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Questions Asked on February 9, 2014

A golf ball is released from rest from the top of a very tall building. Choose a coordinate system whose origin is at the
1. 2 answers
2. asked by Fabricus
3. 9,139 views
A cue ball initially moving at 2.6 m/s strikes a stationary eight ball of the same size and mass. After the collision, the cue
1. 1 answer
2. asked by Anonymous
3. 7,007 views
Oasis B is a distance d = 7.0 km east of oasis A, along the x axis shown in the figure. A confused camel, intending to walk
1. 2 answers
2. asked by Robin
3. 5,447 views
a store sells ladders.. the retail price was a 40m percent markup over the manufacturer price. .a month later, the store reduced
1. 13 answers
2. asked by Abi
3. 4,926 views
An object with an initial velocity of 12 m/s west experiences a constant acceleration of 4 m/s^2 west for 3 seconds. During this
1. 2 answers
2. asked by jay
3. 4,531 views
A horizontal force of 100 N is required to push a box across the floor at a constant velocity.a) Show that the net force acting
1. 1 answer
2. asked by sky
3. 4,077 views
A British Concorde (BC) and a French Concorde (FC) flew in opposite directions around the earth (40 000 km). The BC covered half
1. 3 answers
2. asked by king12
3. 3,936 views
Consider a 100-kg box of tools in location:A: on Earth B: on the Moon C: on Jupiter. Rank from greatest to the least the a)
1. 2 answers
2. asked by sky
3. 3,796 views
One lap around the track is equal to 1/8 of a mile. A horse ran a distance of 9 laps in 2 minutes and 30 seconds. What was the
1. 6 answers
2. asked by Lidia
3. 3,618 views
What did Antoine Lavoisier’s experiments demonstrate?a- Atoms always split into pairs during a chemical change. b- Mass is
1. 8 answers
2. asked by Steve
3. 3,260 views
Complete combustion of 3.30 g of a hydrocarbon produced 10.2 g of CO2 and 4.68 g of H2O. What is the empirical formula for the
1. 1 answer
2. asked by Alz
3. 3,170 views
What is another word for playing the victim?
1. 4 answers
2. asked by /////keysha////
3. 3,063 views
An unknown compound contains only carbon, hydrogen, and oxygen (CxHxOx). Combustion of 3.50G of this compound produced 5.13G of
1. 3 answers
2. asked by URGENT!
3. 2,859 views
A student has 4 English books,3 math books,and 5 history books.In how many ways can these books be arranged on a shelf if the
1. 3 answers
2. asked by mehwish
3. 2,801 views
Let f(x) be a polynomial such that f(cos theta) = cos(4 theta) for all theta. Find f(x). (This is essentially the same as
1. 2 answers
2. asked by John
3. 2,751 views
a kitchen is shaped like a rectangle with dimensions of 11 1/2 ft. by 9 1/2 ft. the floor of the room is made of square tiles
1. 8 answers
2. asked by May
3. 2,671 views
Explain why knowing the height is needed when finding the perimeter of a right triangle.
1. 2 answers
2. asked by anon
3. 2,613 views
In Lewis Carroll's Through The looking Glass, Tweedledum says, "the sum of your weight and twice mine is 361 pounds". Tweedledee
1. 1 answer
2. asked by B8
3. 2,599 views
The height of an adult male is known to be normally distributed with a mean of 69 inches and a standard deviation of 2.5 inches.
1. 2 answers
2. asked by judy
3. 2,585 views
john mixed 3/4 liter of yellow paint with 1 1/4 liters of red paint to make 2 liters of orange paint.. He needed more orange
1. 8 answers
2. asked by Miki
3. 2,546 views
Which type of mechanical energy do the following contain? Kinetic Energy, Potential Energy, or BothA Car traveling at 100 mph
1. 2 answers
2. asked by cee
3. 2,502 views
Find the probability that among six randomly selected people, exactly four of them have brown eyes. Assume that 40% of the
1. 1 answer
2. asked by mike
3. 2,106 views
the correct formula for the ionic compound containing Tl^3+ and Te^2- ions would be:a. TlTe b. Tl3Te2 c. Tl2Te3 d. Tl2Te
1. 1 answer
2. asked by Lisa
3. 1,994 views
The Haber process is used to synthesize ammonia from hydrogen and nitrogen. How much hydrogen is required to produce 42.8 kg of
1. 1 answer
2. asked by Jesus
3. 1,827 views
Maria is making a stained glass window in the form of a kite. The width of the window must be 15 in., and she only has enough
1. 2 answers
2. asked by anon
3. 1,758 views
A jet plane has a takeoff speed of Vto=125km/h (34.72 m/s) and it's engines can power it to accelerate with an average
1. 1 answer
2. asked by Michelle
3. 1,719 views
Only two forces act on an object (mass=4.00 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to
1. 2 answers
2. asked by Anonymous
3. 1,683 views
A company buys a sweater for $14 and marks it up 90%. It later discounts the sweater 25%.A. Find the original selling price of
1. 3 answers
2. asked by Jynessa
3. 1,561 views
the current in an electrical conductor varies inverselyas the resistance of the conductor. If the current is 12 ampere when the
1. 2 answers
2. asked by stacy
3. 1,404 views
6. The table below is a set of hypothetical production possibilities for a nation.Combination Automobiles(thousands) Beef
1. 1 answer
2. asked by thiti
3. 1,226 views
One weekend, there were 95 pizzas ordered for the sophomore dorm. That weekend 19 customers ordered their pizza with just
1. 1 answer
2. asked by joe
3. 1,212 views
If a pendulum is not pushed, why does it not go as big when it swings back. Where does the lost PE go?ans. Since there is no
1. 0 answers
2. asked by CC
3. 1,174 views
What is the most likely result of incomes not rising as quickly as inflation?A. People are able to buy fewer goods and services.
1. 1 answer
2. asked by Anonymous
3. 1,169 views
A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an
1. 1 answer
2. asked by zerick
3. 1,164 views
which is a chemical property of aluminuma- melting point is 660c b- boiling point is 2519c c- does not dissolve in water d-
1. 1 answer
2. asked by Steve
3. 1,155 views
In which of the following pairs of compounds are both members of the pair ionic compounds? Explaina. Pl3 and HBr b. H2S and NCl3
1. 1 answer
2. asked by Lisa
3. 1,148 views
Suppose you are the manager of a California winery. How would you expect the following events to affect the market equilibrium
1. 0 answers
2. asked by Summer
3. 1,136 views
In the sum A+B=C, vector A has a magnitude of 10.2 m and is angled 48.0° counterclockwise from the +x direction, and vector C
1. 1 answer
2. asked by Robin
3. 1,106 views
If you know that a 1-kg object weighs 10N, confirm that the acceleration of a 1-kg stone in free fall is 10 m/s2.
1. 1 answer
2. asked by sky
3. 1,093 views
Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend
1. 0 answers
2. asked by thiti
3. 1,026 views
the correct formula for the ionic compound containing Tl^3+ and Te^2- ions would be:Please show. thank you
1. 1 answer
2. asked by Lisa
3. 1,005 views
Andrea has a yard shaped like parallelogram ABCD. The garden area, parallelogram EFGB, has an area of 105 ft. If Andrea wants to
1. 4 answers
2. asked by anon
3. 994 views
A television is on sale for $300. If the sale price is 30% less than the regular price, what is the regular price?
1. 2 answers
2. asked by Jynessa
3. 973 views
10. Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can
1. 1 answer
2. asked by thiti
3. 955 views
Draw a production possibilities curve for a hypothetical economy producing capital good and consumer goods. Suppose a major
1. 0 answers
2. asked by thiti
3. 948 views
Your president bought two acres of land for $200,000 ten years ago. Although it is zoned for commercial use, it currently houses
1. 1 answer
2. asked by Lisa
3. 947 views
In a survey of 25 college students, it was found that 9 were taking an English class, 14 were taking a math class, and 8 were
1. 1 answer
2. asked by joe
3. 937 views
The table below is a set of hypothetical production possibilities for a nation.Combination Automobiles(thousands) Beef
1. 1 answer
2. asked by thiti
3. 905 views
a chemist wants to make 5.5L of a .3M Cacl2 solution. What mass of CaCl2 should the chemist use?
1. 1 answer
2. asked by Charessa
3. 896 views
6 separate questions. I have figured out the other 20 questions I am stuck. Please help ThanksThe correct name for the ionic
1. 2 answers
2. asked by Lisa
3. 890 views
A vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a)
1. 1 answer
2. asked by Robin
3. 879 views
The age of a document is in dispute, so archaeologists test for carbon-14. Due to radioactive decay, the amount A of carbon -14
1. 1 answer
2. asked by Raju
3. 876 views
What [Ag1+] is required to start precipitation of AgOH from a saturated solution of Mg(OH)2? Ksp = 2.4 ✕ 10-8 for AgOH and Ksp
1. 1 answer
2. asked by Danielle
3. 868 views
I need help with "write in equation in slope-intercept form for the line that is parallel to to the given line line and and that
1. 1 answer
2. asked by Kerri
3. 834 views
Design and develop a simple system that computes the Depreciation cost of the item (D). Takes as input the purchase Price of an
1. 1 answer
2. asked by Jnr John
3. 832 views
Lou and Jan each ate 1/4 of an apple. Is there more than , less than , or exactly 1/2 of the apple left ? Explain.I don't know
1. 1 answer
2. asked by Nawaf
3. 812 views
Find the slope or pitch of the roof. I need both the slope and pitch.13ft | |__13.8ft The pitch of the roof is__% (round to the
1. 1 answer
2. asked by Student5
3. 792 views
Can someone please check my answers?Find the probability of drawing the given cards from a standard of 52 cards (a) with
1. 2 answers
2. asked by Jane
3. 789 views
need a help on writing a poster .
1. 1 answer
2. asked by goodman
3. 755 views
Sound is emitted by a point source. You wish to compare the sound intensity and sound intensity level from this source at two
1. 0 answers
2. asked by ddsMom
3. 749 views
With a halogen X, a metal M forms ionic compounds MX, MX2 and MX3. The lattice energies of the compounds are -1340, -3840 and
1. 0 answers
2. asked by Minttu
3. 735 views
The graph shows data from a recent satellite internet connection. The cost was 90 cents at 10 minutes, and 180 at 20 minutes.The
1. 1 answer
2. asked by Student5
3. 733 views
Can someone please explain how to do this problem?Woodrow wins a tic-tac-toe game 65% of the time when he chooses the first
1. 2 answers
2. asked by Jane
3. 731 views
a stone is thrown vertically upward with a speed of 10.5 m/s from the edge of a cliff 76.0 m high.how much later does it reach
1. 1 answer
2. asked by jo
3. 725 views
Explain how to accept and reject the null?How to identify the null and alternative hypothesis for t-tests in both statistical
1. 1 answer
2. asked by Tiffany
3. 719 views
Sound is emitted by a point source. You wish to compare the sound intensity and sound intensity level from this source at two
1. 0 answers
2. asked by ddsMom
3. 717 views
A person riding in the back of a pickup truck traveling at 60km/h on a straight, level road throws a ball with a speed of 10km/h
1. 0 answers
2. asked by beti
3. 689 views
Can an object with constant acceleration reverse it's direction of travel?I think it's yes because when a ball is thrown in the
1. 3 answers
2. asked by Kevin
3. 681 views
stacey is standing 5 miles west of the control tower at an airport. A plane took off traveling directly north of the control
1. 1 answer
2. asked by Maddy
3. 679 views
Which is worth more after 5 years, an investment of $1000 at 5% interest compounded semi - annually(twice a year). or an
1. 1 answer
2. asked by Raju
3. 676 views
A patient is not allowed to have more than 300 milligrams of cholesterol per day from a diet of eggs and meat.Each egg provides
1. 1 answer
2. asked by daniel
3. 673 views
what has a definite shape and volumea- solid b- liquid c- gas d- molecule My answer is A
1. 1 answer
2. asked by Steve
3. 673 views
Here we analyze the time response of the circuit in Figure 3 which contains capacitive and resistive elements and a voltage
1. 0 answers
2. asked by Anonymous
3. 659 views
For the vectors with a = 3.3 and b = 2.2, what are (a) the z component of AxB, (b) the z component of AxC, and (c) the z
1. 0 answers
2. asked by Robin
3. 636 views
A calorimeter with specific heat of 490x10^2J/kg^1K^1 has a mass of 2.00x10^-1kg that contains 3.00x10^-1kg of liquid water at
1. 0 answers
2. asked by Tsunayoshi
3. 628 views
A school wants to purchase some round tables and some rectangular tables. The costs of one round table and one rectangular table
1. 1 answer
2. asked by daniel
3. 626 views
what are the categories of information systems, examples of each and their roles in the healthcare delivery
1. 1 answer
2. asked by amanda
3. 618 views
a jet propelled motorcycle start from rest moves in a straightline with constant acceleration and covers a distance of 64m in
1. 2 answers
2. asked by Jayson
3. 617 views
Richard is flying a kite at an angle elevation of 52 degrees. he is 5 ft tall. If richard is standing 100 ft from the point on
1. 1 answer
2. asked by tor
3. 617 views
A particle moves according to the equation x= (10 m/s^2)t^2 where x is in meters and t is in seconds.a. Find the average
1. 0 answers
2. asked by Layla
3. 615 views
A plane flies 407 km east from city A to city B in 44.0 min and then 871 km south from city B to city C in 1.90 h. For the total
1. 1 answer
2. asked by Robin
3. 608 views
Solve the set of linear equations by the matrix method:a+3b+2c=3,2a-b-3c=-8,5a+2b+c=9 sove for a
1. 1 answer
2. asked by kay
3. 607 views
A train at a constant 41.0 km/h moves east for 28 min, then in a direction 53.0° east of due north for 15.0 min, and then west
1. 1 answer
2. asked by Robin
3. 606 views
a scarf was cut into 6 pieces, each with a length greater than 5 inches. How long could the original scarf have been?
1. 1 answer
2. asked by eddie
3. 605 views
Three vectors are given by a= 0i+0j+4.0k , b= 3.0i+ -3.0j+-1.0k and c=1.0i+2.0j+-1.0k. Find (a) a(bxc) and (b)a(b+c)
1. 2 answers
2. asked by Robin
3. 603 views
If the vertical initial speed of the ball is 4.0m/s as the cannon moves horizontally at a speed of 0.70m/s , how far from the
1. 1 answer
2. asked by beti
3. 600 views
what is the significance of the internment of Japanese Americans during World War II.
1. 3 answers
2. asked by Anne
3. 596 views
A sum of $5000 is be invested in a bank. if the annual interest is 10% and compounded monthly, how long will it take for the
1. 1 answer
2. asked by Raju
3. 594 views
How many years would it take a worker making $16.00 per hour to earn $8,000,000, assuming she works 260 8-hour days per year?
1. 1 answer
2. asked by Anonymous
3. 592 views
Consider the following: f(x)= the intergral of ((3-xe^x)/x )dxIf the integration constant, C , is zero, then the value of f (1)
1. 3 answers
2. asked by Rebekah
3. 582 views
a bead on a wire 30m high is released and reaches point A, where is loops twice towards the right. what is the velocity and
1. 1 answer
2. asked by christopher
3. 575 views
If a pendulum is not pushed, why does it not go as big when it swings back. Where does the lost PE go?ans. Since there is no
1. 0 answers
2. asked by CC
3. 569 views
$8000 is shared between 3 schools in the ratio of 2:3:5, how much will each school get?
1. 2 answers
2. asked by Derek
3. 563 views
A 25.0-ml sample of 1.00M KBr and a 75.0-ml are mixed. The solution is then heated to evaporate water until the total volume is
1. 2 answers
2. asked by Mary
3. 563 views
Find all x-values such that f(x)=-4x=__? What is the range? a)y|-oo<y<_0 b)All real numbers c)y|-10<y<_10 d)y|0<_y<oo
1. 1 answer
2. asked by Student5
3. 557 views
seventeen greater than a number is 151 find the numberthe number is
1. 1 answer
2. asked by patty
3. 554 views
Hi, does anybody know what a quadrilateral in which opposite sides are congruent and parallel is?It's on a crossword puzzle on
1. 2 answers
2. asked by Halle
3. 553 views
Write the equation of the line passing through points (3, -2) and (6, 4).
1. 1 answer
2. asked by Anonymous
3. 548 views
What is parallelism, please?
1. 2 answers
2. asked by Albert
3. 545 views
18 cars in a circle at a boom box competition produce a 105 dB sound level at the center of the circle. What is the average
1. 0 answers
2. asked by ddsMom
3. 541 views

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