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Questions Asked on December 13, 2011

an astronaut on the planet zircon tosses a rock horizonally with a speed of 6.95 m/s. the rock falls through a vertical distance
1. 2 answers
2. asked by taylor
3. 8,542 views
a ladder leaning against a wall makes a 60 degree angle with the ground. the base of the ladder is 4m from the building. how
1. 4 answers
2. asked by michael
3. 6,234 views
list the numbers and types of atoms represented by these chemical formulas.a.Fe2O3 b.KMnO4 c.CH3 d.NH4NO3
1. 2 answers
2. asked by arwin
3. 5,044 views
Which trigonometric function can equal or be greater than 1.000?A Sine B Cosine C Tangent D none of the above
1. 6 answers
2. asked by Carl
3. 4,514 views
I'm working on an English assignment and I've answered most of them, but I'm not too sure about these ones.. If you could check
1. 6 answers
2. asked by Amy
3. 4,350 views
In ABC, vertex C is a right angle. Which trigonometric ratio has the sametrigonometric value as Sin A? A Sin B B Cosine A C
1. 2 answers
2. asked by Carl
3. 4,309 views
I need help with a Matrix Algebra problemA small school has 100 students who occupy three classrooms A, B, and C. After the
1. 2 answers
2. asked by Lana
3. 4,186 views
Two motorcycles are traveling in opposite directions at the same speed when one of thecyclists blasts his horn, which has
1. 2 answers
2. asked by Anonymous
3. 3,503 views
find the variation constant and an equation of variation where y varies directly as x and y=35 when x=5 the variation constant
1. 3 answers
2. asked by karon
3. 3,229 views
The Design for a Mural is 16 in. Wide and 9 in High. What are the Dimensions of the largest possible complete mural that can be
1. 3 answers
2. asked by Angel
3. 3,180 views
Isotopes (select one or more):are chemicals that react only with protons. for an element have the same chemical properties. are
1. 1 answer
2. asked by ray
3. 3,150 views
an equilateral triangle has an altitude length of 36 feet. determine the length of a side of the triangle
1. 1 answer
2. asked by anonymous
3. 2,786 views
Which sentence contains a participial phrase with an embedded clause?Running, giraffes look like something that was designed in
1. 6 answers
2. asked by Sherri
3. 2,748 views
Participles are sometimes confused with verbs because they _____?are the same forms used to make verb tenses appear in the
1. 1 answer
2. asked by Sherri
3. 2,532 views
the great gray-green, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m
1. 1 answer
2. asked by taylor
3. 2,234 views
2. A freight train traveling with a velocity of 18.0 m/s to the south begins braking as it approaches the train yard. The
1. 3 answers
2. asked by Anonymous
3. 2,228 views
I need to now what is the poem of full powers about...the poem is by pablo neruda translated by Ben Belitt and Alastair Reid I
1. 6 answers
2. asked by joe
3. 1,910 views
a regular hexagon is composed of 12 congruent 30,60,90 degree triangles. if the length of the hypotenuse of one of those
1. 1 answer
2. asked by damon
3. 1,874 views
Zinc reacts with HCl to produce ZnCl2 and Hydrogen gas, H2. What volume, in ml of a 1.25 M solution would be required to
1. 1 answer
2. asked by Meagan
3. 1,847 views
Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual interest rate r
1. 3 answers
2. asked by rock
3. 1,790 views
Two ice skaters, Daniel (mass 70.0 ) and Rebecca (mass 45.0 ), are practicing. Daniel stops to tie his shoelace and, while at
1. 1 answer
2. asked by roro
3. 1,714 views
Sketch the region bounded by the graphs of the algebraic functions & find the area of the region:f(x)=10/x, x=0 , y=2, y=10 I
1. 1 answer
2. asked by Venne
3. 1,655 views
using VSEPR THEORY SHOW WHY1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER
1. 1 answer
2. asked by rebecca
3. 1,615 views
You are a forensic doctor called to a murder scene. When the victim was discovered, the body temperature was measured and found
1. 7 answers
2. asked by Helga
3. 1,590 views
What mass of barium sulphate can be produced when 100.0 mL of a 0.100 M solution of barium chloride is mixed with 100.0 mL of a
1. 2 answers
2. asked by Rachel
3. 1,588 views
abel belle, and cindy have $408 altogether. belle has $7 more than cindy $5 more than abel how much does abel have
1. 14 answers
2. asked by Anonymous
3. 1,571 views
Bromine consists of two major isotopes with the following percent abundances and atomic masses: 79Br (50.54% and 78.918 amu) and
1. 2 answers
2. asked by perry
3. 1,545 views
If 20% of the people in a community use the emergency room at a hospital in one year, find the probabilities for a sample of 10
1. 1 answer
2. asked by Joe
3. 1,510 views
What were the goals and results when rejected Darius' peace settlement of all land west of Euphrates river
1. 2 answers
2. asked by Alanna
3. 1,484 views
a solid substance has a density of 4.36 g/ml. what is the volume of 30 g of this substance?
1. 2 answers
2. asked by jessica lou
3. 1,475 views
the great gray-green, greasy zambezi river flowa over victoria falls in south central africa. the falls are approximately 108 m
1. 1 answer
2. asked by taylor
3. 1,454 views
Which of the following statements about Truman's Fair Deal is true?A. It was Truman's response to the Soviet's Sputnik. B. It
1. 7 answers
2. asked by jake
3. 1,450 views
Selenium from 0.108 g of Brazil nuts was converted into a fluorescent product, which was extracted into 10.0 mL of cyclohexane.
1. 0 answers
2. asked by Anon
3. 1,427 views
A speaker is designed for wide dispersion for a high frequency sound. What should thediameter of the circular opening be for a
1. 1 answer
2. asked by Anonymous
3. 1,416 views
On the portion of the straight line x+y-7=0 which is intercepted between the axes a square is constructed on the side og the
1. 1 answer
2. asked by parul srivastav
3. 1,397 views
3. In "Of Plymouth plantation, at the first Thanksgiving, the Pilgrims are most thankful fora. the treaty they made with the
1. 5 answers
2. asked by mysterychicken
3. 1,365 views
how far will 490 J raise a block weighing 7 N?
1. 1 answer
2. asked by Melany
3. 1,358 views
The period t ( in seconds) of a simple pendulum as a function of its length l(in feet) is given by t(l) = xpie sqrt 1/32.2a.
1. 3 answers
2. asked by anon
3. 1,291 views
A new extended-life light bulb has an average service life of 750 hours, with a standard deviation of 50 hours. If the service
1. 1 answer
2. asked by Stephanie F
3. 1,286 views
Check this please :DWhich of the following three statements used to describe work are true: i)Work is done only if an object
1. 0 answers
2. asked by Kellie
3. 1,280 views
A blood serum sample containing Na+ gave an emission signal of 4.27 mV. A small volume of concentrated standard Na+ was then
1. 1 answer
2. asked by Ken
3. 1,277 views
consider the function:f(x)=3sin(2(x-30))-1 determine the first three x-intercepts to the right of the origin, rounded to the
1. 1 answer
2. asked by justme
3. 1,275 views
using VSEPR THEORY SHOW WHY1)BF4- is a tetrahedral molecule 2)SF3+ is a Trigonal pyramidal molecule 3)ICI4- IS A SQUARE PLANER
1. 1 answer
2. asked by rebecca
3. 1,260 views
The marginal cost of a certain commodity is C'(x)= 3x^2 -36x + 120If it costs 5 dollars to produce 1 unit, then find the total
1. 1 answer
2. asked by Anonymous
3. 1,257 views
.) An architect is building a model of a tennis court for a new client. On the model, the court is 6 inches wide and 13 inches
1. 2 answers
2. asked by kara
3. 1,245 views
in a hypothesis test conducted at a level of significance of 2%a p-value of 0.01280 was obtained the best interpation of the
1. 1 answer
2. asked by ron
3. 1,209 views
An astronaut lands on an alien planet. He places a pendulum (L = 0.200 m) on the surface and sets it in simple harmonic motion.a
1. 1 answer
2. asked by Mishaka
3. 1,200 views
"mission civilisatrice" is best described asA) a movement in which the french tried to implant french culture into first nations
1. 1 answer
2. asked by carlie
3. 1,192 views
Quadrilateral WXZY is a square. If YX = 30 and WT = 2x – 7, then find the value of x.(Points : 2) 4 18.5 11 15 or
1. 2 answers
2. asked by Hope
3. 1,192 views
What electrical changes occur in muscles as they get tired? student subjects are instructed to hold their arms above their
1. 2 answers
2. asked by Anonymous
3. 1,185 views
abel belle, and cindy have $408 altogether. belle has $7 more than cindy $5 more than abel how much does abel have
1. 1 answer
2. asked by Anonymous
3. 1,180 views
What mass of hydrogen peroxide should result when 1.50g of barium peroxide is reacted with 25.0mL of 0.50 M hydrochloric acid?
1. 1 answer
2. asked by confused
3. 1,177 views
how many moles of calcium and chloride ions are there in 1.00mol of cacl2
1. 1 answer
2. asked by bt
3. 1,176 views
Which of the following is true of the Supreme Court's decision in Brown v. Board of Education of Topeka?[A. It declared that
1. 1 answer
2. asked by jake
3. 1,152 views
A sample consisting of various gases contains 2.6 10-6 mole fraction of radon. This gas at a total pressure of 37 atm is shaken
1. 1 answer
2. asked by kanika
3. 1,146 views
Decline of the PuritansDuring 1700s, the Puritan tradition declined. Fewer familes left England for regligious reasons.
1. 7 answers
2. asked by Lauren
3. 1,054 views
A drag racer, starting from rest, speeds up for 384 m with an acceleration of +19.3 m/s2. A parachute then opens, slowing the
1. 0 answers
2. asked by chris
3. 1,049 views
I am not sure if my my original post, posted? lolo Age, understanding the concept of death, and the changes in family structure
1. 1 answer
2. asked by Dawn
3. 1,046 views
In preparation for this problem, review Conceptual Example 7. From the top of a cliff, a person uses a slingshot to fire a
1. 2 answers
2. asked by T
3. 1,040 views
Atom X has atomic mass (A) = 40 and atomic number (Z) = 20. Atom Y has A = 42 and Z = 20. How are these two atoms related?
1. 1 answer
2. asked by bob
3. 1,036 views
If you make a solution by dissolving 25.0g of sodium chloride in 100.0 mL of water. What is the boiling point of the solution?
1. 2 answers
2. asked by confused
3. 1,032 views
Help is needed! Please help!Social influence ranges in intensity from the gentlest form _______, which involves changing one's
1. 0 answers
2. asked by Princess
3. 1,019 views
Hi guys: Can any one please tell me what does this means? Thanks----------------------------------------------------------------
1. 0 answers
2. asked by Kathleen
3. 1,017 views
By expressing 3x as (2x + x) prove thatcos3x = 4cos^3x - 3cosx
1. 1 answer
2. asked by Rin
3. 1,016 views
A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an
1. 0 answers
2. asked by Kristina
3. 1,014 views
Before starting this problem, review Multiple-Concept Example 6. The left ventricle of the heart accelerates blood from rest to
1. 0 answers
2. asked by S
3. 987 views
Justin's new telephone number is 663-7589. He frequently tells people that it is 633-7589. He is puzzle as to why he keeps doing
1. 1 answer
2. asked by Amy
3. 986 views
Speed of passenger train is 6mph faster than the freight train. The passenger train travels 260 miles at the same time the
1. 1 answer
2. asked by Chelsea
3. 986 views
Sue this mohammad’s sister, his computer not working. He need help with his work today. Imagine urself as the prime minister
1. 10 answers
2. asked by Shreya
3. 981 views
Is this the correct answer!When making the "fundamental attributional error," we tend to overestimate the importance of ____ in
1. 1 answer
2. asked by Princess
3. 973 views
Scientists want to set up and test animals in the area for West Nile. The costs to test are $2,200 for setup plus $1.50 to
1. 4 answers
2. asked by Joisey girl
3. 968 views
the number of kilograms of water in a human body varies directly as the mass of the body an 87kg person contains 58kg of water
1. 1 answer
2. asked by karon
3. 958 views
Consumer Reports rated airlines and found that 80% of flights involved in the study arrived on time (that is, within 15 minutes
1. 0 answers
2. asked by Sam
3. 957 views
A compound of the element A and oxygen has a mole ratio of A:O=2:3. If 8.0 grams of the oxide contains 2.4 grams of the oxygen,a
1. 2 answers
2. asked by Anne
3. 956 views
A researcher has collected statistics pretest scores for students representing 3 different age groups18-30 31-45 45 and up 3 5
1. 1 answer
2. asked by Malia
3. 956 views
The profit, y, be selling x pretzels is found by the formula y = -0.002x^2 + 1.6x -350. Find the number of pretzels that must be
1. 0 answers
2. asked by Jane
3. 953 views
A crate of mass 0.812 kg is placed on a rough incline of angle35.3 degrees. Near the base of the incline is a spring of spring
1. 0 answers
2. asked by Lauren
3. 945 views
The 1978 Supreme Court decision in Bakke v. Regents of the University of CaliforniaA. established the "red state-blue state"
1. 1 answer
2. asked by jake
3. 942 views
I'm doing some extra credit projects for all of my classes (maybe gym idk). Is there any extra credit ideas I can do for the
1. 11 answers
2. asked by Lauren
3. 900 views
what is the most abundant type of sediment in the ocean?
1. 0 answers
2. asked by gfd
3. 884 views
A crate weighing w pounds sits on a ramp positioned at an angle of x with the horizontal. The forces acting on this crate are
1. 1 answer
2. asked by A
3. 871 views
a mountain climber jumps a 3.0 m wide crevasse by leaping horizontally with a speed of 8.0 m/s. (a) if the climber's direction
1. 0 answers
2. asked by taylor
3. 865 views
A 43 kg, 5.3-{\rm m}-long beam is supported, but not attached to, the two posts in the figure . A 23 kg boy starts walking along
1. 0 answers
2. asked by Anonymous
3. 854 views
A geologist thinks his dig site use to be a creek environment. What kind of fossils would help prove his hypothesis
1. 1 answer
2. asked by Shiontalea
3. 850 views
How many paragraphs does a literary review have? This is a writing assignment for Grade 12 English. I need to write literary
1. 2 answers
2. asked by John
3. 844 views
how many moles are there in 100 g of sulfur dioxide?
1. 1 answer
2. asked by jessica lou
3. 837 views
According to continuity theory, the Big Five personality traits
1. 1 answer
2. asked by Anonymous
3. 822 views
What can fossils tell us about the animal and it's environment
1. 1 answer
2. asked by Shiontalea
3. 810 views
In introductory physics laboratories, a typicalCavendish balance for measuring the gravitational constant G uses lead spheres of
1. 1 answer
2. asked by Jesus
3. 810 views
the 2002 afganistan earthquake measured 5.9 on the richter scdale and killed 1800 people. the 2001 western Washington 6.8 on the
1. 1 answer
2. asked by larson
3. 808 views
two canoeists start paddling at the same time and head toward a small island in a lake. caneist 1 paddles with a speed of 1.35
1. 0 answers
2. asked by taylor
3. 793 views
The Near Earth Asteroid Rendezvous (NEAR), after traveling 2.1 billion km, is meant to orbit the asteroid Eros at a height of
1. 0 answers
2. asked by Millie
3. 789 views
a gun is fired at a distance of 24.3km away from man. he hears the sound after 27 second. find the speed of sound at which it
1. 3 answers
2. asked by vishal
3. 787 views
A team of dogs drags a 112 jk sled 2.23 km over a horizontal surface at a constant speed. The coefficient of friction between
1. 0 answers
2. asked by selena
3. 785 views
Two balls, each with a mass of 0.803 kg,exert a gravitational force of 8.27 × 10 −11 N on each other. How far apart are the
1. 0 answers
2. asked by Jesus
3. 779 views
By expressing 3x as (2x + x) prove thatcos3x = 4cos^3x - 3cosx
1. 1 answer
2. asked by Rin
3. 773 views
Help....Help...Suppose you deposit a principal amount of p dollars in a bank account that pays compound interest. If the annual
1. 0 answers
2. asked by Rock
3. 768 views
Which of the following statements is true regarding the Korean War?A. The Chinese armed and trained the North Korean army. B.
1. 1 answer
2. asked by jake
3. 762 views
Hi,Could someone help me with this science homework? Symbiotic Relationships in the Baltimore Checkerspot Butterfly's Habitat
1. 3 answers
2. asked by ST -ASAP- please
3. 753 views
the stopping distance d of a car after the brakes are applied varies directly as the square of the speed r if a car travelling
1. 1 answer
2. asked by karon
3. 753 views

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