Questions Asked on
April 23, 2014

statistics (10)
Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting salary is desired. What
asked by Vanessa 
Probability
For each of the following sequences, determine the value to which it converges in probability. (a) Let X1,X2,… be independent continuous random variables, each uniformly distributed between −1 and 1. Let Ui=X1+X2+⋯+Xii,i=1,2,…. What value does the
asked by A 
social studies
PLEASE CHECK 1. what was one immediate effect of the Cold War on South Carolina and the nation? a. travel for pleasure was drastically reduced b. it was more difficult to obtain goods from foreign countries* c. the united states and germany continued to be
asked by what 
geometry
1.what is the area of a sector with a central angle of 160 degrees and a diameter of 5.8m? round the answer to the nearest tenth A. 8.1 m^2 B.4.0 m^2 C.47.0 m^2 D.11.7 m^2 2.what is the area of a regular octagon with a side of 8 in round the answer to the
asked by studyguy 
Probability
For any given flight, an airline tries to sell as many tickets as possible. Suppose that on average, 10% of ticket holders fail to show up, all independent of one another. Knowing this, an airline will sell more tickets than there are seats available
asked by A 
physics
Calculate the energy in kcal used by a 53kg woman who does 55 deep knee bends in which her center of mass is lowered and raised 0.400 m. (She does work in both directions.) You may assume her efficiency is 20%.
asked by Mary Katheryn 
Physics
A golf ball, mass 0.048 kg, rests on a tee. It is struck by a golf club with an effective mass of 0.225 kg and a speed of 44 m/s. Assuming the collision is elastic, find the speed of the ball when it leaves the tee (remember: you can not assume the club is
asked by Anonymous 
chem
Calculate the amount of heat required to convert 17.5g of ice at 33.5∘C to steam at 100.0∘C.
asked by shadow 
Math
You draw five cards from a standard deck of 52 cards. P(heart) = 4/5 (fraction). What type of probability is illustrated and why? Theoretical; the result is based on the number of possible outcomes** Theoretical; the result is found by repeating an
asked by Jasmine 
Math
Jabari is thinking of three numbers. The greatest number is twice as big as the least number. The middle number is three more than the least number. The sum of the three numbers is 75. Find the numbers.
asked by Janey 
math
A plane P cuts a sphere O in a circle that has a diameter of 20. If the diameter of the sphere is 30 how far is the plane from O?
asked by susan 
geometry
In a arcade game, the "monster" is the shaded sector of a circle of radius 1 cm, as shown in the figure. The missing piece (the mouth) has a central angle of 60 degrees. What is the area of the monster in cm^2
asked by D. 
science 1 question
4. How are ocean trenches formed? (1 point) Ocean trenches are formed when oceanic plate cools and moves to the surface of the ocean. Ocean trenches are formed when the denser oceanic plate sinks.*** Ocean trenches are formed when molten rock cools and
asked by TTR+S<3 
SCIENCE PPPLLLLLSSSSS HELP!!!!!!!!!!
Which of the following forms when igneous rocks are weathered and eroded? (1 point) igneous rock sediment sedimentary rock metamorphic rock is it sediment or sedimentary rock!!???
asked by TTR+S<3 
History
Mark the statement if it describes Roman society during the time of Cincinnatus. A. Rome’s government was based on law in which many people had a voice. B. Rome was being surrounded and threatened by outside forces. C. People in Rome admired those who
asked by Alyssa 
Math
The Leaning Tower of Pisa in Italy leans because it was built on unstable soil—a mixture of clay, sand, and water. The tower is approximately 58.36 meters tall from its foundation (see figure). The top of the tower leans about 5.45 meters off center. Use
asked by Kasia 
Math
In the diagram, a building casts a 20ft shadow and a flagpole casts a 7ft shadow. If the flagpole is 12 ft tall, how high is the building? Round to the nearest tenth.
asked by Peggy 
Chemistry
How many grams of acetic anhydride are needed to react with 3.82g of salicylic acid?
asked by Nicole 
Chemistry URGENT/DR BOB
Can someone may sure that I balanced the following groups of equations correctly. Write an equation to show how acetic acid reacts with water to produce ions in solution. C2H4O2 + H2O >>>>>>> H3O + C2H3O Write an equation for the neutralization of HCl and
asked by jazz 
chemistry
Helpful steps? Calculate the predicted atomic radius for potassium, K, given the atomic radius of rubidium, Rb, (0.247 nm) and cesium, Cs, (0.265 nm).
asked by Ally 
Calculus
a) Estimate the area under the graph of f(x)=7+4x^2 from x=1 to x=2 using three rectangles and right endpoints. R3= ???? Then improve your estimate by using six rectangles. R6= ????? Sketch the curve and the approximating rectangles for R3. Sketch the
asked by TANYA 
science 1 question
7. What is the force that results from a 3,000 kg car accelerating at 20.00 m/s2? (1 point) 150.0 N 3,000 N 3,020 N 60,000 N
asked by TTR+S<3 
*math (4)
The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.5x + 3
asked by Vanessa 
Trigonometry
The Leaning Tower of Pisa in Italy leans because it was built on unstable soil—a mixture of clay, sand, and water. The tower is approximately 58.36 meters tall from its foundation (see figure). The top of the tower leans about 5.45 meters off center. Use
asked by Kasia 
History
Can someone please help me? Thanks Select one way World War II changed the roles of women or blacks in the United States and South Carolina. Explain the change you selected. Provide examples of how these events changed South Carolina’s society.
asked by Melissa 
biology
The agricultural research facility during a research accidentally changed the DNA sequence of a wheat plant from GCCATGTT to GCGTACTT and this mutation resulted in a stronger plant variety. What kind of mutation did the plant undergo?
asked by cheyenne 
3rd grade math
Sven is thinking of two numbers. The sum is 12. The difference is 4. What are the two numbers?
asked by sindy 
math
a circular pizza box logo has a sector with a central angle of 80 degrees and a diameter of 16 inches. Find the area of this sector
asked by G 
Physics
A small plane can travel at 200 km/h in still air. If a 50.0 km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed [N].
asked by David DiFranco 
Math
You pay 3.3 cents per minute for longdistance phone calls on your phone. Your phone bill is $3.40. Write and solve an equation to find the number of minutes m of longdistance calls you made. A. ; 103 minutes B. ; 11 minutes C. ; 83 minutes D. ; 10
asked by Amelia 
chemistry
Lactic acid, CH 3 CHOHCO 2 H, is found in sour milk, in sauerkraut, and in muscles after activity. K a for lactic acid = 1.4 x 10 4 . a. If 2.75 g of NaCH 3 CHOHCO 2 , sodium lactate, is added to 5.00 x 10 2 mL of 0.100 M lactic acid, what is the pH of
asked by Anonymous 
World History
1.Greek and Roman legacies to the modern world include contributions to modern law and government. Briefly describe how modern law and government have been influenced by classical Greece and Rome. Include at least two examples from the Greeks and two
asked by Mary Ann 
Probability
Let X be a continuous random variable. We know that it takes values between 0 and 3, but we do not know its distribution or its mean and variance. We are interested in estimating the mean of X, which we denote by h. We will use 1.5 as a conservative value
asked by A 
Chemistry URGENT/DR BOB
Hello Dr. Bob I have been sick and missed some of my classes and my classmates want to act stupid. So if its not too much trouble could you just make sure that I am on the right track and let me know what is wrong and how I can fix them. I have a lot of
asked by jazz 
History8
Lincoln best demonstrated the qualities of the Republican Party in that ___________________ . a.he supported Congress’ decision in the Dred Scott Case b.he believed that blacks and slaves were equal to whites c.he supported secession by the Southern
asked by imissbobby♥ 
*math (1)
The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = 0.01x^2  0.1 x +
asked by Vanessa 
math
A pulley whose diameter is 9 inches is connected by a belt to another pulley whose diameter is 6 inches. If the larger pulley runs at 1200 revolutions per minute, at how many revolutions per minute does the smaller pulley run? a. 800 b. 1080 c. 1600 d.
asked by thomas 
Chemistry
A 0.160g sample of unknown metal (X) reacts with hydrochloric acid to produce 66.5 mL of "wet" gas at 20 °C and 754 mm Hg. What is the unknown metal (X)? (The vapor pressure of water at 20 °C is 18 mm Hg. Help please?
asked by Ally 
math
A diver is wroking 30 meters below sea level. Another diver is taking a break on a platform directly above him that is 5 meters above sea level.How far apart are the two divers? a. 5 meters b. 25 meters c. 35 meters d. 40 meters please answer and explain
asked by thomas 
math
an unbiased coin is tossed six times. find the probability of the given event. the coin lands heads more than once.
asked by Dee 
*math (2)
The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 10 where p is the wholesale unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. Determine the consumers' surplus if the market
asked by Vanessa 
Physics
A small plane can travel at 200 km/h in still air. If a 50.0 km/h wind is coming from the east, determine the ground velocity of the plane if the pilot keeps the plane pointed [N].
asked by David DiFranco 
Math
A sidewalk borders a rectangular play area.the play area measures 20ft by14ft.the width of the sidewalk is 2 ft.what is the perimeter of the outside borders of the sidewalk?
asked by Anonymous 
statistics (6)
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler
asked by Vanessa 
Math
An electronics store usually sells 18 remote control devices per week at a retail price of $12.49. This week the manager put the remotes on sale for a markdown of 20%, and sold 25 of them. How much more revenue was earned this week by having the sale?
asked by nick 
statistics
Data were collected on 100 students regarding their class and major. The data are summarized in the following contingency table. What is the probability of randomly selecting a sophomore or an undeclared student?
asked by k 
English 30
How does the short story "Happy Event" by Nadine Gordimer relate to the impact of an individual's ambition on self and others?
asked by kyle 
Math
Earl Watkins is ready to retire and has saved up $250,000 for that purpose. He places all of this money into an account which will pay him annual payments for 20 years. How large will these annual payments be if the account earns 17% compounded annually?
asked by Mai 
algebra
To make a special mix, the owner of a fruit stand wants to combine cashews that sell for $7.00 per lb with walnuts that sell for $5.50 per lb to obtain a 35 lb hat sells for $6.50 per lb. How many pounds of each type of nut should be used in the mixture?
asked by orahkil 
Algebra 2
if an object is thrown vertically upward with an initial velocity of v from an original position of s, the height h at any time t is given by: h=16t^2+vt+s (where h and s are in ft t is in seconds and v is in ft/sec) If a rock is thrown upward from a
asked by Bri 
Language Arts
Please check answers! Choose the type of punctuation that is missing from the following sentence It's no wonder that Mark is tired after staying up all night. A. APOSTROPHE **** B. SEMICOLON C. COLON D. HYPHEN Can't you just see the look on his face when
asked by Hannah 
math
which is larger .007 or .700
asked by jake 
*math (5)
The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 160 − x^2 where p is measured in dollars and x is measured in units of a thousand.
asked by Vanessa 
physics
Three tug boats are pulling on a cruise ship with three ropes. Two pull with a force of 1800 N each at angle of [N15°E] and [S24°E]. If the net force on the ship is zero, what must the tension in the third rope be?
asked by rahul 
physics
Gamma rays (γrays) are highenergy photons. In a certain nuclear reaction, a γray of energy 0.306 MeV (million electronvolts) is produced. Compute the frequency of such a photon
asked by jake 
statistics (4)
For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.)
asked by Vanessa 
Radioactivity
If you were trying to design the most effective nuclear fission reactor possible, what ratio of U235 to U238 would you want? Explain why What happens to the reaction as the proportion of U238 nuclei increases? Explain why this happens.
asked by Hassina 
Algebra II
Please help me out with this The numbers 1 through 50 are written with red marker on slips of paper while the numbers 51 through 100 are written with blue marker on slips of paper. All the papers are put into a bag and shuffled. One card is randomly
asked by Me and I 
Math
Tim deposits $10 every month into retirement account which averages 18% interest compounded monthly. How much will be in this account after 45 years? (The number of years from age 20 to 65).
asked by Mai 
algebra
Perform the indicated operation. x/2+y/3z/4
asked by kendra 
math
sweets are shared equally among 20 children at a party. if there were 1 more sweet and 1 more child, each child would get 1 sweet less. how sweets were shared at the party? thats how the question ends.
asked by Robert 
science
A bat moving at 5.6 m/s is chasing a flying insect. The bat emits a 60 kHz chirp and receives back an echo at 60.63 kHz. At what speed is the bat gaining on its prey? Take the speed of sound in air to be 338 m/s. Answer in units of m/s
asked by Anonymous 
Math ~ Check Answers ~
A number cube with the numbers 1 through 6 is rolled. Find P (number is greater than or equal to 3). a.) 4/6 b.) 1/6 c.) 2/6********** d.) 5/6
asked by Chloé 
*math (6)
The quantity demanded x (in units of a hundred) of the Mikado miniature cameras per week is related to the unit price p (in dollars) by p = −0.2x^2 + 220 and the quantity x (in units of a hundred) that the supplier is willing to make available in the
asked by Vanessa 
Math
A regular hexagon with a perimeter of 24 meters is dilated by a scale factor of 5 2 to create a new hexagon. What is the perimeter of the new hexagon?
asked by Jordan 
English
If it snows tomorrow, what will you do? 1. If it snows tomorrow, I will go out with my dog. 2. If it snows tomorrow, I will make a snow man at the back yard. 3. If it snows tomorrow, I will meet my girl friend. 4. If it snows tomorrow, I will do snow
asked by rfvv 
Physics
Jack is driving with a pail of water along a straight pathway at a steady 25 m/s when he passes Jill who is parked in her minivan waiting for him. When Jack is beside Jill, she begins accelerating at the rate of 4.0 × 10−3 m/s2 in the same direction
asked by thomas 
english
places in his life conflicts in his life men in his life can it be his father? people he worked with etc mistakes he made victories he celebrated having kids publishing his poetry/plays elizabethan cultures and traditions that influenced his life and
asked by Reina B. 
physics
(a) A hydrogen atom has its electron in the n = 5 level. The radius of the electron's orbit in the Bohr model is 1.323 nm. Find the de Broglie wavelength of the electron under these circumstances. (b) What is the momentum, mv, of the electron in its orbit?
asked by jake 
*math (3)
A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = 324 + 4x dollars. Determine the producers' surplus if the market price is set at $22/unit. (Round your answer to two decimal
asked by Vanessa 
math
Kyle reduced his investment in Collins Company from $11,700 to $4,300. What was the percentage rate of decrease?
asked by Anonymous 
physics
The pressure at the bottom of a cylindrical container with a crosssectional area of 46.5 cm2 and holding a fluid of density 480 kg/m3 is 115 kPa. (a) Determine the depth of the fluid. (b) Determine the pressure at the bottom of the container if an
asked by Mary Katheryn 
Algebra please help
$11,000, invested for 9 years at 3% compounded quarterly.
asked by Ernie 
maths,science and gengraphy
what are the impacts and consequences of xenophobia
asked by likhona 
statistics (7)
The average cost per night of a hotel room in New York City is $273 (SmartMoney, March 2009). Assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65. a. With 95% confidence, what is the margin of error (to 2
asked by Vanessa 
PHYSICS AP
The spring in the figure has a spring constant of 1000 N/ m. After being compressed by 15 cm it launches a 200 g block out onto a frictionless horizontal surface. The block then moves up an incline, where the coefficient of friction is 0.20, eventually
asked by Struggler 
Math
In what shape are lateral faces of a pyramid?
asked by Pinks 
chemistry
A sample of helium at 20 °C occupies a volume of 3.63 L at a pressure of 3.07 atm. What volume does this helium sample occupy if the pressure is reduced to 2.43 atm while maintaining the temperature at 20 °C?
asked by Michelle 
Stats.
Another one that I need help.... At Ajax Spring Water, a halfliter bottle of soft drink is supposed to contain a mean of 520 ml. The filling process follows a normal distribution with a known process standard deviation of 4 ml. (a) Which sampling
asked by Lindsay 
ch
A 0.160g sample of unknown metal (X) reacts with hydrochloric acid to produce 66.5 mL? Help please
asked by alan 
physics
In Figure 20.2 is a velocity selector that can be used to measure the speed of a charged particle. A beam of particles is directed along the axis of the instrument. A parallel plate capacitor sets up an electric field E which is oriented perpendicular to a
asked by Anonymous 
Stats.
I don't know where to begin with this one.... When told that over a 10year period a mammogram test has a false positive rate of 50 percent, Bob said "That means that about half the women tested actually have no cancer". Correct Bob's mistaken
asked by Lindsay 
Math Help? Check my answers.
1. Find the next three terms in the sequence. 30, 22, 14, 6, ... 3, 12, 21 1, 8, 15** 1, 2, 3, 2, 10, 18 2. Find the next three terms in the sequence. 3, 6, 9, 12, ... 15, 18, 20 15, 19, 20 15, 18, 21 14, 18, 21** 3. Find the next three terms in
asked by Lydia 
finance
$11,000, invested for 9 years at 3% compounded quarterly.
asked by Ernie 
physics
ssume all temperatures to be exact. A 0.240kg coffee cup at 27∘C is filled with 0.200kg of brewed coffee at 96∘C. The cup and the coffee come to thermal equilibrium at 84∘C. Part A If no heat is lost to the environment, what is the specific heat of
asked by beti 
Algebra
Suppose that y varies inversely with x, and y = 0.2 when x = 2. What is an equation for the inverse variation? y = 1.8x y = 0.4/x x = y/1.8 y = x/0.4
asked by Sandra 
geometry
A satellite launch rocket has a cylindrical fuel tank. The fuel tank can hold V cubic meters of fuel. If the tank measures d meters across, what is the height of the tank in meters?
asked by Anonymous 
math!!
Roy Landers bought 3,000 shares of stock for $59 per share. Six months later he sold the 3,000 shares of stock for $75 per share. If the stockbroker's commission was $975, how much profit did Roy make on the transaction?
asked by nick 
computer science
IHow do you refractor this: public class Employee { private boolean isPartTime; private int seniority; private int monthsDisabled; public Employee(boolean isPartTime, int seniority, int monthsDisabled) { this.isPartTime = isPartTime; this.seniority =
asked by Su 
chemistry
Please Help!what will happen if 50mL of 0.022M Na2S2O3, 50mL of 0.010M AgNO3 and 50mL of 0.097m KCl are mixed together? for AgCl, ksp=1.8x10^10, for Ag(S2O3)2^3, Kf =2.9x10^13. !
asked by leslie 
Ap Physics
An escalator in a shopping centre carries people up through a height h at a vertical speed of v, but you’re in a hurry when you step onto it, so you climb the moving steps (each with a height of hs) at a rate of n steps/s. Determine: the amount of
asked by Thando 
math
Mrs walkers ordered 10 pizza's for a party . Each pizza is cut into 8 slices the list below show the fraction of each pizza that was left after the party. 3/8,4/8,4/8,5/8,6/8,7/8,2/8,4/8,5/,3/8 1.Make a line plot of the fractions of pizzas that were left.
asked by gautam 
math
Tricia wants to create a path out of pebbles. She has 8 bags of pebbles and each bag covers an area of about 6 square feet. If she wants to make the path 2 feet wide, about how long can she make the path ? Show your work
asked by rian 
math
Wyatt used $1,024.87 to pay bills and spent $89.35 to buy a new coat. He put the rest of the money into his savings account. How much money did Wyatt put into his savings account?
asked by ***Please Help*** 
calculus help
A particle is moving with the given data. Find the position of the particle. a(t)= (t^2  5t +7) , s(0)=0 , s(1)=20 Thanks!
asked by Anonymous 
English
Traditional African marriage is an advantage for men only,not women
asked by Busiswa Dumezweni 
maths
a cartoon can hold 1,000 unit cubes that measure 1 inch by 1 inch by 1 inch describe the dimension of the cartoon using unit cubes
asked by pinks 
Physcs
A pilot is flying from City A to City B which is 300 km [NW]. If the plane will encounter a constant wind of 80 km/h from the north and the schedule insists that he complete his trip in 0.75 h, what air speed and heading should the plane have?
asked by David DiFranco 
algebra
Gabby walks 12 blocks east from school and then 16 blocks south and each block is 50 yards how far is Gabby from school in yards?
asked by Anonymous 
constructions
explain how to construct the legs of the ironing board to ensure that the surface is always parallel to the floor
asked by Patty 
math
Your organization is holding a pizza party. A group of 24 women eat es0311.jpg slices each and 20 men eat es0312.jpg slices each. How much would you have to spend to feed the group 8slice pizzas costing $11.99 each?
asked by Kik 
math
Wyatt earned $316.50 each week for the first 3 weeks of February and $425.25 the last week of February. How much money did Wyatt earn in all in February ?
asked by ***Please Help*** 
science
A 2kg box is suspended from the ceiling by a rope that weighs 1kg.find the tension at the top of the rope?
asked by Sisay 
social studies
What major land form and body of water cover much of northern south america?
asked by Lena 
physics
Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?
asked by m 
math
the sum of an integer and the next greater integer is at least 27. find the lesser integer.
asked by Grace 
Statistics and probability
a sample of 500 drivers was asked whether or not they speed while driving. The following table gives a twoway classification: speed Never Speed totals male 222 78 300 female 128 72 200 totals 350 150 500 We wish to test whether gender and speeding are
asked by Hani 
sciencechemistry
We performed a titration with NaOH solution with KHP. Now I need to calculate the average molarity of NaOH based on this data Weight of khp= 0.1083 g Volume of naoh = 6.4 ml Then if i get this how do i get the molarity of ch3cooh totrated in naoh with the
asked by cassy 
Algebra
I would appreciate the steps to the answer please... Suppose that y varies inversely with x, and y = 6 when x = 8. What is an equation for the inverse variation? • y = x/48 • y = 2x • x = y/2 • y = 48/x
asked by Sandra 
English Help Please!!! Check!!
Concision Rewrite the sentences using concision techniques (replacing phrases with words, combining sentences, etc.) discussed in class to simply these wordy sentences. a)Your explanation concerning your comatose state during the required reporting period
asked by Kimberly :( 
physics
A proton moves in a circular path perpendicular to a constant magnetuc field. If the field strengrh of the magnet is increased, does the diameter of the circular path incresse, decrease, or remain the same?
asked by cindy 
math, calculus
1. Consider the region bounded by the curves y=x^2+x12, x=5, and x=5 and the xaxis. A. Set up a sum of integrals, not containing an absolute value symbol, that can be used to find the area of this region. B. Find the area of the region by using your
asked by anon 
6th grade math
Elisa is writing an algebraic expression for the phrase 5 less tan a number.
asked by hgb 
Math 70
At a county fair, an adult ticket sold for $6.00, a senior citizen’s ticket for $4.50, and a child’s ticket for $2.00. On Friday, the number of adults and senior citizen’s tickets sold was 5 more than the number of children’s tickets sold. The
asked by Anonymous 
Algebra II
help please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections.
asked by Me and I 
Math: Compass Bearings
two people start walking from the same point. Person A walks due east for 3.5 km and the person B walks in the direction 123 degrees until they are due south of person A. How far did the second person walk?
asked by drake 
accounting
If you can earn 4 percent, how much will you have to save each year if you want to retire in 35 years with $ 1 million?
asked by Anonymous 
science
If Two bodies of same mass is thrown from top of a tower with same speed simultaneously.one (x) is thrown vertically downward and another(y) is thrown horizontally then what will happen?
asked by baiju 
maths
Experience in investigating insurance claims shows that the average cost to process a claim is approximately normally distributed with a mean of 80 dollars. New costcutting measures were started and a sample of 25 claims was tested. The sample mean of the
asked by Hani 
math
Uniform rod AB with end B resting against rough vertical wall. Coefficient of friction between wall and rod is μ. Rod is 2m long and has mass 3kg. Rod is kept in limiting equilibrium by a light inextensible string, one end of which is attached to the end
asked by Michael 
physics
The planet Jupiter has a satellite, Io, which travels in an orbit of radius 4.220×108 m with a period of 1.77 days. Calculate the mass of Jupiter from this information.
asked by sam 
Circle geometry
The endpoints of the arms of an inscribed angle are the endpoints of a diameter. What is the measure of the inscribed angle? How do you know? Please help and please explain how I would draw a diagram of thus. Think you for your help!
asked by Cherie 
physics
A 225kg box is pushed horizontally with a force of 620N. If the coefficient of friction is 0.20, calculate the acceleration of the box.
asked by john 
Algebra Work Check
1. 5√6 * 1/6√216 5/6 * √1296 5/6 * √144 * √9 = 30 2. 9√28a^2 * 1/3√63a 3√1764a^3 3√49a^2 * √36a 3*7a*6√a = 126a√a
asked by Anonymous 
History8
In 1861, the boundary between the Union and the Confederacy ran from where to where?
asked by imissbobby♥ 
Physics
Could you explain these in a very easy term that I could understand, give the definitions of the 3 thing below Static Friction Dynamic Friction Rolling Friction
asked by Olumide Adesiyan 
geometry
3 times the complement of an angle is 30 more than the supplement of the original angle. What is the measure of the angle?
asked by rose 
trig
if the balloon is currently floating 60 feet in the air (measure from the bottom of the basket) , what is the approximate angle of depression of the person in the basket?
asked by yyayaa 
geometry
A crosssection of a sphere (when cut by a plane through its center) is a circle of area 100pi cm^2 what is the surface area of the sphere ?
asked by D. 
Math  Urgent!
Can you show that you can share a square pizza equally between two people by cutting it four times using vertical, horizontal and diagonal (45 degree cuts) through any point inside the square? If you could give an explanation as well as an answer I'd be
asked by Josh 
math
Square ABCD is incribed in Circle O. If the side of the square is 2 find the area of Circle O. a. pi b. 2 pi c. 4 pi d. 8 pi e. 16 pi please answer and explain
asked by thomas 
math (8)
Find the area of the region enclosed by these graphs and the vertical lines x = 3 and x = 5 f(x)=x^2+5 g(x)=1
asked by Vanessa 
Math
A rectangular backyard measures 15 meters by 20 meters.there is a square flower bed in the middle of the yard with three sides of 3 meters.what is the area of the yard only?
asked by Anonymous 
math
Greg and Verena both work for the Spelling Company. Greg earns $18.60 per hour as an assembler, and Verena earns $12.20 per hour as a technician. Last week Greg worked es0311.jpg hours and Verena worked es0312.jpg hours. What was their combined earnings
asked by Kik 
Statistics
Prof. C is studying a population of the elementary school pupils in a school district with data on all its children. Another prof. suggests he calculate a confidence interval to estimate the mean age of the children. Prof C responds that it is not
asked by Kevin 
Math
Simplify the product. 9 sqrt 28a^2 * 1/3 sqrt 63a I came until 3 sqrt 49a^2 * sqrt 36a, but then I got confused...
asked by Anonymous 
DNA
Do the two DNA double helices following DNA replication have the same, or a different, composition?
asked by Dee Anna 
math
how much is 8 liters jug water he fills 9750 millimeters pitchers with water how much water is left?
asked by rose 
social studies
What do people in Catalonia celebrate every April 23rd?
asked by Lena 
math
The stadium has a maximum seating capacity of 19,968 at an NBA game. If the New Jersey Nets play 41 games there and each game is sold out, what is the best estimate for the number of fans attending the games during the regular season?
asked by Quentin M. 
analytical techniques
If V210ml,N10.092*10 to the power of 6 and N20.5*10 to the power of 6,V2?
asked by buffy 
math
I am an interger greater than 0 and less than 100. I am a multiple of 3 The sum of my digits is a multiple of 9 Show all work and explain how you obtained your answer.
asked by Mae Cabayan 
geometry
The volume of a cone is 180cm^3 , if the radius and the height are 3 times more, what would be the volume ???
asked by D. 
science!
Does weight + height affect force? Please explain!! I am doing this to explain for mg science essay! I will furthermore add on to the current info.
asked by aly benson 
geometry
Im sorry i know you just answered this but can you go a little in depth like im very confused right now "The volume of a cone is 180cm^3 , if the radius and the height are 3 times more, what would be the volume ???"
asked by D. 
Math
A triangular piece of land has a base of 12 yards and a height of 16 yards.what is the area of the piece of land?
asked by Martha 
Science
Is Dilithium real and what can it be used for. should i go find it this cuz it is close to me.I found Dilithium unused on a craiglist ad.
asked by Maynard 
physics
a cylinder with movable piston contains 40 moles of an ideal gas it is placed in an ice water bath where it reach thermal equilibrium. it is then compressed slowly with 7500 j of work done to compress it to a smaller volume. how much does its internal
asked by Mohanad 
internet
Consider sending a series of packets from a sending host to a receiving host over a fixed route. List the delay components in the endtoend delay for a single packet. Which of these delays are constant and which are variable?
asked by Olumide 
chemistry urgent
I think I balanced these equation right please check and let me know. i am suppose to complete and balance the equations representing the reactions. NaHCO3 (s) + HCL (aq) >>>> NaCl + 2CO+H2O CaCo3 (s) + HCL (aq)>>> CaCl + CO3H Thanks
asked by jazz 
Science
We just learned about mitosis and my teacher is giving a test over it and other things tomorrow. We have to write the mitosis steps in order, label the chomatids, nuclear membrane, spindle fibers, and centrioles, and have a sentence describing them. How
asked by Anonymous 
Buddo. Chemistry
when excess dilute sulphuric acid was added to coppper II oxide
asked by derrick 
physics
Assume that the dots in the painting are separated by 1.0 mm and that the wavelength of the light is vacuum= 500 nm. Find the distance at which the dots can just be resolved by (a) the eye and (b) the camera. I know that the resolving equation is
asked by Anonymous 
physics
a certain hamornic motion has amplitude of 0.7m and a period of 1.3s.find(a)the frequency of oscillation(b)the maximum velocity(c)the maximum acceleration
asked by alex 
geometry
name a pair of obtuse adjacent angles
asked by katelyn 
physics
explain why we sweat when it is hot? How does it help us? In terms of heat and temperature what happens
asked by lou 
physics
a great amount of water vapor changes phase to become liquid water droplets in the clouds that form a thunder storm. Does this phase change release or absorb energy?
asked by lou 
physics
A mass attached to a spring oscillates with a period of 3.04 s. If the mass starts from rest at x = 0.0420 m and time t = 0, where is it at time t = 2.75 s?
asked by Tsion 
english
theater in london that stands near where globe theatre once stood
asked by Reina B. 
programming
Explain the term "dynamic memory allocation" in C++? Please explain it in such a way i will understand it
asked by Olumide Adesiyan 
Geometry
Sandy decides to try golfing. She stands on the outer edge of a circular putting green. In the very center of this putting green is the hole;it is 8m away from where she is standing. Sandy is inexperienced. She hits the ball incorrectly and it veers
asked by Cherie 
math
Please help me with this one, I am stymied! ; Does weight + height affect force? Please explain!
asked by kim salvador 
letter
How can I write a feel better letter to Miley Cyrus? please help and give me so examples please help
asked by dylan 
math (9)
Find the area of the region enclosed by these graphs and the vertical lines x = 0 and x = 3 f(x)=x^2+2x+4 g(x)=x+4
asked by Vanessa 
math (4)
Sketch the graph (Do this on paper. Your teacher may ask you to turn in this graph.) and find the area of the region bounded below by the graph of the function and above by the x axis from x = 0 to x = 1. f(x) = xe^(x^2) x=0 x=1
asked by Vanessa 
History
Both Hitler and Churchill were gifted orators. Compare their styles. I was thinking something like that they both used nationalism to make themselves popular within the people. And they spoke to create nationalism in their country. Does this make sense and
asked by Serena 
math
An item originally cost $16.95 and is on sale or 22%. Find the cost of the item. Explain each step
asked by michelle 
math
In triangle ABC, AF and CE meetin D. If AE=EB, BF=FC, then AD x CD/DF x DE equals a. 1 b. 2 c. 4 d. 6 e. 8 please answer and explain
asked by thomas 
internet
What are the causes of packet jitter?
asked by Olumide 
internet
What method at the application layer can be used to reduce the effects of jitter?
asked by Olumide 
internet
Explain the difference between the operation of virtualcircuit networks and datagram networks by listing the advantages and disadvantages of each.
asked by Olumide 
science
an aircraft travelling at 600km/hr accelerates steadily at 10 km /h every second. Assuming speed of sound is 100 km /h t the aircrafts altitude , how long will it take to reach the sound barrier
asked by neha 
Algebra
(1/3)√18c^5 * (6√8c^9) 2√144c^14 > I came until here but then didn't know how to proceed.
asked by Anonymous 
math
A rectangle has side lengths of 5 centimeters and 3 centimeters. if the side lengths are doubled, will the area also doubal? Explain
asked by Dave 
science
meiosis
asked by john Marumo 
ALGEBRA
Find the equation of the circle with radius 1 and center C(1, 2). Then sketch its graph. AND... Sketch a graph of the circle given by the equation. (x + 6)2 + (y – 4)2 = 16
asked by kellY 
Chemistry
A solution has a pH of 2. How does the pH change if 1 mL of the solution is diluted to 100 mL with pure water? How does the pH of a solution with pH 10 change under the same dilution?
asked by ASAP!! 
math
find the inverse of the function, f(x)=x1
asked by Robert 
Maths
Reduce the matrix ( −4 1 0 6 1 0 −1 3 0 −3 6 9)
asked by Olumide adesiyan 
language arts3rd grade
difference between noun, pronoun and propernoun how it is used
asked by big z 
math
When the population of a town rose from a million to a + x million, the per cent increase was a. x/a % b. 100a/x % c. 100x/xa % d. x/ax % e. 100x/a % please answer and explain
asked by thomas 
algebra
sqrt(3x+4) + 4 = 2x can you solve this with steps to help me please?
asked by anna 
math
The area of a triangle whose legs are in the ratio of 2:3 is 48. The length of the hypotenuse is a. square root 13 b. 8 c. 2 square root 52 d. 12 e. 208 please answer and explain
asked by thomas 
math
what is the distributive property of 15 x 3 1/5
asked by javione 
Physics
could you explain friction in a very easy term please
asked by Olumide Adesiyan 
math
How do you find the sum of the mode from each set of data? Set A: ( 4,9,7,2,4 ) Set B: ( 11,6,4,6,2 ) Set C: ( 3,2,9,3,3)
asked by Allison 
programming
How can memory leak occur in c++
asked by Olumide Adesiyan 
maths
1.)The complete solution set of √x2 < 2 is ? 2.)The area of the region bounded by √x^2 + √y^2= 1 is ½ sq. units
asked by srikar reddy 
Algebra
7(√6/32) I came until 7(√192/32). How do I proceed from here?
asked by Anonymous 
programming
Using Dynamic memory allocation demonstrate how to resize an array of integers in c++
asked by Olumide Adesiyan 
Math
(6/7c)^2 Is this 6/7c^2?
asked by Anonymous 
Biology help
How does a gene determine a trait?
asked by Anonymous 
Math
Can you guess my number? The number is less than 30. The sum of the digits is 10. The number is even. What number am I?
asked by Kaiden 
math (2)
Find the area of the shaded region y= 2x/(x^2+4) from x= 1 and x= 1
asked by Vanessa 
Math
(1/3)√18c^5 * (6√8c^9) 2√144c^14 > I came until here but then didn't know how to proceed.
asked by Anonymous 
Algebra
7(√6/32) I did: 7(√6/32) * (√32/√32) 7(√192/32) ...but then what?
asked by Anonymous 
math
ax=1 b+1=x ab=? a. x^21 b. x^2 c. (x+1)^2 d. (x1)^2 e. X^2+1 I don't know how to do it, any body can answer this question and step by step tell me how to do it, thank you
asked by thomas 
math
help
asked by yytgy 
English
He has been on the go.  Instead of 'on the go', what other expressions can we use to have the same meaning?
asked by rfvv 
maths
A person runs 5/8 for race calculate what fraction is left show calculation
asked by mmmd 
Maths
Determine the eigenvalues of the following matrix ( −4 1 −3 0 8 2 0 0 7 )
asked by Olumide desiyan 
algebra
Can someone explain, showing steps, why this wouldn't have a solution? 12/(x^2+9) + 3/(x+3) = 2/(x3) Thanks. :)
asked by matt 
Chemistry URGENT/DR BOB
I have a couple of unfinished experiments i need help with as well. If you can help me. Thanking you in advance. If I tested the ph of NaOH and its H+ was 12.2 how would I express this in a power of 10? I really have no clue. Need help.
asked by jazz 
ALG> and graphs
I have no idea how to do this Find the equation of the circle that passes through the point P(8, 2) and whose center is the point C(4, 1). Then sketch its graph
asked by ??MATH?? 
maths
next year Geoff hopes to be able to run 5 mi in 1/2 his previous time how long should it take him to run 5 mi
asked by pinks 
Algebra II
am i correct? 1(2x)^3 + 3(2x)^2*(5y)^1 + 3(2x)^1*(5y)^2 + 1(5y)^3 answer (2x5y)^3
asked by Me and I 
government
These are the federal government financial instruments such as bonds notes certificates? Answer Are Securities Discount Rates Uncontrollable Thank you
asked by snow 
Math
List the following numbers from greatest to least; 3/8 , 2/9 , 5/16
asked by Tony B. 
Math
When you return hone, you have $30 in your pocket. If the movie costs $8.00 and the pizza costs you $6.00, which equation could you use to determine how much money you had at the beginning of the day?
asked by Fayth 
math
How to find the interst rate on an investment of 3000 after four years received 4105.71. What is the interest rate
asked by CD 
programming
in c++ how is memory allocated on the heap
asked by Olumide Adesiyan 
maths
It wil be greatful if u help me in solving these problems: 1.)The number of solutions of x + [x] = 2013, where [x] is greatest integer less than or equal to x, is
asked by srikar reddy 
Math (6)
Find the area of the following two curves. y= sqrt(x) y= x2
asked by Vanessa 
Math (3)
Find the area of the shaded region. the following curves are; y=x^3 y=x+6 y=1/2x
asked by Vanessa 
Math
Next year Geoff hopes to be able to run 5 mi in 1/2 his previous time.How long should it take him to run 5 mi?
asked by Pinks 
trig
16cos(x)3sec(x)=0 Find all solutions for x in [0, 2pi)
asked by Anonymous 
calculus help
Find f. f'(x) = 9/(square root of (1x^2)) , f(1/2) = 1 f(x) = ??????
asked by ????? 
Math
How do you simplify this problem? (x + 4y − 5z) − (x − 3y + 6z)
asked by Jane 
U.S. History
was hitler a political or military leader
asked by Reina B. 
maths
The heights of 40 student in a class to the nearest centimer are as followsy
asked by Oma 
grammar
One swallow do not make a summer. what is it mean?
asked by niya