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Questions Asked on September 19, 2012

In the absence of air resistance, a projectile is launched from and returns to ground level. It follows a trajectory similar to
1. 2 answers
2. asked by Anonymous
3. 13,023 views
write a function whose graph is the graph of y=x^2, but is shifted to the left 6 units.
1. 2 answers
2. asked by ladybug
3. 9,901 views
1-Which of the following statements about literary movements is NOT true? (1 point)A A literary movement is a period that shares
1. 11 answers
2. asked by anna
3. 9,094 views
Which of the following aqueous solutionsshould form a precipitate with aqueous Fe(NO3)3? 1. KNO3 2. KCl 3. K2SO4 4. KOH
1. 3 answers
2. asked by cheri
3. 8,101 views
I am pretty confused on this.1. Pick the appropriate solvent to dissolve A) Sodium Chloride (ionic) B) Sodium Nitrate (ionic)
1. 6 answers
2. asked by michelle
3. 7,994 views
Farmer Ben has only ducks and cows. He can't remember how many each he has, but he really doesn't need to remember. He does know
1. 2 answers
2. asked by Lanay
3. 7,800 views
A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0º below the horizontal. The loaded cart has a
1. 1 answer
2. asked by John
3. 7,173 views
you have 100ml of water in a beaker. you add 20 ml of table salt. the water level rises to only 105 ml.
1. 16 answers
2. asked by Tee
3. 5,405 views
I need help please I am so confused.How much dry solute would you take to prepare each of the following solutions from the dry
1. 3 answers
2. asked by Erica
3. 5,217 views
a weightlifter raises a 70 kg barbell from the floor to a height of 2.2m in 1.2s. What was his average power output during the
1. 3 answers
2. asked by tracey
3. 4,977 views
a space traveller determines the radius of a planet to be half of earth . After landing on its surface , he finds the
1. 3 answers
2. asked by hanu
3. 4,506 views
If you analyzed each of the substancesNaBr, KOH, CrPO4, Pb(OH)2, RbCl, LiNO3 by mixing them with water in a beaker, which
1. 4 answers
2. asked by cheri
3. 3,944 views
Suppose that you wanted to be sure that ametal ion, any metal ion, would dissolve in water. What salt of the metal ion compound
1. 3 answers
2. asked by cheri
3. 3,621 views
2) To the solution in problem 1 (d) at 100 degrees celsius, 10g of water are added, and the solution is cooled to 0 degrees
1. 3 answers
2. asked by Sam
3. 3,253 views
Find c for Rolle's Theorem for f(x) = x3 – 12x on [0,2 3 ]
1. 3 answers
2. asked by JOJO
3. 3,208 views
Which response includes all of the followingLiOH, KOH, Ni(OH)2, Mg(OH)2, Ca(OH)2 that are insoluble bases, and no others? 1.
1. 2 answers
2. asked by cheri
3. 3,165 views
What is the doubling time of prices which are increasing by 5 percent per year?
1. 1 answer
2. asked by Annie
3. 3,110 views
A shell is ﬁred from the ground with an initialspeed of 1.70 × 10 3 m/s (approximately ﬁve times the speed of sound) at an
1. 1 answer
2. asked by Mara
3. 3,095 views
Which one of the following substances isLEAST soluble in water? 1. BaCO3 2. KSCN 3. Na3PO4 4. RbOH 5. LiBr
1. 2 answers
2. asked by cheri
3. 2,982 views
The half-life of radioactive strontium-90 is approximately 32 years. In 1961, radioactive strontium-90 was released into the
1. 3 answers
2. asked by Annie
3. 2,824 views
What is the doubling time of prices which are increasing by 5 percent per year?
1. 1 answer
2. asked by Annie
3. 2,714 views
Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol.How much potassium nitrate
1. 2 answers
2. asked by student
3. 2,646 views
Which of the following aqueous solutionsshould NOT form a precipitate with aque- ous Ba(NO3)2? 1. K3PO4 2. K2SO4 3. K2CO3 4. KOH
1. 4 answers
2. asked by cheri
3. 2,631 views
You are planning to save for retirement over the next 35 years. To do this, you will invest $770 a month in a stock account and
1. 1 answer
2. asked by Jackie Yale
3. 2,500 views
At a certain instant a moving object comes to momentary rest. Is it accelerating at that moment?
1. 2 answers
2. asked by princess
3. 2,492 views
cyclohexane=1.4264 toluene=1.4967 at 20˚CMixture=1.4563 at 20˚C Assuming that the relationship between refractive index and
1. 1 answer
2. asked by Lauren
3. 2,437 views
If a distribution is skewed, should the mean must be smaller than the median?
1. 1 answer
2. asked by Gee
3. 2,372 views
Trying to be on time for class, a girl moves at 2.4 m/s down a 52 m-long hallway, 1.2 m/s down a much more crowded hallway that
1. 5 answers
2. asked by Cynthia
3. 2,342 views
A missile is fired and travels at 309 m/s. If the operator discovers that the missile is locked on the wrong target and must be
1. 1 answer
2. asked by Chidera
3. 2,251 views
True or False? We are fortunate to have much reliable information about Homer and his history.
1. 2 answers
2. asked by anonymous
3. 2,218 views
A variety of ions including Na+, K+, NH4+, Pb2+, Fe2+, NO3 −, Cl−, Br−, S2−, and CO3 2− are mixed in a beaker of
1. 2 answers
2. asked by cheri
3. 2,160 views
Which of the speciesKClO2, NH4Br, HNO2, PbS is/are insoluble in water? 1. NH4Br and NH3 2. KClO3 3. PbS 4. HNO2 5. All of these
1. 3 answers
2. asked by cheri
3. 2,154 views
Given the density of copper 8.96g/mL, zinc 7.14g/mL, and brass 8.36g/mL. What is the fraction of copper and zinc in brass
1. 1 answer
2. asked by Anonymous
3. 2,135 views
Consider the following reactionCaCl2(aq) + 2Ag2SO4(aq) ! CaSO4(?) + 2AgCl(?) .Which of the following statements is true? 1. Both
1. 4 answers
2. asked by cheri
3. 2,051 views
A 970-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 25.0 m/s.
1. 3 answers
2. asked by Anonymous
3. 1,961 views
In choosing a primary standard we generallychoose something that 1. All of these are properties we want in a primary standard.
1. 3 answers
2. asked by cheri
3. 1,918 views
When baseball players throw the ball in from the outfield, they sometimes allow it to take one bounce before it reaches the
1. 1 answer
2. asked by lib
3. 1,904 views
in a class one quarter of students have blonde hair and brown eyes and one third have brown eyes and blonde hair what fraction
1. 2 answers
2. asked by sean
3. 1,878 views
A 51 meter rope is cut into 2 pieces so that one piece is 6 meters longer than four times the shorter piece. Find the lengths of
1. 2 answers
2. asked by Kimberli
3. 1,860 views
1.a newborn weighs 3,000 g. what is his weight in kilograms?2.a newborn weighs 3,000g. what is his weight in pounds? 3.a stock
1. 4 answers
2. asked by cleondra
3. 1,809 views
A man pushes a lawn mower on a level lawn with a force of 200N it 40% of this force is directed downward how much woek is done
1. 1 answer
2. asked by Isis
3. 1,785 views
I need help on this question..."Make a conjecture about the next item in the sequence. 1,-2,-5,-8,-11,? Please help...
1. 2 answers
2. asked by Katherine
3. 1,774 views
Why is knee-jerk reflex exaggerated after the book is clenched?
1. 1 answer
2. asked by G
3. 1,737 views
I am a 2- digit number . The sum of my digits is 12 . My tens digit is 4 more than my ones digit. What number am I ?
1. 3 answers
2. asked by Hailey
3. 1,616 views
identify a chemical reagent that can be used to distinguish CaCl2 (soluable) from CaCO3 (insoluable). What is the distinguishing
1. 3 answers
2. asked by felicia
3. 1,537 views
Draw and label line BN. Draw and label point T on it
1. 2 answers
2. asked by lenny
3. 1,533 views
A car traveling 56 km/h is 22.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.15 s later.(a)
1. 1 answer
2. asked by arcos15
3. 1,514 views
A glucose solution contains 55.0g of glucose C6H12O6 in 475g of water.Compute the freezing point and boiling point of the
1. 1 answer
2. asked by Monica
3. 1,490 views
You are shopping for single-use cameras to hand out at a party. The daylight cameras cost $2.75 and the flash cameras cost
1. 1 answer
2. asked by LeAnn
3. 1,488 views
HCN is mixed with water. Which is the bestdescription of what you would expect to find in the solution? 1. CN+, OH−, and water
1. 2 answers
2. asked by cheri
3. 1,462 views
A car goes around a curve on a road that is banked at an angle of 33.5 degrees. Even though the road is slick, the car will stay
1. 2 answers
2. asked by Claire
3. 1,431 views
The total ticket sales for the school basketball game were $1625. Adult tickets were $7 and the student tickets were $3. Twice
1. 2 answers
2. asked by Steve
3. 1,431 views
Potassium nitrate has a lattice energy of -163.8 kcal/ mol and a heat of hydration of -155.5 kcal/ mol .How much potassium
1. 1 answer
2. asked by michelle
3. 1,413 views
1.If two different lines are perpendicular to the same plane, they are:a. Collinear b. Coplanar c. Congruent d. Consecutive I
1. 0 answers
2. asked by Squid
3. 1,409 views
1. You observe two beakers containing clear liquid and ice cubes. In the first beaker, the ice cubes are floating. In the
1. 3 answers
2. asked by Crystal
3. 1,390 views
can someone please help me with this question?Given the function f(x)=3x-9 Find the rate of the change between the stated values
1. 1 answer
2. asked by ladybug
3. 1,363 views
Pre study scores versus post-study scores for a class of 120 college freshman english students were considerated. The residual
1. 1 answer
2. asked by Gee
3. 1,352 views
is the work needed to bring a car's speed from 0 to 10 km/h less than, equal to or more then the work needed to bring its speed
1. 1 answer
2. asked by tracey
3. 1,343 views
your internet provider offers two different plans. one plan costs $0.02 per email plus a $9 monthly service charge. the other
1. 0 answers
2. asked by taylor
3. 1,343 views
a student paid little attention to the size of his burner flame while heating a 0.979 gram sample of calcium oxalate
1. 1 answer
2. asked by maxine
3. 1,340 views
Write each ratio as a fraction in simple form.
1. 5 answers
2. asked by Savanna
3. 1,320 views
A good scientist must have a keen mind an unqhenchable curiousity and a (groundless disinterested) desire to discover the truthd
1. 5 answers
2. asked by Jerald
3. 1,309 views
Two objects are connected by a light string that passes over a frictionless pulley. The incline is frictionless, m1 = 2.00 kg,
1. 3 answers
2. asked by Avery
3. 1,300 views
find the mystery number, it is a 4 digit odd number, all the digits are different, none of the digits are 0-9, the tens digit is
1. 3 answers
2. asked by Evelyn
3. 1,272 views
On a distant planet, golf is just as popular as it is on earth. A golfer tees off and drives the ball 4.1 times as far as he
1. 1 answer
2. asked by Anonymous
3. 1,267 views
A 3 kg toy car with a speed of 10 m/s collides head-on with a 2 kg car traveling in the opposite direction with a speed of 2
1. 1 answer
2. asked by mk
3. 1,260 views
A 52kg teen grabs onto a rope swing. The length of rope between the teen and the pivot point above is 4.5m, and the rope makes
1. 1 answer
2. asked by taryn
3. 1,254 views
Suppose an investment offers to double your money in 12 months. What rate of return per quarter are you being offered?
1. 1 answer
2. asked by Jackie Yale
3. 1,253 views
A man wants to remove a tall pine tree from his yard. Before he goes to home depot, he needs to know how tall an extension
1. 1 answer
2. asked by Sara smith
3. 1,233 views
Naomi draws a portion of a figure as shown. She wants to construct a line segment through R that makes the same angle with as .
1. 1 answer
2. asked by mary
3. 1,220 views
The constants "a" and "b" in the van der waals equation are "empirical coefficients". What exactly does that mean?Show that the
1. 1 answer
2. asked by Indi
3. 1,215 views
To move a large crate across a rough floor, you push on it with a force F at an angle of 21¨¬ below the horizontal. The mass
1. 1 answer
2. asked by nate
3. 1,207 views
A 3800 kg car travels around an unbanked corner at the recommended speed of 65 km/hr. the radius of curvature is 80 m.a) what is
1. 1 answer
2. asked by Delia
3. 1,207 views
Which of the following sentences displays an INCORRECT use of interjections?A.No, I have not told Laura about the surprise!
1. 4 answers
2. asked by Beth
3. 1,199 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 92.0 m horizontally and 47.0 m
1. 2 answers
2. asked by lib
3. 1,198 views
A swimmer, capable of swimming at a speed of 1.3 m/s in still water (i.e., the swimmer can swim with a speed of 1.3 m/s relative
1. 0 answers
2. asked by manny
3. 1,189 views
Unit rate for Driving 180 miles for in 3 hours
1. 4 answers
2. asked by A.c
3. 1,189 views
A fire hose ejects a stream of water at an angle of 31.5 ° above the horizontal. The water leaves the nozzle with a speed of
1. 1 answer
2. asked by ray
3. 1,178 views
consider the equation x^2+kx+1=0a single fair die(dice)is rolled to determine the value of the middle coefficient, k. the value
1. 1 answer
2. asked by dan
3. 1,174 views
A mountain-climbing expedition establishes two intermediate camps, labeled A and B in the drawing, above the base camp. (x1 =
1. 0 answers
2. asked by Anonymous
3. 1,153 views
Suppose a college's SAT scores are normally distributed with mean 1000 and standard deviation 1 for students above 1200. What
1. 1 answer
2. asked by iroc
3. 1,149 views
An ion can be removed from an aqueous solu-tion by 1. the formation of a gas that escapes. 2. formation of a precipitate. 3. the
1. 3 answers
2. asked by cheri
3. 1,148 views
it has been a while since ive done these so i just need a refresher. im looking for the heat of hydration of lithium chloride
1. 3 answers
2. asked by michelle
3. 1,148 views
I am not even sure how to set up the objective function... Help!Graduate student Luke currently has $400 in cash. At the
1. 0 answers
2. asked by Jessica
3. 1,143 views
a curve of radius 50 m is to be banked, so that the automobile may make a turn at a speed of 15 m/s without depending on
1. 1 answer
2. asked by mee
3. 1,133 views
Please help me on pg 50 from algebra with pizzazz 5,6,8
1. 2 answers
2. asked by AndroAttaalla
3. 1,131 views
Add the fractions 1/3, 5/6, and 3/8 and reduce your answer to lowest terms.
1. 1 answer
2. asked by John
3. 1,129 views
19. The major reason for the predominance of the PCI bus in the latest models of PCs is thatEnd of exam A. it's exclusively
1. 3 answers
2. asked by g
3. 1,123 views
1. What roles do the adults or older figures play in the lives of the various narrators? Select a figure from each of the four
1. 2 answers
2. asked by Lilith
3. 1,114 views
QUESTION #1cost analysis with graph office copier has an initial price of $2500. A service contract costs $200 for the first
1. 0 answers
2. asked by Anonymous
3. 1,103 views
I have the linear formula of CH3CH2OLi and I'm trying to draw the structure with charges. Not really sure how. Please help.
1. 1 answer
2. asked by Leanna
3. 1,090 views
How do you solve c + 70 + 12c = 196 - 5c
1. 0 answers
2. asked by elise
3. 1,076 views
Do impurities raise or lower the refractive index of a liquid? Please explain, I can't find it anywhere.
1. 1 answer
2. asked by Lauren
3. 1,061 views
complete each equation..1.5mi/min=________ mi/hr $1.92 per lb=________ per oz $18,500 salary per year=______ per week 42
1. 2 answers
2. asked by Carly
3. 1,057 views
Identify the term that correctly identifies the italicized word(s) in each sentence.7. Listening to the mix CD my brother made
1. 5 answers
2. asked by aliyah
3. 1,057 views
Water is poured into a container in the sape of a right circlar cone with raiud 4t an heigh 16 feet. Express the volue (V) of
1. 3 answers
2. asked by Rebekah
3. 1,057 views
One of two supplementary angles is 4 times the other. Find the larger angle.
1. 1 answer
2. asked by Cheree
3. 1,045 views
4-The three fundamental economic questions of what, how, and for whom:a-exist because of scarcity. b-are much more serious in a
1. 3 answers
2. asked by Randy
3. 1,041 views
A diver leaves a 3m board on a trajectory that takes her 2.5m above the board and then into the water a horizontal distance of
1. 1 answer
2. asked by Helpless
3. 1,040 views
What are the step by step in finding the answer for this?4C6H1206 carbon atoms: Hydrogen atoms: Oxygen atoms: Molecules:
1. 0 answers
2. asked by Sally
3. 1,032 views

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