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2012
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Questions Asked on September 21, 2012

the spreadsheet shows the monthly revenue and expenses for a new business.use the models to predictt the month in which revenue
1. 9 answers
2. asked by lilman
3. 6,531 views
1. What makes “The Seafarer” an elegy?a.It celebrates the speaker’s faith in God. b.It describes a strong and fearless
1. 14 answers
2. asked by tiyan
3. 5,595 views
Use the Chain Rule to find dw/dt.w = ln (x^2 + y^2 + z^2)^.5 , x = 9 sin t, y = 6 cos t, z = 7 tan t
1. 1 answer
2. asked by Becky
3. 5,504 views
A shot-putter throws the shot with an initial speed of 15.5m/s at a 34 degree angle to the horizontal. calculate the horizontal
1. 2 answers
2. asked by Anonymous
3. 5,387 views
How many significant figures does 22.0, 0.22, 22. , 0.022?Im just confused as to the decimal addition to numbers and what the
1. 4 answers
2. asked by Sally
3. 5,288 views
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.6 m/s at an angle of 30 degrees above the
1. 2 answers
2. asked by Anonymous
3. 5,126 views
014 (part 1 of 2)You drop a stone from a position of rest. How far will it fall vertically in the ﬁrst 2 s? The acceleration
1. 2 answers
2. asked by Maria
3. 4,656 views
In 1865, Jules Verne proposed sending men to the Moon by firing a space capsule from a 220-m-long cannon with final speed of
1. 2 answers
2. asked by Kelly
3. 4,058 views
a coffee company wants a new flavor of cajun coffee. how many pounds of coffee worth $10 a pound should be added to 20 pounds of
1. 1 answer
2. asked by bashi
3. 3,855 views
Consider the function f(x)=(5^x−1)/x.A) Fill in the table values for f(x): x= -0.1, -0.01, -0.001, -0.0001, 0.0001, 0.001,
1. 1 answer
2. asked by Sofia
3. 3,653 views
A 5.2-m-diameter merry-go-round is initially turning with a 3.0s period. It slows down and stops in 28s.i found the v = 5.4 m/s,
1. 1 answer
2. asked by Brion
3. 3,525 views
benjie spent 1/3 of his money on clothes and 1/4 of the remainder on food. if he had 180 pesos left, how much did he have first?
1. 3 answers
2. asked by jeri
3. 3,496 views
The length script l, width w, and height h of a box change with time. At a certain instant the dimensions are script l = 7 m and
1. 3 answers
2. asked by Becky
3. 3,445 views
The mass of an empty flsk is 49.74 g. what is the mass of the flask filled with acetone ( d = 0.792 g/mL) if the same flask
1. 2 answers
2. asked by ClaudYIA
3. 3,358 views
A tight-rope walker walks across a 30.0 m long wire tied between two poles. The center of the wire is displaced vertically
1. 4 answers
2. asked by nate
3. 3,274 views
a) Sketch a curve whose slope is always positive and increasing.b) Sketch a curve whose slope is always positive and decreasing.
1. 1 answer
2. asked by Travis
3. 3,056 views
a bullet is fired horizontally with an initial velocity of 600 m/s at a target located 300 m from the rifle. how much time is
1. 1 answer
2. asked by us
3. 2,485 views
When 47.5J of heat are added to 13.2 g of liquid, its temperature rises by 1.72 degrees C. What is the heat capacity of the
1. 1 answer
2. asked by Alyssa
3. 2,402 views
A 3-ounce serving of tuna fish provides 24 grams of protein. How many grams of protein are in a 10-ounce serving of tuna fish?
1. 2 answers
2. asked by Karen
3. 2,120 views
How many significant figures does 22.0, 0.22, 22. , 0.022?Im just confused as to the decimal addition to numbers and what the
1. 1 answer
2. asked by Sally
3. 2,087 views
A hot recrystallization solution is not filtered unless absolutely necessary.give reason.
1. 1 answer
2. asked by david
3. 2,032 views
There are two stable isotopes of Gallium Their masses are 68.92558 and 70.9247050 AMU. If the average atomic mass of gallium is
1. 1 answer
2. asked by Emily
3. 1,875 views
A person climbs from a Paris metro station to the street level by walking up a stalled escalator in 96.5 s. It takes 60.0 s to
1. 1 answer
2. asked by Laura
3. 1,757 views
The perimeter of a rectangular deck is 175 feet. The length of the deck, L, is 6 feet longer than 2 times the width, W. Which
1. 1 answer
2. asked by Allison
3. 1,675 views
There are many human-caused losses of biodiversity, such as habitat destruction and introduction of invasive species. Are there
1. 1 answer
2. asked by Dolphin69
3. 1,585 views
The numerator of a fraction is four less than the denominator The sum of the fraction and its reciprocal is 5/2 Find the
1. 2 answers
2. asked by Anonymous
3. 1,538 views
why is scientific inquiry a process with many paths, not a rigid sequence of steps?
1. 8 answers
2. asked by katie
3. 1,538 views
An Erlenmeyer flask containing a hot solution is not tightly stoppered to prevent solvent loss during cooling. give reasons.
1. 2 answers
2. asked by david
3. 1,537 views
Jason loves to download music. Downloads R Us sells songs only in packages of three, and it charges $2.00 for each package of
1. 1 answer
2. asked by Anonymous
3. 1,513 views
The suction of a vacuum filtration apparatus is broken before the vacuum is turned off.give reason.
1. 1 answer
2. asked by david
3. 1,451 views
Does every moving body possess kinetic energy? Does every stationary body possess potential energy?
1. 1 answer
2. asked by maria
3. 1,437 views
A bear spies some honey and takes off from rest, accelerating at a rate of 2.3 m/s2.v If the honey is 18 m away, how fast will
1. 1 answer
2. asked by Jacob
3. 1,434 views
A jewelry designer is making identical bracelets. She has 21 blue beads and 14 red beads. What is the greatest number of
1. 2 answers
2. asked by kennady
3. 1,424 views
jim began a 131 mile bicycle trip to build up stamina for a triathlete competetion.unfortunately his bicycle chain broke, so he
1. 1 answer
2. asked by bashi
3. 1,401 views
Why was literacy a prime concern in the Massachusetts Bay colony?
1. 1 answer
2. asked by Daysha
3. 1,383 views
Evaluate [r]; i.e., the units of r, in the expressionr =v (s - a) (s - b) (s - c)/s where s =.5 (a + b + c) , and a, b, and c
1. 1 answer
2. asked by hello
3. 1,367 views
Solve the following system using Gauss's algorithm(a) x1 + 2x2 + 4x3 + 6x4 = 3 2x1 + x2 + 3x3 = -6 -2x1 + x2 + 6x3 + 4x4 = -11
1. 3 answers
2. asked by Robert
3. 1,333 views
A 3 lb bucket containing 40 lb of water is hanging at the end of a 20 ft rope that weighs 4 oz/ft. The other end of the rope is
1. 0 answers
2. asked by Anonymous
3. 1,287 views
A mixture of iodine solid and sodium chloride ( Hint: iodine is not soluble in water)What method(s) can I use to separate the
1. 4 answers
2. asked by Anonymous
3. 1,285 views
A car can be driven around a 120 m radius curve at constant speed without sliding if the maximum centripetal acceleration is
1. 0 answers
2. asked by josephz
3. 1,271 views
I'm totally confused help please?!?In 1990, 253 million people visited theme parks in the United States. In 2000, the number of
1. 5 answers
2. asked by Claire
3. 1,246 views
A rock is thrown vertically from the edge of a cliff that is 500 ft high. It takes 6.5 seconds for the rock to hit the ground at
1. 2 answers
2. asked by josephz
3. 1,220 views
How many hydrogen bonds can an ethanol molecule form to neighboring water molecules ? Why?
1. 1 answer
2. asked by Lisa
3. 1,202 views
This isn't a question for math homework but i have a really low grade in math and i want to raise it up. What can i do to get my
1. 4 answers
2. asked by Jimena
3. 1,202 views
a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a
1. 1 answer
2. asked by zianna
3. 1,198 views
Vacuum filtration is avoided when crystals are isolated from a very volatile solvent.why?
1. 2 answers
2. asked by david
3. 1,192 views
Suppose the president is attempting to decide whether the federal gov should spend more research to find a cure for heart
1. 1 answer
2. asked by jamma
3. 1,179 views
1) On a plot of position x versus time t for an object’s motion, what corresponds to the object’s velocity at any given
1. 1 answer
2. asked by Liz
3. 1,173 views
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 3.00 s.(a)
1. 1 answer
2. asked by Kelly
3. 1,142 views
Using the equation 4Fe + 3O2 -> 2Fe2O3, calculae the total mass of oxgen needed to react wih all of 0.55 g of iron.
1. 2 answers
2. asked by Chelsey
3. 1,141 views
A block of aluminum with a volume of 98.5 cm3 absorbs 67.4 J of heat. If its initial temperature was 32.5°C, what is its final
1. 2 answers
2. asked by Alyssa
3. 1,125 views
A roof tile falls from rest from the top of a building. An observer inside the building notices that it takes 0.12 s for the
1. 1 answer
2. asked by Anonymous
3. 1,062 views
A music club sends you an advertisement. You select ten "free" downloads and agree to become a member. When you get your free
1. 1 answer
2. asked by Joe
3. 1,061 views
What is Henry's answer to the objection that the colonists are not ready to fight against the British?
1. 1 answer
2. asked by diamond
3. 1,058 views
Determine whether the series is convergent o divergent and say what test you used to solve it.(d) sum n=1 to infinity (5n)^(3n)
1. 0 answers
2. asked by Paul
3. 1,049 views
A tortoise can run with a speed of 0.13 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time,
1. 1 answer
2. asked by Kelly
3. 1,039 views
You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the
1. 2 answers
2. asked by JUAN911
3. 1,038 views
A hiker makes four straight-line walksA 31 km at 299 degrees B 32 km at 210 degrees C 29 km at 59 degrees D 22 km at 150 degrees
1. 0 answers
2. asked by Joe Rogers
3. 1,033 views
a 100 kg block being released from rest over a pulley from a height of 1.0 m. It takes 0.98 s to reach the floor. What is the
1. 1 answer
2. asked by mike
3. 973 views
a fencing company was asked to enclose three gardens with wire fences: a rectangular garden with a length of 270 meters and a
1. 0 answers
2. asked by christian
3. 954 views
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on
1. 1 answer
2. asked by Anonymous
3. 951 views
I have 3 I don't understand how to do.A 33.2 g of iron ore is treated as follows. The iron in the sample is all converted by a
1. 2 answers
2. asked by Brett
3. 942 views
Rain is falling steadily but there is no wind. You are in an automobile that moves on a straight, flat highway at a constant
1. 0 answers
2. asked by josephz
3. 933 views
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The
1. 1 answer
2. asked by Adam
3. 903 views
if cotx+tanx=a and secx-cosx=b then prove that (a^2b)^0.6667 -(ab^2)^0.6667=1
1. 1 answer
2. asked by zohera
3. 895 views
To cook 4 cups of rice, you use 8 cups of water. To cook 10 cups of rice, you use 20 cups of water. Write an expression to show
1. 2 answers
2. asked by sharon
3. 859 views
what is the prime factorization of 42.
1. 1 answer
2. asked by connie
3. 855 views
a couple is planning to have three children. Find the probability that the couple will have:a.) 2 girls and 1 boy? b.) 2 girls
1. 1 answer
2. asked by nitz
3. 846 views
if you have a cylinder is that is 3 1/2 in. diameter and 3 in. tall what is the total cubic inches
1. 1 answer
2. asked by rebecca
3. 823 views
A tight-rope walker walks across a 30.0 m long wire tied between two poles. The center of the wire is displaced vertically
1. 0 answers
2. asked by john
3. 818 views
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who
1. 0 answers
2. asked by LWatson
3. 817 views
Determine the polar form of the complex number 3 - 2i. Express the angle theta in degrees, where 0 < theta < 360°, and round
1. 1 answer
2. asked by Anne
3. 814 views
48.3-12.716=
1. 1 answer
2. asked by connie
3. 812 views
suppose 45 students in an organization are male and 55 are female. Ten females and 15 males in the organization are graduating
1. 1 answer
2. asked by nitz
3. 804 views
Please explain the Voting Rights Act of 1965
1. 8 answers
2. asked by Vicky
3. 799 views
A two-tailed test is conducted at the 5% significance level. What is the P-value required to reject the null hypothesis?Answer:
1. 1 answer
2. asked by LWatson
3. 797 views
A box contains 1 green ball, 2 blue balls, and 3 red balls. These balls are selected at random, one after another without
1. 1 answer
2. asked by Sarah
3. 792 views
Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who
1. 0 answers
2. asked by Anonymous
3. 786 views
How Do I Do An Expanded Algorithm For 23x17 ?
1. 1 answer
2. asked by Bobby
3. 772 views
list all the factors of 48
1. 2 answers
2. asked by connie
3. 772 views
An object moves in the +x direction at a speed of 30 m/s. As it passes through the origin, it starts to experience a constant
1. 1 answer
2. asked by arcos15
3. 771 views
A ball is thrown vertically upward with a speed of 15.0 m/s.(a) How high does it rise? (b) How long does it take to reach its
1. 1 answer
2. asked by Kelly
3. 765 views
a lead bullet at 100C strikes a steel plate and melts. what was its maximum speed? the specific heat of lead is 0.13 kJ/kg C
1. 0 answers
2. asked by Anonymous
3. 765 views
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the
1. 0 answers
2. asked by Kelly
3. 764 views
if alpha and bita are the zeros of polynomial p(x=3xsquare+2x+1,find the polynomial whose zeros are 1-alpha/1+alpha and
1. 1 answer
2. asked by Anonymous
3. 761 views
A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6.
1. 1 answer
2. asked by Diamond
3. 756 views
Hello,I really don't know where to begin Travis Fortney, an architect, opened an office on April 1, 2010. During the month, he
1. 0 answers
2. asked by Ann Marie Moiten
3. 751 views
1.A hiker started to walk from her campsite heading east with a velocity of 5 m\s after 6 seconds, she attained a velocity of 7
1. 2 answers
2. asked by Shannon
3. 750 views
A rock is thrown upward at 51.1◦with respect to the horizontal. As it rises, its vertical component of velocity 1. remains
1. 1 answer
2. asked by Maria
3. 749 views
using the terms factor, division, multiple, product, and divisible by, write as many statements as you can about the number
1. 1 answer
2. asked by enrique
3. 738 views
A car is traveling at a constant negative velocity of 12.0 m/s. The driver steps on the brakes. The car slows to a stop. The car
1. 0 answers
2. asked by arcos15
3. 728 views
Your 2.85kg physics book rests on a horizontal tabletop.A. Find the normal force on the book. B. Suppose you pull up on the book
1. 1 answer
2. asked by Jessica
3. 724 views
The journal entry to record the withdrawal of cash by Sue Snow, the owner, to pay a personal utility bill would include a debit
1. 1 answer
2. asked by t
3. 720 views
The average person passes out at an acceleration of 7g (that is, seven times the gravitational acceleration on Earth). Suppose a
1. 0 answers
2. asked by Kelly
3. 707 views
5x/9-11=-51
1. 1 answer
2. asked by charles
3. 705 views
A woman at an airport is towing her 17.0 kg suitcase at constant speed by pulling on the strap at an angle θ above the
1. 0 answers
2. asked by sean
3. 692 views
Position vector r has magnitude of 14.8m and direction angle 240 degrees.1. Find it's components, enter x and y components of
1. 0 answers
2. asked by Jessica
3. 676 views
Find the value of 7n when n is 7565
1. 2 answers
2. asked by Andie
3. 663 views
Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 ½ percent. Matty's principal balance at the
1. 0 answers
2. asked by Maury
3. 651 views
A duck has a mass of 2.8 kg. As the duck paddles, a force of 0.09 N acts on it in a direction due east. In addition, the current
1. 0 answers
2. asked by Bob
3. 642 views

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