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manny

Questions and answers by visitors named manny

Questions (113)

Suppose a code consist of two letters followed by a digit. Find the number of(a) Codes (b) Codes with distinct letters (c) Codes
1. 4 answers
2. 3,698 views
The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random
1. 4 answers
2. 2,405 views
Hi the following comes from my first homework assignment in AP Chemistry. I am totally lost on this question and don't know
1. 2 answers
2. 663 views
I cannot find the correct answer in my text book it's unclear. I know it seems like a simple question, but I want to make sure I
1. 1 answer
2. 398 views
1.)correct2.)wrong---> the first term is wrong 4(3a^2)^2 = 36a^4 3.) not sure on this one 4.) wrong---> - square root of six is
1. 1 answer
2. 974 views
I have no idea on this oneA man put a goldfish into recently boiled water that had been cooled quickly, and it died. Explain
1. 2 answers
2. 546 views
At a house on a particular day the outside temperature differs from the inside temperature by 65 degrees fahrenheit. The house
1. 2 answers
2. 516 views
Of all possible DNA nucleotide sequences, what sequence of base pairs would dissociate most easily into single strands if the
1. 3 answers
2. 877 views
How do i go about this question?Suppose a car is traveling at 20.0m/s, and the driver sees a traffic light turn red, After
1. 3 answers
2. 943 views
I'm having issues with understanding exactly how Expected Values work, I understand what they are, just not how to get them in
1. 1 answer
2. 382 views
here is a hypothetical questionI am an art teacher and craft writer. I need to know if fabric that has been rusted (by choice),
1. 2 answers
2. 607 views
can you guys check if this is correct?____________________________________ "the cross- sectional area of a circular duct is
1. 1 answer
2. 524 views
A bicycle chain is wrapped around a rear sprocket (r = 0.039m) and a front sprocket (r = 0.10m). The chain moves with a speed of
1. 2 answers
2. 1,294 views
I have the eV values of two different materials that are being used for a high speed LEDs. I am in the dark on how to combine
1. 1 answer
2. 368 views
Why is caffeine only soluble in water that is strongly acidic?Is that true? I think the solubility of caffeine is about 180 mg/L
1. 1 answer
2. 520 views
It is possible for the velocity of a rocket to be greater than the exhaust velocity of the gases it ejects. When that is the
1. 1 answer
2. 517 views
can anyone offer advice to find ƒÆmax after one has found that cosƒÆmax=[�ã(1+15ƒÀ2)+1]/3ƒÀ ?I do not really
1. 1 answer
2. 434 views
A 0.240 kg ball moves at a speed of 3.0m/s strikes a wall and bounces straight back at 2.40m/s. The collision lasts 0.0150s. How
1. 1 answer
2. 389 views
The percent composition of iron in a sample of steel can be determined by dissolving a sample of steel in concentrated acid. The
1. 2 answers
2. 589 views
hey guys i'm stuck on this one question and i need some help!! thanks, appreciate it.....one gallon of paint (volume=3.786 X
1. 1 answer
2. 457 views
i am a four -digit number with no two digits the same. my ones digit is twice my thousands digit and one less than my tens
1. 2 answers
2. 585 views
I know It's probably an easy question but I don't know remember how to do it.Show the work to determine if the relation is even,
1. 1 answer
2. 471 views
Are these correct?Rank the following species in order of increasing acidity. Explain your reasons of ordering them as you do.
1. 2 answers
2. 2,583 views
First of all I need to let you know that I'm not an Engineering student. I'm just dabbling with it in a hobbie capacity.I
1. 1 answer
2. 409 views
Hi bob:I have a follow up question fo my previous post under heading electrical engineering If you could help me that would be
1. 1 answer
2. 494 views
two 22.5 degree cast iron bend are offset by 3 feet 5 inches, so the diagonal that joins them must have one hub. you need to
1. 1 answer
2. 446 views
Hello, I need help solving this problem on intermolecular dispersion forces. Can you explain how I go about finding the answer?W
1. 3 answers
2. 720 views
Hers's a question im not sure how to doWrite a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate
1. 4 answers
2. 512 views
a 10 inch flanged cast- iron spool connects two 90 degree elbows. the elbow center lines are separated by a distance of 6 feet.
1. 4 answers
2. 350 views
a dog runs back and forth between its two owners, who are walking toward one another. the dog starts running when the owners are
1. 4 answers
2. 5,277 views
How do i go about this problem?a car starts from rest at a constant velocity and reaches a velocity of 25 m/s when it reaches
1. 3 answers
2. 390 views
Is it easier to separate substances from concetrated or dilute solutions?
1. 3 answers
2. 315 views
to me this question does not make sense... it comes from a review packet for the SAT_______________________________________ Q:
1. 5 answers
2. 335 views
1:Negative clipping of an output signal occurs when theA. output impedance is too high. B. input impedance is too high. C. input
1. 2 answers
2. 1,212 views
i have a follow up question for a previous postHow do you know 2B is (20 "+" B) and not (2 "x" B)
1. 4 answers
2. 511 views
Ok... i have no idea how to do this problem.... if anybody can help, that would be very much appreciated________________________
1. 3 answers
2. 606 views
Scientist call a theory that unites many ideas in a simple way "beautiful". Are unity and simplicity among the criteria of
1. 4 answers
2. 1,174 views
Hi,I need help with this problem--- I have no idea how to go about it
1. 4 answers
2. 2,113 views
Some elements are missing, and others have no name but have an atomic number. (116) When will the table ever be complete? How do
1. 5 answers
2. 1,244 views
I need help with this one... Thanks!!!!Prove the following statement: When you add the identity matrix to a nilpotent matrix it
1. 3 answers
2. 494 views
Hi,I am reading the following two books for my AP English class; "All the king's men" -- Robert Penn Warren "Their eyes were
1. 5 answers
2. 558 views
This is what im given(1 + x)dy/dx - xy = x + x2
1. 5 answers
2. 324 views
I worked this problem, I would like to know if I did it correctly, I think I missed something, I'm not sure.....When a 20.0 gram
1. 3 answers
2. 1,175 views
Hi I am having some trouble with these few quetions I would appreciate some help so that I can understand them better.1) What,
1. 5 answers
2. 1,305 views
whats the pattern in these numbers?8 5 4 9 1 7 6 3 2 0
1. 3 answers
2. 1,146 views
Hi,I am doing an essay for my english class that deals with American values. The questions to consider: What does America value?
1. 4 answers
2. 627 views
Hi:I need help finding themes for the following novels... "Their eyes were watching god"--Hurston "All the Kings men" -- Warren
1. 3 answers
2. 578 views
Find the distance from point P<5,5,2> to the line x=0 , y=5-5t, z=2+t.I keep getting 0 and that's not the correct answer and I
1. 1 answer
2. 398 views
Let f and g be two odd functions. Prove that:a) f + g is an odd function b) g of f is an odd function I am not even sure where
1. 3 answers
2. 566 views
Im having severe trouble understanding the concept of Dimensions. And with 300 other students in my physics class the Professor
1. 3 answers
2. 581 views
Explain how efficient inventory management affects the liquidity and profitability of the firm.
1. 4 answers
2. 1,809 views
I am having trouble using modus ponens and all the rules of inherence. By any chance do you guys have a link that can explain
1. 3 answers
2. 857 views
----------A compound has the formula Mg3X2. If 1.87 g of X combines with 4.86 g of magnesium, what is the atomic weight of X? A)
1. 4 answers
2. 554 views
I'm forgetting, have scientists attained a means of fussion or fission as of yet.
1. 4 answers
2. 511 views
Differentiate the function f(x) = In(2x +3)
1. 3 answers
2. 316 views
Hi,I'm looking for the following poem. I need a version that has it divided into three parts. I couldn't find it online. If
1. 3 answers
2. 551 views
-2.60-Hi here is a question I am having trouble with. I need help only on part c.
1. 4 answers
2. 2,023 views
fire places are usually built so has to be very shallow with high backs. often they have structures to hold the burning logs
1. 1 answer
2. 393 views
Hi am doing a question for HW. Just need to double check:Is this the balanced equation for the combustion of titanium(IV)
1. 3 answers
2. 416 views
May i pls have some help balancing this equationAl + NH4ClO4 ---> Al2O3 + AlCl3 + NO + H20 Thanks, manny
1. 4 answers
2. 1,138 views
Can somebody point out the step i have to take to solve this problem. It would be much appreciated. Thanks a lot!!!!____________
1. 4 answers
2. 564 views
Hi here is a following sentence. I know what is wrong with it, but I can't find the word to replace the incorrect word._________
1. 7 answers
2. 694 views
When crude caffeine is isolated from tea, why does it often have a green tinge?
1. 2 answers
2. 530 views
Hi i've been struggling over this question for a while. Can anybody help me with this?A body's velocity at the time t sec is v =
1. 1 answer
2. 439 views
what does "los famas" mean in spanishi looked it up and i get fame for "fama" but it does not make sense in this particular
1. 3 answers
2. 856 views
Posted by manny on Tuesday, October 2, 2007 at 6:41pm.what does "los famas" mean in spanish i looked it up and i get fame for
1. 4 answers
2. 523 views
what is the importance of obtaining the percent yield of a product. for instance i had to do steam distillation to obtain
1. 3 answers
2. 489 views
Hi can you help me with the following question. I don't understand how to answer the question. If someone could tell me the
1. 3 answers
2. 490 views
An explosion occurs that releases 2500J of energy in 110ms, 1.5% of which goes into a spherical sound wave traveling out equally
1. 1 answer
2. 450 views
Hi,I was wondering if somebody could help me out with this problem which says: "Why does changing the base have no effect on the
1. 1 answer
2. 408 views
Simplify.3 square root2(5square root 2 - 6 square root 12)
1. 4 answers
2. 426 views
For some reason i cant get this question. If someone can help that would be great. Thanks.In a pickup game of dorm shuffleboard,
1. 2 answers
2. 485 views
There is a pulse returns 3.0x10^-4 seconds after it is sent out, having been reflected by an object. What is needed is the
1. 3 answers
2. 1,168 views
sUPPOSE YOU HAVE A square coil and a triangular coil each have sides of length L. The triangular coil has twice as many turns as
1. 1 answer
2. 872 views
SOMEBODY ANSWER THIS PLEASE,Two people pull as hard as they can on ropes attached to a 170 kg boat. If they pull in the same
1. 2 answers
2. 622 views
a snowboarder moves down a slope for which theta= 22 degrees. the coefficient of kinetic friction between the board and the snow
1. 2 answers
2. 532 views
find 3/5 of 30
1. 2 answers
2. 506 views
The length of a rectangle is three times its width.If the area of the rectangle is 45 ayrds squared , find its perimeter.
1. 1 answer
2. 321 views
Write the equation of a line with the given slope and y-intercept.1.m=0 b=-3 2.m=-7 b=1/2
1. 4 answers
2. 348 views
1. The employees of Abs “R” Us, which includes 12 fitnessparlors in and around the metro area, feel they can improve the
1. 20 answers
2. 614 views
What happens to the speed and direction of the passenger's velocity relative to the water if the speed of the boat doubles?
1. 1 answer
2. 88 views
A swimmer, capable of swimming at a speed of 1.3 m/s in still water (i.e., the swimmer can swim with a speed of 1.3 m/s relative
1. 1 answer
2. 1,069 views
One number is four times another. the greater number is x. write an ecpression for the lesser number.
1. 7 answers
2. 1,560 views
Ben deposits $5000 now into an account that earns 7.5 percent interest compounded annually. He then deposits $1000 per year at
1. 4 answers
2. 1,305 views
You decide to open an IRS-approved retirement account at your local brokerage firm. Your best estimate is that it will earn 9
1. 1 answer
2. 448 views
Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.
1. 2 answers
2. 522 views
Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.
1. 2 answers
2. 491 views
Convert 2x-y>2 to slope intercept form.
1. 1 answer
2. 329 views
A student says that the solution of 375 = x – 28 is 347. Explain the student’s error and find the correct answer
1. 33 answers
2. 4,669 views
there are 4 quarters in a dollar. Steven earned 3 dollars last month. How many quarters did he earn?
1. 1 answer
2. 434 views
fly happy airlines lets each passenger bring 2 suitcases. their cargo area can hold 30 suitcases. How many passengers can fly on
1. 1 answer
2. 430 views
Barry's Blueberry Patch Come and pick your own blueberries for $3.00/lb Purchase prepackaged blueberries for $3.50/lb A family
1. 4 answers
2. 562 views
Barry's Blueberry Patch Come and pick your own blueberries for $3.00/lb Purchase prepackaged blueberries for $3.50/lb A family
1. 2 answers
2. 513 views
17. Which of the following is the correct simplified fractional representation of 0.03030?A. 303/1,000 B. 303/10,000 C.
1. 1 answer
2. 458 views
Which of the following is the number of milliliters in 2 gallons? (Note: 1 gallon = 4.4 liters; 1 liter= 1,000 milliliters)A.
1. 1 answer
2. 701 views
When salt (NaCI) is added to water, it disassociates into Na and Cl-ions. Which of the following types of chemical bond is
1. 2 answers
2. 893 views
Plant~Deer~Tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food
1. 2 answers
2. 760 views
Which of the following tissues would send a message to the brain indicating that someone has touched something hot?A. Epithelial
1. 7 answers
2. 966 views
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of
1. 3 answers
2. 821 views
During a sale, a store offered a 40% discount on a particular camera that was originally priced at $450. After the sale, the
1. 4 answers
2. 1,541 views

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