Questions Asked on
February 12, 2015

Physics Dynamics
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.69 of the person's regular weight. Calculate the magnitude of the acceleration of the elevator.
asked by Anonymous 
Algebra
1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D) 12n^2 +8n 4. Factor 18s63 A)
asked by Olaf 
art
A conservator is working to restore a large marble statue from a Greek temple by scrubbing it with water and soap. What is a likely drawback to this preservation? A. Breaking of large sections of marble during scrubbing. B. Removing the aged look of the
asked by Anonymous 
science 1 question
Which of the following best explains why it is necessary for the body to eliminate waste? a) to allow the body to maintain a certain size b) to keep the body's internal environment in balance c) to make room for nutrients coming in d) to reduce unpleasant
asked by SkatingDJ 
S.S
Among the first settlers of the Oregon country, after trappers, were the ____ . A.Missionaries B. Merchants C. Schoolteachers D. farmers I think its A 2.What north american territories did Russia control in the early 1800s? A. California and Nevada B. the
asked by Anonymous 
Physics
When man stands on a bathroom scale here on Earth, it reads 560N . Assume each planet to be a perfect sphere with the following parameters. What would his mass be on Mars if Mars has a mass of 6.419 x 10^23 kg and a radius of 3.396 x10^6 m? and what is the
asked by Derp 
Physics
An old building is being demolished by swinging a heavy metal ball from a crane. Suppose that such a 85kg ball swings from a 20mlong wire at speed 10m/s as the wire passes the vertical orientation. What tension force must the wire be able to withstand in
asked by Anonymous 
science
Describe the preparation of 100 mL of 6.0 M HCL from a concentrated solution that has a specific gravity of 1.18 and is 37% (w/w) HCL
asked by Density chemistry 
Physics
You are hitting a tennis ball against a wall. The 0.057kg tennis ball traveling at 29 m/s strikes the wall and rebounds at the same speed. Earth is the object of reference. Determine the ball's change in momentum (magnitude).
asked by Anonymous 
art
1. during which time period were artists keenly interested in using the golden ratio in their paintings a.Baroque period b.oriental period c.futuristic period d.renaissance period 2. what is the best definition for the term visual composition a. a
asked by Please Help 
Geometry
What is the value of x, given PQ  BC? Triangle: A, B, C with bisector PQ AP = 8 PB = x AQ = 12 QC = 18
asked by Anonymous 
AP Chemistry
2 Questions (Multichoice and T/F, though not sure if they're right, and these 2 questions have no correspondence to each other) 1.) a.) Consider the following system at equilibrium where Kc = 1.20E2 and H° = 87.9 kJ/mol at 500 K. PCl5 (g) PCl3 (g) + Cl2
asked by Ian 
Physics
The two angled ropes used to support the crate in (Figure 1) can withstand a maximum tension of 1700N before they break. What is the largest mass the ropes can support? The two angles given are 30 degrees and 45 degrees.
asked by Skyler 
Business Math
A $40,000 loan at 4% dated June 10 is due to be paid on October 11. The amount of interest is (assume ordinary interest):
asked by Carli 
math
George wants to put carpeting in a rectangular living room and a square bedroom. The length and width of the lving room is 12 feet by 18 feet. One side of the square bedroom is 13 feet. It will cost $3.50 per square foot to carpet the rooms. A)Write an
asked by kyle 
English
The speaker in "The Road Not Taken" is a person who? A. Is lost in the woods B.Remembers making a decision C.Is currently standing at a forn in the road D.Likes to walk on a well beaten path.
asked by Help me 
Physics Dynamics
An arrow has an initial launch speed of 32 m/s. If it must strike a target 38 m away at the same elevation, what should be the projection angle?
asked by Anonymous 
physics
while rowing in a race, john uses his arms to exert a force of 165 N per stroke while pulling the .80 m. how much work does he do in 30 stroke?
asked by Anonymous 
Science
Ball A and Ball B are rolled so that they will collide. Does the data in the table below demonstrate the law of conservation of momentum? Ball A Momentum Before Collision= 3 kg m/s Ball B Momentum Before Collision= 2 kg m/s Total Momentum of Both Balls
asked by Callie 
Physics Dynamics
A child slides down a slide with a 24o incline, and at the bottom her speed is precisely onethird what it would have been if the slide had been frictionless. Calculate the coefficient of kinetic friction between the slide and the child.
asked by Anonymous 
Geometry B
Find the exact length of the altitude drawn to the hypotenuse. Do not round. The triangle is not drawn to scale. A triangle with base measures of 9 & 17. Please help
asked by Anonymous 
art
What factor might motivate a museum to hastily restore art without considering whether or not the restoration good for the piece? A. a freshlyrestored artwork will last longer B. a freshlyrestored artwork is easier to display C. a freshlyrestored
asked by anonymous 
math
what are the first four terms of the sequence represented by the expression n(n  1) 4
asked by Please Help 
Health and PE
your doctor tells you that you and your twin sister have the same basal metabolic rate (BMR). You live independent lives and do your own thing, so how can that be? Which factor is likely the reason? A. your age. B. your appetites. C. your required Daily
asked by Dakota 
Math(Asap)
1. A 3,500.00 principal earns 3% interest, compounded semi annually. After 20 years, what is the balance in the account A. 7,700.00 B. 4,713.99 C. 5,600.00 D. 6,349.06 Steve, I got the second one. It was 18,112.45. But I still cannot get the first one.
asked by Tia 
science
An astronaut who weighed 170 pounds on Earth found that his weight on Jupiter was 400 pounds. He captured an alien that weighed 120 pounds on Jupiter. What is the alien's weight on Earth? A. 34 pounds B. 51 pounds C. 78 pounds D. 283 pounds
asked by Spartans 
Science
1.Infrared radiation has wavelengths ranging from about 800 nm to 1 mm. What is the frequency of radiation of wavelength 970 nm? Answer in units of s−1 . 2.Microwaves, such as those used for radar and to heat food in a microwave oven, have wavelengths
asked by Emma 
Math (Asap)
1. A 3,500.00 principal earns 3% interest, compounded semi annually. After 20 years, what is the balance in the account A. 7,700.00 B. 4,713.99 C. 5,600.00 D. 6,349.06 2. A boat costs 92,000.00 and depreciates in value by 15% per year. How much will the
asked by Tia 
Science
In humans having dimples is a dominant trait. in order for a child to have dimples...? I don't know D: xD
asked by Ruby :) 
math
A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 75 per foot and the fence for the other two sides will cost 30 per foot. The farmer has a total of 1750 dollars to spend on the project. Find the
asked by Sam 
math
The University of Oregon girls club soccer team is raffling off a bicycle to raise money for new equipment. If they charge 2 dollars per ticket, they will sell 600 tickets. For each 50 cent increase in ticket price, they will sell 30 fewer tickets. What
asked by Sam 
Science
1. Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? A. NitrogenFixing Bacteria *** B. Denitrifying Bacteria C. Decomposers D. Producers 2. Which step in the nitrogen cycle is
asked by PLZ... CHECK MY WOK~SCIENCE 
Spanish
Sra. Do these look correct? Part I LOS MANDATOS AFIRMATIVOS. Forme mandatos afirmativos directos según el ejemplo: Ejemplo: BUSCARLO (tú) Búscalo 1. CONDUCIR (Ud.) conduzca 2. PREGUNTARLES (Uds.) pregnútenles 3. COMER (nosotros) comamos 4. OLVIDARSE
asked by Anna 
physics
A light, rigid rod l = 5.55 m in length rotates in the xy plane about a pivot through the rod’s center. Two particles of masses m1 = 9.8 kg and m2 = 2.4 kg are connected to its ends find the moment of inertia
asked by d 
Physics
From her bedroom window a girl drops a waterfilled balloon to the ground, 6.9 m below. If the balloon is released from rest, how long is it in the air?
asked by Cetris 
MathProbability
You have a friend who claims to be psychic. You don't believe this so you test your friend by flipping a coin 20 times and having him predict whether each flip is heads or tails. If you are right, and your friend is NOT psychic, the the probability of
asked by Angela 
Quick english check
Use the house on mango street, "No Speak English" to answer the following questions. Please correct me if I'm wrong. 1. Which of the following best illustrates the conflict between "mamacita" and her husband? A. "He worked two jobs. He came home late and
asked by Anonymous 
Physics
How fast do you need to swing a 190g ball at the end of a string in a horizontal circle of 0.6m radius so that the string makes a 30 degree angle relative to the horizontal?
asked by Derp 
science
The flowerpot weighs 5 pounds on Earth and 0.29 pounds on Pluto. Which proportion could you use to calculate a 115pound person’s weight on Pluto? A. 5 over 0.29 = 115 over w B. 0.29 over 5 = w over 115 C. 5 over 0.29 = w over 115 D. either A or B
asked by Spartans 
Physics
Two point charges of +1.0 uC and 2.0 uC are located 0.50 m apart. What is the minimum amount of work needed to move the charges apart to double the distance between them? (k=8.99x10^9Nm^2/C^2)
asked by George 
Physics
A snowmobile moves according to the velocitytime graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 100 s per increment, and the scale for the velocity axis is
asked by Cetris 
physical
Tarzan of mass 80kg swings from rest on a rope of length 10m that is horizontal when he starts at the bottom of his swing his speed is 14m.second he picks up jane sitting on the ground in an inelastic collision jane has a mass of 50kg they then swing
asked by Retyu Zintle 
math
Jane gets 1/2 of a gold star each time she helps her teacher clean up the classroom after art class.How many times would Jane need to help her teacher to earn 3 while gold stars?
asked by Carlos 
Algebra 1
Julia's school is selling tickets to a play. On the first day of ticket sales the school sold 6 adult tickets and 2 student tickets for a total of $40. The school took in $85 on the second day by selling 5 adult tickets and 12 student tickets. What is the
asked by Lyric 
chem
How many grams of calcium chloride will be produced when 30.0g of calcium carbonate are combined with 14.0g of hydrochloric acid?
asked by Anonymous 
english
Everyone knows that a home should be "childproof" to protect young babies and toddlers from illness and injury. (2) Pets are also in danger from many common household sources which many people don't realize. (3) Pets can chew and swallow seemingly safe
asked by amy626 
Physics
A skier moves 100.0 m horizontally, and then travels another 35.0 m uphill at an angle of 35.0º above the horizontal. What is the skier's displacement from his starting point?
asked by Christian 
Chemistry
Given that the initial rate constant is 0.0190s−1 at an initial temperature of 22 ∘C , what would the rate constant be at a temperature of 190 ∘C for the same reaction described in Part A? Activation Energy 32.4kJ/mol
asked by Anonymous 
Chemistry
Given that the initial rate constant is 0.0190s^1 at an initial temperature of 20 degrees Celsius, what would the rate constant be at a temperature of 170 degrees Celsius? Activation energy is 32.4kJ/mol
asked by Greg 
math
The probability of getting a white marble from a bag is 1/5. If there are 37 white marbles in the bag, what is the total number of marbles in the bag
asked by April 
art
An archeologist wants to dig up the burial site of a group of ancient Native Americans, to preserve the artifacts in a museum. What is the drawback for Native Americans to preserving these burial artifacts in a museum? A. The artifacts may not be properly
asked by anonymous 
chemistry
formic acid is a weak acid with a ka value of 1.8x10^4 at 25 celsius a solution with a concentration of .424M formic acid is prepared in a laboratory. 1) Write the ionization equation for an aqeous solution of formic acid 2)determine the ph of the
asked by zack 
physics
A warehouse worker pushes a crate along the floor, as shown in the figure (Figure 1) , by a force of 9.0N that points downward at an angle of 45∘ below the horizontal. Q1 Find the horizontal component of the push Q2 Find the vertical component of the
asked by Luis 
AP LIT
A VALEDICTION FORBIDDING MOURNING by John Donne As virtuous men pass mildly away, And whisper to their souls to go, Whilst some of their sad friends do say, "Now his breath goes," and some say, "No." So let us melt, and make no noise, [5] No tearfloods,
asked by Sam Eaton 
Chemistry!!!!
1. For a reaction mechanism to be plausible, what 2 criteria must be met? 2. The reaction between CO and NO2 to produce NO and CO2 is thought to occur in 2 steps. NO2 + NO2 ====> NO + NO3 NO3 + CO =====> NO2 + CO2 The experimental rate law is, R=k[NO2]2
asked by Michelle 
Trigonometry
An aeroplane flies 200km on a bearing of 137 degrees. How far east of its starting point is it?
asked by Shae 
physics
A light, rigid rod l = 5.55 m in length rotates in the xy plane about a pivot through the rod’s center. Two particles of masses m1 = 9.8 kg and m2 = 2.4 kg are connected to its ends. Determine the angular momentum of the system about the origin at the
asked by d 
AP Chemistry
Consider the following reaction: 2NOBr(g) 2NO(g) + Br2(g) If 0.332 moles of NOBr, 0.377 moles of NO, and 0.375 moles of Br2 are at equilibrium in a 14.6 L container at 429 K, the value of the equilibrium constant, Kp, is ___. [NOBr] = .332mol/14.6 L =
asked by Ian 
math
Janice is making 12 wooden picture frames to give to her friends this year as holiday presents. Each frame has a length of 10 inches and a width of 8 inches. How many total inches of wood will Janice need for all 12 frames?
asked by stanley 
Science
Which of the following is true about diabetes? A. The pancreas overproduced glucose, and so insulin must be injected to reduce glucose levels. B. The pancreas underproduced glucose, and so insulin must be injected to increase glucose levels C. The pancreas
asked by Anonymous 
Accounting urgent
Ellis Co. sold merchandise to Rather Co. on account, $7,150, terms 2/15, n/30. The cost of merchandise sold is $4,290. Ellis Co. issued a credit memo for $850 for merchandise returned and later received the amount due within the discount period. The cost
asked by Arya Pal 
science
The same astronaut visited Pluto. His weight on Earth was still 170 pounds, and his weight on Pluto was only 10 pounds. He removed an ice core with a weight of 25 pounds on Pluto. What is the weight of the ice core on Earth? A. 1.5 pounds B. 15 pounds C.
asked by Spartans 
math
A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 75 per foot and the fence for the other two sides will cost 30 per foot. The farmer has a total of 1750 dollars to spend on the project. Find the
asked by tim 
Chemistry!!!!
1. For a reaction mechanism to be plausible, what 2 criteria must be met? 2. The reaction between CO and NO2 to produce NO and CO2 is thought to occur in 2 steps. NO2 + NO2 ====> NO + NO3 NO3 + CO =====> NO2 + CO2 The experimental rate law is, R=k[NO2]2
asked by Michelle 
trigonometry
a tower 150 meter is situated at the top of the hill.At a point 650 m down the hill.The angle between the surface of the hill and the line of sight to the of the tower is 12degrees 30 '.Find the inclination of the hill to a horizontal plane.
asked by lee12 
History
Which of the following best describes the role of women during the civil war? A.They waited at home b.they built railroads to transport food to troops C.they fought alongside men D.they mangaged families,businesses,and hospitals During the war, many
asked by Help me 
physics
the velocity time graph of a car start from rest and it accelerate uniformly at a rate 3m/s2 for 5seonds if attain the velocity which maintain for 1m the car then brought to rest by a uniform retardation after another 30m. draw the velocity time graph.
asked by simeon 
Math
For what values of a and b is the line 3x+y=b tangent to the curve y=ax^3 when x=–3?
asked by Dani 
mathematics
A book contains 192 pages. A boy reads x complete pages everyday. If he has not finished the book after 10 days, find the highest possible value of x.
asked by boluwatife 
physics
a man raises a mass,m to a height ,h and then shifts it horizontally over a distance ,x. find the total work done against the force of gravity?
asked by jaggu 
Math: Probability
Sally has a jar of 10 marbles, 3 red, 4 blue, and 3 green. If Sally reaches into her jar and selects two marbles at random, what is the probability that the first marble is red and the second is also red? What is the probability that the first is red and
asked by Angela 
Art
A conservator is working to restore a large marble statue from a Greek temple by scrubbing it with water and soap. What is a likely drawback to this preservation? A. Breaking of large sections of marble during scrubbing. B. Removing the aged look of the
asked by Callie 
chemistry
If 0.130 g of paminophenol is allowed to react with excess acetic anhydridre , what is the theoretical yield of acetaminophen in moles ?In grams?
asked by reem 
college physics 1
As part of a fundraiser, the Chancellor has agreed to bungee jump from a crane 45 m above a pool filled with Jello. The plan is for the bungee cord to stop the Chancellor just before his head enters the Jello. Your task is to select a bungee cord that will
asked by somoan 
chemistry
2) why should you use a minimum amount of water to rinse the conical vial while transferring the purified acetaminpophen to the hirsch funnel?
asked by reem 
Physics
Two people are holding up the ends of a 4.40kg wooden board that is l = 1.95 m long. A m = 2.00kg box sits on the board, 0.50 m from one end, as shown below. What forces do the two people exert?
asked by Maria 
Chemistry
Please help!! If the density of fresh water at 4 degrees Celsius is 1.00g/mL, determine if the following objects will sink or float in water. 1.) A 200 feet (61m) tall pine tree that weighs 11,200 pounds (5,080 kg) and has a density of 0.88g/mL 2.) One
asked by Tasha 
math
In order to estimate the height 'h' of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree. The student is 6 feet tall and stands 3 feet from the mirror which is 11 feet from the base of the tree.
asked by Owen 
social problems
. Which of the following social structures is NOT reflected in the act of a wife adopting her husband’s name and foregoing her father’s (her maiden) name? (Points : 1) Patriarchy Heteronormativity Hierarchy Classism
asked by mary 
Geometry
I need some help with a geometry question! connexus()com/content/media/5279341218201342511PM845062975()png 4. What are values of x and y? a. x = 9/4, y = 3/4 b. x = 9/4, y = 15/4 c. x = 15/4, y = 5/4 d. x = 3/4, y = 15/4 I think it's A. Can someone
asked by Sandy East Ward 
Precalculus
Hello, Consider a geometric sequence with t3= 18 and t7= 1458. Are there one or two values for the common ratio? How does this affect the sequence (I got one, but the way this question mentions 2 ratios, I get the feeling there are 2 values.) My work: 1458
asked by Lucina 
Physics
A spaceship in deep space has a velocity of 4000 km/s and an acceleration in the forward direction of 6 m/s2. What is the acceleration of a ball relative to the spaceship after it is released in this spaceship?
asked by Kay 
computer science
Draw a flowchart to print the first N even positive integers and print the sum.
asked by chrissa 
Chemistry
The Haber process is used to synthesize ammonia (NH3) from N2 and H2. The change in standard Gibbs free energy is ΔG°rxn = 16 kJ/mol A. Calculate the equilibrium constant for this reaction B. Calculate the ΔGrxn when you have 2 atm of NH3 (g), 2 atm of
asked by N 
Science
How does the sporophyte generation of a plant differ from the gametophyte generation? Use the words spores, sperm cells, and egg cells in your answer.
asked by Anonymous 
physics
A 14Ω loudspeaker, a 9.0Ω loudspeaker, and a 3.2Ω loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers, assuming that they all behave as resistors. Answer:
asked by Anonymous 
Physics
What is the maximum total force exerted on a 71 kg astronaut by her seat during the launch of the Space Shuttle?
asked by Kayla 
math
If Matt filled a 2 1/5 cup container, how many 1/5 cups would he need to use??
asked by Joel 
Anthropology
Ms.Sue can you tell me if this correct and all the information is in here. Let me know if I missing something? I changed the name. The Cangoan relationship is verypowerful. There relationship with each other, it mainly based on trust. The people know
asked by Casey 
Science
ranging minerals from the hardest to the softest. Chalk, fingernail. steel screw and paper clip
asked by Devin 
Math
Three eighths of the cast in a musical have to sing. What fraction of the cast does not have to sing?
asked by Tom 
Algebra 2
The area of a dining room is 160 square feet. a rectangular rug placed in the center of the room is twice as long as it is wide. If the rug is bordered by feet of hardwood floor on all sides, find the dimensions of the rug.
asked by Anonymous 
social studies
the british commander at the battle of waterloo, lord wellington, once said that he would never attempt to write an account of the battle. why do you think he felt this way ?
asked by Anonymous 
Physics
Two identical resistors are connected in parallel across a 26V battery, which supplies them with a total power of 9.8 W. While the battery is still connected, one of the resistors is heated so that its resistance doubles. The resistance of the other
asked by Anonymous 
Physical sciences
A car starting from rest accelerates. Uniformly for 5sec reaches a velocity of 12m.s1.it then maintains this velocity for 4sec,after which the brakes are applied to bring the car to rest over a distance of 24m. 1.calculate the uniform acceleration
asked by Pearl Motaung 
physics
an object is projected with a velocity of 10m/s from the ground level at an angle to the vertically, the total time of flight of projectile os 10secs. calculate angle when (g=10m/s) show workings
asked by Anonymous 
math
If r = 4 cm, h = 18 cm, and a = 7 cm, what is the volume of birdseed that the bird feeder can hold at full capacity?
asked by Anonymous 
Physics Dynamics
A sled of mass m = 70.0 kg is being pulled horizontally on a frictionless floor by a force F = 420 N that makes an angle 20.0o above the horizontal. What is the magnitude of the normal force applied by the ground on the sled?
asked by Anonymous 
Physics
How does the energy stored in a capacitor change if (a) the potential difference is doubled, and (b) the charge on each plate is doubled, as the capacitor remains connected to a battery? Does the stored energy go up by a factor of 4 for both A and B?
asked by Jep 
math
Please check 27=8x5x 27/3=3x X=9
asked by Marybeth 
algebra
an isosceles triangle is one in which two sides are the same length. The perimeter of an isosceles triangle is 36cm if the length of the congruent sides is 4 times the length of the third side, find the dimentions of the triangle
asked by Mia 
Physics Dynamics
Swimming at 2.00 m/s relative to still water, a swimmer heads directly across a river of width 80 m. He arrives 35 m downstream from the point directly across the river from his starting point. (a) What is the speed of the current in the river? (b) At what
asked by Anonymous 
Math/Trig
From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees respectively. The points and the tower are in the same vertical
asked by Renee 
physics
What happens if we use water instead of kerosene in joules calorimeter experiment
asked by krish 
physics
A 3.6 kg rock is initially at rest at the top of a cliﬀ. Assume that the rock falls into the sea at the foot of the cliﬀ and that its kinetic energy is transferred entirely to the water. How high is the cliﬀ if the temperature of 1.1 kg of water is
asked by Anonymous 
Chemistry 2
Calculate the molality, molarity, and mole fraction of FeCl3 in a 25.7 mass % aqueous solution (d = 1.204 g/mL).
asked by Anonymous 
physics
A frictionless incline is 5.00 m long (the distance from the top of the incline to the bottom, measured along the incline). The vertical distance from the top of the incline to the bottom is 4.03 m. A small block is released from rest at the top of the
asked by anonymous 
Math
How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer. The way you solved this problem was wrong.Aaron did not
asked by Anonymous 
computer science
Please , help me i don't know how to draw a flow chart , how it does..ang we given an !@#$%^&. And i need an example to get others answer. Please illustrate to me the answer of this. Draw a flowchart to print the first N even positive integers and print
asked by chrissalyn 
math
wolfgang wants to enlarge a picture he developed.wich factor listed below would scale up(enlarge) his picture the most if he used it to multiply its current dimension. a) 7/8 b)14/14 c)1 and 4/9 d)3/2
asked by 5th grader 
Antrolopogy
How did systems of Spanish landholding and mining affect native peoples? The Spanish had and affected the way the natives lives and work. They was tortured them till they did what the Spaniards wanted history and enchain them. Native peoples later
asked by Casey 
physics
A student holds two lead weights, each of mass 12 kg. When the students’ arms are extended horizontally, the lead weights are 0.82 m from the axis of rotation and the student rotates with an angular speed of 1.5 rad/sec. The moment of inertia of student
asked by d 
Calculus
Suppose f"(x)=6x2 A. If f'(1)=5, find f'(x). I got f'(x)=3x^22x+4 B. Fine the average rate of change of f on [1,4]. C. Fine the value of x guaranteed by the mean value theorem for r on [1,4]. D. If f(1)=2, find f(x) I am not sure how to do B, C, and
asked by Anonymous 
math
Hey someone use 192 beads to make a necklace and bracelet it takes 5 times as many beads to make the necklace that the bracelet how much beads it take to make the necklace
asked by natalie 
Math
Ms. Peters drove from her home to the park at an average speed of 30 miles per hour and returned home along the same route at an average speed of 40 miles per hour. If her driving time from home to the park was 20 minutes, how many minutes did it take Ms.
asked by Malachi 
Statistics
above average warmth extended over the east and southeast on Jan.13, 2005.The days forecasted high temperatures in four cities in the affected area were as follows: Burlington, Vt. 55 degrees F, Durham, N.C. 74 degrees F, Williamsburg, Va. 74 Degrees F.,
asked by Phyiss 
Science
Which of the following is true about diabetes? A. The pancreas overproduced glucose, and so insulin must be injected to reduce glucose levels. B. The pancreas underproduced glucose, and so insulin must be injected to increase glucose levels C. The pancreas
asked by Anonymous 
Math
A committee of 100 Democrats is formed with 22 members from the East, 38 members from the Midwest, and 40 members from the West. If a random sample of 3 members from this committee is selected, what is the probability to the nearest percent that all 3 are
asked by Ashleigh 
Sciencee
which of the following best describes the function of the endocrine system A. it secretes chemical messengers that travel through the blood to signal changes at target cells. B. It blinds chemical messengers that travel through the blood from target cells.
asked by princess Princess 
Anthropology
In what ways did the indigenous peoples react to European Colonialism? European Colonialism fundamental decisions affecting the lives of the colonized people implemented by the colonial rulers in pursuit of interests that are often describe in a distant
asked by Casey 
algebra
Deposit is $15 and coat of hour is $4.20 so write an equation to represent the total cost y renting a tube for any number of hours x.
asked by daisy 
coquitlam
Determine the molarity of standard sodium oxalate
asked by supanpreet 
linear
If possible, solve the following linear systems by Cramer's rule. 2x1 + 4x2 + 6x3 = 14 x1 + 2x3 = 0 2x1 + 3x2 − x3 = 30 i am having trouble with this one
asked by jessica 
science
what happens when two objects of unequal masses collide?
asked by emily 
linear algebra
If possible, find an example of actual numbers c1, c2, and c3, not all zero, so that the following is true. c1[3,3,−1] + c2[1,2,−3] + c3[−11,−13,9] = [0,0,0]
asked by hannah 
Calculus
I am not too sure if I did this question correct. Thanks in advanced! Data table: Time after Consumption (min): 30 60 90 120 150 180 Amount of Codeine in Blood (mg): 27.0 23.5 21.2 18.7 16.6 14.5 1.) create a scatter plot of the data and determine a
asked by Sara 
Science
describe how mutation might might have influenced the development of different species of finches that darwin observed on the galapagos islands
asked by Student 
Math
One side of a triangle is half the longest side. The third side is 7 less than the longest side. The perimeter is 53 feet. Find the three sides
asked by Grace 
Science
What is the pattern with these fractions 1/4 1/9 1/16 1/25
asked by M 
chemistry
Methanol burns in oxygen to produce carbon (iv) oxide and water if 9 grams of methanol are used in the combustion process what mass of water is produced
asked by Regina 
Math
The displacement (in meters) of a particle moving in a straight line is given by the equation of motion s = 4/t^2, where t is measured in seconds. Find the velocity of the particle at times t = a, t = 1, t = 2, and t = 3.
asked by Tay Tay 
math
Please check 37=3x+117x 48=11x X=2 2/7 m/32=10 m/3=6/3 M=2
asked by Marybeth 
Accounting urgent
Foster Glass Company purchased a fax machine on July 1, 2007 for $1,800. The fax machine had an estimated useful life of three years and a salvage value of $300. Assume Foster uses the doubledeclining balance (DDB) depreciation method. Foster decided to
asked by Arya Pal 
chemistry
Write both Kc and kp for the following reversible reactions: (wdp pg. 738) 2SO2(g) + O2(g) ↔ 2SO3(g) 2NH3(g) + H2SO4(l) ↔ (NH4)2SO4(s) S(s) + H2SO3(aq) ↔ H2S2O3(aq)
asked by shalom 
Science
Air, like other gases, flows from a region with ________. A. Lower pressure to a region with higher pressure B. No pressure to a region with high pressure C. Little pressure to a region with high pressure D. Higher pressure to a region with lower pressure
asked by Diana 
Math
john and Julia are playing a game of darts. For each round, eqch of them throws exactly one dart and receives the number of points indicated in region of dartboard where the dart lands. Just after the first round , the dartboard looks like the diagram
asked by Nick 
Geometric progression
The Product of three Consecutive terms of a G.P. is 64 and the first term is four times the third. find the number.
asked by Anonymous 
geluksdal secondary school
Explain how you can determine the number of neutrons in an atom
asked by monica 
physics
An object is placed in front of a concave mirror, 16.0 cm from the mirror's focal point. The image formed by the mirror is two times farther away from the focal point. Calculate the focal length of the mirror. There are actually two possible image
asked by Ted 
Physics
Initial velocity is 21 m/s, the angle is 40 degrees, 20 meters away from the wall. How long is the ball in the air for?
asked by Trevor 
Science
How would a woman at an airport staring out of a window at an airplane know that the plane she is watching was moving? A. She could use the plane as a reference point. B. She could use the building behind the plane as a reference point. C. She could use
asked by Callie 
Calculus
What would an example of a logarithmic function that contains a radical within it and a quotient within it where you would need to use chain rule and quotient rule to take derivative look like? How would taking the derivative of the function in its
asked by Robin 
Georgia government HELP! ASAP!!
in 35 sentences describe the apportionment system for state legislative districts I cant seem to think of any please help. Ms.Sue
asked by annonomys 
math
How much did Aaron start with? Aaron spent 3/7 of his money. He gave 1/4 of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.
asked by Anonymous 
Calculus
Integration with trig functions Integral of [(1sinx)/cos^2x] dx
asked by Anonymous 
math
How much did Aaron start with? Aaron spent 3/7 of his money. He gave 3 of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.
asked by Anonymous 
ALGEBRA
a VIDEO TAPE CAN RECORED 2 HRS ON SHORT PLAY, 4 HRS ON LONG PLAY, OR 6 HRS ON EXTENDED PLAY. after RECORDING 43 MINUTES ON SHORT PLAY AND 27 MINUTES ON LONG PLAY, HOW MANY MINUTES CAN IT RECORD ON EXTENDED PLAY?
asked by Anita 
Math
How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.
asked by Anonymous 
math
Suppose in a town threefourths of the men are married to onehalf of the women. What is the ratio of men to women in this town?
asked by Erika 
Chemistry
What happens when sulphur reacts with iron? Does it make any colours before it turns dark grey? Does it do anything significant that I should need to know? I know that it is an exothermic reaction but is that it? Please help, Thanks.
asked by Alice 
bioilogy
Discuss possible benefits and drawbacks of a transgenic organism such as Bt corn?
asked by jeff 
Anthropology
What age grade (age set) do you find in the United States? Are there more than one?
asked by Casey 
Calculus
Integrate: Indefinite integral of [(sqrt(x))1]^2 / [sqrt(x)] dx
asked by Anonymous 
Math
How much did Aaron start with? Aaron spent 3/7 of his money. He gave ¼ of the remainder to his sister. He had $120 left. How much money did he have in the beginning? Explain how you got your answer.
asked by Anonymous 
Calculus
What would an example of a logarithmic function that contains two trig functions within it where you would need to use chain rule and product rule to take derivative look like? How would taking the derivative of the function in its original form look
asked by Robin 
Earth Science
18. How many chemical reactions are possible regarding the formation of carbonic acid and the dissolving of calcite? A. 23 B. 10 C. 2 D. 3 I am stuck on this I looked in my text book and it shows the words but not the number answers!
asked by Sarah 
Project Mangament
How would a structure project teams to improve communications the most in an agile environment?
asked by Casey 
Accounting urgent
What would be considered quick assets out of Cash& Short term investments......$47.3 receivables.........159.7 inventories...........72.3 prepaid expenses&other current assets...32.0 total current liabilities..........130.0 total
asked by Arya Pal 
Anthropology
I am doing project and need some assisting. Please help me. This only part I need do. In this system, it is important that the tribes inhabitants know about recitatives and how they describes such relationship.Identify if they only speak of living members
asked by Queen 
science
Im doing a poster for school and its about when a candle is alight and I don't under stand it could you please help
asked by skyler 
chemistry
I need to identify the two experments that could be used to investigate the effect of the temperature on the rate of reaction
asked by Victoria 
Math
Using the equation B=p(1+r)^n [B, Balance; p, principal deposit; r, rate; n, number of interest periods]. Find the balance when you have $17,500 in the bank at 4.25% compounded annually for 6 years. I know the answer but not how to do it.
asked by Christie 
Trigonometry
Find exact value of each expression sec^1 (2root3) / 5 I have no idea what to do to make that into a value. I know that sec^1 is in quadrants one and two, but I'm not sure how to use that to solve the problem. Thank you!
asked by Serena 
math
Write an equation in slopeintercept form for the line that satisfies each set of conditions, That Passes through (5, 2), parallel to the graph of x+2y=8
asked by Readytolearn 
math
r the thrust of aiplane's engine produces a speed of 350 mph in still air . the plane is aimed in the direction of but its velocity with respect to the ground is mph .find the wind velocity .explain whether this is a tail wind or head wind .
asked by djo 
economic
which policy will be favorable for the consumers (buyer of the cars only) of Pakistan.
asked by fatima 
history
What type of government was applied by the emperor as described by the fact that they ruled 'fairly '
asked by Felicia 
chemistry
I need to identify two terms that can be applied to electrons
asked by Victoria 
statitics
Explain why this is or is not a probability distribution. x 1 2 3 4 P(x) 0.4 0.3 0.4 0.1 Please I do not understand!!
asked by slomo 
Business Law
An agent who has an interest in the subject matter of the agency has a ________ agency? A. irrevocable B. express C. interested D. undisclosed I chose C. Am I correct?
asked by Tine 
Science
Which force is pushing the riders in the swings on a swing chair ride out from the center of the ride? A. Free fall B. Gravity C. Momentum D. Centripetal force Is the answer D? Thank you
asked by Calie 
Math
1.(y^5)^10y^10 A) y^60 B) y^60 C) y^150 D) y^150 Can anyone help please? I have tried solving it, but it's mind boggling.
asked by Tia 
Anthropology
I need help on this question, I could not this one in the book. In what ways did the indigenous peoples of North America become involved in European trading networks? Did this involvement have any impact on their modes of subsistence
asked by Casey 
Science
What is the first activity of the digestive system?
asked by Diana 
prealgebra
P/3  7=2
asked by Bink bean 
Calculus
Integration with USubstitution Integral of [x/sqrt(x+1)] dx I'm getting confused with how to deal with the x when I find the derivative of (x+1) because they don't match.
asked by Anonymous 
fristyear physics
two girls a and b weighting 40 and 30 kg both of them pull 14m held by them.they will meet when covers a distance of?
asked by sumbal 
math
3cups to 8cups in simplest form
asked by kamaron 
English
what does rhetoric mean in this sentence? He has toned down the rhetoric since his starcrossed days as minister.
asked by Elizabeth 
Math
Each tub contains how many pickles? Write the equation.
asked by Raven 
Legal Rights
Can someone point me in the right direction on where to find this answer? After discharging Brewster as his collection agent, Wayne hires Graham to collect his accounts. Graham, new to the collection business, is unaware of the proper procedure. He places
asked by Giovanna 
Math
Suppose in the early 1900s the levels of CO2 in the atmosphere was only 64% of the levels of CO2 today. What percentage more is the level of CO2 today compared to the levels of CO2 in the early 1900s?
asked by Erika 
Earth Science
Could I have some help with the question down below?
asked by Sarah 
Accounting urgent
Whistle manufactures referee whistles. At the end of February, Whistle has 2,000 pounds of steel for whistles inventory. Whistle expects to produce and sell 50,000 whistles in March. Each whistle requires a standard quality of .2 lbs of steel. Whistle
asked by Arya Pal 
Math
Sondra is trying to figure out how much fence material to buy for her rectangular garden. The garden is 18 feet long, and its width is 1/3 of its length. How many yards of fencing should she buy?
asked by Sis 
calculus
integral sec^1 x dx
asked by akki 
calculus
integral sqrt(1x^2) . sin^1 x dx
asked by akki 
math
3 over 4 in percent
asked by tj 
math
120.25 + 7/28
asked by Anonymous