Questions Asked on
February 14, 2011

CHEMISTRY
Grams/mole benzene
asked by dan 
ap chem
If the H3O+ concentration is 10−7 M, what is the pH?
asked by Anonymous 
CHEMISTRY
Benzene equals 78.11 grams/mole
asked by dan 
Native History
what are the two "views" of King Phillips war??
asked by cecile 
science
What happens at the particle level when you put ice cubes in a glass of room temperature lemonade?
asked by ..... 
ap chem
Acid rain has a pH value of 3.0, whereas normal rain has a pH value of 5.6. Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
asked by Anonymous 
Physics
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 56 km/h (35mph ). A new model of mass 1900 kg takes 0.15 s from the time of impact until it is brought
asked by Lisa 
CHEMISTRY
19. Convert 15 ppm of benzene to mg/m3 at 20 oC and 720 torr Density of a gas is g/L = P(MW)/RT (740 torr x 1 atm/760torr)(78.114g/mole)/ (.0821L atm/mole K)(293K) = 3.16g/L 1ppm =1 L Benzene/106 L of air = 1L ben/1000 m of air = 0.001 L ben/m3 = 0.00316
asked by dan 
math
a lot owner owns a corner lot , 60mx80m, .find the dimensions x, y of the largest rectangular building he can built pn his lot?
asked by gen 
math
find two numbers whose product is N^2 and whose sum is a minimum
asked by cheryl 
math
a right triangle whose hypotenuse is h mm long is rotated about one of its legs to generate a circular cone.find the radius and altitude of the cone of greatest volume.
asked by gen 
govenor state
25+50=
asked by Eygpt 
math2
an open right circular cylindrical tank of given volume stands with vertical axis. the material of its bottom costs twice as much per unit area as that for the sides. find the most economical proportion?
asked by gen 
physics
What is the linear speed of a point at a latitude of 18.0 N?
asked by kolin 
helpppppp
what role do insulators play in preventing electric shock?
asked by kim 
ap chem
Like all equilibrium constants, Kw varies somewhat with temperature. Given that Kw is 5.02×10−13 at some temperature, compute the pH of a neutral aqueous solution at that temperature. 006
asked by Anonymous 
ap chem
What is the pH at 25C of a 0.17 M solution of the acid HClO which has an ionization constant of 3.5 × 10−8?
asked by Anonymous 
ap chem
Calculate the percent ionization of a 0.76 molar solution of acetic acid. The ioniza tion constant of acetic acid is 1.8 × 10−5.
asked by Anonymous 
ap chem
The pH of a 0.100 M solution of a weak acid HA is 4.94 . Calculate Ka for the acid.
asked by Anonymous 
Organic Chemistry
A compound whose solubility in ethanol is 4.24g/100ml at 78c and .3 g/100ml at 0c is recrystalize by heating it at 78 and then cooling it to 0c. If we are to recrystalize a .5g of this compound in a 10ml of solvent, what is the maximum possible % recovery?
asked by PEd 
English
Can anyone give me details or tell me what else should I talk/ more information on something. I ran out of ideas/ thoughts. This is what I got. What media would you use for your communication skills to advertise? I would used the television for my
asked by Anna 
Geometry altitude
a(2,4) b (4,6) c (4,4) find the equation for the altitude from each vertex of triangle abc.
asked by Skye 
urgent help chemistry!!
2H2 +O2 > 2H20 A container at a o degrees celcius is filled with a mixture of oxygen and hydrogen. The fastest way to establish an equilibrium is.. 1. add more H2 2. do nothing, equilibrium will occur 3. increase the temperature 4. increase surface
asked by Anonymous 
ochem
list from strongest acid to weakest acid HC(triple bond)CCH3 H2C=CH2 H3CNH2 CH4 H2O i thought the order went HC(triple)CCH3 H3CNH2 H2O H2C=CH2 CH4 but it comes out as wrong and i don't know why >
asked by Allie 
science
Calculate the pH of a solution created by mixing 200.0 mL of 0.400 M acetic acid and 200.0 mL of 1.00 M sodium acetate. Hint: The instant the two solutions are mixed what are the initial concentrations of each?
asked by Bruce 
math
A circular pond of diameter 15m is sorrounded by a path of of 2m wide find the area of the pathway
asked by Happy 
math
You have a bag of lots of red and white marbles. In the worst case, how many would you have to pull out to get two marbles of the same color? Four? Generalize by finding a formula for predicting the maximum number of marbles that you would have to pull out
asked by Kat 
Accounting 280
E15 1
asked by mE 
Chemistry Flame colors (check+help)
What are the characteristic flame color for sodium, potassium, barium, copper, strontium, and calcium? Explain why? Ans: i know the flame colours, but for the explain why, could the below be a possible answer? The characteristic flame color is due to the
asked by Farah 
Physics
A patient has a far point of 34.6 cm and a near point of 26.0 cm. What power (in diopters) should be prescribed to give the patient normal vision for: (a) contact lenses? 1) D (b) glasses which are worn 0.9 cm away from the patient's eyes? 2) D
asked by DJ 
PERSON!!!!!
I have no money at all no credit card or checks or anything! So can someone please tell me where to get a free background check or free record check?? I really need this please!!
asked by NEEDS HELP!! 
Math
A waffle cone has a width of 7.6 cm and height of 15.2cm and a chocolate coating that is 2mm thick. What is the volume of the chocolate coating? How many of these cones if they were filled up to the brim would be needed for 400 gallons of ice cream given 2
asked by CJ 
math
what is log0.033 log(3.3*10^2)
asked by mel 
physics
A rectangular piece of Styrofoam of mass 3.0 kg floats with 5.0% of its volume underwater. What is the maximum mass that the Styrofoam can support without sinking?
asked by lovzz 
software
I want a conclusion on system & app. Software for my i.t. Project. Not big but small i.e. A paragraph for class 9th
asked by Shubhangi 
writing
Hilda takes an enormous amount of space, though so little time, in my adolescence. Even today, her memory stirs me; I long to see her again. She was three years older than I, and for a short while all I wanted was to look like, sound like, and dress like
asked by jg 
English
Can you please tell me if the word choice is correct? Thank you very much. 1)The play opens with the news that Macbeth has succeeded in defending Scotland from an invasion by the Norwegians. 2) While returning from his victorious battle, Macbeth and his
asked by Mike 
physics
How gravitational acceleration (g) is used to benefit mankind and the environment. How can rural people also benefit from the use of gravitational acceleration?
asked by Winnie 
math
how do you go about solving liner equiaions?
asked by dawn 
child daycare
what type of atmosphere should be created for school aged kids?
asked by dawn 
global science
Where do the cold and hot winds come from in Hawaii, Honolulu
asked by Daniel 
accy 201
i need help with adjusting and paying accrued expenses for three separate situations and also preparing an income statement and statement of retained earnings for Resource Trucking Company for December 31,2009
asked by ann 
game theory
Consider the following game. Player 2 L R U 6, 1 ........8, 3 Player 1 UM 4, 9........8, 4 DM 7, 2 ............6, 9 D 5, 4...........9, 3 (a) Is there a mixed strategy Nash equilibrium in which player 1 is placing positive probability only to strategies DM
asked by Desperate 
math
whats the equation of a line
asked by ronan 
health
what is carbon monoxide in
asked by arielle 
Physical Science
Two 125 kg bumper cars are moving toward each other in opposite directions. Car X is moving at 10 m/s and Car Z at –12 m/s when they collide head–on. If the resulting velocity of Car Z after the collision is 10 m/s, what is the velocity of Car X after
asked by Helen 
trig
Cos theta= 1/3, find the remaining trigonometric functions of the acute angle theta
asked by Anonymous 
English
Can you please check these sentences which I reworded? Thank you.(Check the word choice please) 1)I sort my rubbish (trash) into four separate bins which are located in a kitchen cupboard under the sink: one is for plastic, one is for paper; one is for
asked by Mike 
Math
Solve for X. X^3=27 x = 3 because 3 * 3 = 9 and 9 * 3 = 27. Correct?  [x]= 16 X = 4^3 because 4 * 2 = 8 and 8 * 2 = 16. Correct?  (x2)^4=16 I need help on this one!
asked by Martha 
business
can someone help me with some information on each one of this. Employee Receives Either Rewards or Punishments Employee Identifies Need Employee searches for ways to satisfy these needs Employee Reassess Need Deficiencies Employee Performs Employee Selects
asked by Denese 
math geometry
if triangle ABC is a right triangle.If side AC=5 and side AB=10,what is the measure of side ABC?
asked by Anonymous 
Economics
Some games of strategy are cooperative. One example is deciding which side of the road to drive on. It doesn’t matter which side it is as long as everyone chooses the same side. Otherwise, everyone may get hurt. Driver 2 Left Right Driver 1 Left 0,0
asked by Michael 
geometry
If AB is opposite AC and AC is opposite AD , what can you conclude? Explain.
asked by Kim 
Math
The letters A,B,and C represent three different digits. Determine the number ABC if ABC + ACB  BCA
asked by Devin 
Math
Three brothers divide 17 candy bars. The oldest child gets 1/2, the middle child 1/3, and the youngest child 1/9. So that they do not have to cut any bars, Mom provides an extra one. The oldest child then takes 9 candy bars, the middle child 6, and the
asked by Devin 
Math
Let f(x)=ax^5+bx^3+cx+9, where a,b, and c are constants. If f(6)=17, determine the value of f(6).
asked by Devin 
Math
When the waiter was asked to slice the 16inch (in diameter) pizza into exactly 4 slices of equal size, he decided to do so using concentric circles rather than radial slices. Determine the radii of each of the three cuts he had to make.
asked by Devin 
Math
A circular tablecloth is draped over a rectangular table so that the center of the cloth is directly above the center of the table. The table is 6 X(times) 2sqrt(3)feet, and the cloth has a radius of 2 feet. What is the area of the portion of the
asked by Kate 
chemistry
why is it recommended to carryout iodometric titrations as quickly as possible and to get the first endpoint
asked by karthika 
Basic Math
I need help adding fractions with different denominators. Here is the problem... 1  1/2 + 1/3  1/4 + 1/5  1/6 I can see that the demoninators increase. Since they are both addition and subtraction, how do I do this problem? Thanks, Walter, New York.
asked by Walter 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
algebra
If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle
asked by kathy 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
calculus
2 forces F1 = 2i3j and F2 = 3i + 12j are applied at a point. What force F must be applied at the point to counteract the resultant of these 2 forces?
asked by Donny 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
algebra
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation?
asked by kathy 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
social studies
In the early colonization of both New France and New England, the French and English brought new ideas and ways that were strange to the Native Americans who already lived there. Even though, both Eur
asked by chris jones 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
maths
solve for x from (0.008)^x=1/25 i'm confuse help me
asked by Myk 
social studies
what were the conflicts between native american and europeans
asked by Ben w. 
Amazon
What services do fulfill ment stations provide to amazon?
asked by Anonymous 
social studies
The roles of key historical figures
asked by chris jones 
chemistry
19. Convert 15 ppm of benzene to mg/m3 at 20 oC and 720 torr Density of a gas is g/L = P(MW)/RT (740 torr x 1 atm/760torr)(78.114g/mole)/ (.0821L atm/mole K)(293K) = 3.16g/L 1ppm =1 L Benzene/106 L of air = 1L ben/1000 m of air = 0.001 L ben/m3 = 0.00316
asked by dan 
geometry
ABCD is a rectangle. A is the point (0,1). c is the point (0,6) the equation of the straight line through A and B is y=2x+1. (a)Find the equation of the straight line through D and C
asked by Anonymous 
math
The equation of the line is 6y+5x=15 The point (12,k) lies on the line. Find the value of k.
asked by Anonymous 
math
it is always possible to draw a circle which passes through all four vertices of a rectangle. Explain why.
asked by Anonymous 
mathinequalities
Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following: Interval notation
asked by phobia 
Economics
Rank in order from best to worst, the economic systems(command, market and mixed) according to which, in theory, best attempts to meet the conditions of The Human Development Index. Why did you rank them this way. I am thinking (in theory): 1command
asked by Jeff 
physics (centripetal acceleration)
The second hand and the minute hand on one type of clock are the same length. Find the ratio (ac,second/ac,minute) of the centripetal accelerations of the tips of the second hand and the minute hand.
asked by Gina 
physics!
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum
asked by Gina 
physics??
The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. Assuming the earth is a sphere with a radius of 6.38 x 106 m, determine the centripetal acceleration of a
asked by Gina 
Physics AP
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 27.8 m/s, the block hangs vertically down. But when the van maintains this same speed around an unbanked curve (radius = 196 m), the block swings
asked by Gina 
physics1
A 850kg race car can drive around an unbanked turn at a maximum speed of 61 m/s without slipping. The turn has a radius of 160 m. Air flowing over the car's wing exerts a downwardpointing force (called the downforce) of 11000 N on the car. (a) What is
asked by Gina 
8th grade Algebra
In a drawing for a dvd player, there are 100 tickets in a box.Five of the cards are marked with a star and the rest are marked with an X. To win, Carmen must draw two cards, without replacement, both of which are marked with a star. What is the probability
asked by Elizabeth 
Calculus
If a figure shows a function g(x) and its tangent line at the point B=(2,6.8). If the point A on the tangent line is (1.94,6.87), fill in the blanks below to complete the statements about the function g at the point B. g(___) = ______ g(___) = ______
asked by Cecille 
chemistry
can someone tell me how to draw the condensed structure for 4ethyl3,3,4trimethyloctane and 2methyl5(2methylpropyl)nonane
asked by jessie 
Principles of Business
Approximately how many people work in the: Finance Department? Sales Department? Purchasing Department? Personnel Department? Production Department? Marketing Department? Advertising Department? Legal Department? Administration Department?
asked by kerraerae 
managerial economics
assuming that the firm's goal is to maximize present value of the profits in the subsequent 5 years, which of the following flows of profit would achieve that goal? Justify your answer. Note that the flows are represented by 5tuples, i.e. five number each
asked by sheila 
Amazon
What services do fulfill ment stations provide 4 amazon? They provide warehousing and orderfulfillment for thirdparty sellers?
asked by Anonymous 
Math
I need to have 20,000 in the bank after 1 year can you tell me what my initial deposit must be if I have a intrest rate of 4% a year.
asked by Jones 
english 101
i need help on healthy eating what 3 credible sources from the internet
asked by pat 
Amazon
what is amazon exsclusive?
asked by Anonymous 
math
How much money must I start out with if I want to end up with 20,000 over 5 years with and intrest rate of 5% a year.
asked by Smith 
8th Grade Algebra
If Julie draws a card from a standard deck of wellshuffled playing cards, what is the probability that he draws either an ace or a heart?
asked by Elizabeth 
english 101
Identify the topic and three subtopics for healthy eating
asked by pat 
Math
Factor Completey: f(x)= x^7 +2x^6 8x^5 10x^4 +19x^3 +8x^2 12x
asked by Chris 
physics
A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 16° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 8.4 N, what is the tension in the rope?
asked by nate 
psych
Language Paper (12 points): This paper should be posted as a Word attachment in the Assignment Section and should be consistent with APA guidelines. Prepare a 1050 to 1400word paper in which you examine language as it relates to cognition. Address the
asked by jo 
algebra
Add x^2+13x+x^210x x^27x x^27x
asked by dee 
algebra
subtract x8=2/7 x+8
asked by dee 
Math
Theresa's company just bought 18 new computers. She was told that there would be a random drawing to see which employees got one of the new computers. If Theresa has 46 coworkers, what is the probability that she will get one of the new computers?
asked by Mark 
English
As I'm not a native speaker, I would like to know how to express my sentences in American English. Thank you very much for your help. 1)I sort my rubbish (trash) into four separate bins which are located in a kitchen cupboard under the sink: one is for
asked by Mike 
algebra
(6^2)^3
asked by dee 
college algebra
add 1 + 9 x+7 5x
asked by bill 
8th Grade Probability
A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green?
asked by Elizabeth 
chemistry
Why would it not be useful to just use pure ethanol or pure ethylene glycol as an antifreeze since their normal freezing points are 114.1 C abd 12C respectively.
asked by redgy 
Calculus
If a figure shows a function g(x) and its tangent line at the point B=(2,6.8). If the point A on the tangent line is (1.94,6.87), fill in the blanks below to complete the statements about the function g at the point B. g(___) = ______ g(___) = ______
asked by Cecille 
physical science
Atoms in a molecule are held together through shared __________.
asked by mason 
world history
007679 1. A staple food transplanted from Southeast Asia to the Mediterranean world as a result of the Islamic Empire was A. wheat. B. rice. C. yams. D. potatoes. 2. How did Alfred the Great secure his modern reputation as a statebuilder? A. He gave free
asked by heather 
U of M astronomy
if a planet has a period of 1 century, what is its average distance from the Sun in AU?
asked by pam 
world history
007680 1. During the fourteenth century, Japanese women of aristocratic rank A. saw marriage customs change to their detriment. B. were transformed because of their ability to hold their own property separately from their husbands. C. became freer due to
asked by heather 
world history
007681
asked by heather 
world history
007682
asked by heather 
algebra
Glenn invested some money is a certificate of deposit (CD) with an annual yield of 9%. He invested twice as much money in a mutual fund with an annualy yield of 12%. His interest from the two investments at the end of the year was $396. How much money was
asked by RNRH 
math
How many gallons of milk containing 5% butter fat must be mixed with 100 gallons of 1% milk to obtain 2% milk?
asked by RNRH 
math
A dealer has 10,000 gallons of unleaded gasoline. He wants to add just enough ethanol to make the fuel a 10% ethanol mixture. How many gallons of ethanol should be added?
asked by RNRH 
math
Lauren drove her car for 3 hours in a dust storm. When the skies cleared, she increased her speed by 30 miles per hour and drove 4 more hours, completing her 295mile trip. How fast did she travel during the dust storm?
asked by RNRH 
chemistry
What's the particle diagram of Carbon monoxide? Thank you
asked by Ellie 
math
Andy has 16 toy cars 2/5 are red, 3/4 are white what fraction of the cars are black?
asked by IS 
algebra
If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno, Oklahoma? After reaching El Reno, you might worry that your vehicle is running low on fuel. You know that your vehicle
asked by kathy 
Calculus
find derivative of w(x)= (23e^x)/4^x
asked by Emily 
Algebra
Use algebra to evaluate the limit lim h>0((2−h)^2−8)/h
asked by Cecille 
environmental 100
Which government agencies are involved with governmentowned lands
asked by Anita fields 
math
There are two positive numbers that can be inserted between 3 and 9 such that the first three are in geometric progression while the last three are in arithmetic progression. Find the sum of those two numbers.
asked by Sidney 
AlgebraIIReiny could you please checkI'm stuck
Sikve the following by using substitution method x=3y 5 6x18y = 30 I got this far and I'm stuck 6(3y5)  18y = 30 18y  30  18y = 30 30 = 30 So this doesn't make sense anymore
asked by JuliaAnne 
Derivatives
Find the derivative of g(t)=8t^2+9t at t=1 algebraically... g'(1)= _________
asked by Cad 
science
if you weigh 100 pounds on earth than how much would you weigh on each other planet in our solar system
asked by jack 
math
Solve for x: [Sixth root of 27]+[cube root of x] = 6/(3[square root of 3]
asked by Sidney 
Math
What is an interpet in mathmatical terms? i really need help with my homeework!
asked by Taylor 
Physics
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 56 km/h (35mph ). A new model of mass 1900 kg takes 0.15 s from the time of impact until it is brought
asked by kolin 
Business
What factors must be traded off by product development before introducing a new product?
asked by Jaison 
English
I forgot to include the following statements. Thank you very much for your help! 1) A camp instructor was thrown out of his raft and hit his head on the rock. 2) Though he lost consciousness, two of his students called the emergency services. 3) An
asked by Mike 
physics
omar throws a rock down with speed 12 m/s from the top of a tower. the rock hits the ground after 2 s. what is the height of the tower?
asked by Anonymous 
child development
(Penn Foster) 1 Neueon development and elaboration, which occurs between birth and age 10, is prompted by: A aural prompts from the famiy school and environment. Bphysical movement on the part of the child C Intake of foods rich in vitamins and
asked by Lina 
chemistry
35.0 g of an organic compound dissolved in 500. g of water have a freezing point of 3.72 degrees C. What is the molecular weight of the solute?
asked by Valerie 
international business
what effect might the economics socioeconomic forces wthin south korea have on a products potential
asked by kim 
physics
Assume acceleration due to gravity=10 m/s. A ball is thrown vertically upward from top of a building with speed of 20 m/s. On the way back ball misses the building and lands on the ground. Total time the ball is in air is 6 seconds. Determine the height of
asked by Mark 
probability
I was asked to find the probaility if a board game uses the deck of 20 cards. And find how many have the number 3. I came up with 4/20 and was told that I'm on the right track but I need to find P(3 and 3) with replacement and without replacement. What
asked by Madison 
general physics
Assume acceleration due to gravity=10 m/s. A ball is thrown vertically upward from top of a building with speed of 20 m/s. On the way back ball misses the building and lands on the ground. Total time the ball is in air is 6 seconds. Determine the height of
asked by mark matat 
physics
A 3.3kilogram block sliding down a ramp from a height of 4.5 meters above the ground reaches the ground with a kinetic energy of 35 joules. The total work done by friction on the block as it slides down the ramp is approximately: [1 d.p.]
asked by jon 
General Chemistry 1
If you heat copper sulfate pentahydrate to long or at too high of a temperature, what compound(s) is formed?
asked by matt 
environmental 100
What is a good environmental topic for my essay paper. I can't think of one. Help!
asked by Anita fields 
math
Stacy multiplied 5x9 and said the answer was 44. What two patterns could you use to show that her answer is not correct? ...
asked by scott 
math
60x30/60+30 20
asked by pavleen 
geometry
a rectangularshaped garden has a length of 40 feet and a width of 15.how many more square feet of garden could be obtained by increasing both the length and width by 10 feet
asked by nate 
math
eight year from now. Oana will be twice as old as her brother is now. Oana is now 12 year old. how old her brother now umm 10
asked by pavleen 
geometry
the lengths of the diagonal of a rhombus are 2 in and 5 in. find the measure of the angles of the rhombus to the nearest degree. if it helps, we are learning how to use tangent right now!
asked by Lily 
Math
Show me how to solve 3(+4x 1)
asked by bianca 
math
If a scale on a map is 2.5 cm to 30 miles..if two cities are 8 cm apart on the map what is the actual distance between the 2 cities? I have 96 miles but not sure if that is right.
asked by linda 
math
If there are 7:5 boys and girls in a class and there are 21 girls how many boy are there in the class?
asked by maddie 
math
write each ratio in simplest form 3.5 to 0.5
asked by linda 
algebra
V=1/3*6300*7 solve for V The answer is V=14700 how do you change 1/3 to a decimal or use 1/3 to solve the equation?
asked by jen 
math
the value of 3^5+3^5+3^5 is 3^6
asked by pavleen 
English
• Eliminating wordiness: 1. Seeing the barrels, the driver immediately slammed on his brakes. 2. A really wellstocked bookshelf should have classical literature on it as well as important modern works of the current day. 3. China’s enormously huge
asked by Anonymous 
biology
what are the four main sources or causes of disease causing agents?
asked by laidiah 
English
I still have a few doubts about the use of the gerund and infinitive in English. I hope you can have a look at these sentences, too. 1)I cannot resist drinking a glass of water. 2) He missed being tested. He missed being struck by the ball. 3) She caused
asked by Mike 
English
1. Have the salmon always (swam, swum) in this river? 2.After the sun has (rose, risen) everyone felt better. 3.Grandfather (lay, laid) out a pair of clean pants for you. 4.Thank you, but I have already (ate, eaten) lunch. 5.After a short rest, we (rose,
asked by Sam 
math
a teaher chooses a student at random from a class of 10 boys and 15 girls. Find the odds favor of and for the odds against each event. 1. choosing a girl 2. choosing a boy i don't understand odds of something please help.........
asked by megan 
Algebra 1
I do not understand how to figure out probability. Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the
asked by Bart 
English
what does it mean to not pass judgement on someone?
asked by Amy 
ELA
I need an interesting eyecatching hook, which relates to the theme Privacy and Security.
asked by Sumaiya 
Math
What has the biggest volume a ton of feathers or a ton of cement?
asked by Bobby 
Science. Please Help!
If you add 4 grams of KCl to 10g of water at 28 C, would the solution be saturated, unsaturated or supersaturated?
asked by Anonymous 
Health, Safety, and Nutrition (Penn Foster)
Health, Safety, and Nutrition 1. Today in class you’re going to talk to your students about Vitamin C and what it does for a person’s body. From which one of the following food groups should you select your snack for today? A. Bread, cereal, rice, and
asked by Lina 
all
could anyone tell me where to find good information on India sports and their actions and how that compare to the U.S.?
asked by hunter 
trig
At 2 points 95 ft apart on a horizontal line perpendicular to the front of a building, the angles of elevation of the top of the building are 25 degrees and 16 degrees. How tall is the building?
asked by Greg 
Chemistry
Rearrage the following equation to make sence, Q=CWxMxT
asked by Cassie 
physics
Proper design of automobile braking systems must account for heat buildup under heaving braking. Calculate the thermal energy dissipated from brakes in a 1460kg car that descends a 15.5° hill. The car begins braking when its speed is 92 km/h and slows
asked by Johnathon 
math 8th please help
a teaher chooses a student at random from a class of 10 boys and 15 girls. Find the odds favor of and for the odds against each event. 1. choosing a girl 2. choosing a boy i don't understand what the odds of something would be
asked by megan 
Chemistry
Ozone, O3, absorbs ultraviolet radiation and dissociates into O2 molecules and O atoms: O3 + hv > O2 + O A 1.10 L sample of air at 22 degrees Celsius and 748mm Hg contains 0.25ppm of O3. How much energy, in joules, must be absorbed if all the O3
asked by Jason 
math
wai ling averaged 84 on her first three exams and 82 on her next 2 exams.what grade must she obtain on her sixth test in order to average 85 for all six exams? 94
asked by pavleen 
Physics
Two students are on a balcony 24.3m above the street. One student throws a ball, B1, vertically downward at 12.5 m/s. At the same instant, the other student throws a ball, B2, vertically upward at the same speed. The second ball just misses the balcony on
asked by Aidan 
algebra
3x + 4 > 9, with x = 2 determine whether or not the solution provided is a solution to the inequality. If the value he or she provides is a solution, provide a value that is not a solution. If the value is not a solution, provide a value that is a
asked by Sam 
Physics
A rocket moves upward starting from rest with an acceleration of 32.5 m/s^2 for 4.52s. It runs out of fuel at the end of the 4.52 s but does not stop. How high does it rise above the ground?
asked by Aidan 
Physics
A small first aid kit is dropped by a rock climber who is descending steadily at 1.5 m/s. A.)After 3.1s, how far is the kit below the climber?
asked by Shannon 
math
2x(3y) 6xy
asked by pavleen 
Physics
A small block of mass m=1.9kg slides, without friction, along the looptheloop track shown. The block starts from the point P a distance h=52.0m above the bottom of the loop of radius R=19.0m. What is the kinetic ennergy of the mass at the point A on the
asked by Jean 
Physics
A small block of mass m=1.9kg slides, without friction, along the looptheloop track shown. The block starts from the point P a distance h=52.0m above the bottom of the loop of radius R=19.0m. What is the kinetic ennergy of the mass at the point A on the
asked by Jean 
FP/101
Why is it important to go through these steps when you are planning on making a large purchase?
asked by Pooh 
Grammar
my son has to pick out "key words" in a story. what are "key words" and can I get an example? Please and thanks.
asked by Steve 
math
LEt f and g be continous functions with the following properties i. g(x) = Af(x) where A is a constant ii. for the integral of 1 to 2 f(x)dx= the integral of 2 to 3 of g(x)dx iii. for the integral from 2 to 3 f(x)dx = 3A a find the integral from 1 to 3
asked by jimbo 
math
how much meters go in 38,000cm
asked by samantha 
math
8x+4/2
asked by pavleen 
social studes
i need help unscrambling puritans social studies letters like pitunsa crchhc and that equals to puritan church. PLEASE NEED HELP FAST this is due wen.feb.16 2011
asked by juliz 
consumer economics
Phonecia deposits $300 into a simple interest account that pays 3%. After 7 months what will be the total value of her account? A.$309.00 B. 305.25 C. $321.00 D. $9.00
asked by megan 
Spanish
33. Hace tres horas _____ el piano. Me duelen mucho los dedos. a. que toco b. yo toco c. qué toco d. me toca D? 34. Ayer fui a jugar tenis; ______. a. hoy me duele la nariz b. tengo frío c. me lastimé el brazo d. siempre me siento mal C? 35. Yo no tengo
asked by mysterychicken 
math
7xx= 6x
asked by pavleen 
English
1.It was so cold that the water in the fountain had _____. (freeze) 2.Masato's bike has _____ on the sidewalk all day. (lie) 3.Shelia has never ____ a mountain bike. (ride) 4.Last sprin Urbi and Joe _____ every morning. (swam) 5.Has the rider been _____
asked by Chris 
Algebra
Show that (12*x*y+1)/(x^2*yx) simplifies to 2/x
asked by Al 
english
Inthe short story ''the guest'' what does this quote mean ''...dirty white snow...''(Camus 9) Explain the quote interms of the figurative device. what is the theme? How does it connect to human nature? pls i really need your help. this work is due tomorow
asked by ted 
Physics please help!!
High speed stroboscopic photographs show that the head of a 188 g golf club is traveling at 52.5 m/s just before it strikes a 45.5g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 44.0 m/s. Find the speed
asked by Megan 
math
(5+ 4x)(33x)= 2+7x
asked by pavleen 
Chemistry
How much of a 500 ml bottle of 1.00 molar KCI solution should be diluted with deionized water to give 200.0 ml of a 0.100 molar solution
asked by Jane 
Physics
A range in a national park is driving at 47 km/h when a deer jumps onto the road 70m ahead of the vehicle . After a reaction of t seconds, the ranger applies the brakes to produce an acceleration of 2.00 m/s^2. What is the maximum reaction time allowed if
asked by Shannon 
chem
An experiment shows that a 114 mL gas sample has a mass of 0.167 g at a pressure of 721 mm Hg and a temperature of 32°C. What is the molar mass of the gas? so im suppose to find the molar mass but i thought that was the same as the g just converting it..?
asked by hannah 
math
If 3x>10 x
asked by pavleen 
Physics URGENT
A speeder passes a parked car at 35.0 m/s. The police car starts from rest with a uniform acceleration of 2.41 m/s^2. A.) How much time passes before the speeder is overtaken by the police car? B.) How far does the speeder get before being overtaken by the
asked by Shannon 
Physics URGENT
A tennis ball with a velocity of +10.7m/s to the right is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a velocity of 5.9 m/s (to the left). If the ball is in contact with the wall for 0.009s,
asked by Shannon 
Physics
A 360kg satellite is in orbit around the Earth 10000 km above the Earth's surface. (a) What is the weight of the satellite when in orbit? [Answer is in N] (b) What was its weight when it was on the Earth's surface, before being launched? [Answer is in N]
asked by MB 
algebra
how do u do this 1 over 2x^5 (rewrite to make it pozitive)
asked by algebra...help 
geography
Why does 10 degrees of latitude have a different distance at the equator than at the poles?
asked by Anonymous 
geometry
Why do you use 1/3 in volume formulas?
asked by Mick 
chemistry
find the pH of 10 mL of 1.00M solution after adding 10.00mL of indicator solution
asked by Anonymous 
science
wat are the 3 laws of motion...simple understandable definition plz thanks :)
asked by hii 
math
add 16 to k k + 16 = m use the rule and equation to make an input/output table?
asked by shontel 
FSU
*Explain the meetings that resulted in the Japanese seeing “RollsRoyce, RollsRoyce, Ford,” and how was this part of Americans “clamoring for the outlawry of war?”
asked by Iris 
math
23 students went to the school store, 17 bought pencils,12 bought paper, how many purchased both?
asked by krista 
American History
So we have to draw some sort of picture that show manifest Destiny but it has to be like from MexicanAmerican war time.. i have NO CLUE what to draw. Help me PLEASE?!?!?!?!
asked by 8th Graderin URGENT Need!!! 
hcs/335
I need to finish a paper and i cant think of any issues that could affect his decision. what are some ethical issues that could affect a medical assistant's decision to prescribing meds?
asked by bobbi 
geometry
what is the area of a trapazoid h=6,b1=5,b2=3
asked by bj 
history
*Explain the meetings that resulted in the Japanese seeing “RollsRoyce, RollsRoyce, Ford,” and how was this part of Americans “clamoring for the outlawry of war?”
asked by Iris 
AP PHYSICS MECH.
In Figure 962, block 2 (mass 1.3 kg) is at rest on a frictionless surface and touching the end of an unstretched spring of spring constant 160 N/m. The other end of the spring is fixed to a wall. Block 1 (mass 2.1 kg), traveling at speed v1 = 4.0 m/s,
asked by vm 
Physics
Two objects attract each other gravitationally with a force of 2.3×10−10 when they are 0.21 apart. Their total mass is 4.50 . Find their individual masses.
asked by Kevin 
chem
A balloon holds 29.3 kg of helium. What is the volume of the balloon if the final pressure is 1.2 atm and the temperature is 22°C? using the equation pv=nrt would i put 29.3 kg in place of n? but n has to be in moles so how do you convert that? thanks
asked by hannah 
science
can you give me a websight on electrons.
asked by Stanly 6th grade 
CRIMINOLOGY
what are the three most prominent elements of socialization?
asked by Sam 
math
deon runs 3 miles in 35 minutes. At the same rate, how many miles would he run in 84 minutes?
asked by john 
Science
For this assignment, think about the impact that two (2) of your meals have on our world from an ecological and economic perspective. You can pick breakfast, lunch or dinner, and then answer the following questions. in 1,000words, using APA style
asked by Jessica Jenkins 
physics
A 3Kg projectile is fired straight upward from earth's surface with a speed that is onefourth the escape speed. Neglecting air resistance. a) What is the Kinetic energy of this projectile when it is launched? b) what is the gravitational potential energy
asked by rick 
chemistry
the gas in the discharge cell of a laser contains(in mole percent) 11%co2, 5.3%N2 and 84%He. what is the molar mass of this mixture?
asked by Anonymous 
.....
what is the possessive noun in "the purses of the ladies"
asked by chelsea 
Math
A speaker was so boring that onehalf of the audience left after a few minutes. Five minutes later, onethird of the remaining audience left. Ten minutes later, onefourth of those remaining left, leaving only nine people in the audience. How many people
asked by sam 
math
Find the percent increase in the area of a circular pizza if the radius is increased from nine inches to ten inches.
asked by john 
College algebra
Write the equation of m=6/7 through (0,3) in standard form
asked by Tommy 
College algebra
Write equation m=9/8 through (6,4) in slope intercept form
asked by Tommy 
math
A peddler is taking eggs to the market to sell. The eggs are in a cart that holds up to 500 eggs. If the eggs are removed from the cart 2,3,4,5, or 6 at a time, one egg is always left over. If the eggs are removed 7 at time, no eggs are left over. How many
asked by tom 
College algebra
Write the equation parallel to y=2 (3,6) Equation perpendicular to y=5 (4,7)
asked by Tommy 
math
The year 1991 was the last year of the twentieth century whose number is a palindrome, that is, reads the same backward and forward. How many years between the years 2000 and 3000 will be palindromic?
asked by jay 
Algebra
I would like to know if I did these problem right? y + 2x =3 Y +2x=4 Y+2*x3=0 y=2*x+4=0 If not can you show me the steps
asked by Donna 
Math
4x2squared +9 \3(8+3)
asked by Derek 
Physics
What is the emf of a battery with a 0.15 Ω internal resistance if the battery delivers 1.5 A to an externally connected 5.0 Ω resistor?
asked by Adam 
Language Arts
Hello! I have to write a summary of a book that I've read, and I've been writing it, and I'm worried I'm putting in too much detail/making it too specific/too long? I wasn't sure if I'm supposed to summarize the whole plot in a couple of paragraphs, or if
asked by Michelle 
math
If Juan can consume in one sitting one medium (12inch diameter), deepdish (1inch thick) pizza, what is the minimum volume of his stomach?
asked by jay 
social studies
what was a puritan business charter? why was it important? and why did king chrles stopped giving out the charter? Can you explain the importance of this charter? please. thank you:)
asked by samantha 
history
"Rather than a radical departure from capitalism, the New Deal was a conservative defense of capitalism." Assess the validity of this statement.
asked by Lilly 
phusics
A ball is thrown vertically upward from top of a building with speed of 20m/s. On the way back ball misses the building and lands on the ground. Total time the ball is in air is 6 seconds. Determine the height of the building.
asked by mark matat 
PhysicsResonance
A 3.00 m long pipe is in a room where the temperature is 20 C. What is the fundamental frequency if the pipe is closed at one end? Would this count as an open pipe still, or a closed pipe? This is what I did. Wavelength = 2L/n Wavelength = 2(3)/1
asked by Dan 
science
what keeps the moon traveling in the same path eah time it orbits earth
asked by liz 
matemáticas
El perímetro de la base rectangular de un piano es de 16 pies. ¿Cuáles son todas las dimensiones posibles del piano, usando sólo números enteros de los pies?
asked by Cole Tomlinson 
Amazon
Is amazon exclusive like a thing you have to pay for to watch or see. usually exclusive things are only for membership.
asked by Anonymous 
geometry
Find the area of a rectangle that has one side measuring 10 cm. and a diagonal measuring 26 cm.
asked by marissa 
Amazon
How does Amazon produce consumer faith in amazon site and its products?
asked by Anonymous 
Math
If a bug crawls 2cm up and 1cm down each day how long does it take for the bug to reach the top of a 12cm jar
asked by Janet A 
algebra 2
I am so stuck on this factoring thing. how do you solve: 1)15a(squared)b10ab(squared) 2)x(squared)8x8 3) 6p(squared)17p45 4)2r(cubed)+250 5)x(to the 6th power)64 6)x(squared)xy+2x2y 7)x(to 4th power)1
asked by Cass 
College algebra
Graph f(x)=2(x+1)^2+4 Graph f(x)={2 if x>1 5x if x
asked by Tommy 
Amazon
What is an astore? aStore is an Amazon joining product which website owners can use to create an online store on their site
asked by Anonymous 
Amazon
y would businesses want to use aStore on Amazon? Is it because it is free worldwide to use?
asked by Anonymous 
math
simplify 24 divided by 1/2 +5/8*6/7
asked by shantrese 
math
simplify 4[7(2+8)]
asked by shantrese 
math
solve 7(114w)15 = 27(5013w)
asked by shantrese 
calc
The sun is shining and a spherical snowball of volume 210 ft3 is melting at a rate of 14 cubic feet per hour. As it melts, it remains spherical. At what rate is the radius changing after 3 hours?
asked by Bubba 
math
solve for d k=2c9d/8
asked by shantrese 
math
solve using set builder notation 811(3x+7)less than or equal to 40x9
asked by shantrese 
English
1.I have often (dream) of becoming a great writer. 2.I (drink) two glasses of orange juice at breakfast today. 3.Their new boat (sink) in six feet water. 4.Generation have (take) wood and food from the rain forests. 5.The canal has (freeze), and the ferry
asked by Jack 
Physics
A car travels in a straight line for 5.4 h at a constant speed of 79 km/h . What is its acceleration? Answer in units of m/s2.
asked by Diana 
Physics
A glacier moves with a speed of 42 nm/s. How many years would it take for the glacier to move 0.78 km? Answer in units of yr.
asked by Maria 
exponents
how do i find the value of exponents
asked by jessica 
Chemistry
What is the purpose of baking a chemical pie?
asked by Jae 
Science
How might pollen be carried from the anther to the female part of the flower?
asked by Julie 
Algebra 1
Solve the following system of equations: x^2+y^2=24 xy=2
asked by Laura 
marketing
Briefly describe your selected problem when buuying a car?
asked by jeniffer 
Geometry
A right triangle has an angle that measures 55 degress. The leg adjacent to this angle has a length of 43 cm. What is the length of the triangle? Round to the nearest tenth
asked by Marco 
Geometry
The hypotenuse if a right triangle measures 9 inches and one of the acute angles measures 36 degress. What is the area if the triangle? Round to the nearest square inch.
asked by Marco 
math
Prove that if p is a prime number and p is not equal to 3, then 3 divides p^2 + 2. (Hint: When p is divided by 3, the remainder is either 0,1, or 2. That is, for some integer k, p = 3k or p = 3k + 1 or p = 3k + 2.) I thought you might do three cases with
asked by Meg 
math
made a mistake in the problem: 7(114w)15w = 27 (5013w)
asked by shantrese 
Science
The volume of a solution was measured in a graduated cylinder (shown above). If the mass of solution is measured to be 60.75 grams, what is the density of the solution?
asked by Niicly 
Amazon
y would businesses want to use aStore on Amazon?
asked by Anonymous 
Algbra
I need help with the following question. Solve for y: 3x  2y = 8 + x Please show the steps and the answer, thanks.
asked by Zach 
math
what is a short and easy way to find the least common multiples
asked by Romaris 
math
write slope intercept equation for the line that pass through (2,7) and (4,13)
asked by shantrese 
math
write the slope intercept equation for the line that pass through (12,10) and is perpendicular to 4x+6y =3
asked by shantrese 
Calc
The sun is shining and a spherical snowball of volume 210 ft3 is melting at a rate of 14 cubic feet per hour. As it melts, it remains spherical. At what rate is the radius changing after 3 hours? I posted this question before and when i went back and did
asked by Bubba 
Spelling/Grammar
_____ of the nature center is one of the year's goals. What is the answer... from the word box? _______________________________________ WORD BOX _______________________________________ 1. Persuasion 2. Discrimination 3. Expansion 4. Opposition 5.
asked by Jessica 
math
the number of dogs taken in daily at a local animal shelter increased from 4 in october 2009 to 10 in january 2010. predict the number of dogs taken in daily in may 2010.
asked by shantrese 
Physics
A glacier moves with a speed of 42 nm/s. How many years would it take for the glacier to move 0.78 km? Answer in units of yr.
asked by Maria 
Physics
A glacier moves with a speed of 42 nm/s. How many years would it take for the glacier to move 0.78 km? Answer in units of yr.
asked by Maria 
math
If n(B) = 15, n(A B) = 25, and n(A B) = 3, find n(A).
asked by Nicole E 
math
during one year the Wagners real estate bill included $600 for local schools. Of this amount, $150 went to the high school district. what percent did the Wagner family pay to the high school district?
asked by shantrese 
Calc
A lighthouse is fixed 130 feet from a straight shoreline. A spotlight revolves at a rate of 11 revolutions per minute, (22 rad/min ), shining a spot along the shoreline as it spins. At what rate is the spot moving when it is along the shoreline 12 feet
asked by Bubba 
Math
Write a function rule to describe each situation The sellings price s(c) after a 45% markup of an item as a functiom of the stores cost c.
asked by Please help 
math
What multiplication fact could you use to find a number that can be divided evenly by 8 and by 9?
asked by Anonymous 
Trigonometric Ratios
Right traingle ABC is graphed pm the coordinate plane and has vertices at A(1,3), B(0,5), and C(4,3). What is the measure of angle C to the nearest degree? F:27 G:29 H:32 J:43
asked by Marco 
math
Computers manufactured by a certain company have a serial number consisting of a letter of the alphabet followed by a sixdigit number. If all the serial numbers of this type have been used, how many sets have already been manufactured?
asked by Mike 
math
average of 65,49,24,15
asked by Anonymous 
Chemistry
I am doing a Catalase lab (Enzymes) I don't understand this question: What are the controls in the experiment?
asked by Joey 
Math
a 6 ft adult has a shadow 3.6 ft long. How long is the shadow of a 5 ft child standing next to the adult?
asked by Michael 
math
A student planning her curriculum for the upcoming year must select one of four business courses, one of four mathematics courses, two of ten elective courses, and either one of four history courses or one of four social science courses. How many different
asked by Kim 
Math
Write a function rule to describe each situation The sellings price s(c) after a 45% markup of an item as a functiom of the stores cost c.
asked by Please help 
Pre Calc
Solve the nonlinear inequality: x^35x^214x
asked by Giselle 
Pre Calc
Solve the nonlinear inequality: x^35x^214x
asked by Giselle 
Math
Solve by the elimination method 7xy=17 x+7y=31 What is the solution of the system?
asked by Jessica 
algebra
9x  7 = 6x + 3 x = ___ Only type in the numeric answer in the box below and round your answer to the nearest tenth!
asked by Anonymous 
English
1.We (see) tropical fish in the warm waters surrounding the island. 2.Have you (speak) to your parents about the field trip? 3.Teresa has (choose) the smallest piece of chicken. 4.Yesterday someone on the radio (sing) a song about Brazil. Just seeing if I
asked by Jack 
math
given the linear equation y = 2/3x 2. find y coordinates of the points (9) (3) and (6)
asked by shantrese 
math
find the x and y intercepts 5x+9y = 45
asked by shantrese 
Math
Find the quotient of l 4/5 divided by l/3
asked by Kendra 
math
find the y intercept of the line in the given equation y = 3/4x2
asked by shantrese 
Geometry
How do you solve 3= 9 =6y x 2x+5 20
asked by Meg 
math
write the slope intercept equation for the line with slope 1/2 and y intercept (0,5)
asked by shantrese 
math
A 75ft diagnol brace on a bridge connects a support of the center of the bridge The horizontal distance that it spans is 15ft longer than the hieght that reaches on the side of the bridge.Find the horizontal and vertical distance spanned by this brace
asked by timothy 
Math
Mrs.Chou placed 45 cookies on a plate, and 36 of the cookies were chocolate chip. What percent of the cookies on the plate were NOT chocolate chip?
asked by MathDude 
english hs
what else can you say beside "thank you" to an interviewee??
asked by niel 
chemistry
A metal whose threshold frequency is 9.02×1014
asked by soso 
Math
It's a trapeziod where the height is 13.8 in. and there is two lengths 8in. And 18 in. what is the area?
asked by Justin 
business math
The parents of a child have just come into a lare inheritance and wish to establish a trust fund for the child's college education. If they estimate that they will need $100000 in 13 years, how much should they set aside in the trust now if they can invest
asked by msh 
English
Using the correct form of (eat, ate, sit, set) 1.Someone (eat) all the leftover sandwiches. 2.Thank you, but I have already (ate, eaten) lunch. 3.After splitting the logs, the farmer (sat, set) his ax on the ground. 1.ate 2.eaten 3.set
asked by Jack 
area
what is the total area of the four walls of a rectangular room 4 meters long by 5.5 meters wide by 3 meters high? is it 4 times 5.5? then times four since there are 4 walls? 88m squared?
asked by Skye 
Spanish
33. Hace tres horas _____ el piano. Me duelen mucho los dedos. a. que toco b. yo toco c. qué toco d. me toca D? 34. Ayer fui a jugar tenis; ______. a. hoy me duele la nariz b. tengo frío c. me lastimé el brazo d. siempre me siento mal C? 35. Yo no tengo
asked by mysterychicken 
chemistry
A 5 mL dose of Milk of Magnesia contains 400 mg of magnesium hydroxide. What mass in grams of HCl can it neutralize? Balanced equation= Mg(OH)sub2 + 2HCl> MgClsub2(aq) + 2Hsub2O
asked by Janette 
Physics...
A burn produced by live steam at 100oC is more severethan one produced by the same amount of water at 100oC.Verify this, calculate the heat that must be removed from 5.0 g ofwater at 100oC to lower its temperature to34oC.. Then calculate the heat that must
asked by Femfatal 
Science fir 11 yr olds
Experiment in rust: does anhydrous calcium chloride in solid form prevent rust on matal nails is submerged for 5 days? Is it available in liquid form? If yes, does that prevent a nail from rusting after 5 days? Many thanks
asked by Fazlyn 
Algebra 1
I do not understand how to figure out probability. Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the
asked by Bart 
math
Brian recorded the amount of money he spent over the last 5 days. He knows that the average amount of money he spent was $25.72. On four of the Five days, Brian spent $15.50, $28.41, $31.02, and $10.66. Determine how much Brian spent on the fifth day.
asked by taylor 
Physics
The builders of the pyramids used a long ramp to lift 21000kg (21ton) blocks. If a block rose 0.86 m in height while traveling 20 m along the ramp’s surface, how much uphill force was needed to push it up the ramp at constant velocity?
asked by Olga 
Math plz help
The shoe sizes and the sizes for men Positve, Negative, or no correlation?
asked by Please Help 
Semicolon
Marielle, the coordinator, was eager to begin the speeches, awards presentation, and banquet, but the guest speaker, who was flying to Chicago, had not arrived. Do I need a semicolon in this sentence?
asked by Aj 
physics
You push a 1.9 kg block against a horizontal spring, compressing the spring by 13 cm. Then you release the block, and the spring sends it sliding across a tabletop. It stops 60 cm from where you released it. The spring constant is 200 N/m. What is the
asked by Jacob 
Physics
A particle is traveling in a straight line at a constant speed of 25.4 m/s. Suddenly, a constant force of 12.8 N acts on it, bringing it to a stop in a distance of 58.6 m. How long does it take to stop and what is the mass of the particle? *Don't I need
asked by Bryce 
math
penny has 25 dimes. she likes to arrange them into three piles, putting an odd number of dimes into each pile. in how many ways could she do this?
asked by ana 
trig
A man standing 9 meters above the ground observes the angles of elevation and depression of the top and bottom,of the top of the monument in luneta 6 degrees and 50 minutes and 7 degrees and 30 minutes respectively.Find the height of the monument?
asked by wenjelin