edward
This page lists questions and answers that were posted by visitors named edward.
Questions
The following questions were asked by visitors named edward.
The following redox reaction occurs in basic aqueous solution. When balanced with the smallest whole number coefficients, what is the coefficient for OH-(aq)? Mn(OH)2(s) + MnO4-(aq) = MnO42-(aq). 1. ) 2 2. ) 3 3. ) 4 4. ) 6 5. ) 8 the answer i got was 6.....
15 years ago
The reaction between 0.0272 g of Mg with an excess of water was carried out in an ice calorimeter. The volume of water decreased by 0.19 mL during the reaction. a) Write the equation that occurs. Is it a redox? b) Calculate the enthalpy of reaction? i hav...
15 years ago
Freddie Fast can make 6 4/5 chairs per hour on a furniture assembly line. Warren Weary makes 4 1/2 chairs per hour. In a 10-hour shift, how many more chairs does freddie make than warren? and if i may i would also like a small explanatation please i just...
15 years ago
What is the realtionship between Reformation and European dominance in world markets?
15 years ago
A 2.0 m wire segment carrying a current of 0.60 A oriented parallel to a uniform magnetic field of 0.50 T experiences a force of what magnitude
14 years ago
A circular coil of 30 turns and radius 7 cm is placed with its plane oriented at 90 degrees to a magnetic field of 0.1 T. the fieldis now increased at a steady rate, reaching a value of 0.7 T after 5 seconds. when emf is induced in the coil
14 years ago
can somone help me compare and contrast twilight and beowolf? (the characters etc)
14 years ago
show a correct numerical setup for determining how many litters of a 1.2M solution can be prepared with a .50 mole of c6h12o6
14 years ago
The planet mars has a mass of 6042e23 kg and a radius of 3038e6 m. how much would a 60 kg person weigh on Mars compared to their weight on Earth? How heavy he would feel he weighed in kg on Mars?
14 years ago
Advertisements for A toy balk once stated that it would rebound to a height greater than the hethe height from which it was dropped. Is this possible?
14 years ago
List all possible rational zeros for the polynomial below. Find all real zeros and factor completely. Please show all your work. f(x) = 2x^4 + 19x^3 + 37x^2 - 55x - 75
13 years ago
18mm 9mm whats the base its a trapazoid
13 years ago
a gun is fired from a distance of 1.2 km from a hill. The echo of sound is heard at same place after 7.1 seconds what is velocity of sound?
13 years ago
a gun is fired from a distance of 1.2 km from a hill.the echo of the sound is heard after 7.1 seconds at the same place. Calculate the velocity of sound.
13 years ago
i want to learn this language. Please write some french sentences and also translate them into english. Please earlier, its very urgent.
13 years ago
please translate these sentences into spanish-: 1.how are you? 2don't disturb me? 3.i want to drink something. 4.oh, i got it. 5. I want to do my work. 6.please be quite.
13 years ago
translate these sentences-: 1 i am not free. 2 good bye i'll see you later. 3 hello how are you? 4 don't disturb me, let me study. 5 may you please give me this book.
13 years ago
please give me some important tips about a topic 'tiger in trouble'. I have to prepare a chart on this.
13 years ago
please give me some important tips about decoration of a science chart.
13 years ago
please give me some important tips about decoration of a science chart based on 'tiger in trouble.'
13 years ago
if a bowling green is 1350meters square and the chemical is 0.4 litres a hectare how much do you put on
13 years ago
i want to become amember of young scientist association in my school. But for this i must give an idea of any science project . Please help me
13 years ago
if we grind some sugar and in this ground sugar, we add some salt in it then it will become a mixture of sugar and salt. so how can we separate sugar and salt.
13 years ago
from where does salt come in the sea.
13 years ago
assume that the input piston has an area of 4.25 inches squared with a force of 3150 pounds what is the pressure in the system
13 years ago
how do you find m in the equation: (two fifths) m equals 6 2/5 m = 6
13 years ago
what is the bond order of n2 positive, n2neagative, n2 2neagative?
13 years ago
what is the maximum value of sinthetacostheta?
13 years ago
write the number of points of intersection of 2y=1 and y= sinx. -2pi<_x<_2pi
13 years ago
the complex numbers 1,-1,iorta root3 form which type of triangle in graphical form
13 years ago
what is the domain of the function f(x)=1/root[2x-3]
13 years ago
in triangle abc if acosA= bcosB then how to prove the triangle is isosceles or right angled
13 years ago
how many liters of water will have to be added to 1125 liters of 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content.
13 years ago
list the contact and non contact forces in mathematics. What is the cold welding?
13 years ago
what is time paradox and time dillation?
13 years ago
what is the square and square root of zero
13 years ago
what is the graph of potential energy and kinetic energy against distance?
13 years ago
What is the domain of the functions f(x)= 1/root(x+|x|) f(x)= x|x|
13 years ago
what is the domain and range of the function F(x)= 1/1-2cosx
13 years ago
if [x] denotes the integral part of x, then what is the solution set of the equation [x]^2 -5[x]+6=0
13 years ago
what is the range of the function f(x)=1/root(|x|-x) and its domain.
13 years ago
how are longhouses and present day homes alike '
12 years ago
a circular ink-blot grows at a rate of 2 sq cm per second. find the rate at which the radius is increasing after (28/11)seconds.
12 years ago
what is the refrevtion of waves? And what are the laws'of refraction? Also about phase change.
12 years ago
i have to prepare a new technology based model for science fair that has been rarely known. Is there any different technology in america or england that is rarely known?
12 years ago
if the angular speed of earth becomes 17times its present value what will be the 1.effect on a body on the equator of earth? it will be A. Heavier than present value B.lighter than present value C.weightless And also what is the reason? 2.a girl sitting o...
12 years ago
a ball rolling on oa inclined plane dors so with constant acceleration. One ball, A, is released from rest on th etop of an inclined plane 18m long to reach the bottom 3s later. At the same time as A is released, another ball, B, is projected up the same...
12 years ago
a trust fund has rs30000 that must be invested in two diferent types of bonds.the first bond pays 5% and second 7% interest per year. using matrix multiplication determine how to divide rs 30000 among two types of bonds if the trust must obtain na annual...
12 years ago
a matrix X has a+b rows and a+2 columns while the matrix Y has b+1 rows and a+3 columns. both matrices XY and YX exist. find a and b. can you say XY and YX sre of same type? are they equal?
12 years ago
there is technology day celebration in our school. I have to give a speech on a new technology that has developed recently and very rarely known. Please give me some ideas.
12 years ago
1.if 2^x+2^y=2^(x+y) then dy/dx is equal to what? 2.If x.root(1+y)+y.root(1+x)=0 then dy/dx is equal to what? 3.Sin[(1/2)cos^-1(4/5)] is equal to what? 4.check the continuity of function f(x)=2x+3 at x=1. 5.check the continuity of the function F(x)={e^x -...
12 years ago
what does 1M solution of sugar stands for?
12 years ago
how does the total energy stored in a capacitor change, when the medium of air is replaced by a medium of dielectric constaant K? Explain.
12 years ago
1.descibe the construction and working of machine used to generate high voltage? 2.draw electric lines between the plates of a parallel plate capacitor with 1(air) and 2(dielectric) as a medium? 3.near the surface of earth the field is about 100V/m. why d...
12 years ago
1)How can you determine average velocity from displacement time graph?
12 years ago
an amount of Rs 5000 is put into three/investments at the rate of interest of 6%, 7%, 8% per annum respectively; the total annual income is Rs 35800. If the combined income from first two investments is Rs 70 more than the income from the third. Find amou...
12 years ago
prove that 4cos36+cot15/2=1+4+9+16+25+36,ifcot15/2 is1+cos15/+sin15
12 years ago
according to einstein's mass energy relation M= m'/root[1-(v^2/c^2)] Where M is mass of particle when it moves with velocity 'v' And m' is its initial mass. When particle moves with velocity of light i.e. When 'v=c' then M= m'/0 =infinity i.e. Infinite ma...
12 years ago
write the programing for following 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 1 1 2 1 2 3 1 2 3 4 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4
12 years ago
i have to make a model for science fair. Any new development!. So please give me only idea that which new development can be possible with the help of eddy currents or induction of emf...........
12 years ago
if you take five tests and come out with your grades. order these numbers from least to greatest 76% 8/10 90% 17/20 83% then find the average of the five quizzes
11 years ago
please tell me new ideas regarding information and communication technology that have not yet used in daily life..
10 years ago
how does chemistry apply to everday life?
10 years ago
what major concepts makes chemistry useful in everday life?
10 years ago
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life. One major concept that was learned in CHM 111 that applies to everyday life is stoichiometry. Stoichiometry is founded on the law of conservation...
10 years ago
while training for a marathon Anderson is supposed to run a total of 10 miles total during the week. he ran the following number of miles from Monday to Saturday: 4 1/2, 1 2/3, 4/6, 3 1/12, 1/6 how far did Anderson run during the week?
10 years ago
Why the blood pressre in human greater at the feet than in the brain?
10 years ago
if the radius of a sphere decreases by 0.1%,find the percentage decreases in (i)surface area (ii)volume
10 years ago
qustion(1):find the product of xy if x,3/2,6/7,y are in a g.p qustion(2):calculate the angle between the vector u=2i+2j and v=2i+2ji qustion(3):if the center of a circle,the tangent from X touches A&B and AC is a diameter if AOB=47 calculateBOC
10 years ago
qustion(1)x^x=100, find x question(2):2x+2y<4,3x+4y>6 find the value of x&y that satisfy the inequalities qustion(3):x^x=100^x find x
10 years ago
if the price of an orange was raised by 1/2k per orange, the number of oranges a customer can buy for #2.40 wil be less than 16.what is the price of an orange
10 years ago
resolve the partial fraction: x^3+6/x^2x+6.plz explain thanks
10 years ago
resolve the partial fraction:x^3+6/x^2(x+3).with explanations thanks
10 years ago
integrate x^xdx.plz explain thanks
10 years ago
A shop is sending out a bill for an amount less than #100.the accountant interchange the two digits and so overcharage the customer by #45,given that the sum of the two digits is 9.find how much the bill should be?.thanks
10 years ago
qustion(1):A rectangular face of a casting 250mmx100mm is to be machined on a sharper.if the average cuting speed is to be 20m/min and the feed is to be 2mm/stroke,calculate the time taken to machine the face of casting.allow 5mm overun at each end of the...
10 years ago
damon,reiny,steve,ms sue.plz get a solution 2 my question please itz urgent!!!
10 years ago
in how many ways can be the first four letters of your name be arranged to form a three letter word, (i)when the letter can be repeated (ii)when the letter can not be repeated
10 years ago
logx+logx+n-logx/n.plz solve with explanation thanks
10 years ago
(i):find the number of four letter words that can be formed from the letter history (ii):how many of them begin and end with a consonant (iii):how many contain the letter (Y) (iv):how many beging with (T) and end with a vowel (v):how many contain both vow...
10 years ago
the graph of the relation y=x^2+2x+k, passes through 2 and 0 find the value of k. plz explain
10 years ago
(1)find dy/dx of y if y=tan^(-1)1/x^2 (2) if y=3z^2.z^2 find dy/dz (3) if y=x^x show that dy/dx=x|n(x+1).. thanks
10 years ago
find the centroid of the area of the finite region enclosed by the curve y=x^(2)+1, when x-axis and the line, x=0 and x=3
10 years ago
y=2^nx differentiate with respect to x using the first principle
10 years ago
find the equation of a tangent of a curve at point(1,3) x^2.y^3+y^2.x^4+4x^2-14=0,i tried differentiate it n also applying this formula y=mx+b.bt i gt confuse
10 years ago
integrate. (1):sin2xcos3x (2):5(cos3x)^2
10 years ago
12 is divided into two parts such that the product of the square of one part and fourth power of the other give a maximum,find the two numba
10 years ago
9^x(-2)+3^3x=81.... here is wat i did bt i go confuse (3^x)(-4)+(3^x)3=81 let 3^x=b b/4+b^3=81 multiply tru 4 b+b^3=81
10 years ago
9^x(-2)+3^3(x)=81 i need help
10 years ago
resolve the partail fraction and then integrate.3x^2-34x+97/(x-5)^3
10 years ago
A-C=B/2 A-B=C/6 B+C=32 find A,B,C
10 years ago
x^4+2x^2.y^2+y^4.......plz help
10 years ago
precious father is 5times older than his daughter precious and precious is twice as old as his brother mathew.in two year time the sum of there age wil 58 how old is precious nw
10 years ago
how many years will have to pass before only 3% of radioactive isotope is left if there is a half ye
10 years ago
The population of viruses in an influenza culture after t hours is given by the function x(t) = 4et/2.5 The cost y in dollars for a new automated microscope to count x viruses in a sample is y(x) = ln 2x Create the composite function that calculates the c...
9 years ago
Find the domain of the composite function f◦g. Find the domain of the composite function f◦g. F(x)= 3/(x-3); g(x)= 2/x
9 years ago
Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expression. ln ã(x+4)=1 What is the exact solution? Select the correct choice below and, if necessary, fill in the answer box to comple...
9 years ago
Write the expression as a sum and/or difference of logarithms. Express powers as factors. log3(27x)
9 years ago
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set? (Type your answer in interval notation.) qaz
9 years ago
A circle has the equation x squared plus y squared plus 8 x minus 8 y minus 49 equals 0 Graph the circle using the center (h,k) and radius r. Find the intercepts, if any, of the graph. qaz
9 years ago
Answers
The following answers were posted by visitors named edward.
I need help with partial differences method.
17 years ago
please do not post questions that involve quiz questions from mc master univeristy
15 years ago
We designed the pages to fit in three, five, and seven-ring binders. is this correct punctuation?
14 years ago
.65496475
14 years ago
on a map an inch represents 200 miles how far is 3 1/4 inches?
14 years ago
there are 5 boys in a class of 20 students, what percent are boys?
14 years ago
There is a process to this and it's why I am asking for help.
13 years ago
thank you very much.
13 years ago
i have to put a topic 'tiger in trouble'. Please help earliar
13 years ago
please explain clearly. I just didn't understand the question.
13 years ago
Edit the following sentences to correct misplaced or awkwardly placed modifiers. 1. The flood nearly displaced half of the city’s residents, who packed into several overcrowded shelters. *The city's flood displaced half of the residents, who packed into s...
13 years ago
can you check my * answer *Edit the following sentences to correct misplaced or awkwardly placed modifiers. 2. Most lions at night hunt for med- size prey, such as zebra. (revised) Lions at night hunt for med-size prey, such as zebra. 3. Several recent st...
13 years ago
density= mass/ volume
13 years ago
5H2O stands for the dehydration of copper sulphate.it shows that copper sulphate solution is hydrated.
13 years ago
i tried this way but answer not coming..... :/ ans is 0.25
12 years ago
9 1/4 miles walked
12 years ago
9 1/4
12 years ago
sine is function 1/2cos^-1 is its angle. so i can convert cos^-1 into sin^-1 but can i cancel this with sin because there is (1/2).
12 years ago
by using brain
12 years ago
Imagine that you are hosting a group of exchange students next term. You are responsible for welcoming the students to campus and acquainting the students with life on campus socially as well as academically
11 years ago
I've done a and b, but I can't figure c out. Do I use G=6.67e-11?
11 years ago
why is it 1/50??
11 years ago
did I answer the question?
10 years ago
69.5197° N, 139.5250° W Ivvavik national park
10 years ago
tank you reiny
10 years ago
how did u got 27 and 72 i don,t understand
10 years ago
damon,reiny,steve,plz get a solution 2 my question plz it is urgent!!!
10 years ago
scrol down a bit
10 years ago
i don,t have much word to say bt tank you verymuch
10 years ago
yap reiny n tanks
10 years ago
yes (history)
10 years ago
it was a typo bt it is a (word) nt a letter,none it is hard dat is y i ask 4 the solution
10 years ago
These are the words that i have found so far (i)sort (ii)this (iii)shot (iv)host
10 years ago
what about the (ii), (iii) ,(iv), (v)
10 years ago
i don,t know it that is why i ask for the solution
10 years ago
but steve i don,t know it dat is why i posted it so that i can gt help from you guys to help me study further
10 years ago
i can do that 2x+4x=6x 6x=6x add -6x to both side 6x-6x=6x-6x 0=0 which automatically mean that all real no are the solution
10 years ago
ok thanks steve,i will do just dat
10 years ago
bt damon daz not the first priniciple
10 years ago
steve can logarithm work 4 dat
10 years ago
i did not see dat jus it was a typo steve
10 years ago
yes reiny daz the question i jus decided to include bracket in it,reiny u got me confuse how come 3^x become 3^-x,but what if i use logarithm can it work?
10 years ago
wil it work
10 years ago
Tangina ano sagot??
10 years ago
poor service delivery
9 years ago
i cant...explain it please
8 years ago
The scatterplot shows the number of minutes spent reading (x) and the number of pages read (y) by each of seven students last night. Use the labeled points to create a linear model that predicts the number of pages that a typical student reads in x minute...
8 years ago
It will be spain because portugal is in spain if you look at a map.
4 years ago
first you have to solve the mixed fraction to be proper fraction or improper fraction and make denominator to be the same,if the denominator is the same than add the numerator ,the final answer your answer
4 years ago
any number that can be divided by 2 without a reminder .examples 0,2,4,6,8,10
4 years ago
A polygon is a square if and only if the polygon has exactly four sides. true or false A polygon has exactly five sides if and only if the polygon is a pentagon. true or false A polygon has exactly four sides if and only if the polygon is a rectangle. tru...
3 years ago
Thanks ! ~♥𝖈𝖍𝖊𝖆𝖑𝖎𝖘𝖆♥~ ! 100% you saved my life.
2 years ago
10202
2 years ago