add to make this sentence better?
asked by thi 
Math
This is a question regarding quadratic equations. I think I have to use the quadratic formula but I'm not sure and because the question provides the base I think I'm wrong. Here is the question: During a hurricane, parabolic waves on the ocean can exceed
asked by Brady 
Math
Christine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Christine $5.85 per pound, and type B coffee costs $4.40 per pound. This month, Christine made 174 pounds of the blend, for a total cost of $906.25. How
asked by John 
Language arts
What is one conflict that represents a cause and effect relationship in the story dragon wings.
asked by meows 
Sequences
Terms 1 through 5 of a sequence are shown below. 8/81 , 4/27 , 2/9 , 1/3 , 1/2 What is the 10th term in the sequence? I have no clue. I tried having common denominator of 81, but that just confused me more. I would try to show more work, but I really don't
asked by Anne 
Algebra
A plane has a cruising speed of 100 miles per hour when there is no wind. At this speed, the plane flew 600 miles with the wind in the same amount of time it flew 400 miles against the wind. Find the speed of the wind.
asked by Teneva 
geometry
ABCD it's an isosceles trapazoid With A(10,1),B(8,3), and C(1,3).find the coordinates of D
asked by kenzie 
physics
An inverted image is magnified by 2 when object is placed 22 cm in front of a concave mirror. Determine the image distance and focal length of the mirror.
asked by sakura 
LA
which of the following words best describes the overall mood at the novel? A)shocked but resolved b)angered and desperate c)traumatized but hopeful d)rejuvenated and restored** am i right?
asked by dragonwing L.A. 
Science
Which of the following is not a characteristic of natural selection? A. More offspring are born than will survive to reproduce. B. Mutations appear randomly. C. Breeding pairs are chosen by humans. D. Organisms that are better adapted are more likely to
asked by Zeana 
Math
The time required to finish a test in normally distributed with a mean of 40 minutes and a standard deviation of 8 minutes. What is the probability that a student chosen at random will finish the test between 24 and 48 minutes? 82% 2% 84% 16%
asked by Destiny 
Math
Suppose you have a mean standardized score of 1500 points with a standard deviation of 150 points. This data is normally distributed. What is the zscore of 1600 points? 0.75 0.5 0.67 0.32
asked by Destiny 
Chemistry
What is the difference between a square pyramidal and a trigonal bipyramidal? I know that the square has a square base and that trigonal bipyramidals have 5 atoms bonded to it but when I have questions that have 5 atoms bonded they end up being squares
asked by Asher 
Chemistry
NCl3, SiCl4, AsCl3, SCl2, PCl3 order them in terms of increasing bond polarity NCl3
asked by Asher 
8th grade math
A rubber ball loses 30% of its height each A rubber ball loses 30% of its height with each bounce How high is the first bounce if the ball is dropped from a height of 500 cm?
asked by Carlos 
algebra
the length of a rare jeweled rectangular prism has a length equal to its width and a height that is 5 cm greater than its width.volume of the prism is 72 cc a) write a polynomial equation that can be used to solve for the width (x) of the prism b) solve
asked by ricelys 
chemistry
if 15.95 g dissolves in 100ml of water what will be the solubility in g/ml expressed to the proper number of significant figures?/ 15.95/100 =.0595
asked by jojo 
Socials
How did Stalin suppress his people's individuality and control their personal and economic lives? I am having trouble researching his methods of control and how his people's lives were affected. I know he initiated a great massacre to terminate anyone who
asked by Jane 
algebra
Jason recently purchased a new truck for $34,750. The value of the truck decreases by 12% each year. how much could he sell the truck for in 7 years?(what would the value be?)
asked by ricelys 
alegra2
the number of wolf in yosemite park has increased at an annual rate of 10% since 2005 and there were 1.35 thousand at that time. a. write a function to model the number of wolves after t years. b. approximately how many years are now living in the
asked by amber 
Physics
A 5 ohm resistor a 15 ohm resistor and a unknown resistor, r, are connected as shown with a 15 volt source. The ammeter reads a current of 0.5 ampere. I got .1V by using ohm's law but I'm not sure if it's right
asked by Mika 
chemistry
what part of the meniscus must be read to accurately record the volume of a liquid in a graduated cylinder??? the lowest of the bubble?
asked by jojo 
Algebra II
Can someone please help me with PEMDAS? 4² + [15 ÷ 9  3(2)] if you do parentheses first then 15 ÷ 9 doesn't make sense. So I did, 16 + 15 ÷ 3 = 21 Thank you!!
asked by Linda 
chemistry
how many significant figures are in the measurement 0.002 ml? 2??
asked by jojo 
DISCRETE MATH
We have a relation R on Z+ defined as follows: mRn if and only if mn. a. Explain why the relation R is not a function. b. Determine the set A = {m ∈ ZmR52} and give its cardinality A. c. Determine the set B = {n ∈ Z52Rn}. d. Indicate whether A ∩
asked by Anonymous 
Chemistry
My Question is: Commercial vinegar usually has a concentration of 5%, per volume. Calculate the [H3O+], if the density of acetic acid is 1.051 g/mL. What I did was: mass = V * density mass = 0.05 * 1.051 = 0.05 g moles = grams/molar mass = 0.05/60.05 = 8.3
asked by Kibito 
chemistry
is the formation of an aqueous solution with water, a physical or chemical property? physical..... because the substance doesn't change.....
asked by jojo