Questions Asked on
March 9, 2015

Math help and check
Which kind of function best models the set of data points (–1, 22), (0, 6), (1, –10), (2, –26), and (3, –42)? linear **** quadratic exponential none of the above 2. Which kind of function best models the set of data points (–3, 18), (–2, 6),
asked by Kendra 
Science
The Periodic Table 1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of
asked by TheLOUDEST_0430 
science
1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of elements are related
asked by Oscar 
English Help Please
An example of dramatic irony in The Diary of Anne Frank,Act I is when A. Peter easily removes his Star of David but Anne has difficulty removing it because it is a symbol of her Jewish heritage. B. Anne states she will go to Paris or be a famous dancer and
asked by Anonymous 
English Help Please
Which line of dialogue by Anne in The Diary of Anne Frank, Act I reveals that Anne is struggling to find herself? A. "I knew it was the last night in my own bed, and yet I slept soundly." B. "I'll take the room in the afternoons." C."You are the most
asked by Anonymous 
MATH!!! NEED HELP FAST!!!
which of the following types of information is NOT suited for display on a double bar graph? A. populations of boys and girls at three different schools B. number of records versus compact discs sold each week during a one month period at music den C. the
asked by kaytlin 
Spanish
If I say "estos calcetines" which am I most likely referring to?
asked by PW 
Math Please Help
In a recent survey of middle school students about pizza toppings, it was found that 25 students like pepperoni pizza, 31 like banana peppers pizza, and 5 likes both pepperoni and banana peppers on their pizza. if 66 students were surveyed, how many
asked by Anonymous 
Art
Democratic Architecture 1) The Greek temple has often inspired the design of what type of American structure? :Amphitheater. :Colosseum. :Courthouse.*** :Bridge. 2) Why might a college choose to use Greek architectural elements such as columns when
asked by TheLOUDEST_0430 
physics
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.875 m/s encounters a rough horizontal surface of length ℓ = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.357 and he exerts a
asked by Ange 
Art
Movie professionals such as props desginers and graphic designers work together to create a believable film. Which method of creating a believable screenplay is unique to the job of a screenwriter. A. research of time period architecture and design B.
asked by Ann 
Art
what is the main subject of Persian landscape art, and what does it communicate about the Persian culture and worldview? A rivers; they represent life and are central to Persian mythology**** B People; Persians enjoy group gatherings and value
asked by BUBBLES 
English Help Please
Which line of dialogue by Mr. Dussel in The Diary of Anne Frank, Act I shows a growing conflict between him and Anne? A. "I always get along very well with children." B. "I'm not at my best this morning." C. "I spend half my night shushing her." D. "Your
asked by Anonymous 
chemistry
How many Calories (that is, kilocalories) are in a 37.8g serving of potato chips if we assume that they are essentially 50% carbohydrate, and 50% fats? [Energy from Food, p. 189 in the textbook]
asked by dakota 
physics
A ballet student with her arms and a leg extended spins with an initial rotational speed of 0.90rev/s . As she draws her arms and leg in toward her body, her rotational inertia becomes 0.80 kg⋅m2 and her rotational velocity is 4.1rev/s . Determine her
asked by Please Help 
Math
in a recent survey of middle school students about pizza toppings, it was found that 25 students like pepperoni pizza, 31 like banana peppers pizza, and 5 likes both pepperoni and banana peppers on their pizza. if 66 students were surveyed, how many
asked by anonymous 
english
Fire from the Rock is a great book that I would definitely recommend to others. It is set in 1957 Little Rock, Arkansas, a city boiling over racial segregation. Black and white youths are hot blooded and hot tempered, and many adults fan these flames of
asked by jimm 
math
Chester has a ribbon that is 2 meters long. He wants to cut it into 5 equal pieces. How many centimeters long will each piece be?
asked by Amari 
math
The numbers 7, 8, 9, and 11 are written on separate pieces of paper and put into a hat. Two pieces of paper are drawn at the same time and the product of the numbers is recorded. Find the sample space.
asked by Anonymous 
Art
1. Which movie professional creates the storyboard? A. Screenwriter B. Production designer C. Director D. Graphic artist 2. How might a cinematographer create a believable scene in natures? A. Through research of plants and animals B. Through adjustment of
asked by Sal 
physics
A highway curve with radius 1000ft is to be banked so that a car traveling 56.0mph will not skid sideways even in the absence of friction At what angle should the curve be banked?
asked by danny 
English Help Please
Anne accuses Peter of being insufferable,or A. unfriendly B. depressing C. unbearable D. hurtful Is the answer C?
asked by Anonymous 
Math
josh says that 2/3 is always the same as 4/6. Meghan says that 2/3 and 4/6 are equivalent fractions, but they could be different amounts. Which student is correct? Explain. Pleaseeeeeeeeeeee help!!!!!!!!!
asked by Yellow 
chemistry
'Manganese(III) fluoride, MnF3, can be prepared by the following reaction: 2MnI2(s) + 13F2(g) ? 2MnF3(s) + 4IF5(l) If the percentage yield of MnF3 is always approximately 56%, how many grams of MnF3 can be expected if 10.0 grams of each reactant is used in
asked by walter H 
Math
7. Which of the following is a true statement? (1 point) It is possible for two rectangles to have the same area, but only if they also have the same perimeter. It is possible for two rectangles to have the same area without having the same perimeter. It
asked by Scarlett 
Math
7k divided by 3=21 Can you please show me the work? I know that k=9 but I don't know how to show the work.
asked by Zero 
math
The height of a cylinder with a fixed radius of 10 cm is increasing at the rate of 0.5 cm/min. Find the rate of change of the volume of the cylinder (with respect to time) when the height is 30cm.
asked by Gary 
Art last question for today.
What does a production designer create that is similar to an architects blueprint for construction A. a map to navigate the movie sets B. cartoons that detail each individual scene C. sketches of set designers to guide construction D. architectural
asked by Ann 
Physics
How close to the edge of the 24.0 kg table shown in Figure 947 can a 60.0 kg person sit without tipping it over? m Table is 2.2m long each leg is 5m into the table and there is 1.2m in between each leg. The table is 8m in height.
asked by gabby 
math
true or false? a fair question makes assumptions about the population??
asked by kaytlin 
English
What is one way that " the maori:genealogies and origins in New zealand" contrast with " the raven and the first men:the beginnings of the haida?
asked by elijah 
Math
If the total cost function for producing x lamps is C(x) = 90 + 36x + 0.1x^2 dollars, producing how many units will result in a minimum average cost per unit? PLEASE EXPLAIN YOUR WORK Thank you
asked by Tom 
Math
write an inequality representing the temperature t of the ocean water during the formation of the hurricane if the ocean water is above 80 degrees farenheit
asked by Angelina 
3rd grade fraction
Antonio has 15 pennies in his pocket. Five eighths of his coins are pennies. How many coins does Antonio have in his pocket.
asked by Emi 
french (Checking answers)
I'm not sure if I'm correct but I tried answering, THANKS Ms.Sue for helping. What is the correct form of lequel to replace the follow noun: le balcon  Lesquels  Lequel
asked by Mya 
maths(direction cosines of vectors)
find the direction cosines of the vector joining the two points (4,2,2,) & (7,6,14) (this is new to me, used to think it was just one point not two.)
asked by Francis 
physics
The speedometer on an automobile measures the rotational speed of the axle and converts that to a linear speed of the car, assuming the car has 0.62mdiameter tires. What is the rotational speed of the axle when the car is traveling at 26m/s ?
asked by Please Help 
Algebra
What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? 15,30,45,60 15,16.5,18,19.5 15,22.5,33.75,50.625 none of the above What are the first four terms of a geometric sequence if the common ratio
asked by Jeff 
chemistry
How many kilocalories are required to produce 1.83mol of aluminum?
asked by dakota 
Art
1. Realists reacted to the industrial revolution by creating what types of paintings? A. Images of the wealthy B. Images of the middle class C. Images of soldiers D. Images of despair D?
asked by Ally 
Art
Valley of the shadow of death by Roget Fenton 1. How does roger Fenton use visual composition in valley of the shadow of death to depict the loss of war? A. Cannonballs in a barren landscape hint at powerful destruction B. Cannonballs are a reminder of a
asked by Ally 
Chemistry
In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion, S2O32, that has the formula Ag(S2O3)23, and formation of the complex
asked by Anonymous 
physics
A motorcycle, which has an initial linear speed of 6.6 m/s, decelerates to a speed of 2.1 m/s in 5.0 s. Each wheel has a radius of 0.65 m and is rotating in a counterclockwise (positive) direction. What are a) the constant angular acceleration (in rad/s^2)
asked by Jennifer 
Functions  Please Help
In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs, on December 21. 1) Due to the earth's revolution about the sun, the hours of daylight function is periodic. Determine an
asked by Help Please 
Math please help
A recipe for 48 biscuits uses 2 2/3 cups of biscuit mix. How many biscuits are made from each cup of biscuit mix?
asked by Cale 
physics
Determine the change in rotational kinetic energy when the rotational velocity of the turntable of a stereo system increases from 0 to 33 rpm. Its rotational inertia is 6.8×10−3kg⋅m2 .
asked by Please Help 
math
find the weight of lead pipe 3.5 m long the ext . diameter of the pipe is 2.4 cm and thickness of the pipe is 2 mm given 1 cm of lead weighs 10g
asked by Ayushi 
physics
The sun has a mass of 1.99 × 1030 kg and is moving in a circular orbit about the center of our galaxy, the Milky Way. The radius of the orbit is 2.3 × 104 lightyears (1 lightyear = 9.5 × 1015 m), and the angular speed of the sun is 1.1 × 1015 rad/s.
asked by Jennifer 
math
you are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter than twice its width. What should the dimensions of the table be? This question has to be quadratic equation! I really need to
asked by sarah 
Math help please
A painter used 1 1/2 gallons of paint to paint 3/4 of a room. At this same rate, how many gallons will it take to paint the whole room?
asked by Tiffani 
English
Sorry, but what are some examples of these themes from A Raisin In The Sun. I tried to do some and don't know if they are right. I was also ask to find out what the rhetorical device for the examples of each theme represents. So please help me. 1. Values,
asked by Notafanofschool 
Math
Write the word sentence as an equation. The product of a number m and 2 is 8 2m=8 6 less than a number t is 7 t6=7 A number m increased by 5 is 7 ? 8 is the quotient of a number g and 3 ?
asked by Zero 
Math
Show three ways to make 0.60 without using pennies
asked by Emmanuel 
chemistry
How much heat (in kilocalories) is released when 7.87g of Al is used in the reaction?
asked by dakota 
physics
A bullet is fired with an initial velocity 300m s at an angle 30 degree with horizontal . At what distance from the gun will the bullet strike the ground ?
asked by rajeev 
precalculas
the population of preston is 89000 and is decreasing by 1.8% each year A:Write a function that models the population as a function of time t b predict when the population will be 50000
asked by Jim 
Calculus 1
Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x^2+y^2=(2x^2+4y^2−x)^2 (0, 0.25) (cardioid)
asked by TayB 
chemistry
How many kilocalories are required to produce 12.7g of aluminum?
asked by dakota 
Chemistry
What volume of oxygen gas is needed to react completely with 0.677 L of carbon monoxide gas (CO) to form gaseous carbon dioxide? Assume all volume measurements are made at the same temperature and pressure. Thanks in advance for all help!!
asked by Ally 
Math
You have a rectangular yard that has perimeter of 72 meters. The current area is between 300 and 350. What are the dimensions of your current fenced in space
asked by Monica 
geometry
What contribution did Simon bolivar and Jose de San martin make to history of the region? A) They served as prominent criollo leaders B) They led the revolutions for Independence. C) They instituted the first Republican governments D) They abolished the
asked by Gav 
math
A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = (x^2)h cm^3. Find the rate at which the volume of the box is changing when the edge length of the base is 10 cm, the edge length of
asked by Gary 
math
In each of the following, relationships among marked angles are given below the figure. Find the measures of the marked angles. b. m(∠AOB ) is 30° less than 2m (∠BOC ) c. m(∠AOB ) – m(∠BOC ) = 50
asked by Sam 
Math
using a circle graph of 1/3 percussion, 2/5 brass, 4/15 woodwind and also a circle graph of 1/3 woodwind, 1/6 percussion, 1/2 brass. Both bands combine as one band. A. What fraction of the band members will play brass instruments? B. what fraction of band
asked by Alice 
Mya PLEASE :)
What is the correct form of lequel to replace the follow noun: le balcon  Lesquels  Lequel  Lesquelles  Laquelle What is the correct form of lequel to replace the follow noun:le magasin  Lesquelles  Lesquels  Lequel  Laquelle What is the correct
asked by French 
math
How many 1inch cubes are needed to create a cube with a side length of 7 inches?
asked by Stevenrocks7584 
calc
At noon, ship A is 150 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 30 km/h. How fast is the distance between the ships changing at 4:00 PM?
asked by sara 
Math
working with a circle graph divided up into 1/3 woodwind, 1/6 percussion, and 1/2 brass. The marching band has three percussion musicians. How many musicians altogether are in the band? I think I have to add all of the fractions together and my answer is
asked by Alice 
Math
Liang wants to form a chess club. His principal says that he can do that if Liang can find six players, including him. How would you conduct a simulated model that estimates the probability that Liang will find at least five other players to join the club
asked by Donut tea 
physics
The drive propeller of a ship starts from rest and accelerates at 2.90×103 rad/s2 for 2.10×103 s. For the next 1.40×103 s the propeller rotates at a constant angular speed. Then it decelerates at 2.30×103 rad/s2 until it slows (without reversing
asked by Jennifer 
English Poetry
Define parts of Speech for Jabberwocky I'm on stanza 2 Please check: Beware(v) the(article) Jabberwock(Noun) my (adj) son (noun) The (article) jaws (n) that (pronoun) bite (verb), the(article) claws (noun) that(pronoun) catch (verb) Beware(verb)
asked by Sweet Pea 
Trig verifying identities
I am having trouble with this problem. sec^2(pi/2x)1= cot ^2x I got : By cofunction identity sec(90 degrees  x) = csc x secx csc1 = cot^2x Then split sec x and csc1 into two fractions and multiplied both numerator and denominators by csc and got: sec
asked by Hutch 
Science (Chemistry)
2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm^3. Show all calculations leading to an answer. (I think I
asked by Grace 
Accounting
Q.2. A company that uses the perpetual inventory system purchased $8,500 worth of inventory on September 25. Terms of the purchase were 2/10, n/30. The invoice was paid in full on October 4. Prepare the journal entries to record these merchandise
asked by Feras 
CHEM
A 2.50 L sample of neon gas at 0.00 C and 1.00 ATM is compressed into a 1.00 L cylinder. what pressure will the gas exert in the cylinder at 25.0 C?
asked by Dianne 
physics
an object is placed 15 cm in front of a convex lens of focal length 10cm. Find the nature and position of the image formed. where should a concave mirror of radius of curvature 20cm be placed so that the final image is formed at the position of the object
asked by meenakshi 
statistics
An online site presented this question, 'Would the recent norovirus outbreak deter you from taking a cruise?' Among 34,327 people !@#$%^&sponded, 66% answered 'yes'. Use the sample data to construct a 95% confidence interval estimate for the proportion of
asked by slomomo 
math
what is the mean absolute deviation of the data set 2,2,5 A.0 B.2/3 C.4/3 D.1/3
asked by kaytlin 
Science
Zn + 2HCl  ZnCl2 + H2 Assuming the acid was in excess (so all of the zinc reacts), how many mols of hydrogen would you produce?
asked by Caitlin 
french
What is the correct form of lequel to replace the follow noun: le balcon  Lesquels  Lequel  Lesquelles  Laquelle What is the correct form of lequel to replace the follow noun:le magasin  Lesquelles  Lesquels  Lequel  Laquelle What is the correct
asked by Mya 
Math
write an inequality representing the depth d of the water that must be greaeter than 80degrees farenheit in order for a hurricane to form
asked by Angelina 
chemistry
What volume of oxygen gas can be collected at 1.26 atm pressure and 2.00◦C when 39.7 g of KClO3 decompose by heating, according to the following equation? 2 KClO3(s) ∆/MnO2 −−−−→ 2 KCl(s) + 3 O2(g) Answer in units of L.
asked by Ally 
Trigonometry
Three oil platforms, Alpha, Beta and Gamma are situated in the North Sea.Beta is 12 km from Alpha and is on a bearing of 145 degrees from Alpha.Gamma is 16 km from Alpha and is on a bearing of 220 degrees from Alpha.Find the distance of Beta from Gamma.
asked by Lucina 
math
air pressure decreases during a storm. the difference between the normal air pressure n and the air pressure during the 1935 florida keys hurricane wasd greater than 121 millibars. write and solve the inequality to find the normal airpressure in the
asked by Angelina 
geography
Vertical climate zones have A) Limited human settlement B) enabled farmers to grow a variety of crops. C) Provided rich materials D)Secured nations in the region against attack. I think B
asked by Gav 
physics for physical science
A stone thrown vertically upwards with a speed of 12m/s from the edge of Cliff 70m high. Calculate the time the stone takes to hit the bottom of the cliff.
asked by Justin 
Math
the air pressure of hurricane katrina at landfall was greater than 17 millibars plus the air pressure p before landfall. write and solve an inequality to find the air pressure of the storm before landfall
asked by Angelina 
Writing
She forcefully _______ her view that something needs to be done to reduce crime in the city in front of city council. A. asserted B. snarled C. murmured D. commented
asked by Anonymous 
math
Stem/Leaf  4 /3, 5 5 /0, 5, 6 6 /2, 2, 4 7 /1, 3 8 /0, 4 Key 4/3=4.3 What was the shortest distance, in miles, that a student ran? A)4 B)4.3 C)43 D)43.5
asked by Indigo Aivery 
math
Leslie needs 324 inches of fringe to put around the edge of a tablecloth. The fringe comes in lengths of 10 yards. If Leslie buys 1 package of fringe, how many feet of fringe will she have left over?
asked by Michelle 
Statistics
In the week before and the week after a holiday, there were 12,000 total deaths, and 5916 of them occurred in the week before the holiday. a. Construct a 95% confidence interval estimate of the proportion of deaths in the week before the holiday to the
asked by slomomo 
math
There are four pieces of bubble gum left in a quarter machine. Two are red and two are yellow. Chandra puts two quarters in the machine. One piece is for her and one is for her friend, Kay. If the two pieces are the same color, she's happy because they
asked by Russel Ramos 
Statistic
In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 87% of children
asked by Brandee 
Chemistry
Neutralization reaction HCL(aq) + NaOH(aq) > NaCl(s) + H2O(l) Use your results to determine the netball change of the neutralization reaction, in kJ/mol of NaOH, Write the thermochemical equation for the neutralization reaction. I'm not sure how to even
asked by Julie 
durhamtech
want raptor flow chart for rolling a dice five times and the total com to 20.flow chat must show user how to play the game
asked by zobon 
Math
the air needs to be humid up to about 18,000 ft for a hurricane to form. write an inequality to represent this altitude a of the air above the ocean
asked by Angelina 
Chemistry
Hydrogen sulfide decomposes according to the following reaction, for which Kc = 9.30 108 at 700°C. 2 H2S(g) 2 H2(g) + S2(g) If 0.46 mol H2S is placed in a 4.6 L container, what is the equilibrium concentration of H2(g) at 700°C? So I thought that by
asked by Caroline 
math
The area A equals = πr^2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when r equals= 3ft? This is 9pie right? not 6pie?
asked by John 
Math
air pressure decreases during a storm. the difference between the normal air pressure n and the air pressure during the 1935 florida keys hurricane wasd greater than 121 millibars. write and solve the inequality to find the normal airpressure in the
asked by Angelina 
Calculus 2
find an equation to the curve at the point corresponding to the given value of the parameter. x = tcost y = tsint when t = π i know I am supposed to find dy and dx which is: dy = (product form) t*sint + 1*cost simplifying = tsint+cost dx = tcost+sint
asked by Hanky 
chemistry
When you add 0.320 g of sodium metal to an excess of hydrochloric acid, you find that 3330 J of heat are produced. What is the enthalpy of the reaction as written below? 2Na(s) + 2HCl(aq) > 2NaCl(aq) +H2(g
asked by Catherine 
MATH
How can you calculate the square root of 1.8E5 without a calculator
asked by LOLITA 
Chem
How many moles of NH3 must be added to 1.00 L of solution to dissolve 0.979 g of CuCO3? For CuCO3, Ksp = 2.3 × 1010. Ignore hydrolysis of CO32, but consider the formation of the complex ion Cu(NH3)42+.
asked by lin 
Social Studies
HELP PLEASE!!! How important is India's geography to the beliefs of Hinduism?
asked by Mel 
Physics
A 54.8 g ball of copper has a net charge of 2.5 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)
asked by Carlos Montoya 
Chemistry
According to the kinetic theory, gases consist of particles that A. occupy considerable volume. B. are relatively close together. C. exert attractive and repulsive forces on other particles. D. have motion that is constant, random, and rapid. C?
asked by Ciaria 
math help needed bad
how do I make a box and whisker plot with the numbers 13,13,20,21,21,22,24,27? I put them all in order but since there is only 8 numbers i do not know how to find the median,the lower quartile,upper quartile the lowest value and the highest value. Please
asked by confused 
Math
using a circle graph with 1/3 percussion, 2/5 brass, 4/15 woodwind. There are 30 musicians in the band. How many of them play bass instruments? I think I have to multiply 30 times 2/5 and in simplest form my answer would be 12. Is this correct?
asked by Alice 
Civics
8. Which one of the following provisions was part of the first draft of the Articles of Confederation submitted to the Second Continental Congress? A. Appointment of George Washington as commander of the Continental Army B. Limited and restricted functions
asked by Sarah 
physics
How many kilometers would you have to go above the surface of the earth for your weight to decrease to 39{\rm \\%} of what it was at the surface? Express your answer using two significant figures.
asked by danny 
math
For which pair of functions f(x) and g(x) below will the lim f(x)/g(x)equal 0 xinfinity f(x) e^x; g(x) = x^3 f(x) x^5; g(x) = e^x f(x) x^3; g(x) = ln(x) f(x) x^negative 2; g(x) = e^negative x
asked by John 
Accounting
Consider this statement: "QuickBooks records revenue when an invoice is generated, even though cash has not been received." Is this practice acceptable? Why or why not?
asked by Gloria 
literature
What's the poetic significance of the figures of speech in "the pulley"?
asked by Anonymous 
Math
A ship leaves port and sails northwest for 2 hours, and then sails N35degreesE for three hours. If it does not change speed, what direction must the ship sail to return directly to port? How long will this return trip take?
asked by Kelly 
SCIENCE
WHAT MASS IN GRAMS OF OXYGEN GAS IS CONTAINED IN C 8.5L TANK AT 32 DEGREE CELSIUS AND 3.23 ATMOSPHERE
asked by FLORA 
physics
You can estimate your distance from a lightning storm by watching for a lightning flash and then counting in onesecond intervals using the general rule that you are 1 km away for every 3 s you count. Explain why this rule works. Estimate the distance from
asked by gal 
Civics
5. The United States Constitution delegates police powers mainly to A. state and local authorities. B. the president of the United States. C. Congress. D. the National Guard. A?
asked by Sarah 
MATH!!!!! NEED HELP NOW !!!!
John rolled a standard number cube 20 times. The cube landed on the number 3 six times. What is the experimental probability that John will roll a number 3 the next time he rolls the number cube? * 3/5 2/5 3/10 7/10 There are 12 girls and 8 boys in Mrs.
asked by kaytlin 
chemistry
a solution is prepared by dissolving145 grams of NaNO3 in 100 grams of water at 80*C. the solution is then cooled to 10*C. how much of the solute will come out of the solution?
asked by lisa 
Geography
Iam asian girl. I love geography lesson, because I like to learn about the world. I like to learn about race in the world. I really like the Caucasian race, because they have sharp nose. lol while I have a small nose. Yes, that's the reason why I love
asked by nisa 
chemistry 30
Calculate the enthalpy of reaction for the combustion of ethene.
asked by . 
Math Help Please
If a mother has three bananas, two pears, and two oranges, in how many different ways can she give the fruit to her daughter in one week, one piece of fruit per day? Be sure to say how you could use this with your students and mention any adaptations that
asked by jenifer 
Math
the air pressure of hurricane katrina at landfall was greater than 17 millibars plus the air pressure p before landfall. write and solve an inequality to find the air pressure of the storm before landfall i think the answer is l>17 millibars+p
asked by Angelina 
Algebra 1
Solve each system using substitution. tell whether the system has one solution, infinitely many solutions, or no Solution. 1.) y=2x 1 2x +2y= 22
asked by Lindsey 
biochemistry
Calculate the pH of a solution made by adding 75.0 g of CH3COONa to 750 mL of 0.64 M CH3COOH. Ka for CH3COOH is 1.8 x 105.
asked by nurul 
physics
A car covers half a distance at a velocity of 80km/h and the other half at 60km/h,what is the average velocity of the car?
asked by don 
Physics
A container with a oneliter capacity at 27 degree C is filled with helium to a pressure of 2 atm. how many moles of helium does it hold?
asked by eddy 
Math
Liang wants to form a chess club. His principal says that he can do that if Liang can find six players, including him. How would you conduct a simulated model that estimates the probability that Liang will find at least five other players to join the club
asked by Russel Ramos 
Social Studies
1. One of several economic systems in which the government controls business, not the people. Not sure if it's socialism or education.
asked by Hayden 
Science
2. Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer. (I think I
asked by Grace 
Trigonometry (Identities)
Verify the trigonometric identity: (cos Ɵ  (sin Ɵ  1))/(cos Ɵ + (sin Ɵ  1)) = (1+cos Ɵ)/(sin Ɵ)
asked by Zeke 
Civics
7. If you came to settle on presentday New York City in about 1650, it's most likely that you're of _______ descent. A. French B. Swedish C. Spanish D. Dutch D?
asked by Sarah 
Math
air pressure decreases during a storm. the difference between the normal air pressure n and the air pressure during the 1935 florida keys hurricane wasd greater than 121 millibars. write and solve the inequality to find the normal airpressure in the
asked by Angelina 
Algebra ASAP
I a working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. WalMart has a plan for $30.00 a month with .29 per minute. It includes a $70.00
asked by Thomas M 
Science
Can any one please please help me with popcorn experiment homework? The materials and 1 pack of Orville and 1 movie theater popcorn and let say the timing for both were 4.5 minutes. 1 what is the variables would you need to keep constant(control) in you
asked by Smantha101 
Computerized Accounting
Consider this statement: "QuickBooks records revenue when an invoice is generated, even though cash has not been received." Is this practice acceptable? Why or why not? What are noncash investing and financing activities, and how are they recorded in
asked by Gloria 
biochemistry
What mass of CH3COONa must be added to 50.0 mL of 0.50 M CH3COOH to make a solution of pH 6.0 ?
asked by nurul 
Vectors
How would you write a vector equation for a line using parametric equations? For example: A line is defined by x=2t and y=4+2t,teR. a) Write a vector equation for this line using parametric equations. b) write a second vector equation different from the
asked by Sara 
math
a group of 3 friends shared the cost of a tape recorder. if andy, barbara, and donna each paid $12, $30 and $18, respectively, then donna paid what percent of the cost of the tape recorder?
asked by melvin 
Physics 1014
A large bowl contains water 10cm deep and has a small electric lamp at the bottom.A disc of cardboard is floating on the surface with its centre vertically above the lamp,and is of such diameter that the lamp can just not be seen by a person looking into
asked by Ntakadzeni 
analytic geometry
Find the equation of the hyperbola. Transverse axis parallel to the xaxis, center at (5,1), the rectangle on the axes of the hyperbola of area 48 and distance betwern foci 10. i do nt know how . sorry . pls do help me ..
asked by apple dayana 
grammar
in america we have halloween. in mexico they have todos santos, which means "all saints". this is the day in which people remember family and friends who have died. they visit the cemetery instead of going trickor treat. but htey do have pics of skelotens
asked by Angelina 
Geological Science
What is Groundwater Mining? Explain giving an example of ground water mining in the United States.
asked by Anonymous 
Economics
What is the law of demand and dimishing marginal approach
asked by Anonymous 
precalc
find the rational expression R whose numerator and denominator have degree 2 and leading coefficients of 1 such that (x^2 + 3x10)/(x^2 8x+15) * R = (x2)/(x3)
asked by Anonymous 
Science
What might happen if the mucus in your nose, throat, and lungs suddenly dried up? Help
asked by Yellow 
math
Mary Jo Prenarie is a office manger with the gross earning of $1600 semimonthly. if her company switches pay schedules from semimonthly to biweekly earning. what is Mary Jo new gross earning
asked by Linda 
Calculus
For the question "Determine the equation of the tangent to the curve y = xtanx at the point with xcoordinate π." how is the answer πx + y + π2 = 0?
asked by Sara 
algebra
a community theater group finds that their funding is cut by 12%each year .this year they receive 10,000 in funding from grants and donors
asked by Anonymous 
chemistry
if a student mixes 250 grams of Na2O with 300 grams of H2O how many grams of NaOH ?
asked by Anonymous 
MATH
Money in a bank account that compounds interest by some percentage acts _______.? A.linearly B.exponentially C.negatively D.like a fraction Is it B?
asked by Meredith Grey 
PreCal
Rationalize the denominator of the expression: sqrt2+1/sqrt1
asked by bobbie 
physics
a 0.5KG ball is drop at concrete incline which is 45 degree above the horizontal then bounces off with the speed of 5m/s due to the force applied on it what is the change in its momentum?
asked by musonda 
math
A boat is travelling south at a rate of 18 km/h. A man walks across the deck from east to west at a rate of 16 km/h. Find the magnitude and direction of his velocity.
asked by Kelly 
Mangerial accounting
1.April Green Company has budgeted the following amounts for its next fiscal year: Total fixed expenses $832,500 Sale price per unit $40 Variable expenses per unit $25 By how much will breakeven increase/decrease in units if April can reduce fixed expenses
asked by Amanda Nealq 
algebra
solve using ac method 10a^227ab+5b^2
asked by Stephanie 
Calculus
A curve passes through the point (7,6) and has the property that the slope of the curve at every point P is 4 times the ycoordinate of P. What is the equation of the curve? Simplify the equation as much as possible.
asked by Matt 
Algebra Please!
Posted by Thomas M on Monday, March 9, 2015 at 4:12am. I am working wth a cell phone performance task project. I have to determine which three cell phones are the best for a first time user and develop an equation for each of them. WalMart has a plan for
asked by Thomas M 
sci207: dependence of man on the environment
Which statement is true regarding nuclear energy
asked by Anonymous 
English
1. I dress well. 2. I am a good dresser.  Q1: Are both the same in meaning? Q2: Can a boy say #1? Q3: Do we have other expressions similar to #1?
asked by rfvv 
English
1. What is LingLing not good at? 2. What isn't LingLing good at? 3. Why don't you like apples? 4. Why do you not like apples? 5. Why can't you solve the problem? 6. Why can you not solve the problem?  Are they all grammatical? Which
asked by rfvv 
Math
A flower planter is to be made from landscape ties that are 4 feet long, four inches high and six inches wide. Each planter is 4 ties high. Describe how to build the planters so that they are square
asked by Sam 
math
The probability that Ryan chooses Spanish is 0.86 and the probability that Riley chooses Spanish is 0.73. State the probability that: a. they both chose Spanish b neither of them choose Spanish c. only one of them chooses Spanish d. at least one of them
asked by Kelly 
physics
You need to lift a 200 kg box 5 meters, but it is too heavy. You decide to push it up an incline that makes a 25 degree angle with the ground. With what force do you need to push the box?
asked by gal 
4th grade Science
explain how your circulatory and immune systems work together to keep you healthy. Pleaseeeee help!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by Yellow 
English AP Lit
My class is doing an essay on dracula and I need help with a thesis statement. This is the topic I chose: Issue of Trust & Sharing of KnowledgeIs there ever a time when it is better to be kept/keep others in ignorance? How does this connect to the idea of
asked by Ally 
4th grade Science
why are acids that are found in the stomach and sweat important? HELP
asked by Yellow 
Science
Are all white cells the same? How do you know? Explain.
asked by Yellow 
SOC120: Introduction to Ethics & Social Responsibi
The ethical emotivist would most agree most which statement?
asked by bb 
Math
Write out the partial fraction decomposition of the following rational expression. 3x^27x2/x^3x
asked by Lele 
problem and statistics
In a random sample of 10 online statistics students, information was collected about their minutes studied and their chapter test scores. X is the minutes studied, and Y is the test score. x : {20,30,45,60,80,90,45,120,90,70} y:
asked by Zikera 
physics
a person is pulling a 100 lb box across a smooth horizontal surface. what is the acceleration of the box if they are pulling upward at an angle of 20° with a force of 75 lbs Well, I know that there is no friction involved because it is a smooth surface
asked by Hanky 
COMPUTER
what is scanning
asked by TOCHUKWU 
economics
4) From October 1994 to march 1995, the price of cotton increased from $0.65 to over $1 per pound, the highest level since civil war. According to business week, ‘supplies have dwindled because of poor crops in china, india, and Pakistan. At the same
asked by Anonymous 
algebra
Andy is 47 inches and is growing 3 inches a year. Write a function for his height with respect to the number if years
asked by Josey 
chemistry
Absolute zero is A. the temperature at which the motion of particles theoretically ceases. B. defined as 0°C. C. the triple point for water. D. all of the above D?
asked by Ciaria 
physics
a 6 0 kg piece of aluminum at 645 degrees to celsius is combine with 1.0 kg of ice at 15 degrees Celsius in a thermally isolated calorimeter of negligible heat capacity what is the equalilbrum temperature the mixture evenually reaches?. q1+q2+q3=0 QAl =
asked by sharon 
preCal help please
rationalized the denominator of the expression5 sqrt 3 sqrt5 /sqrt5  sqrt3
asked by anonymous 
MATH
if bar of soap is 40 mm x 25 mm x 2 mm and one cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this bar of soap
asked by Randi 
physics
Show that the kinetic energy of two particles with mass m1 and m2 split into the energy of the centre of mass and the kinetic energy of relative motion.
asked by don 
Calculus (Integral)
How would you take the integral of the following two functions: 1) ∫ 25 / e^x(25 + e^2x) dx 2) ∫ 7x / x^3 + 27 dx
asked by Misa 
english cr
compare and contrast the two differnt versions of the story of the great chicago fire. how does the format of each passage allow the author to add details and information to support his/her purose?
asked by logan 
AP Chem
What is the ph of a .05 L solution containing .075 mol NH3 and 6.80 g of NH4+ when .025 L of 2 M is added to it? Kb= 1.8 x10^5
asked by Lola 
precalculas
write as a single logarithm 2IN plus In y munus In2y
asked by Jim 
STATS PLZ ANSWER
We record the neuroticism ratings of a group of subjects. The subjects have different scores and they fall into normal distributions. In this example, neuroticism is a(n): the answer is Variable, but I don't understand why?
asked by Alicia Estrada 
physics
a 0.5KG ball is drop at concrete incline which is 45 degree above the horizontal then bounces off with the speed of 5m/s due to the force applied on it what is the change in its momentum
asked by musonda 
Math
Dear Ms. Sue, Thank you for helping me very much. I was a little confused on your response to your answer posted at 7:23. Would my answer be 18 instead of 12? Thank you!
asked by Alice 
Math
What factors does X3X have for all X
asked by Anonymous 
math
Scientific notation is most effective when used with _____ a. very small numbers b. very large numbers c. imaginary numbers d. very large and very small numbers D or B
asked by Meredith Grey 
math Functions
The function h(t) = 2 + 50t 1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. A) What is the maximum height reached by the ball (would it be
asked by Rose 
Science
How do i start of my flow chart? It's about generating electricity
asked by Thi 
math
the order of the pole of sin(z)/((z3)^4 * (z^2 + 3)^2) at z=3.
asked by Anonymous 
L.A
ashley I'm sorry for hitting you Does there need to be a comma? If so where does it go? Ashley, I'm sorry for hitting you. am I right?
asked by Kel 
Health Information Technology
I have to create an acute care record and am looking for blank medical templates. The list below is what I need Face Sheet; Registration Form; Doctors Order Form w/orders to include admission, treatment plan, medications; nurses note section; laboratory
asked by Gabby 
physic ap
i want to know im right. my answer: x= 16t^2 + 9.8m/s here is the question: An object, with velocity v0 m/s falls with constant acceleration 9.8m/s. how fast it goes after falling x m?
asked by kylle 
geometry
m
asked by addi 
pre calcuclus
find the first five terms of {2n/3 n+1} a1=2 an+3an1?
asked by leslie 
math/econs
determine the first derivative of:Y=3+10X+5X2
asked by Anonymous 
MATH
HOW TO DO DECIMALS
asked by EVASUAREZ 
INTRO TO STATS
We record the neuroticism ratings of a group of subjects. The subjects have different scores and they fall into normal distributions. In this example, neuroticism is a(n): the answer is Variable, but WHY?
asked by Alicia Estrada 
math
3(m1)=m+9
asked by Dori 
Poetry/english
Hi I'm working on Jabberwocky
asked by Sweet Pea 
English
1. I tell great jokes. 12. I tell good jokes 2. I make great jokes. 3. I am a good joker. 4. i am a great joker.  Are they all the same in meaning? Which ones are correct?
asked by rfvv 
Math, Help
sqrt5sqrt3/sqrt5+sqrt3
asked by anonymous 
Social Studies
Can someone help me answer this question??? Predict how the outlawing of slavery would have affected the South’s economy.
asked by Anonymous 
math
6/(v5)(v+2) if the rational expression is defined for all real numbers
asked by michelle 
math
find the absolute error in measuring 12.25ml of water in a container
asked by �0Š4heza 
FRACTIONS (simplify)
(m+2)/(2)  (m)/(m+2) +(2m^2m^3)/(2m^28)
asked by Tokisetso 
Math
f(x)=2x+10 f(3)...?
asked by kiki 
Precal
graph 2x^2/(x2)(x+4)
asked by Precalculas