Questions Asked on
September 6, 2013

math
Why is an idea like the pacific?
asked by luckers 
PHYSICS
An automobile battery has an emf of 12.6 V and an internal resistance of 0.0500 . The headlights together present equivalent resistance 5.60 (assumed constant). (a) What is the potential difference across the headlight bulbs when they are the only load on
asked by priya 
Physics
Which of the following describe possible scenarios? A) An object has zero instantaneous velocity and nonzero acceleration. B) An object has negative acceleration and is speeding up. C) An object has positive acceleration and constant velocity. D) An
asked by Branden 
Physics
The drawing shows a positive point charge +q1, a second point charge q2 that may be positive or negative, and a spot labeled P, all on the same straight line. The distance d between the two charges is the same as the distance between q1 and the spot P.
asked by Sarah 
main ideas
Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants stays warm because sunlight and heat coming through the glass roof are mostly trapped. The heat doesn't radiate back into the
asked by bob 
physics
A ball thrown straight up from the ground passes a window 5.6 m up. An observer looking out the window sees the ball pass the window again, going down, 3.4s later. Find the velocity with which the ball was initially thrown.
asked by Amy 
Physics
A police radar has an effective range of 1.0 km, and a motorist's radar detector has a range of 1.9 km. The motorist is going 100km/h in a 80km/h zone when the radar detector beeps. At what rate must the motorist decelerate to avoid a speeding ticket?
asked by Amber 
econ
Assume Felix is willing to par $8 for a Star Trek pizza cutter. Tim also wants one but would only be willing to pay $6 for it. At a Star Trek convention,Felix manages to buy the last pizza cutter at the market price. In a strange twist of fate, however,
asked by jay 
Algebra 1
William, a logistician, needs to route a freight train that is 20 feet at its tallest point and 10 feet at its widest point within 3 days. The most direct path includes a singletrack tunnel that needs 24 hour notice prior to use. If the tunnel is roughly
asked by Taylor 
Science
On a hot summer day, you notice a line of dark clouds forming. Based on this observation, you go back inside and get an umbrella. What scientific skill have you used? a) classification b) prediction c) communication d) quantitative observation I think it
asked by Anonymous 
Science
A chemist notes that a solution turns blue when a chemical reaction takes place. Which of the following correctly describes the chemist's data? a) it is a qualitative observation. b) is is a quantitative observation. c) it is a prediction. d) it is a
asked by Anonymous 
Science
You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this observation? a) The egg rolled off the kitchen counter b) the dog will eat the egg off the floor c) there are pieces of broken
asked by Anonymous 
Science
A biologist determines that a lizard's body temperature is 29 degrees C. Which of the following correctly describes the biologist's data? a) it is a qualitative observation b) it is a quantitative observation c) it is a prediction d) it is a classification
asked by Anonymous 
math 4th grade
I have to follow the pattern .125, .25, .375, .5 ?
asked by judy 
physics
In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner? (the rectangle
asked by Sarah 
Psychology
1.Do axons and dendrites meet at synapses? True 2. Does perception take place in the corpus callosum? False 3. One of the drawbacks of breast feeding is that the quantity of breast milk produced is not adjustable. for example it may be difficult for a
asked by Lisa 
HELP! Geometry
Part I 1. Why is the word coplanar included in the definition for parallel lines? 2. Explain why you think the angle pairs formed by two lines and a transversal are related. Why might it be helpful to identify them as angles that go together instead of
asked by Unknown 
Algebra
Rod and reel inc. manufactures and sells fishing rods. The company uses the equation P= 25r  12,500 to estimate its profit P on the sale on the fishing rods. How many fishing rods were sold if the company made a profit of 125,000? Please help. Thank you
asked by Kiki 
english
In " At the Tourist Center in Boston," the speakers tone can best be identified as?
asked by Tay 
Algebra 1 (Steve)
In a diving siblings showcase, 11yr old Hannah takes off from a 24.61 foot platform with an initial velocity of 9.7 ft/sec at the same time that her brother Tyler, who is older takes off from a 32.81 foot platform with an initial velocity of 4.51ft/sec.
asked by Taylor95 
english
In " At the Tourist Center in Boston," the speakers tone can best be identified as?
asked by Tay 
Physics
Two point charges are fixed on the y axis: a negative point charge q1 = 26 µC at y1 = +0.21 m and a positive point charge q2 at y2 = +0.30 m. A third point charge q = +8.5 µC is fixed at the origin. The net electrostatic force exerted on the charge q by
asked by Sarah 
health 5 grade
i need help in health subject for my son 5 grade Question 1 connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2 practice healthful
asked by niki 
English
What is the simple subject of the following sentence: A large number of swimmers competed in the race.
asked by Kathy 
history
in what ways did Neolithic people dramatically improve their lives
asked by ayan 
Geometry..... reposted ques by me
in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangle ADE is removed from triangle ABC.What is the area of shaded region that remains?
asked by leena 
chem
Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 3.00cm on each side. After you carefully lower each cube into the water of its
asked by Debby 
physics
During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s to 9000 m/s with an average acceleration of 33 m/s*. How long did the acceleration last??
asked by Kenny 
Accounting
Annual interest of 5% paid if balance exceeds 800, $7 monthly fee if account falls below minimum balance, average monthly balance $1,160, account falls below $800 during 5 months. What is the annual net cost of this checking account?
asked by Tiffany 
history
In What ways did Neolitic People Dramatically improve their lives? Please check my answer.. the change over from hunting and gathering to farming and herding took place not once but many times. Neolithic people in many parts of the world independently
asked by ayan 
Physics
A particle starts at the origin at t=0 with an intial velocity of 5.0m/s along the positive x axis. If the acceleration is (3.0,4.5) m/s^2, determine the velocity and position of the particle at the moment it reaches its maximum x coordinate. You can't
asked by Rebecca 
social
what do the migration routes of homo sapiens reveal about their survival skills and ability to adapt
asked by ayan 
physics pls help!
1.) water is flowing through a horizontal pipe of varying crosection, the diameter is 12.0 cm at a pressure of 8.0x10^4 Pa. at section 2, the pipe has a diameter of 6.0 cm and the pressure is 6.0x10^4 Pa. find the speed of water through section 1 and 2
asked by erjee 
physics
A stone is dropped from the roof of a building; 1.60s after that, a second stone is thrown straight down with an initial speed of 26.0m/s , and the two stones land at the same time. part a. How long did it take the first stone to reach the ground? part
asked by alison 
chemistry
An experiment requires 13.0\({\rm g}\) of cyclohexane, whose density at 25 \(^\circ {\rm C}\) is 0.7781 \({\rm g/mL}\). What volume of cyclohexane should be used?
asked by taylor 
English
1. What type of context clue is provided for the italicized word in the following sentence? "The ice, snow, freezing wind, deep ice cracks, called crevasses (this is italicized), and lack of oxygen are constant threats to climbers’ safety and health." a)
asked by Anonymous 
algebra 2
a bag of fertilizer claims that it will cover 5000 square feet of grass if you front yard is 1450 feet wide and 65 feet deep and you back yard is 150 feet wide and 225 feet deep how many bags of fertilizer will you nee to fertilize your entire back yard?
asked by jordyn 
calculus 2
Integral of 63x(cos(x))^2 dx I got: 63x^2/4 +63sin(2x)/4 +63cos(2x)/8 +C I keep getting this answer but the online site says it's wrong.
asked by Anonymous 
precalc
A group of students drove from Lawrence, KS to Denver, CO. They passed a restaurant 111 miles from Lawrence at 10 pm and stopped at a gas station 370 miles from Lawrence at 1:45 am. Using cruise control, they maintained a constant speed driving from the
asked by BeeBee 
gg
you need 50 pounds of two commodities costing $1.25 and $1.26 per pound,verify that the total cost is y=1.25x+1.60(50x),where x is the number of pounds of the less expensive commodity.
asked by Anonymous 
math
the courier service company has found that their time of parcels to client is normally distributed with a mean of 45 minutes and a standard deviation of 8 minutes. the probability that a randomly selected parcel will take less than 48 minutes to deliver is
asked by Anonymous 
chemistry
What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare 100.0 milliliters of a 0.50 M acetic acid solution?
asked by delacia 
science
vector A has a magnitude of 12 units and makes an angle of 30 with the positive xaxis.vector b has a magnitude of 8 units and makes an angle of 80 with the positive xaxis.using a graphical method , find the magnitude and direction of vectors AB
asked by arvind 
algebra 2
a bag of fertilizer claims that it will cover 5000 square feet of grass if you front yard is 150 feet wide and 65 feet deep and you back yard is 150 feet wide and 225 feet deep how many bags of fertilizer will you need to fertilize your entire back yard?
asked by jordyn 
World History
How did Neanderthals and CroMagnons differ from earlier people?
asked by Anonymous 
Statistics
The average life of Canadian women is 73.75 years and the standard deviation of the women's life expectancy in Canada is 6.5 years. Using the Chebyshev's theorem, determine the minimum percentage of women in Canada whose life expectancy is between 64 and
asked by G.C. 
calculus
int e^5xsin3xdx =
asked by grace 
calculus
int cos6xcos4xdx =
asked by favour 
algebra
you buy a storage rack that holds 40 cds. you have 27 cds. write an inequality that describes how many more cds you can hold. you buy 15 cds. will they all still fit?
asked by Taylor 
Trigonometry
A triangle has two angles, one 90 degrees, the other (between adjacent and hypotamuse) 26 degrees, and a hypotamuse of 10ft. Find the opposite side's length. Hint: use sine. I think I'm supposed to do 10(sine26), but the answer isn't right. What am I
asked by DeeDee 
Math
Simplify (tan 4X+tan 2x)/(1(tan 4X)(tan2X))
asked by Jackson 
Physics
how long will it take a bobsled with a velocity of 6 meters a second o stop if it decelerates at a rate of 3 meters per second?
asked by Tiffany 
Physics
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the two naturally occurring electrons is removed. The radius of the orbit is 2.65 1011 m. Determine the magnitude of
asked by Sarah 
Physics
In the flying ski jump, a skier acquires a speed of about 62 mph (this ended up being 27.7 m/s) by racing down a steep hill and then lifts off into the air off of a horizontal ramp. Beyond the ramp, the ground slopes at an angle of 45 degrees. a) Predict
asked by Lawon 
calculus
intergal xcosax^2dx =
asked by bless 
education
What can you major if you have associate degree in science. What is difference between associate in science and Associate of Applied Science?
asked by marija 
chemistry
Convert 34.5 in2 to cm2. Report the answer to the correct number of significant figures. (1 inch = 2.54 cm is an exact or defined conversion.)
asked by lisa 
physics
In a game against the White Sox, baseball pitcher Nolan Ryan threw a pitch measured at 34.4 m/s. If it was 18.4 m from Nolan's position on the pitcher's mound to home plate, how long did it take the ball to get to the batter waiting at home plate? Treat
asked by chris 
Math
Arturo Muina is the captain of a charter fishing boat. He is paid a salary of $140 per day. He also averages tips amounting to 12% of a $475 daily charter rate. Last month during a fishing tournament, Arturo worked 22 days. What were his total gross
asked by Kim 
Math
The length of a piece of cardboard is two inches more than its width. an open box is formed by cutting out 4 inch squares from each corner and folding the sides. If the volume of the box is 672 cubic inches, find the dimensions.
asked by Khelany 
social problems
1. A researcher who wishes to become familiar with a new area of interest should use an explanatory approach.
asked by Darlene 
MATH I NEED HELP PLEASE
1. Which of the following conclusions is true about the statement below? A. The statement is never true. B. the statement is true when x =0. C. The statement is true when x is negative. D. The statement is always true. My answer was B. 2. Solve for x in
asked by Queta 
biology
Methyl mercury is a toxic substance that can harm the nervous system. Some fish are contaminated with high levels of methyl mercury. In many places, these fish are an important food source. Experiments are being conducted to determine how many meals of
asked by loli 
physics
Two resistors connected in series have an equivalent resistance of 783.4 Ω. When they are connected in parallel, their equivalent resistance is 171.3 Ω. Find the resistance of each resistor. Ω (small resistance) Ω (large resistance
asked by priya 
math
Pat worked 43 hours and received $7.25 per hour for regular pay and timeandahalf for all hours over 40 hours. What were her weekly earnings?
asked by aj 
calculus
int dx/3sinx+4cosx dx =
asked by grace 
algebra 1
A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the
asked by sabina brown 
Geometry
Paragraph proof: in the figure AC and BD LIE IN PLANE j and BY AND CX lie on k C and D are collinear. 2.) points a c and x are coplanar. 3.) X and Y are collinear
asked by CASSIE 
COMM100
Which of the following would be an appropriate way to use the DECIDE tool in response to research suggesting that there are differences between the way men and women communicate?
asked by Martin 
math
A professor wants to supplement her pension with investment interest. If she invests $26,000 at 7% interest, how much more would she have to invest at 9% to achieve a goal of $4,160 per year in supplemental income?
asked by lori 
Math
A rectangular rice land is to be fenced along 4 sides and in the middle to divide it into to 2 equal areas. If 200m of fencing is available, what is the maximum area to be fenced?
asked by Khelany 
budgeting and forecasting
Paint Sales Time Series Week Sales (000’s of gallons) 1 6 2 8 3 10 4 9 5 11 6 12 7 10 8 8 9 7 10 9
asked by jr 
macroeconomics
Assume Felix is willing to par $8 for a Star Trek pizza cutter. Tim also wants one but would only be willing to pay $6 for it. At a Star Trek convention,Felix manages to buy the last pizza cutter at the market price. In a strange twist of fate, however,
asked by jay 
calculus
find the area enclosed between the xaxis and the curve, if y=x^3 and the straight line y=x
asked by grace 
Ancient World History
Why did the development of agriculture ocurred around the same time in several different places
asked by Anonymous 
Literature
HELP PLEASE!!! Can you state the aspect of style revealed in this quote so I can write a paper? "Clyde if I could only die. That would solve all this. And I have prayed and prayed that I would lately, yes I have. For life does not mean as much to me now as
asked by Mark 
History (Western Civilization)
Explain the importance of the Hebrews to the development of western civilization including the ideas of monotheism, the covenant, the Torah and Christianity.  Can someone briefy explain to me? I am searching through goggle but can not find the right
asked by C.J 
Algebra
Please help with this factoring problem: 2x^3/2 − 6x^1/2 + 4x^−1/2 what i did first was make all the exponents whole numbers, so I got: 4x^336x+16x^1 I don't know what to do from there.
asked by Maria 
physics
a thin square homogeneous plate, AB=BC=CD=DA=2 m density 78 kn/m2 and thickness 10mm is suspended. A and B is fixed. if support a breaks suddenly calculate (1)instaneneous accelration of D,(2) instataneous angular acceleration op plate and (3) instateneous
asked by sarsi 
STATISTICS
Researchers asked questions in 1001 randomly selected adults in Russia. We found a statistically significant, strong positive correlation between income and the number of recycling bins filled their houses per week (r = 0,77). Choose the best
asked by Marian 
math
Fran Mallory is married, claims five withholding allowances, and earns $3,500 (gross) per month. In addition to Federal income tax (FIT), social security, and Medicare withholding, Fran pays 2.1% state income tax, and ½% for state disability insurance
asked by need help!!!! 
history
why do you think the development of agriculture ocurred around the same time in different parts
asked by ayan 
precalc
Same question from previous problem. b. As the car traveled from 309 miles from Lawrence to 352 miles from Lawrence, what was the change in time in hours? c. Define a formula that determines the distance from Lawrence in miles, d , in terms of the number
asked by BeeBee 
Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N · m2/C. What is the angle between the direction of the electric field and the normal to
asked by Sarah 
precalc
Suppose the value of quantity A changes from a starting value of x to a final value of y. Write an expression using x and y that computes the resulting change of quantity A.
asked by BeeBee 
STATISTICS
True or False? A researcher is interested in studying whether there is a correlation of IQ with health. For this purpose he selected a sample of 261 people and asked them to complete two questionnaires: one for IQ and one for health. After evaluating the
asked by Marian 
algebra
please help me determine this the equation of g(x) that results from translating the function f(x) = (x+8)^2 to the right 9 units.
asked by Alaska Diamond 
calculus
Determine l= 2e^xdx, given that l=50.2, when x=3
asked by grace 
english
. Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days
asked by Anonymous 
Statistics (Please help!!!)
Are there tables comparing and contrasting the following or how would you write these up? 1. Ecological Studies and CrossSectional Studies 2. Case control studies and Cohort studies 3. Measurement bias (aka information bias) and selection bias 4.
asked by Joy 
calculus
find the area enclosed between the xaxis and the curve, if y=x^3+2x^2+x+1 between x=1 and x=2
asked by grace 
math
what is the net price factor for trade discounts of 25/15/10? using the net price factor you found in the previous question to find the net price of a couch listed for $800.
asked by chell 
Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N · m2/C. What is the angle between the direction of the electric field and the normal to
asked by Sarah 
algebra
1. Are the rotations of figures always congruent? Why are or why not? 2. A car tire rotates when you drive. How is this type of rotation different from a rotation in Geometry? What other type of transformation is happening to the car tire? Explain.
asked by Unknown 
Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N · m2/C. What is the angle between the direction of the electric field and the normal to
asked by Sarah 
English
1. Identify the sentences in which antecedents are used correctly. Choose several. a) We can’t go to the game on Friday because you must be a sophomore. b) I missed the bus because I woke up late. (This is my choice) c) The store hours can be obtained by
asked by Anonymous 
Geography
What factors might account for the per capita incomes of Colorado, Delaware, Maryland, Massachusetts, New Jersey, and New York of the United States and Yukon Territory, Ontario, and Northwest Territories of Canada? My answer: The factors which may account
asked by Anonymous 
calculus
int x^2/(x2)(x^2+1)dx
asked by grace 
algebra
Please help me figure this out: consider f(x) = 6x 1 and g (x) = 4x^2 solution for (f+g)(x)
asked by Alaska Diamond 
calculus
int 1,0x^3dx =
asked by bless 
calculus
int 7/(2x5)dx =
asked by bless 
precalc
This question is from the previous question. What was the change in distance in miles?
asked by BeeBee 
computer science
Write the " 7−2" expression so that no answer includes negative exponents. Assume the variables are nonzero
asked by bob 
American Gov
What is the primary claim made by those who oppose hate crimes legislation?
asked by sara 
Geography
What is significant about the location of California and Ontario of Canada?
asked by Anonymous 
health
You can find ways to manage stress by ________. A. Getting active and eating healthy B. Pushing yourself to work harder C. Dismissing any signs of stress D. Keeping what’s causing your stress to yourself is it A??????????
asked by vickie 
World History
What do the dates reveal about the chronology of early human migration?
asked by Anonymous 
Algebra
Quick q if I have 2x^2+x=6 and I want to isolate x^2 would it be x^2+x/2=3 or x^2+1/2x=3?
asked by Taylor95 
Algebra
x2/3 + x3/2 Please help. Thank you
asked by Kiki 
7th grade Math
If there is a population of 800 deer what would be a good sample size and why.
asked by Brandi 
algebra
please help me figure this select xcoordinate of the vertex of the parabola defined by the function f(x) = 5x^2 + 9x + 2
asked by Alaska Diamond 
calculus
find the area enclosed between the xaxis and the curve, if y=x^225 for (5) is less than or equal to x less than or equal to 5
asked by grace 
Geometry
How do you segment postulates to determine congruent segments
asked by Stephanie 
calculus
integrating e^1/3dx i got 3e1/3 +c pls am i right
asked by Jane 
Algebra
Factor x^4+64
asked by Marina 
literature
HELP PLEASE!!! Can you state the aspect of style revealed in this quote so I can write a paper? "Clyde if I could only die. That would solve all this. And I have prayed and prayed that I would lately, yes I have. For life does not mean as much to me now as
asked by Mark 
Math
3^4 /3^3 + 4^2 *4^0/2^4 Please help and explains how you got the answer. I have been stuck on this for awhile and am not sure how to do this. Thank you!
asked by Cherie 
Geography
What relationship do these figures, states and provinces or territories with high mortality rates, appear to have to the urban/rural population ratio?
asked by Anonymous 
calculus
int 0^1e^2edx =
asked by bless 
math probability
you roll 2 dice. what is the probability that at least one of them is a 6.
asked by Bec 
physics
biogy
asked by 9876 
math
suppose that a, b, c ,and d are positive integers whose sum is 100 and ac=5.What is the greatest possible value of abcd answers
asked by noah 
geometry
how to solve angle numbers?
asked by Zackary 
geography
write short note watercycle
asked by gaurav 
calculus
int e^5xsin3xdx =
asked by favour 
algebra
please help me: consider f(x) = 6x1 and g(x) = 4x^2 figure the solution for (fg)(x)
asked by Alaska Diamond 
algebra
please help me determine the equation of g(x) that results from translating the function f(x) = x^2 + 3 upward 7 units
asked by Alaska Diamond