sammy

This page lists questions and answers that were posted by visitors named sammy.

Questions

The following questions were asked by visitors named sammy.

given S=piX(X+2Y) and V=piX^2Y show that dS/dX=pi(X-Y) when V is constant, and dV/dX=-piX(X-Y)when S is constant. Please HELP!! I have tried several times, and I don't get the result you asked for. If we're given S=piX(X+2Y), then dS/dx= piX(1+2Y')+pi(X+2...

A stereo speaker emits sound waves with a power output of 100W. (a) find the intensity 10.0m from the source. B) find the intensity level in decibels, at this distance. C) at what distance would you experience the sound at the threshold of pain,120dB?

At rest, a car’s horn sound at the note A(440Hz) The horn is sounded while the car is moving down the street. A bicyclist moving the same direction with one third the car’s speed hears a frequency of 415 Hz. What is the speed of the car? Is the cyclist ad...

A uniform electric field of magnitude 250 V/m is directed in the positive x direction. A +12.0-ìC charge moves from the origin to the point (x, y) = (20.0 cm, 50.0 cm). (a) What is the change in the potential energy of the charge–field system? (b) Through...

what is the relation between a solide and a liquid Well ice can turn into water. Try reading: http://en.wikipedia.org/wiki/State_of_matter http://en.wikipedia.org/wiki/Solids http://en.wikipedia.org/wiki/Liquids

The human eye is sensitive to electromagenetic waves that have wavelengths in the range from 400nm to 700nm (1nm=10^-9m). What range of the frequencies of electromagentic radiation can the eye detect? Can you please show me the steps and work because i do...

a circle is tangent to the y-axis at y=3 and has one x-intercept at x=1 1. determine the other x-intercept 2. find an equation for the circle so i know two points on the circle are (0,3) and (1,0) and the equation for a circle is (x-a)^2 + (y-b)^2 = r^2 b...

how is the concept of empathy illustrated and developed in Raymond Carver's "cathedral"

what is the 3 laws of motion? & what is the law of universal gravitation plz answer thx in advance

do you know why anything to the zero power is one???? thanks in advance

my teacher asked me why a number to the zero power is equal to 1. could you please explain why a number to the zero power equals 1?

how is to triple eight notes played as

wut should i study for a social studies unit test in the 8th grade????

We have to complete a study guide for English class but for some reason I can't find any of the answers, can anyone help? Chapter 5: According to the girl Jane meets, why is Lowood called an institution? How has Miss Scatcherd punished the girl Jane has s...

are chinesse dwarf hamsters rare??????

i wanna try to get my adorable rare chinese dwarf hamster on a bag of pet food or something. everywhere i try to find out stuff its always wut i don't want. could you plz help me. thx in advance!

In the short story, "Contents of the Dead Man's Pocket" what is the significance of the title?

How did Indian and European-American cultures affect each others?

a recent poll of 700 peole who work indoors found that 278 of the smoke. If the researchers want to be 98% confident of thier results to within 3.5% how large a sample is necessary? how do i work this problem?

I've got a project due on Monday and i can't find any thing on what I'm supposed to be doing it on. I'm doing it on the chemical mixture of jelly and whenever i type that into Google it just comes up as like petroleum jelly and doesn't give me any answers...

consider the differential equation dy/dx= (y - 1)/ x squared where x not = 0 a) find the particular solution y= f(x) to the differential equation with the initial condition f(2)=0 (b)for the particular solution y = F(x) described in part (a) find lim F(x)...

a partial moves along the x-axis so that its velocity at time t, for 0< = t = < 6, is given by a differentiable function v whose graph is shown above. The velocity is 0 at t=0, t=5, and the graph has horizontal tangents at t=4. the areas of the regions bo...

solve the equation 15-4x=2(3x+1) 15-4x=6x+1 -4x+6x+1-15 2x-14 x=-14/2=-7

I need to create an experiment to separate and identify the components of an unknown heterogeneous mixture and to recover as much of the separated solid components as possible. The unknown mixtures may contain up to 4 of the following substances, one or n...

Can anyone tell me what a frog intestine nucleus should look like, and what a frog intestine cell membrane should look like? If anyone has a picture to show, that would be really helpful. Thanks in advance!

describe how each of the three groups of people in Rupert's land lived.

ok earth science what is a solstice and why do we have them?

Hi, I need a title for my essay it is about woman being unhappy with their marriages. I wanted to call it dissatisfying Marriages. If you have a better title that you can offer, please do.

The ratio of staff to patients at Lakeview is 8 to 7. If total staff plus patients is 1575 people, how many staff are at Lakeview? help me get started on how to solve this

simple subject of this sentence Alex Tanner added a spoonful of vanilla

what solids and liquids used i house

find the number that makes the fractions equivalent 1/2=?

is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right answer Name a function with the following characteristics: note: f prime means the first deriviative f is continuous over the...

my teacher wants me to look up in the stock market how much was the price per share for Pier 1 Imports on March 31, 2009 and November 16, 2009. Where do i go to find this information?

how do i find the local extrema for this graph. f(x)= x(e^x)

i have to do this and i have no idea im so confused i know to define but what is a real world example. and what are the fouec's and five pillars? im confused a little hint of help please The Four C’s and Five Pillars Directions: Consult Ch. 1 and the glos...

A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... I know that it is an open-closed system, but how would we take into account the amplitude, which is the radius...

an airline passanger fell asleep halfway to her destination. When she woke up, the distance remaining was half the distance traveled while she was asleep. What portion of the trip was she asleep?

Describe the basic differences between linear growth (a linear model) and exponential growth (an exponential model).

Give two examples of linear relationships (they can be from the world of business, science, sports, or other areas). Since their graphs would be straight lines, describe the meaning of the slopes of these lines as they relate to these relationships

A population of primates in a certain jungle is doubling each year. Describe how the population increases in size as a function of time. Give some example values for this population over time. Is this a linear or exponential relationship?

Describe how a mathematical function is created. Be sure to include a discussion of dependent and independent variables, and the two sets called domain and range.

two parallel conductors are located one above the other, with both carrying currents in opposite directions. As a result they repel each other. is the upper conductor in a stable state of levitation? b) Now we reverse one current so that the two conductor...

one parent has brown eyes the other has blue eyes, if they have a child what is the percent that it will have brown eyes? blue eyes?

For many years, China has been the world's most populous country. However, India has been catching up, with 1132 million in mid-2007 and growing at 1.6% per year, versus China then with 1318 million and growing at only 0.6% per year. If these rates contin...

for radio waves with a frequency of 454.4 nm, determine the wavelength, the energy of a photon and the energy of one mole of photns in kj/mol

How many molecules of stearic acid are present in 2.00 mL of a 0.25 mM solution of stearic acid?

the ratio of the perimeter of two similar squares is 5 to 4. If the area of the smaller square is 32 square units, what is the area of the larger square?

which of the numbers are integers? 11/3,9.7,-163,-3/8,1

$3,000,000,000,000,000 how much is this in words?

which of the following compounds have polar bonds and a net dipole moment? a) H3COH b) H3CCOCH3 ALSO PLEASE CHECK THIS, RANK THE FOLLOWING FROM MOST TO LEAST ACIDIC COMPOUND: A)H2SO4>H3CCO2H>H20 B)H3CCH2NH2>H3CCH2OH>H3CCO2H

A student suspected that an unknown was undergoing a chemical change at its melting point. Suggest a simple method for testing this hypothesis.

is cis-1,2-dimethylcyclohexane a conformational isomer of trans-1,2-dimethylcycloehexane? Please explain.

The coefficient of static friction between the 3.0 kg crate and the 31° incline shown below is 0.300. What is the magnitude of the minimum force, F, that must be applied to the crate perpendicularly to the incline to prevent the crate from sliding down th...

Identify the pronoun in the sentence below. Also identify the class and noun function of the pronoun using the abbreviations from the chart. For intensive pronouns, put NONE for noun function. That was a very long phone call.

PLEASE HELP !! Identify the pronoun in the sentence below. Also identify the class and noun function of the pronoun using the abbreviations from the chart. For intensive pronouns, put NONE for noun function. 1.Robert was successful because his planning pa...

Adonde vas despues de comer?

Angel of Elevation: You are skiing down a mountain with a vertical height of 1500 feet. The distance from the top of the mountain to the base is 3000 feet. What is the angle of elevation from the base to the top of the mountain? Traveling at 25 miles per...

Projectile Motion: An object is propelled upward at an angle theta, 45 degree < theta <90 degree, to the horizontal with an initial velocity of v0 feet per second from the base of an inclined plane that makes an angle of 45 degree with the horizontal. If...

If a wheel 211 cm in diameter takes 2.25 s for each revolution, find its period. T=?s

The standard molar heat of vaporiza- tion for water is 40.79 kJ/mol. How much energy would be required to vaporize 2.54 ×1010 molecules of water? Answer in units of kJ

How much heat is required to heat 0.1 g of ice at −30 degrees C to steam at 100 degrees C

a car starts from a stopped position at a red light at the end of 30 second its speed is 20 meters per second what is the acceleration of the car

Use the graphic to show the sampling distributions of means for the sample from Prison A (n=82) and the sample from Prison B (n=37). Mark the expected value of the mean and the standard units. Shade in the critical zone for alpha = .05.Locate each sample...

twelve less than a number is 19. what is the number?

The acceleration due to gravity near a planet's surface is known to be 3.20 . Part A If the escape speed from the planet is 9.54 , determine its radius. Part B Find the mass of the planet. Part C If a probe is launched from its surface with a speed twice...

A regional airline flight consists of two legs with an intermediate stop. The airplane flies 380 due north from airport A to airport B. From there, it flies 260 due east to its final destination at airport C. Part A What is the magnitude of the plane’s di...

At the Indianapolis 500 time trials, each car makes four consecutive laps, with its overall or average speed determining that car’s place on race day. Each lap covers 2.5 (exact). During a practice run, cautiously and gradually taking his car faster and f...

Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 . A 3000 truck tows a 1500 car by a chain. Part A If the net forward force on the truck by the ground is 3500 , what is the acceleration of the car? Part B What is the...

Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 . A block of mass 23.0 slides down a frictionless surface inclined at 35. Part A To ensure that the block does not accelerate, what is the magnitude of the smallest fo...

A Superball is dropped from a height of 2.4 and rebounds off the floor to a height of 1.9 . Part A If the ball is in contact with the floor for 0.70 , determine the direction of the ball’s average acceleration due to the floor. If the ball is in contact w...

Unless otherwise stated, all objects are located near the Earth's surface, where = 9.8 . A hockey puck with a weight of 0.80 is sliding freely across a section of very smooth (frictionless) horizontal ice. Part A When it is sliding freely, how does the up...

A 125 object is taken to a height of 210 above the Earth's surface. Part A What is the object's mass at this height? Part B What is the object's weight at this height?

Unless otherwise stated, all objects are located near the Earth's surface, where = 9.80 . When a horizontal force of 340 is applied to a 68.0 box, the box slides on a level floor, opposed by a force of kinetic friction of 150 . Part A What is the magnitud...

Three identical blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal force . (Figure 1) The magnitude of the tension in the string between blocks B and C is = 3.00 . Assume that each block has mass = 0...

Four identical masses of 3.5 each are located at the corners of a square with 1.8 sides. Part A What is the net force on any one of the masses?

Ilya and Anya each can run at a speed of 7.80 and walk at a speed of 3.20 . They set off together on a route of length 5.00 . Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half. Part A How lo...

Two separate seismograph stations receive indication of an earthquake in the form of a wave traveling to them in a straight line from the epicenter and shaking the ground at their locations. Station B is 60 due east of station A. The epicenter is located...

A satellite circles the earth in an orbit whose radius is 2.01 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and its radius is 6.38 x 106 m. What is the period of the satellite?

what are some winter sports written in french like for example skiing is "ski du faire". please help

Solve negative five-ninths equals negative two v minus one-third for v. choices four-ninths negative one-eighteenth one-ninth five-sixths

Any of the ten digits 0 through 9 may be used in a 6-digit code, but no digit may be used more than once. If the first two digits are 1 and 7, what is the largest possible average of all 6 digits? a)4 b)6 c)6.5 d) 7

A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box. The box is pulled to the right, stretching the spring. Static friction exists between the box and the table, so when the spring...

find the product to (2x+4y)(8x+3y)

What is the angular momentum of a figure skater spinning at 2.7rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 1.6m , a radius of 14cm , and a mass of 50kg How much torque is required to slow her to a stop in 4...

Jimmy invests 15,000 coins in a bank and earns simple interest. After 2 years he withdraws all his money from the bank .If the amount that he receives is 17,000 coins ,calculate. (a)the interest received (b)the rate at which bank pays interest.

The Nile perch population explosion has been accompanied by: a decrease in the dissolved oxygen in the shallowest portions of Lake Victoria. a decrease in the dissolved oxygen in the deepest portions of Lake Victoria. an increase in the dissolved oxygen i...

Answers

The following answers were posted by visitors named sammy.

thank you this helped me alot

thx but this didn't help i need to know why n^0= 1

x=3 y=2 no cause 3x3-2=7 not 6 does this help much???

a larger square- put 4 4x4s together rectangle - stack 2 ontop of each other im not sure about another but i have 2

thanks this website helped alot!!!!!!!!!! i just got a chinesse dwarf and i never herd of them before .

a recent poll of 700 peole who work indoors found that 278 of the smoke. If the researchers want to be 98% confident of thier results to within 3.5% how large a sample is necessary? how do i work this problem?

So I should try separating the solids using a magnet, and then use water? If it's not too much to ask, could you write out a simple procedure for me?

Thank you so much !

three groups - first nations, metis, and red river settlers around 1870

could u help me think of sometihng to say though??

Prince Edward Island

Kp=Kc(RT)^delta(N) .25=Kc(.08206*1100)^(2-3) .25=Kc(90.27)^-1 .25=Kc 1.108*10^-2 divide both sides by 1.108*10^-2 22.6=Kc it may be off a bit because i didn't account for significant figures

yes but the summerains were counted as the ones who really settled it

yay you got it just make sure to show your work " u

13 blocks in all but ends up on the east side

por mucho que means how much what i cant seem to answer biancas question can you answer it or help me try to answer it please

a right angle is 90 degrees so mla must be acute because acute is less than 90 degrees

give me your addy to help u out

freepassion_sam then we can start even if u have finished

why is australia a luck contry

to encourage managers to disregard the criterion that a product-market segment should be substantial

Why is CH3CH2NH2 the least acidic?

sequence of 2,5,14,41

So did we ever figure out if these answers from Ms. Sue are correct? I have this homework tonight and struggling with question #4.

i am the one who asked the question

In a device like the one shown below, the cylinder is allowed to fall a distance of 300 m. As a result, the temperature of the water increases by 2.7°C. What would have been the increase in temperature if the cylinder were only allowed to fall 100 m?

No, because 3x_ can NEVER equal to 16 so 16 divided by 3 has no answer. There will be one left out.

i saw it on google but for the other sports i don't seem to find the right vocbulary

This is great news indeed, I can't believe I made it!

i don a lot of research but yes they won

Haha!Glad someone finally got to bottom of this!Happened where I met some people and they said how it was easy to get their degree with getting answers of this site!Made me mad!

Hi! Sorry the math for the proposed answer is wrong. The equation was manipulated incorrectly and will give a wrong answer

The Nile perch population explosion has been accompanied by: a decrease in the dissolved oxygen in the shallowest portions of Lake Victoria. a decrease in the dissolved oxygen in the deepest portions of Lake Victoria. an increase in the dissolved oxygen i...

please explain why

Ok correct me if I am wrong but I don't agree with 1 because it say except! I thought it was B so I am very confused now. Ms. Sue would you clear this one up

Thank you very much!!Have a great day :)

I guess living on number 5 was also one and on number four they are saying Scottish is also so two answers for each of those :( Everything else was right

Connections does not give you enough resources and their lessons you pull up and a joke. they aren't even that good and informative. Everything is click here go there ad half the time it doesn't work. I hate not having an actual book in front of me. Not d...

So super stuck on these please check my work! Here are a few more Given Angle A how can you construct an angle whose measure is 1/4 m angle A? Construct the angle bisector of Angle A,and then construct the bisector of one of the newly created angles*** Co...

Awesome thank you

100% correct for Ms. Sue

Thank you both so much!!!

lol thank you sorry in a hurry One more please The true conditional statement "If 1/2 (m<ABC) = m<ABD, then m<ABC = 2(m<ABD" illustrates which property of equality? A. Addition property of equality B. Subtraction property of equality C. Multiplication pro...

Thank you SHi Buringa and Fardeen

2. b 5. b 7. d 8. a 10. d And thank you

Could you help me understand misplaced modifiers a little better

How about these? 1. After reading "The High School Step Team," the reader can conclude all of the following except (1 point)Karla's grades in math will improve. Karla will decide to join the step team. Karla will be too embarrassed to perform.**** Karla's...

Oh ok thank you

C?? What I read was it needs an adjective describing it before the noun right?

if you were decide if an unknown organism is an archaebacterium or aeubacterium you wold look at the ribosomrs brcause

I been trying to figure out if my answers were right to with no luck! I have read so much and the wording is throwing me off bad. Just few words different and I'm flustered

So it's not just me these questions are tough :(

1/di could also be written 2/2di then if you take away 1/2di you are left with 1/2di. It's like saying 1 minus 1/2 equals 1/2

I know part a equals zero. but can't figure out parts b and c. any help would be much appreciated

I believe the answer is 9.6 feet also because if you cross multiply

my answer is d what's your's.

thanks I was confused

is any of these the real answers

is your answer correct?

suwwoop is correct

i think its incnrf3juhhuhucybhufbcrbfyrbfrbhyrbfygbrhfbrbfhgbchbfygubrfhbgyuyrfvygfbbgrfbrhbfygurfberbgyrgfyergcbfhebrcheceghfbhfbhgrbfhgrbfyr3bfrhfbruferbfuihebfhjehfbehfbfhKIAJS(IJew9cjiwnfuhenuhenuhnecvnefcn

it is realistic, investigative,artistic,social,enterprising, and conventional

the correct answer is -45

i hate school.. i just took the test if you’d like all the correct answers if you haven’t got them already

I love going to the fair during the summer. Which relationship exists between the clauses? A. a relationship between a dependent clause and an independent clause B. a relationship between two independent clauses C. a relationship within a single independe...

A ____________ _______________ _____________ also can be used to provide descriptive details when communicating thoughts and ideas. what could this possible be?

how is first period scores highter than third period, when third period median was 80

A 1,250 B 1,300 C 1,200 D 1,350 these the only options they have..

True or False: Making inferences is something that we do in everyday situations. Responses A TrueTrue B False

Is this equation true or false? 0.052 meters = 50 millimeters

Is this equation true or false? 0.2 meters = 2 decimeters

Compare these measurements. 3250 meters Blank Space__________ 3.5 kilometers

Soft drinks are sold in 2-liter bottles or 354-milliliter containers. Which container holds more?

The largest part of landfills is made up of newspapers. A 30.48 cm stack of newspapers has a mass of about 15.87 kg. What is the mass of this stack of newspapers in grams?

Question 6 options: Convert. 123 m = __________ km

152 kg = _________ cg

A person accumulates 163,300 grams of trash each year. How many kilograms are in this amount?

Linda is using an eggnog recipe that requires 5.25 liters of whipping cream and serves 42 people. She only needs enough eggnog to serve 6 people. How many milliliters of whipping cream would be required for the smaller group?

73 cm = __________ m

0.052 meters = 50 millimeters

0.24 meters__________ 2.3 centimeters

0.2 meters = 2 decimeters

Is this equation true or false? 0.2 meters = 2 decimeters

0.036 kL =Blank Space __________ L