# Posts by sammy

Total # Posts: 705

math correct not correct
yay you got it just make sure to show your work " u

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

spanish
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

chemistry
a mixture of gases contains 0.4 mole of N2, 0.5 moles of O2, and 0.7 moles of H2. What is the partial pressure of O2 if the total pressure is 1.3 atm?

Physics
A ball is thrown straight upward and returns to the thrower's hand after 3.40 s in the air. A second ball is thrown at an angle of 29.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown vertically?

kwame nkrumah university , ghana
freepassion_sam then we can start even if u have finished

kwame nkrumah university , ghana

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?

Physics
Aaah...Thank YOu!!!

Physics
Brett Favre is traveling from Minneapolis to Green Bay at 40mph. Aaron Rodgers is traveling from Green Bay to Minneapolis at 50mph. If they leave at the same time, how far from Minneapolis will they meet? Green Bay and Minneapolis are 260 miles apart.

3 points on a line Q,P,R (In order) if QP =2x and QR =2x+1 and PR =21 Solve for x

Chem Webwork help
1. What is the pH when enough 0.10 M Base (in mL) is added to neutralize 8 mL of 0.10 M Acid? Complete the following table. NaOH HC2H3O2 2. What is the pH of the solution created by combining 2.60 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of ...

college
YOu come to work on a Monday morning and find that the office computer is not workingt. The system manager tells everyone that the computers hard disk crashed and that all data that were not backed up are lost. What do you do?

Poetry
my computer wint allow me to see this website or webpage.

Poetry
i need some examples of simile, metaphor, and personification. From not any website

Math
Increasing \$100 by a certain percent produces the same result as decreasing \$300 by the same percent. What is this percent?

chemistry
hydrogen and oxygen gas combine explosively to produce water. write a blanced equation for this process. if 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?

Science
2NO2. how many grams of NO2 will be produced with 5.00 moles of NO React? what would the working out of this be?

physics
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 conductors attract each other. ...

Analogy
Analogy: broom is to sweep AS brush is to _____________ 5 letter word that starts with either scr, spr, str, or thr. I've been trying to figure this out but I can't. I need help.

Need help with an analogy. brother : mother fly : _ _ _ _

Math
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.

Math
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?

Math
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

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

Classroom Management Techniques
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 in the deepest portions...

social studies
What would most likely happen if the Canadian government overruled the current laws protecting French language and heritage in the province of Quebec?

Chem
How would increasing the volume of the reaction vessel affect these equilibria. You don't have to tell me the answers, but can you please explain to me how I get the answer. a) NH4Cl(solid) <===> NH3(gas) + HCL(gas) b) N2(gas) + O2(gas) <===> 2NO(gas)

Chemistry
Why does changing the volume of the reaction vessel have no effect on this equilibrium? CO(g) + Fe3O4(s) <===> CO2(g) + 3FeO(s)

chemistry
a chemist reacts 8.85g or iron with an excess oh hydrogen chloride to form hydrogen gas and iron(II)chloride.calculate the theoretical yield and the percentage yield of hydrogen if 0.27g H2 are collected

CHEM
If 335g water at 65.5 degC loses 9750 J of heat, what is the final temperature of the water?

math
Write as fractions. a. 1/2 of 3/4 b. 1/3 of 3/5 c. 3/4 of 1/6

Chemistry
If 430 mL of 0.837 M aqueous HNO3 and 23.5 g of solid Al are reacted stoichiometrically according to the balanced equation, how many grams of solid Al remain? Round your answer to 3 significant figures. 6HNO3(aq) + 2Al(s) → 3H2(g) + 2Al(NO3)3(aq)

math
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?

Physics
Hi, I tried this question...should we use g as -9.8m/s^2?

Physics
A force of 4.3 x 10-15 N acts between an electric dipole with dipole moment 2.3 x 10-29 C m and an electron. How far away from the dipole is the electron located when it travels along the dipole axis?

Physics
A hydrogen atom consists of a positively charged proton (nucleus) and a negatively charged electron. The following is correct due to Coulomb's law: a.The two particles repel each other b.The electron accelerates toward the proton c.The electron and proton are in mechanical...

Microeconomics
Explain how the supply of new housing interacts with shifts in the demand for owner-occupied housing in your neighbourhood or an area with which you are familiar. In what ways does the mechanism differ from that which exists normally in markets for consumer goods such as ...

Chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 425C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature is ...

Physics
Sorry for the repost, i made a typo in the original post's subject. 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 ...

physis
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 given for this ...

Chemistry
Assuming it behaves as an ideal gas, calculate the temperature of a sample of He whose molecules have an average translational kinetic energy of 1.14E-23 kJ/molecule.

algebra
Asked question wrong last time. New question with description of how to figure it out please. What is the value of 3t+7 given -2t+1 =3

algebra
What is the value of 3t+7 when you know -21t+1=3 I need to know how to figure this out not just the answer. Thank you

social studies
what is a nobleman

Calculus
im asking the rate of convergence as the order such h^2? h^3? etc

Calculus
Find the Rates of convergence of the following functions as h->0 lim h->0 sin h - hcosh ------------- = 0 h Find the Rates of convergence of the following functions as n->inf lim (Sin (1/n))^2=0 n-> inf

algebra
Qaud Forumula -b+-sqrt(b^2-4ac) / 2a 3x^2-2x-4=0 a = 3 b = -2 c= -4 -(-2) +- sqrt((-2)^2-4(3)(-4))/ 2(3) = 2 +- sqrt(52) / 6

hca 270
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 glossary of ...

Physics
Alcohol flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 41.9 cm2 to A2= A1/3. The pressure difference Δp between the wide and the narrow sections of the pipe is 11.1 kPa. What is the volume flow rate ΔV/Δt of the alcohol? ...

Physics
An object has a mass of 0.5 kg. It undergoes a simple harmonic motion. The amplitude of that motion is 0.07 m and the period is 0.31 s. What is the total energy of the object?

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

Math
If a circle has the radius of 6 and it is at the orgin, what are seven points on the circle. I already have four and I need three more. So far I have, (6,0) (0,6) (0,-6) and (-6,0). What am I missing. I also can't write any decimals for the points, but it can be expressed...

math
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?

math
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 reals, f(0)=0, F ...

math
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 reals, f(0)=0, F ...

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

math
i am the one who asked the question

chemistry
Could someone explain dipole-dipole forces for me?

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

what solids and liquids used i house

Physics
There is a 12mm high object that is 10 cm from a concave mirror with a focal length of 17 cm. (a) Where (B) How high, and (C) what type type is its image. For C i got real inverted and reduced but how do you do parts A and B

Physics
There is a 12mm high object that is 10 cm from a concave mirror with a focal length of 17 cm. (a) Where (B) How high, and (C) what type type is its image. For C i got real inverted and reduced but how do you do parts A and B

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

social studies
Prince Edward Island

Physics
What angle should you rotate a mirror so that a reflected ray rotates through 28 degrees. I got 20, but i am not sure, please help

Algebra 1A
HELP!!! Translate to an inequality. Use the variable x. The price of an amusement park ticket is greater than or equal to \$12. The inequality is _ _ \$ _. Simplfy your answer. Put the variable on the left side of the inequality. Than you!

Home and Careers
What are the seven areas or personal grooming?

MATH
Divide if possible 48/-8 select the correct choice below and fill in any answer boxes in your choice A.48/-8= B.The answer is undefined.

Math
Solve. 8x+4=4x+5= the solution is x= simplify your answer. Type an integer or fraction

ECONOMICS
The demand for gasoline is less elastic in the short run than in the long run. Which of the following is a reason for this? (A) If the price of gasoline is relatively high for a long time, consumers are more likely to buy more fuel-efficient cars. (B) In the short run, the ...

Physics
The freezing point depression of a .100 m solution of NaCl solution is .34C. Calculate the percent dissociation of NaCl.( Kf for water=1.86) Please help

Physics
There is a rod that is 55 cm long and 1 cm in radius that carries a 8 uC charge that is ditributed uniformly over its entire length. What would be the magnitude of the electric filed 4.0 mm from the ord surface, not near either? So far I have 2(8*10^-6)(9*10^9)/.55=261818 then...

Chem
When salt is spread on a snow-covered road at -2C, the snow melts. Though when the same amount of salt is spread on the snow covered road at -30C, nothing happens. Explain? Is this diue to beinf ionic, and nonvolatile vapor and volatile vapor pressure?

Chem
Which compound does not dissociate a. table sugar b. NaCl C. MgCl2 D. CaCl2 I say b becasue it dissociates 90%, right?

Chem
Wwhich compound does not dissociate? a. Table sugar

Chem
If you had a 5.55 M solution of NaCL that has a density of 1.025g/ml at 20C, what would the concentration be of the solution in molarity.I got .541 m am I right or my calculation totally off?

Physics
There is a rod that is 50cm long and has a radius of 1cm that carries a charge of 2uC distributed uniformly over its length. What would be the value of the magnitude of the electric field. (a) 4.0 mm from the rod surface, not either end So far I have 2(8*10^-6)(9*10^9)/.55=...

Physics
There is a rod that is 50cm long and has a radius of 1cm that carries a charge of 2uC distributed uniformly over its length. What would be the value of the magnitude of the electric field. (a) 4.0 mm from the rod surface, not either end So far I got E1/4density-2pie0r or E= 2(...

Econ
Suppose that the government decides to charge cola consumers an excise tax. Before the tax, 12 million cases of cola are sold every month at a price of \$3.50 per case. After the tax, 6 million cases of cola are sold every month; consumers pay \$4.00 per case and producers ...

Physics
There is an electric field in a certain region that is defined as E=axihat, a is N/C and x is defined by the position in meters. What is the volume charge density in the region. So far I did 32p=(32)(8.85*10^-12) I got 3.54*10^-10, where did I go wrong?

Physics
There is a figure with a +2.0 UC charge on the left and a -2.0 uC charge on the right. P is in the center between the two charges. They are 5.0 cm apart. 1) Find the electric field 5.0 cm to the left of P. 2) Find the electric filed 5.0 cm directly above P. 3) Find the ...

Physics
There is a proton that is at the origin and an ion at x1=6 nm. If the electric field is zero at x2= -3 , what is the charge on the ion? All I ahve for this is 2q/d^3=-e/x1^3 q=9*10^9 d=9 e=1.602*10^-19 x1=6 I get -2.7. They want an integer so i put up -3. What am I doing wrong?

Physics
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm. Find the elctric force on the proton for Fx and Fy. For my total force I got 7.53*10^-11N For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N. Where did I ...

Physics
There is a 85 uC point charge at the origin. What is the electric field at the point x= -45cm , y= 55cm. I am doing (-.45+.55)/(-.45^2+.55^2)^3/2 Where did I go wrong? I have to find the elctric point for the Ex and Ey.

Physics
A -3.5 uC charge experiences a 13N i hat electric force in a certain electric field.What would the force be for a proton experience in the same field? I amd doing this 13/-3.5=-3.7 then multiplying 1.6*10^19 where did i go wrong

Physics
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm. Find the elctric force on the proton for Fx and Fy. For my total force I got 7.53*10^-11N For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N. Where did I ...

Physics
There is a figure q1= 23 uC and q2= 16 uC. The force on q1 points in the -x direction. q1 is at (0,1) q2 is at (2,0) q3 is at (2,2) What is the magnitude of the force on q1? I am doing this (9*10^9)(23*16)(-4ihat)7^3 where did i go wrong?

Econ
Suppose a new type of pest, which is immune to existing pesticides, attacks the wheat crop. As a result, at a given quantity of clothing, the economy is able to produce fewer bushels of wheat than before the attack of the new pests. Adjust the PPF curve to show the economy'...

Physics
There is a proton that is at the origin and an electron at the point x= 0.42nm and y=0.36nm. Find the elctric force on the proton for Fx and Fy. For my total force I got 7.53*10^-11N For my x direction I got 5.8 *10^-11N, and for my y dirction i got 5.1 *10^-11N. Where did I ...

Physics
The Earth is surrounded by an electric field on its surface that points toward the center of the Earth with an average magnitude of 150 N/C. If there is an electron that is released in vacuum at the Earth’s surface, what will the acceleration due to the Earth’s ...

math
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

math
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

English
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.

Science
What electrical appliance uses a 1.5 Volt battery?

World War 1
HOW MANY SHIPYARDS DID WE HAVE DURING WORLD WAR 1?

language(involes songs)
MAYBE A KIND OF FASTISH AND PANICKY SONG BECAUSE THERE IS A FIRE.

science
I think it is rice because popcorn can not fit together without crumpling and rice sticks really well together.

The hiking territory was 500 sq. feet.

division