Questions Asked on
February 2, 2013

Chemistry Problem
Consider an ionic compound, MX, composed of generic metal M and generic halogen X. The enthalpy of formation of MX is ÄHf° = –457 kJ/mol. The enthalpy of sublimation of M is ÄHsub = 121 kJ/mol. The ionization energy of M is IE = 433 kJ/mol. The
asked by Anonymous 
Physics
Rank in order the following according to their speeds, from fastest (1) to slowest (5): (i) 425nmwavelength light through a pane of glass, (ii) 500nmwavelength light through air, (iii) 540nmwavelength light through water, (iv) 670nmwavelength light
asked by Cassie 
Physcs
A twoslit pattern is viewed on a screen 1.17 m from the slits. What is the width of the central bright fringe, if the third dark fringes on either side are 26.4 cm apart?
asked by Michael 
chem
The decomposition of sulfuryl chloride (SO2Cl2) is a firstorder process. The rate constant for the decomposition at 660 K is 4.5 102 s1. (a) If we begin with an initial SO2Cl2 pressure of 425 torr, what is the pressure of this substance after 74 s? what
asked by Hannah 
Physics
A 1500 W room heater is used daily for 4 hours during winter. If the cost per kWh is $0.5, what is the monthly (30 days) expense in using the room heater?
asked by help please? 
MATH
I need help idk how to do this... Select the measure of the complement or supplement of the angle. If there is no complement or supplement, select no complement or supplement. 55.1° (1 point) 124.9° 119.9° 49.9° no complement or supplement
asked by Gabby 
Chemistry
54.0 mL of a 1.50 M solution is diluted to a total volume of 258 mL. A 129mL portion of that solution is diluted by adding 165 mL of water. What is the final concentration?
asked by Sara 
Physics
When a light passes from glass to air, which of the following is correct for the path of the light?
asked by ............ 
history
what do you think contributed to the jump in productivity among american workers during world war 2?
asked by raul 
Chemistry
Can someone pls help me!! You decide to establish a new temperature scale on which the melting point of ammonia (77.75 C ) is 0 A, and the boiling point of ammonia (33.35 C ) is 200 A. What would be the boiling point of water in A ? What would be the
asked by Greg 
Physics
A circular loop with 30 turns and area of 0.25 m2 rotates at 100 rad/s. The axis of rotation of the loop is perpendicular to the direction of the magnetic field of 0.04 Tesla. What is the maximum emf induced in the loop?
asked by fred 
statistics
Suppose 1,600 of 2,000 registered voters sampled said they planned to vote for the Independent candidate for president. Using the 0.95 degree of confidence, what is the interval estimate for the population proportion (to the nearest tenth of a percent)?
asked by Eric 
Physics
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that acts perpendicular to the flow of current in the conductor?
asked by fred 
Statistics
Accidents on a bike path. Examining the location of accidents on a level, 5mile bike path shows that they occur uniformly along the length of the path. Figure 3.4 displays the density curve that describes the distribution of accidents. (a) Explain why
asked by Mary 
physices
A simple pendulum is made from a bob of mass 0.04 kg suspended on alight string of length 1.4m. Keeping the string taut, the pendulum is pulled to one side until it has gained a height of
asked by betiglu 
Physics
The second harmonic of a guitar string has a frequency of 120 Hz. What is the length of the guitar string if the speed of the waves on the string is 110 m/s?
asked by anonymous 
Physics
Two positive charges of 6 �C are separated by a distance of 50 cm in air. What is the electric field strength at the midpoint of the line joining the charges?
asked by help please? 
reading
an example of parallelism and page in to kill a mockingbird
asked by Taylor 
MathPlease help
Prove that no isosceles right triangle exists whose sides are integers.
asked by Barb 
System Analyst and Design
Terrier News Situation: Terrier News is a monthly newsletter devoted to various breeds of terriers and topics of interest to terrier owners and breeders. Annie West, the editor and publisher, asked you to help her design a system to enter and manage the
asked by Pete Watson 
Physics
A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron? Thanks for helping me out
asked by fred 
calculus
Using an uppercase "C" for any arbitrary constants, find the general indefinite integral ∫ (2t)(9t^2) dt Now I multiplied both parentheses to get: ∫ (18 + 2t^2 + 9t + t^3) dt now I integrated and got: 18t + 2t^3/3 + 9t^2/2 + t^4/4 + C but I'm told
asked by Tom 
math
franklin school has 3 boys for every 4 girls in the fifth grade.there is 140 students in the fifth grade. A. how many are boys and how many are girls??? pleassseee helpppp meeeeee!!!!
asked by wobble it 
physics
Tarzan swings through the jungle by hanging from a vine. At the lowest point of a swing, Tarzan's acceleration is.... A. zero B. not zero C. one cannot be sure whether it's zero or not zero without additional information.
asked by sam 
Chemistry
At 1 atm, how much energy is required to heat 67.0 g of H2O(s) at –14.0 °C to H2O(g) at 115.0 °C? Please explain, I'm not very good at Chemistry and this problem is giving me a headache. Thank you!
asked by Anonymous 
English
Where reading the poem "LEGAL ALIEN" by Pat Mora . We have to find the rhythm,meter, and assonance . I cant fimd any of that in the poem . Please tell me what each one of them are in the poem .. Reply ASAP please
asked by Anna 
PLEASE HELP TANGENTS AND CIRCLES PROBLEM GEOMETRY
PLEASE HELP I REALLY NEED HELP. Each of the three circles in the figure below is externally tangent to the other two, and each side of the triangle is tangent to two of the circles. If each circle has radius three, then find the perimeter of the triangle.
asked by Knights 
math
an airplane is flying at a height of 2 miles above the level ground. the angle of depression from the plane to the foot of a tree is 15 degree. Find the distance that the plane must fly to be directly above the tree.
asked by Anonymous 
analytical chemisty
Consider the standardization of a solution of K2Cr2O7 with iron metal according to the following: Reaction: Fe + Cr2O72 → Fe +3 + Cr+3a. How many grams of K2Cr2O7 are required to prepare 500 ml of a 0.13 N solution? What is the exact normality of the
asked by Anonymous 
PHYSICS
A block with mass m1 = 9.0 kg is on an incline with an angle θ = 32.0° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.28 and μs = 0.308. To keep the
asked by HIBA 
Math
A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The sample standard deviation was 1.1 years. Using the .99 degree of confidence, what is the confidence interval for the population
asked by Jim 
Physics
A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200
asked by fred 
PHYSICS
Two capacitors are connected to a battery. The battery voltage is V = 60 V, and the capacitances are C1 = 2.00 μF and C2 = 4.00 μF. Determine the total energy stored by the two capacitors when they are wired (a) in parallel and (b) in series.
asked by PLEASE HELP 
Chemistry
A vinegar sample is found to have a density of 1.006 and to contain 4.7 acetic acid by mass.How many grams of acetic acid are present in 3.00 of this vinegar?
asked by Lisa 
Chemistry
In the situation that a solute dissolves in a solvent, the solute molecules often dissociate and associate. Studying for exam, not sure how to explain HOW dissociation and association affects the molar mass of the solute in this system. (What is
asked by AhmadM 
Physics
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes releases his fruit and throws an orange straight down at 28 m/s. Both pieces of fruit hit the ground simultaneously. Calculate the
asked by Wes 
Analytical chemisty
How many grams of K2Cr2O7 are required to prepare 500 ml of a 0.13 N solution?
asked by Anonymous 
Physics
A watermelon cannon fires a watermelon vertically up into the air at a velocity of +11.5 m/s, starting from an initial position 1.20 meters above the ground. When the watermelon reaches the peak of its flight, what is (a) its velocity, (b) its
asked by Kathy 
math help now please
If a figure is a rectangle ABCD and the measure of angle ABD is 35 degrees what is the measure of the angles ABD CBD and BDC
asked by noahc 
Chemistry
You decide to establish a new temperature scale on which the melting point of ammonia (77.75 C ) is 0 A, and the boiling point of ammonia (33.35 C ) is 200 A. What would be the boiling point of water in A ? What would be the temperature of absolute zero
asked by Greg 
Physics
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes releases his fruit and throws an orange straight down at 28 m/s. Both pieces of fruit hit the ground simultaneously. Calculate the
asked by Wes 
ELAPSED TIME
How long did John sleep if he went to bed at 9:40 P.M., and got up at 7:20 A.M.?
asked by MALAYSHA 
Physics
A cheetah can run with a speed of 29 m/s. Determine the distance travelled by a running cheetah in 8.6 s
asked by Amanda 
history
why did the national debt rise so quickly during world war 2?
asked by raul 
Physics
A total of 100000 kg of water per second flows over a waterfall 30 m high. If half of the power this flow represents could be converted into electricity, how many 100 watt lightbulbs could be supplied?
asked by Olivia 
chemistry
Write the formula of the conjugate acid of base HCO3,HPO2,PO43,SO32
asked by baron 
Chemistry
In the case of a small amount of your unknown failed to dissolve in the tbutanol, would it effect the molar mass? = Does molarity increase as molar mass increases?
asked by AhmadM 
stat
if the heights of men follow a normal distribution, and 99.7% fall between 5" and 7" what is the estimate standard deviation of the height?
asked by lena 
Physics
Classify the following measurements as scalar of vector quantities. A.) 15 s B.) 4.2 m ( up) C.) 100 km/h (S) D.) 2.8 kg
asked by Amanda 
Chem Help!!
A standard 1.000kg mass is to be cut from a bar of steel having an equilateral triangular cross section with sides equal to 3.00in. The density of the steel is 7.70g/cm^3. How many inches long must the section of bar be?
asked by Lisa 
chemistry
Classify each of the follow species as bronsted lowry acid or base NH3,NCN
asked by baron 
MATH  immediate help needed!
Please provide the solution to the below problems: In a certain state lottery, a player selects four different numbers from 1 through 30. Find the probability that a single choice of four numbers wins the lottery, assuming the order of the numbers is not
asked by Vivan 
a&p
In modern blimps, the gas of choice is used to inflate them is helium is safer. Compare and contrast the atomic structure of hydrogen and helium. What characteristics of the atomic structure of helium make it so much less reactive than hydrogen?
asked by tameka 
Physics
what is the final temperature of mixture, if 100gm of ice at 0 degree celcius into 100gm of water at 20 degree celcius in an iron vessel of mass 100gm.(specific heat of iron=0.1)
asked by Manish 
history
what was necessary for the united states to be able to increase its production of war materials in a short period of time?
asked by alex 
Physics
Give one block a small initial displacement and the other block a larger one. Click start, and watch the animation. Then select each statement below that is true.
asked by Anonymous 
Physics
A boat which travels 100 km (N), then 40 km (N), and finally 80 km (S). The entire trip takes 6.5 hours. A.) Calculate the total displacement of the boat B.) calculate the velocity of the boat
asked by Amanda 
a&p
How would you contrast single convalent bonds, double covalent bonds, ionic bonds?
asked by tameka 
Chem Help!!
The volume of a red blood cell is about 90.0*10^12cm^3 Assuming that the red blood cells are spherical, what is the diameter of a red blood cell in millimeters?
asked by Lisa 
Science
Ms. Lewis is a chemist mixing two solutions together. A chemical reaction takes place, and the solution becomes warm. Which statement best describes what has happened? A. Energy has been created in the form of thermal energy B. Energy has been transformed
asked by Anne 
Physics
During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s with an average acceleration of 33 m/s (upward). How long did the acceleration last?
asked by Amanda 
math
how many combinations can you get with 18 flavors of ice cream and 70 toppings?
asked by Emily 
math
Three people are to be selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person
asked by carol 
english
in to kill a mockingbird what is an xample of an alliteration
asked by Taylor 
Physics
Wes and Lindsay stand on the roof of a building. Wes leans over the edge and drops an apple. Lindsay waits, 1.25s afrer Wes releases his fruit and throws an orange straight down at 28 m/s. Both pieces of fruit hit the ground simultaneously. Calculate the
asked by Wes 
physical science
A man pulls a lawnmower with a mass of 50 kilogram accross a lawn, its pulling force is 400 newtons at angle of 50 degrees with a horizontal line.(a) resolve the force into two components , one parallel to the ground and one perpendicular to the ground
asked by Pertunia 
science
how many ions of potasium are there in 4.2vgrams of K3PO4 (molar mass=212.264g/mol )
asked by Anonymous 
math
one elevator leaves first floor of a building at 9:00 a.m. It takes 5 seconds to travel between floors, stays 10 seconds at each floor and stops at each floor on its way to the top. Another elevator leaves the 12th (top) floor at 9:00 a.m. ; it takes 5
asked by Sena 
Physics
webassign(.)net/yf/2230.gif The image above shows some of electric field lines due to 3 poin charges along the vertical axis. All 3 charges have the same magnitude. A. What are the signs of the 3 charges? Explain reasoning. B. At what points is the
asked by Justin 
chemistry
how many grams of magnesium are required to react with 2.0 moles of hydrochloric acid?
asked by Z 
Chemistry
The density of aluminum is . A square piece of aluminum foil, 20.02 on a side is found to weigh 2.573 .What is the thickness of the foil, in millimeters?
asked by Lisa 
investing
A company is thinking of investing some surplus cash in 30 year $1000 face value Microsoft 6% annual coupon bonds. It plans to pay $925 each for 10,000 of them, now, and expects to SELL them for $1025 each at the end of 5 years. Make a determination about
asked by Mitch 
a&p
How does ATP supply the cells with the energy they need to work? Outline the general scheme of the ATP energy cycle.
asked by tameka 
algebra 2
to solve the system of equations which expression could be substituted for x into the first equation? first: 2x+7y=10 second: x2y=15
asked by Anonymous 
biology help plz?????????????????
the mRNA squence below is shown along with the polypeptide which would be produced when it is translated .what polypeptide would be produced if the fifth base in the mRNA sequence shown had been changed to A as result of a mutation in the DNA from which
asked by centya 
math
425 in tickets were sold they were either adults or students tickets the number of student tickets were sold was three times the amount of adult ticket sold how many adult tickets were sold
asked by Anonymous 
Physics
A capacitor has a charge of 5 µC when charged by a potential difference of 1.5 V. What is the capacitance of the capacitor?
asked by anonymous 
Calculus
Find the equation of the tangent line to the curve y=2sinx at the point ((pi/6), 1). The equation of the tangent line can be written in y=mx+b form, where m=sqrt3. What is b?
asked by Anonymous 
Math
A club is selling mugs with three different sports logos. The club sold 2(4m25) football mugs, 2(4m15) basketball mugs, and 4m+38 soccer mugs. Which expression represents the total number of mugs that the club sold? A. 18m57 B. 18m2 C. 16m57 D. 15m+3
asked by Anne 
math
what is the math trivia of direct square variation?
asked by erica 
mathsurgently neededplse help
A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler ge6ts a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at
asked by Anonymous 
maths
If the weight of a spherical shell is 7/8th of what it would be if it were a solid shell, find the ratio of the inner and outer radii of the shell.
asked by Anonymous 
math
f(x)=x^2mx+5 and g(x)=nx^2+x3. The functions are combined to form the new function h(x)=f(x)+g(x). Points (1,3) and (2,18) satisfy the new function. Determine the values of m and n.
asked by Anonymous 
math
Describe the sequence and types of transformations required to transform the graph of y=x^3 into the graph of y=2f{2(x1)}+4. Give the equation of new transformed function with detailed explanation.
asked by Anonymous 
History
The first European power to explore the coast of West Africa was A. England B. Portugal C. Holland D. France
asked by Beth 
math
n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).
asked by Brenda 
math
A cliff on the bank of a river is 300m high if angle of deprssion of a point on the oposite side of the river is 60 digree find the wigth of the river
asked by MD 
science
"Reproductive cells and somatic cells are not separated early in development, as they are in animals。 Instead, plant somatic cells that have undergone many rounds of mitosis can undergo meiosis and produce gametes." This is said in my notes under
asked by Jane 
a&p
If an adult has a body weight of 170 pounds, how much of that weight consists of water.
asked by tameka 
maths
the points A(2,3) B(4,1) C(1,2) are the vertices of a triangle. find the length and perpendicular from A to BC and hence the area of ABC
asked by Anonymous 
System Analyst and Design
SkyHigh Internet Services Situation: SkyHigh Internet Services is a leading Internet service provider in a metropolitan area. The new customer billing system has caused an increase in complaints. Tammy Jones, the office manager, asked you to investigate
asked by Pete Watson 
biology help plz?????????????????
product of The oxidative phosphorylation / electron transport is ? in stage of glucose oxidation a)pyruvate b)oxygen c)water d)NAD e)ATP f)NAD.2H g)carbon dioxide h)ADP CHOSE TWO ANSWER FROM THE FOLLOWING LIST product of Glycolysis is? a)pyruvate b)oxygen
asked by centya 
math
cos^2 theta  sin^2 theta = 1
asked by Amirul Thaqif 
World History
During the European medieval period, there was no strong centralized government. However, advances were made in the areas of (a) art, science and communication, (b) agriculture, technology and ship design (c) medical knowledge (d) all of the above
asked by Beth 
math
A company uses the function C(x)= 20.50x+2000, where C is the cost and x is the number of units it produces, to determine its daily costs. Find the inverse of the function and determine how many units are produced when the cost is $625,000.
asked by Anonymous 
Chemistry
A gas occupies a volume of 502 cm3 at 20.0 C. What will be its volume at 106 C? I understand that it follows Charles' Law where the correct equation is V1/T1=V2/T2. My teacher expects all units of volume to be converted to Liters and all temperature to
asked by Sean 
basic college math
write 14.825 as a faction
asked by Cindy 
History
The Soviet Leader who did the most to end the Cold War was which of these? A. Joseph Stalin B. Nikita Khrushchev C. Leonid Brezhnev D Mikhail Gorbachev
asked by Beth 
History
The advantage of the Phoenician system of writing over the Chinese, Sumerian, and Egyptian was that it (a) used fewer sounds (b) used fewer pictures (c) used fewer symbols (d) none of the above
asked by Beth 
math
I have a question is this cheating when we ask questions from our school work ? Wouldn't our on line school know we are kids are doing this ? What is an ethical homework question ? Curious..
asked by Molly 
English
I am categorizing files by numbers. But I have a couple of files w/o #'s. Then what 1 label would I give these group of files? Ex: # Unknown...
asked by T 
math
7 2/5  2 3/4 = I need to show how I got the answer
asked by JR 
Calculus
f(x)=(5x)/(1+2x^2). f'(4)=75/289 f'(x)=(55x^2)/1+2x^2+x^4) Use this equation of the tangent line to the curve y=5x/(1+x^2) at the point (4, 1.17647). The equation of the tangent line can be written in the form y=mx+b. m=75/289. What is b?
asked by Anonymous 
Probability
if a coin is tossed twice, how many times would the head appear?
asked by Anonymous 
Chemistry
Freezing point of pure water = 2, Freezing point of Unknown solution = 1 Mass of unknown in 50g of water = 1.9964g. Calculate the delta T for the solution of the unknown solid and determine the molecular weight of the unknown solid.
asked by Anna 
English
In the Adventures of Huck Finn DISCUSS TOM'S RESPONSE WHEN THE REAL TOM SAWYER ARRIVES. WHO DOES TOM PRETEND TO BE?
asked by Pia 
bussiness law
identify and protect the tangible property rights of walmart (retail) relating to discriminatory issues and the associated legal considerations. I have searched Google and my book and I can not find this. PLEASE HELP
asked by patiance 
trigonometry
what is the graph of y= cos2(xpi)+2
asked by Betty 
Math
z(3)
asked by Yvonne 
math
Find the function g, given that g is linear, the graph of g has yintercept 2. And g(1) =5.
asked by Vivan 
economics
If the government imposes a quantity tax on the consumption of a good, it means that the consumer has to pay for each unit of the good its price plus the tax. For example, if the price of a chocolate bar is $5 and the government imposes a tax of 20 cents
asked by raina 
Math(Trigonometry)
kos^2 theta  sin^2 theta = 0.25
asked by aaa 
Math
a square pizza measuring 8 inches by 8 inches that costs $10 or a round pizza with a 9 inch diameter that also cost $10
asked by Debbie 
Web Design and Development
Explain how an affiliate program works as both an advertising program and a revenue generation program; give two realworld affiliate program examples.
asked by Pete Watson 
Web Design and Development
Social media is a good method for promoting a published Web site or business. Find two examples of companies who are using social media and interactive Web tools, or blogging to reach their customers. Write a brief summary that describes the methods being
asked by Pete Watson 
algebra
division equation 128/n=8
asked by Anonymous 
Physics
In the human body, blood travels faster in the largest blood vessel, the aorta than in any other blood vessel. Given an average speed of 30 cm/s, how long would it take the blood to travel 5 cm?
asked by Amanda 
Corrected Temperature Problem
Q: The activation energy of a certain reaction is 32.9 kJ/mol At 25 degrees C the rate constant is 0.0160 units s1 units. At what temperature in degrees Celsius would this reaction go twice as fast? My work: ln(0.0160/0.032) = (32,900/8.314)(1/T2 
asked by Amy 
Temperature Problem
Q: A reaction rate has a constant of 1.23 x 104/s at 28 degrees C and 0.235 at 79 degrees C. Determine the activation barrier for the reaction. A: My work thus far: ln(1.23 x 104/0.235)=(Ea/8.314)(1/301.151/352.15) 7.551=(Ea/8.314)(0.0048090535)
asked by Amy 
Life Orientation
What can one do to deal with unethical behaviour.Name 4 actions to take
asked by Luntu 
World History
Arabs are joined together through (a) kinship through a male line (b) arranged marriages (c) kinship through a female line (d) agreements by kings
asked by Beth 
math
The population of a slow growing bacterial culture can be represented by the function P(t)=t^20.7t+10, where t is measured in seconds. a) Determine the populations of bacteria at 2.5 seconds. b) Determine the average rate of change in the bacteria
asked by Anonymous 
human resources
what is stihl inc usa SWOT?
asked by win 
thermodynamics
equal to 1/4 th of the heat rejected to the sink. the efficiency of the engine is
asked by Anonymous 
Math
Which of the following expressions is the simplified form of 8+3(2p4)+10p ? A. 16p20 B. 8p10 C. 6p12 D. 12p9
asked by Anne 
college algebra
Slope intercept Vertical, passing (5,1) Do you solve like this? M1= m/55m M=5
asked by Anonymous 
algebra
how to solve the formula for the indicated letter for x= w + y + z/4 for y
asked by Laura 
basic college math
what is 4/13 written as a decimal?
asked by Cindy 
Soc
In Turkey, putting your hands in your pockets is considered disrespectful. Therefore, this particular behavior is deemed inappropriate when evaluated in this
asked by Jill 
Travel tourism
describe tourism
asked by Raf 
math
if i have a phone card with 15 doloars on it and it is 7 cent a min i use the ohone once and have a balance of 13.25 how many mins was i on the phone
asked by Anonymous 
college algebra
Direct variation Find y when x=5, if y=7 when x=14 I think the answer is 2.5 but don't know for sure:)
asked by Anonymous 
Fractions
Eighty people were invited to vote in the extension club's elections and 9/10 of them voted. How many people voted in the elections? 74, 73, 72, 75 My answer is 73
asked by Suzy 
Chemistry
You have a 100mL cylinder containing 40mL of water. A cube measures 2cm on each side is lowered into the cylinder. What is the new volume reading of the cylinder?
asked by Terra 
math,probability
Hi, I don't understand a homework question, can anyone please help me? I'm bad at probability. what is the probability that when you pick two cards, you will select at least one king out of two in a deck of six standard cards? (assuming there are no
asked by Samantha 
college general chemistry
Calculate the volume of a rectangular solid with a thickness of 0.750 cm and an area of 8.25 cm2
asked by Amber 
Math
A circular table has a diameter of 48". The table can be enlarged by inserting two rectangular leaves, each 18" wide and 48" long. What is the area of the expanded table?
asked by Barb 
english
i need help, i am writing a paper on gay marriage. I need to write a compoundcomplex sentence on it too. help!
asked by kevin 
Math
Graph the polygon and give the specific name for the polygon. A(1,2),B(0,3),C(1,2)
asked by Vanessa 
Math
What is the best estimate for the height of the basketball net ? A  6 feet B  6 yards C 16 feet D  60 yards Which is the best estimate for the width of a classroom ? A 4 feet B 4 yards C 40 yards D  400 feet
asked by Carlos 
math
please help. what is the probability that when you pick two cards, you will select at least one king out of two in a deck of six standard cards? (assuming there are no jokers)
asked by Anonymous 
Math
rename or simplify as needed 11 1/4  5 8/9
asked by JR 
math
4 5/8 + 9 3/5 = rename or simplify as needed
asked by JR 
math
average daily balance . find the credit card finance charge for the month of august (31 days) the annual interest rate is 18% July 31 balance $510 August 9 charge $86 August 10 payment $390 August 22 charge 147 August 27 charge $14
asked by medlin 
Calculus
f(0)=7, g(0)=5, f'(0)=12, and g'(0)=5. Find h'(0) for the function h(x)=f(x)/g(x)
asked by Anonymous 
math
Generalize the pattern for the division of (x^n)(y^n) by xy
asked by Brenda 
Physics
Two resistors 10 Ù and 5 Ù are connected in parallel across a 15 V battery. What is the potential difference across the 10 Ù resistor? Which formula do I use?
asked by justonequestion 
college algebra
Find y when x=1/2, if y=3/2 when x=10 How do you work this?
asked by Anonymous 
math
if you are making 34 trophies plates that 3 1/4" long and 1" wide what size sheet of brass would be needed if plates are aligned with 2 plates per horizontal line
asked by Zona 
Calculus 2
I have this integral that I don't know how to solve: ∫ (x3)/sqrt(x) Would I multiply both parentheses first? or just turn it into (x3)(x^0.5)?
asked by Tom 
Enlgish
I need someone to write me a 14 line to syllable poem/ sonnet about love (for him) please helP!
asked by Ginger 
Math  Radicals
How do you solve 7√3 + √3? I really need help.
asked by Dorana 
maths
I don't understand how 4root(t cubed) is 4t power (3/2)
asked by anonymous 
legal and ethics laws
the ethical implications of committing an intentional or quasiintentional tort
asked by Anonymous 
math
find n(A)for each set A={1/2, 1/2, 1/3, 1/3,..., 1/10, 1/10}
asked by billy 
Chemistry
You have 1.0 mol of HCL and you want to dilute it to .1 mol. How many mL out of 50 should it take up?
asked by Anonymous 
math and litetature
Just wanted to say thank you to all of you for helping us. Helping us understand when we can't get help anywhere else any time. So, thank you. A student
asked by A student 
chemistry help !!!!!!!!!!!!!!!!
complete the following paragraph relating to the enzyme,b galactosidase .this enzyme hydrolyses the disaccharide lactose to constituent monosaccharides ,galactose and glucose ,drag and drop the approprite words into the correct space. the enzyme
asked by john 
chemistry help !!!!!!!!!!!!!!!!
complete the following paragraph relating to the enzyme,b galactosidase .this enzyme hydrolyses the disaccharide lactose to constituent monosaccharides ,galactose and glucose ,drag and drop the approprite words into the correct space. the enzyme
asked by john 
Calculus Help?!?!
Megan bailed out of her plane at an altitude of 8000 feet, fell freely for 15 seconds, and then opened her parachute. Assume that the drag coefficients are a=0.1 for a free fall and a=1.6 with a parachute. When did she land(in seconds)?
asked by Nycw 
trigonometry
what is the graph of y= tan(2xpi)
asked by Betty 
trigonometry
what is the graph of y=sec(x+pi/2)
asked by Betty 
trigonometry
what is the graph of y= arccos(x2)
asked by Betty 
Math
z(3)
asked by Yvonne 
physics
An object is dropped from ret from a height of 39.4m. What is its average acceleration (assumed to be constant) if it hits the ground with a speed of 1.61m/s? My quesion is, is a not 9.8 since gravity is acting on the object.
asked by Jane 
math
please give me algorithm how to solve the lim sqrt(tan(0.25ïx))^(1/(x^21)) x>1
asked by easy 
biology
What is the scientific reason to the larger population of females than males in countries in relation to chromosomes?
asked by Mengistu 
maths
find shortest distance between the line : (x  8)/ 3 = (y + 19)/16 = (z  10)/ 7 and (x  15)/ 3 = (y  29)/8 = (z  5)/ 5
asked by Anonymous 
Science
Describe the movements of particles in a cold glass as thermal energy is transferred to it from warm hands?
asked by Haliey 
alg 7
A triangle with 3 sides all differnt 19.5, 32.5, 26. What is the area? I don't even know the formnula
asked by unknown.gonegirl 
science
SkyHigh Internet Services Situation: SkyHigh Internet Services is a leading Internet service provider in a metropolitan area. The new customer billing system has caused an increase in complaints. Tammy Jones, the office manager, asked you to investigate
asked by Pete Watson 
Computer
Write a pseudocode to input 10 temperatures per day for 20 days and output the average per day and the average for the 20 days.
asked by Raf 
Math
If 4 is added to the numerator & denominator of 5/7, by how much is the fraction increased? Please show solution.. thanks
asked by JCO Sabellano 
math
For f={(4,4),(2,4),(1,3),(3,5),(4,6)} and g={(4,2),(2,1),(0,2),(1,2),(2,2),(4,4)} Find a) f+g b) fg c) gf d) fg
asked by Anonymous 
math
If f(x)= x^24 and g(x)= 2x7 Find a) f(g inverse(x)) b) g((g)inverse(x))
asked by Anonymous 
math
Find the image of (3,4) corresponding to y=f(x) if it undergoes the following transformations. a) 3f(x2)+6 b) f(x+4)2 c) f(3(x+2))
asked by Anonymous 
math
n points are arranged on a cirlce and all the chords drawn. Let I(n) be the number of intersection points inside the circle if no 3 chords are concurrent. Find a formula for I(n).
asked by Brenda 
JD
Find the slope of the line passing through the points (0, 4) and (6, 7).
asked by Anonymous 
math
For the function f(x)= {x^2, if x than or equal to 1. Is f(x) continuous at x=1. Explain.
asked by Anonymous 
college algebra
Write slopeintercept equation Passing through the points (6,9) and (0,8) I think it's this just making sure: M=(8(9))/(0(6)) =17/6 Y= 17/6x+36/6 Y=17/6x6 M=17/6 and Y=6
asked by Anonymous 
physics
This is my problem: A particle with a density of 0.9g/ml is suspended in a solution that has a density of 1.1g/ml. It cannot be sedimented. Using the equation that describes the movement of a particle in a centrifugal field, describe why this is true. The
asked by Dave 
maths
1) find the mean number of heads in 3 tosses of a fair coin?
asked by Anonymous 
World History
The person who might be called the "father of the hydrogen bomb" is (a) Enrico Fermi (b) Robert Oppenheimer (c) Niels Bohr (d) Edward Teller
asked by Beth 
Question
I am categorizing files by numbers. But I have a couple of files w/o #'s. Then what 1 label would I give these group of files? Ex: # Unknown...
asked by T 
Math
Which of the following expressions is the simplified form of 3y+8y4+72y? A. 11y+3 B. 9y11 C. 11y3 D. 9y+3
asked by Anne