Questions Asked on
January 24, 2015

Physics
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle
asked by Anonymous 
vet tech
The ear is ___ to the eye? A.palmar B.rostral C.caudal D. Cranial. I put d but they said it's wrong so what else can it be?
asked by cali 
english
Identify the sentence that is punctuated correctly. a Give me a call tomorrow, veronica, when you get home, so we can discuss the details of the upcoming event. b. Give me a call tomorrow, Veronica, when you get home so we can discuss the detail of the
asked by Anonymous 
Pre Calculus
Approximate, to the nearest 0.01 radian, all angles theta in the interval [0,2pi) that satisfy the equation. a.) sin theta=0.0135 b.) cot theta=2.731 Thank you for helping! I appreciate it!
asked by Anonymous 
Math
Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top of a building 59 ft tall.
asked by G 
socialstdies
Which of the following was an advantage of the South at the beginning of the Civil War? (1 point) The South had agricultural products to provide food for the army. The South had many factories that created superior machinery. The South had a more advanced
asked by XenaGonzalez 
math
A box with a square base and no top is to be made from a square piece of cardboard by cutting 4in. squares from each corner and folding up the sides, as shown in the figure. The box is to hold 324 in3. How big a piece of cardboard is needed?
asked by G 
Geometry ques
Find the area of the region bounded by C: y = tanx , tangent drawn at C at x = pie/4 and the x axis.
asked by Shanu 
statistics
In a class of 300 students, John’s rank was 40. Find his percentile rank
asked by Anonymous 
math
If 60 feet of uniform wire weighs 80 pounds, what is the weight of 2 yards of the same wire?
asked by Irene Wu 
Chemisty Help
using 1bromobutane and any necessary organic or inorganic reagent, suggest efficient syntheses of each of the following alcohols: 1) 1pentanol 2) 2hexanol 3) 1phenyl1hexanol 4) 3methyl3heptanol 5) 1butylcyclobutanol Thank you!
asked by Anonymous 
statics
in a certain normal distribution , 1.25% of the area lies to the left of 42 , and 1.25% of the area lies to the right of 48. find population mean and sigma
asked by Anonymous 
College Physics
An electron in a television tube travels the 12 cm distance from the grid to the screen at an average speed of 7.00 107m/s. How long does the trip take?
asked by John 
math
If p pencils cost d dollars, how many pencils can be bought for c cents?
asked by Irene Wu 
physics
an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how far away is he from the starting position?
asked by tarkan 
social studies 8th
1. What was an underlying source of tension in westward expansion during the 1850s? (1 point) the inflation of goods a sharp decrease in population whether newly added territories should allow slavery **** disagreement over whether the economy of new
asked by TINA 
Geometry
How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common (touching) with at least one of the other cubes? We have to use a physical model. And I have no idea how to start this or even do
asked by Cathy 
Language artsssss
Which sentence correctly uses a predicate pronoun as a subject complement? (1 point) The last arrivals were Joe and I. This year's soccer champions were Lana and me. The tribute deeply touched my brother and I. My boyfriend became my best friend. 8. Which
asked by XenaGonzalez 
Math
What simplified common fraction is equivalent to 0.05757575757
asked by Scott 
math
A piece of fabric is cut into three sections so that the first is three times as long as the second and the second is three times as long as the third. What part of the entire piece is the smallest section?
asked by Irene Wu 
chemistry 113
What is the wavelength of light that has a frequency of 6.80E+14 Hz. Express the wavelength in nanometers
asked by ALEX GOLD 
chemistry 113
The AM band of radio waves are measured in kilohertz (kHz), which are the numbers you see on the AM radio dial. Therefore, a radio station at 610 on the AM dial has a frequency of 610 kHz or 610,500 Hz. What is the wavelength of the radio station that has
asked by ALEX GOLD 
math
Perimeter of rectangle and a square are equal. Perimeter of the square is 96 cm and breadth of the rectangle is 4 cm less than the side of the square. Then two times the area of the rectangle is
asked by ARUN 
statistics
In throwing a pair of dice The event of getting a sum of 5 in the upturned faces of dice.
asked by flor 
science
A tractor pulls a tree trunk across a horizontal piece of ground. If the force in a chain is 3000N and the chain forms an angle of 30 degrees with the ground, calculate the force with which the tree is pulled across the ground and the force with which the
asked by Anonymous 
Math
True or false and if false write a true statement 1. A right triangle has three right angles. 2. A triangle that has three sides of the same length is an equilateral triangle. 3. An obtuse triangle has two angles that are acute. 4. In a right triangle the
asked by Randy 
Business Law
To obtain a social security number you must complete a form and show evidence of where you were A. live B. where to school C. go to Church D. were born I chose D. Check my answer to make sure please? Because I was stuck between A ad D.
asked by Tine 
Science
For the dissociation of acetic acid, CH3COOH CH3COO + H+, the free energy change, ΔG° = 27.26 kJ/mol. What is the free energy change, ΔG°', in the biochemical standard state? Given R = 8.315 J/mol · K. T = 25°C.
asked by Laura 
Math .Static
Consider two events A and B in the same sample space such that P(A)=0.4 and P(B)=0.3. Then A and B are mutually exclusive. True or False
asked by denial 
Algebra
Let n! = 1 x 2 x 3 x 4 x ... x n for integer n >_1. What could be the value of 1! +(2 x 2!) + (3 x 3!) + (4 x 4!) + ... (10 x 10!)?
asked by Shanu 
financial accounts
sandeep purchased a machinery for 21000 on 1 January 2001. the estimated life of the machine is 10 years after which its residual value will be 1000 only.find out the amount of depreciation and prepare machinery account for the first three years according
asked by medi 
Geometry
The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted
asked by Cathy 
Physics
Three charges, Q1, Q2 and Q3 are located on a straight line. The charge Q3 is located 0.136 m to the right of Q2. The charges Q1 = 1.22 μC and Q2 = 2.46 μC are fixed at their positions, distance 0.301 m apart, and the charge Q3 = 3.03 μC could be moved
asked by Anonymous 
Physics
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle
asked by Anonymous 
history? help
In this portfolio assignment, you have chosen an event from the Civil War or prewar era, have taken notes on this event, and now will take on a persona from the event. For example, you could choose to portray a Union soldier at Gettysburg, a plantation
asked by XenaGonzalez 
Geometry, Cubes
The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted
asked by Cathy 
math
At c cents per pound, what is the cost of a ounces of salami?
asked by Irene Wu 
Algebra Rearrangement
Please rearrange h=rx^2tx to make x the subject.
asked by Nick 
Math
Atop 50m tower, Jack sees smoke in two areas. One is on a bearing of 40degrees with an angle of depression of 8degrees, and the other on a bearing of 205degrees with and angle of depression of 13degrees. How far apart are the smoke sources? I'm not sure
asked by Abdul 
biology
a biologist prepared a strip of agar (a gelatin like substance) as shown in the figure below. at position 7, he placed a concentrated sample of amino acid A and at position 1, a concentrated sample of enzyme E. E is known to catalyze the conversion of A
asked by stella 
College Physics
Two pucks traveling at each other collide and deflect at 30.0° angles from their original velocities. The mass of Puck B is 20% greater than the mass of Puck A. Before colliding, the pucks approach each other with momenta of equal magnitudes and opposite
asked by Bill Smithers 
Physics
1) if a positive and negative charge each has a magnitude of 6 uC and are separated by a distance of 10 cm, what is the force between the particles? 2) Given that the repulsive force between two identical positive point charges is 1.0 N when the charges
asked by Help! 
Intro. Physics!!!
1 A 10 uC charge is placed 0.20 m away from an unknown charge. The force between the two charges is found to be attractive and has a value of 9.0 N. What is the magnitude and sign of the other charge? 2 A 5 uC charge is a distance of 12 cm
asked by Anonymous 
Physics
car leaves skid mark 72m in length with a deceleration speed of 7.20m/s^2. what was the initial speed prior to braking?
asked by David 
chemistry
Calculate the final temperature if 50 kg of iron is heated from 15.0°C with 5000 kJ of heat. The molar heat capacity of iron is 25.08 J mol–1 K–1.
asked by Lisa 
law
how they can determine whether or not the jury's decision was right or wrong. Does it come down to matter of opinion by the judge? Is it biased? How does that work with posttrial motions.
asked by Kim 
physics
A series of two 2.0 kg blocks are attached together through string B.Two of the blocks weigh each 2.0 kg and are now being use for a new experiment. The blocks are being pulled upwards by another string A with a force of 25 N. What is the acceleration of
asked by Anonymous 
Chemistry
What two factors inﬂuence the effectiveness of molecular collisions in producing chemical change?
asked by Anonymous 
chemistry 116
You have a rigid sealed container held at a constant temperature. You add 3.3 atm of oxygen gas, 1.7 atm of nitrogen and 4.2 atm of methane to it. What is the partial pressure of the oxygen gas in the container
asked by ALEX GOLD 
chemistry 113
What is the molar mass of iron(II) chloride tetrahydrate? The error interval is +/ 2 g/mol.
asked by ALEX GOLD 
chemistry 113
How many grams of sodium sulfate do you need to create 750 mL of a 0.250 M solution of sodium sulfate
asked by ALEX GOLD 
Chemistry
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M TI3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find the endpoint. F=96486.7 Cmol E0 Sn4+/Sn2+ =0.15V E0 TI3+/TI+ = 1.28 Esce = 0.241V R=8.3141 J K Mol (D) calculate E at the
asked by Sam 
Chemistry (Chromatography)
Comment on the order of elution of the following solutes in (a) normalphase and (b) reversedphase liquid chromatography. Give reasons for the difference. Solute X nonpolar Solute Y polar, a dipole Solute Z polar, more polar than Solute Y
asked by Jacob 
Math
Hi! Can you check my answers to this worksheet? They're the only questions I'm not positive about my answers on. 1. Compared to its parent function, describe the transformation of the following: y = x3 + 2 A. Reflected with respect to xaxis, moved up 2.
asked by Krystal 
Physics
Two students on roller skates stand facetoface, then push each other away. One student has a mass of 96 kg and the second student 56 kg. Find the ratio of the magnitude of the first student’s velocity to the magnitude of the second student’s velocity.
asked by Marie 
maths
Radius of a circle inscribed in a regular hexagon is 24 c.m. then find the length of hexagon
asked by sanjay 
accounting,life science and history
What course can I do in college o university and career job can I persue after I've got my degree
asked by nokuthula molekoa 
Trigonometry
Law of Sines sigma=27 deg 30' c= 52.8 a=28.1 Please show two solutions (beta1, beta2,...) due to acute and obtuse angles. Thank you so much for helping!
asked by Anonymous 
math
what are the next four of the sequence represented by the expression 3n+5?
asked by Please Help 
linear algebra
If A is an n × n matrix, then A = S + K, where S is symmetric and K is skew symmetric. Let A= [1 3 2;4 2 2;5 1 2] Find the matrices S and K described above can some0ne explain how to get these two matricies? thanks
asked by sam 
physics
A series of two 2.0 kg blocks are attached together through string B.Two of the blocks weigh each 2.0 kg and are now being use for a new experiment. The blocks are being pulled upwards by another string A with a force of 25 N. What is the acceleration of
asked by Anonymous 
Social studies
In Greece what were the first competitions other than sports in the Olympics
asked by Anonymous 
physics
Tom has a mass of 67.2 kg and Sally has a mass of 58.5 kg. Tom and Sally are standing 23 m apart on a massless dance floor. Sally looks up and she sees Tom. She feels an attraction. If the attraction is gravitation, find its magnitude. Assume both can be
asked by Andy 
Math
Check my math please... is the probability of three events with the following individual probs: 1/161x10/100x20/100=0.00012; and that is a 0.012% (1.2%) chance? Thanks
asked by charlie 
home economics
Please help me!,how is home economics related to mathematics,science and social,spiritual and moral education (ssme)?
asked by sara 
physics
One particle has a mass of 2.86 x 103 kg and a charge of +7.32 μC. A second particle has a mass of 6.41 x 103 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and when the separation
asked by S 
psychlogical statistics
A random selection of files from a student counseling center revealed the following reasons why college students seek services: Mental health issues  25 Learning/school issues  15 Relationship issues  5 Other  5 What is the probability that if we
asked by theresa 
businessprogramming
A cattle feed company has two grades of feed , A and B . Feed A cost $2 per 100 pounds and feed B cost $3 per 100 pounds . Ranchers can order a mixture of feeds A and B . Write a program that calculates the charge for a feed order . The program should ask
asked by Marsha 
Social Studies
2.)Why were Native Americans forced to leave their lands during the 1830s? a.)settlers wanted to settle the land b.)U.S. citizens settled the land first c.)the Supreme Court ordered their removal d.)their new lands were better for farming 4.)How did
asked by Yvonne 
Algebra
Identify the solutions of equations if any x+2y=7 6x2y=7
asked by Linda 
Concept development
A lesson plan is important for a teacher because it helps the teacher A. make decisions about what to teach on a daily basis. B. formulate experiences that will aid in concept development. C. organize his or her thoughts. D. remember the students' names.
asked by Daniella 
Business Law
Many wills are held to be void because they were drafted and signed by people who did not seek: A. Witness B. Relatives C. Legal Advice D. Agents. I chose A. Witness.
asked by Tine 
math
if I save 3200 for 40 years with 9% interest rate how much will I have saved
asked by mary 
Physics
In a 100 m linear accelerator, an electron is accelerated to 1.40% of the speed of light in 46.0 m before it coasts for 54.0 m to a target. What's the electron's acceleration during the first 46.0 m? b) How long does the total flight take?
asked by Jay 
concept development
Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time my answer is d.
asked by Daniella 
chemistry
A sample of 10.00g of a solid unknown was dissolved in 25.00g of water. Assuming that pure water freezes at 0.0°C and the solution freezes at 5.58°C, what is the molal concentration of the solution? What is the molar mass of the solid? Show your
asked by paula 
concept development
Which of the following is not a reason to make mathematics and science instruction relevant? A. To protect schools from being sued for discrimination B. To consider diversity in race, ethnicity, social class, and gender C. To build on concepts that
asked by Daniella 
chemistry help
What are the differences in measuring the molar mass using freezing point depression between studying ionic solids and molecular solids?
asked by paula 
precalculus
The terminal ray of an angle passes through the point (5,12). What is the value of cosine for this angle?
asked by Anonymous 
maths
Radius of a circle inscribed in a regular hexagon is 24 c.m. then find the length of the side of hexagon
asked by sanjay 
Geometry
The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted
asked by Susan 
algebra
The line l_1 passes through the points (3,3) and (5,2). The line is the graph of the equation Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive. Find A + B+ C.
asked by Kevin 
MATH Fractions
I have two marbles. 1/6is blue. How many marbles do I have
asked by belange 
chemistry 116
Chlorine is used to disinfect drink water supplies and pool water. Suppose you have 13.8 L of Cl2 in a cylinder at 1000 torr and 24 C. How many grams of chlorine do you have in the gas cylinder?
asked by daniel miller 
chemistry 116
Suppose someone had an excessive Friday evening drinking party and then did the ultradumb thing of driving home while drunk. Luckily, the person got pulled over by the police before they can injure anyone else. The police took a blood alcohol reading of
asked by daniel miller 
Geometry
P(2ap, ap^2) is a any point on the parabola x^2=4ay other than its vertex. The normal at P meets the parabola again at Q. Find the coordinates of Q.
asked by Shanu 
chemistry 116
Old fashion steam locomotives operated by boiling water and using the steam to drive a piston that moved the train. How much energy ( in MJ) is required to turn 824 gallons of water at 100 C into steam? The heat of fusion for water is 6.01 kJ/mol and the
asked by daniel miller 
math
2x2 + 8x + 3 = 0
asked by ALEX GOLD 
physics
A ball of mass 21.7 g is attached to a cord of length 0.61 m and rotates in a vertical circle. What is the minimum speed the ball must have at the top of the circle so the cord does not become slack? The acceleration of gravity is 9.8 m/s . Answer in units
asked by d 
math
The quadratic equation frequently appears in both the equilibrium and acidbase sections of General Chemistry. Therefore, it is useful to refresh the use of the quadratic before applying it to chemistry questions. Which of the following answers is a viable
asked by ALEX GOLD 
Math
1. "A bacteria population doubles in number every 3 hours. If there are 40 individuals now, how many in 24 hours?" SO I used the geometric series sum formula, with n=8(24/3=8), t1=40, and r=2, but I got 10200 as the answer, instead of what the answer key
asked by Bethany 
physics
After coming down a steep hill at a constant speed of 49 m/s, a car travels along the circumference of a vertical circle of radius 329 m until it begins to climb another hill. What is the magnitude of the resultant force on the 170 kg driver of the car at
asked by d 
Static
The country of Statland runs a national lottery for its people. In this lottery, an urn contains 42 balls that are individually numbered 1, 2, ..., 42. Each week, 5 balls are drawn from the urn without replacement. Gamblers pay a small sum to predict these
asked by De 
Algebra
To prove: (1 + 2 + 4 + . . . + 2n) + 1 = 2n+1 , ?n = 0 by induction
asked by Shanu 
Trignometery
Kappy is looking up at a blue UFO hovering above a crop circle with an angle of elevation of 64°. The crop circle is 42m from Kappy. A larger, red UFO is hovering straight above Kappy, looking down at the blue UFO with an angle of depression of 12°. How
asked by Shanu 
Science
Identify and discuss at least two forces that would be involved when an elderly patient who is proped up at about 4 degrees in a bed and slowly slides down to an almost horizontal position?
asked by Ella 
Algebra tricky ques
if w is one of the complex cube roots of unity, show that 1+w equals 1. w is raised to power 2
asked by Shanu 
Set Question 1
Simplify(X U Y U Z) n (X U (Y n Z))
asked by Shanu 
Probability Ques
what is the probability for getting four cards higher than 10 on one hand in whist.
asked by Shanu 
Paarabola Ques
what is the conditon fost. line y=mx+c to be normal to parabola y^2=4ax?
asked by Shanu 
Health
Scenarios that requires a patient to be a person assist instead of one person during patient care and why? I already have someone paralyzed and that is badly injured? What are some more?
asked by Jamie 
Physics
Any help direction is appreciated. Inez is putting up decorations for her sister's quinceanera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs from each ribbon a rubber balloon. To include the
asked by Hanna 
Physics
A car slows down from a speed of 24.0m/s to rest in 9.0s, How far did it travel in that time?
asked by David 
Mathematics
A train travels 60 km at a constant speed of 40km per hour for 1.5 hours. Explain why the total distance traveled does not affect the speed.
asked by Andre1 
maths triangels
a building having height 25ft cast a shadow 35ft and a person standing on the building of height h and cast a shadow 10 ft wht is the height off man ? please answer me how to solve
asked by jaspreet 
combination probability
A bag contains 6 red, 7 white and 5 blue marbles, how many ways can four marbles be picked where there are an equal number of red and white marbles? Is it 315 ways?
asked by mary 
math
my sun in thea 1st grade me no understand to much english i need very much help what is 9+10=??? me having very hard time help asap
asked by fgar 
maths
chnge engineering stress=34.67*10 rais to the power6 peta newton/metersquare to atto lb/square miles?
asked by jaspreet 
physical
an orienteer runs 300m north and then 400m to the southeast (at a 45 degree angle to north). if he runs at a constant speed, how far away is he from the starting position?
asked by tarkan 
Education/college
I had to create some learning goals for a personal Finance course (I am pretending to teach. I have these learning goals that I need to make less ambiguous. Can you help me? Balance a checkbook Understanding the banking process Identify pros and cons of
asked by Cathy 
Math
how could you change one of the squares so that a right angle would be created
asked by Daisy 
physics
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.82 m. The stones are thrown with the same speed of 8.88 m/s. Find the location (above
asked by Syd 
Maths
If 15 swallows flew 380 miles south then had a rest,then flew 800 miles towards the coast. How many miles did each fly? How many miles they flew altogether?
asked by Jim 
Math
Cannon wants to make a garden with a border of his yard. He has lumber in several different lengths. Which three lengths could be used to make a right triangle to fit into the corner of his yard? A. 4ft.,6ft.,10ft. B.7ft.,12ft.,15ft. C.5ft.,12ft.,13.
asked by Daisy 
English
I am currently writing an argumentative essay about religion. The question is; Does religion better us as a society or does it create more conflict and division in the world? Being the Devils Advocate that I am I am going to argue that it creates more
asked by Briana 
Math
Hi! Can someone help me with these? I just learned about them yesterday but I'm really confused. All my teacher wants me to do is solve each equation and that's all the directions she gave. Thanks so much! 1.) 3cot^2 x1=0 Location on Unit Circle: Period:
asked by Stephanie 
Math
Q1.A tree was chopped by the Samuels family for the holidays. How tall was the tree originally if the piece they chopped down was 7feet tall, and fell 4 feet from the stump? Q2. Mr pratt's rake is leaning up against a wall. If the top of the rake hits the
asked by Daisy 
crime
How might a news company’s political alignment alter its presentation of crime in America?
asked by sam 
SOCIAL STDIES HELP!
Select the effects of the Union blockade of the South. (Choose all that apply.) (2 points) Some individuals became blockade runners. It prevented access to Confederate ports. It stopped the manufacture of goods in Confederate states.**** It lessened the
asked by XenaGonzalez 
socialstdies
What did the Union Army gain as a result of the Battle of Vicksburg? (1 point) The Union Army captured thousands of prisoners of war. The Union Army used Southern slaves as fresh recruits. The Union Army gained control of the Mississippi River. The Union
asked by XenaGonzalez 
Math
George is making a permanent for his favorite baseball team. He wants the short edge to be 14 inches and the height in the middle of the right triangle to be 24 inches. What is the length of diagonal side AB?
asked by Daisy