Questions Asked on
August 3, 2013

Analytical chemistry
The iron in a 0.6656 g ore sample was reduced quantitatively to the +2 state and then titrated with 26.753 g of KMnO4 solution. Calculate the percent Fe2O3 in the sample. the mass i get for fe2o3 is too big, but i don't know how else to do this problem,
asked by Gloria 
Analytical chemistry
Below i wrote a few problems, i did them all but in the book i don't have results, so i don't know if i did them right or not. I would really appreciate if someone would go through the problems and tell me if i got the right results. If i made a mistake
asked by Gloria 
science
why do you think only solar cells and not dry cells or automobile batteries are used in satellites?
asked by jagat 
Maths Calculus
a sheet of cardboard is to be folded up to make a closed box. If the cardboard measures 55 cm by 80cm calculate the maximum volume of the box that can be made from this sheet of cardboard
asked by Daksh 
Math
Stillwater hospital is borrowing $1,000,000 for its medical office building. The annual interest rate is 5 percent. What will be the equal annual payments on the loan if the length of the loan is four years and payments occurs at the end of each year?
asked by April 
college
Regarding the punctuation of quotations, which of the following sentences is correct?
asked by ok 
Discrete Mathematics
Consider the complete graph with 5 vertices, denoted by K5. A. Draw the graph. B. How many edges are in K5? How many edges are in Kn? C. Find an isomorphic representation (graph) of K5. Give the isomorphism mappings. D. Does K5 contain Eulerian circuits?
asked by Joy 
physics
1. A 100 lb body is pulled up an inclined plane making an angle of 37 degrees with the horizontal by the rope that passes over the pulley at the top of the plane and is fastened to a 70lb. weight. Neglecting the effect of friction, find the acceleration of
asked by pao 
Math
In the future value annuity table at any interest rate for one year, why is the future value interest factor of this annuity equal to 1.00?
asked by April 
Stats
A statistical test is performed, and its Pvalue turns out to be about 3%. Which of the following must be true? Pick all that are correct. a) The null hypothesis is true. b)There is about a 3% chance that the null hypothesis is true. c) The alternative
asked by Helen 
Stats
In a simple random sample of 1000 people taken from City A, 13% are senior citizens. In an independent simple random sample of 600 people taken from City B, 17% are senior citizens. Is the percent of senior citizens different in the two cities? Or is this
asked by Helen 
science
the incandescent bulb is hot to touch when it has been switched on for a while .why
asked by jagat 
Math Geometry
Four circles of unit radius are drawn with centers (1,0), (1,0), (0,1), and (0,1). A circle with radius 2 is drawn with the origin as its center. What is the area of all points which are contained in an odd number of these 5 circles? (Express your answer
asked by 3.1415926... 
Math
Boulder City Hospital has just been informed that a private donor is willing to contribute $10 million per year at the beginning of each year for fifteen years. What current dollar value of this contribution if the discount rate is 14 percent?
asked by April 
Math
Compare the results of the present value of a $6,000 ordinary annuity at 10 percent interest for ten years with the present value of a $6,000 annuity due at 10 percent interest for eleven years. Explain the difference.
asked by April 
Physics Normal force
When an object exerts a normal force on a surface, the force is My answer is perpendicular to the surface. Am i correct?
asked by xavier 
Microtomy
I need to infiltrate a sample block of wood for sectioning on a microtome. The formula for the infiltrating media is 70% Ethylene Glycol 1500 and 30% Lauric acid. Both components are in a powder form. The instructions don't indicate whether this is
asked by Ed 
Math
Boulder City Hospital has just been informed that a private donor is willing to contribute $10 million per year at the beginning of each year for fifteen years. What current dollar value of this contribution if the discount rate is 14 percent?
asked by April 
physics
a man stand on the top of the building 490 m above the ground.he throws a stone horizontally with speed15 m/s.find the time taken by the stone to reach the ground &the speed with which it hits the ground
asked by harsha ojha 
math
The sum of second term and fourth term of G.P is 30 and difference between sixth term and second term is 90,how to find third term
asked by suma 
Algebra 1
9 less than the product of 7 squared and a number is 6
asked by Sean 
natural product 2
: Chloral hydrate solution is prepared by dissolving ____gms of solid chloral hydrate in 20ml water
asked by ravi avaiya 
life orientation
provide recommendation on how to address poverty?
asked by gift 
math
How many 5digit even numbers can be made using the digits 2, 4, 6, 7, and 8, if digits cannot be repeated?
asked by vincent 
bio 152
Describe a series of small habitats that exist within 10 or 20 kilometers of your house and which might be subject to MacArthur and Wilson’s theory of island biogeography.
asked by abdul 
math
The fraction 5Y3X/2Y8, in which x and Y stand for two unknown digits, represents a division which results in a quotient that is a whole number. Which of the following is (are) true? 1. X may equal 2. 11. X may equal 6 or 0. 111. X may equal 4. not just and
asked by vincent 
Math
How should the future value equation be modified if compounding occurs more frequently than annually?
asked by April 
programming concepts
Write a menu driven program using a conditional structure.
asked by Anonymous 
Math
Lincoln Memorial hospital has just been informed that private donor is willing to contribute $5 million per year at the beginning of each year for fifteen years. What is the current dollar value of this contribution if the discount rate is 9 percent?
asked by April 
maths
solve the following equation by completing square x(square) + 5x  84 Pls show steps x= or x=
asked by Jayden Haddy 
math
The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is (A) 160 (B) 163 (C) 260 (D) 272 (E) 408 not just answer, please tell me how to do it
asked by vincent 
maths
solve the following equation by completing the square x(square)  4(square root 5)x =6 = 0 Then x= or x=
asked by Jayden Haddy 
Discrete Mathematics
Sort with Insertion Sort and Selection Sort algorithms the following list: 329, 364, 373, 334, 320 Give the intermediate lists at each step.
asked by Joy 
Discrete Mathematics
Let G be a graph with vertex set V = {v1, v2, v3, v4, v5}. A. Is it possible for the degrees of the vertices to be 3, 6, 2, 1, 5, respectively? Why or why not? B. If the degrees of the vertices are 1, 2, 3, 4, 6, respectively, how many edges are in G? C.
asked by Joy 
Percy Jackson:Lightning Theif
I have to print some pictures about or from the book "Lightning Theif" Does anyone know some pictures? *It cannot be from the movie.
asked by Ericka 
science
why do we use symbols to draw circuit diagrams?
asked by jagat 
science
do you think the current flowing through every portion is same in a circuit?
asked by jagat 
math
if 8 men can do a job in days, what is the percentage increase in number of days required to do the job when 2 men are released? not just an answer please. A.16 2/3% B.25% C. 33 1/3% D.40% E.48%
asked by vincent 
math
If in the number 4315 the digits representing tens and thousands were interchanged, the value of the new number formed in relation to the original number would be... explain it out please A.unchanged B.280 more C.280 less D.2970 more E.2970 less
asked by vincent 
Computer Science
Which abstract function(s) should be used to design: A function that consumes a non empty list of images and produces the image with the smallest area. If the function passed to the builtin abstract function is a closure, check the "use a closure" option.
asked by Anonymous 
maths
solve the equation express the answers in p and q x(square)  (p+q)x + (p+1)(q1)=0 Then x=? or x=?
asked by Jayden Haddy 
ctu math
calculate the interest charge on a $5.000 balance with the visa student card annual interest rate of 10.8%
asked by simone 
human resources
What is the difference between executive pay and non executive pay and controversies are associated with the disparity between them?
asked by becca 
adolescents and other problems
the notion that much behaviour is internal has been specifically championed by all the following except? a.freud b.pavlov c.skinner d.bandura my answer is a
asked by susue 
Health Care
I cannot figure out the GAAP and the relevance of each GAAP that is being used to create the financial plan for PattonFuller Hospital. I did complete the following budget projections necessary to help answer the question PattonFuller Community Hospital
asked by Linda 
Finite Math
True or false. P (n, r) = r! C (n, r). explain why please, thanks
asked by Keith 
English
D. Secondary Research
asked by Anonymous 
Finite Math
True or false. [A ¿ (B ¾ C)]c = (A ¿ B)c ¿ (A ¿ C)c
asked by keith 
math
Find the vertex angle of an isosceles triangle if it exceeds each base angle by 30 degree.
asked by vincent 
math
To obtain a final average of 80 % in a certain subject, what grade must a student earn in a test after having an average of 77.5 % in four examinations ?
asked by vincent 
maths
solve the following equation by completing the square x(square) 13x + 21 = 0 Then x= or x=
asked by Jayden Haddy 
Discrete Mathematics
Using Fleury's Algorithm in the graph to the bottom left, I deleted three edges and I got the graph to the bottom right. If I am currently at the starred vertex, list all possibilities for the edge I should travel next.
asked by Joy 
math
if you have 4350 gallons of 80 degree water and add 60 gallons of 125 degree water how warm would the water temp get.
asked by ja cle 
Computer Science Java
Alright I have these strings String domain1 = ". com"; String domain2 = ". edu"; String domain3 = ". org"; I want to make sure that when the user puts in their username (their email) that the domain will be the last four characters. How do I get this to
asked by Joel Borja 
math
If digits cannot be repeated, how many fourdigit numbers can be made using the digits 1, 3, 5,7, and 9 ?
asked by vincent 
math
which of the following sets is a subset of A? A:5,25,15,10,20,30 not just and answer A.5,15,60 B.10,20,50 C.5,10,20 D.15,30,60 well i got the answer C
asked by vincent 
math
x + 2y = 1 1/3 +x  y =+1/3 3y = ? not just and answer A.0 B. 1/3 C.1/3 D.1 E.1 2/3
asked by vincent 
Child Care
Increasing numbers of communities are addressing the need for outofschool care due to the relationship between A. teen pregnancy and inadequate care of infants. B. inadequate supervision of teens and teen pregnancy. C. working mothers and juvenile
asked by Brenna