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2011
November
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November 20, 2011
a bicyclist is finishing his repair of a flat tire when a friend rides by at 3.5 m/s. two seconds later, the bicyclist hops on
2 answers
asked by
taylor
10,541 views
A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 30ft, find the
3 answers
asked by
Daniel
8,875 views
A ball is projected horizontally from the edge of a table that is 1.15 m high, and it strikes the floor at a point 1.70 m from
3 answers
asked by
Michaela
8,580 views
A student is asked to standardize a solution of barium hydroxide. He weighs out 0.945 g potassium hydrogen phthalate (KHC8H4O4,
2 answers
asked by
Hannah
7,122 views
find the number of free electrons in a copper conductor having a diameter of 0.064 in. and a length of 1000ft.
2 answers
asked by
Marc Eugene Adriano
6,212 views
From a survey of 100 college students, a marketing research company found that 65 students owned iPhones, 40 owned cars, and 30
7 answers
asked by
MONICA
6,160 views
sulfur dioxide (g) + oxygen (g) sulfur trioxide (g)
SO2 + O = SO3 Is this correct for the balanced equation?
1 answer
asked by
Hannah
6,122 views
In many locations, old abandoned stone quarries have become filled with water once excavating has been completed. While standing
2 answers
asked by
Kaegan
4,753 views
A 821-kg car stopped at an intersection is rear-ended by a 1810-kg truck moving with a speed of 11.5 m/s. If the car was in
2 answers
asked by
Daniel
4,723 views
let f be the function defined by f(x)=3X^5 -5X^3 +2
a) on what interval is f increasing? b) on what interval is the graph of f
4 answers
asked by
Yoona
4,295 views
The significance of specific base pairing in DNA is that
A) it stabilizes the sugar molecule B) it provides a method for making
2 answers
asked by
jake
3,136 views
tan theta= 15/8 and pi< theta<3pi/2
a. Sin(- theta) b. cos2theta c. sin( theta - 3pi/4) d. cos(theta/2) can someone explain to me
1 answer
asked by
unknown
2,669 views
Balance the following redox reaction occurring in acidic solution
Cu(s) + NO3-(aq)--> Cu2+(aq) +NO2(g) This is what I have done
1 answer
asked by
Monique
2,667 views
A weather balloon carries instruments that measure temperature, pressure, and humidity as it rises through the atmosphere.
2 answers
asked by
Shirley
2,585 views
Find the exact value of the trigonometric function given that
sin u = − 8/17 and cos v = − 3/5. (Both u and v are in Quadrant
2 answers
asked by
Alexander
2,530 views
An exponential sequence of positive terms and a linear sequence have the same first term.the sum of their first terms is 3 the
5 answers
asked by
Tosin
2,478 views
Rank the following 4 compounds in order of lowest to highest freezing point.
Enter the formulas in the spaces provided. For
1 answer
asked by
Whats Good
2,472 views
Bill Spread, owner of the Bedding Shop, knows that his customers will pay no more than $300 for a comforter. Assume Bill wants a
3 answers
asked by
andrea
2,344 views
A 45.7-kg boy on a swing moves in a circular arc of radius 3.80 m.At the lowest position, the child's speed reaches 2.78 m/s.
2 answers
asked by
khan
2,310 views
An accounting firm is planning for the next tax preparation season. From last year's returns, the firm collects a systematic
1 answer
asked by
SHA
2,228 views
I am stumped on this one...Please help!!!
Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify
1 answer
asked by
Nathan
2,199 views
practice exam...not sure how to do this
A solution contains 10.0 mmol of H3PO4 and 5.0 mmol of NaH2PO4. How many millimeters of
2 answers
asked by
Minx64
2,121 views
The following sentence is in what tense?
Laura has given donations to the local food bank. A. Present B. Present perfect C. Past
7 answers
asked by
Anonymous
1,979 views
let f be the function defined by f(x)=12x^2/3 -4X
a)find the intervals on which f is increasing I got the rest of the question
2 answers
asked by
Yoona
1,963 views
A young hockey player stands at rest on the ice holding a 1.3-kg helmet. The player tosses the helmet with a speed of 4.6 m/s in
1 answer
asked by
Daniel
1,726 views
the figures are similar. the are of one figure is given. find the area of the other figure to the nearesr whole number. the area
2 answers
asked by
Anonymous
1,679 views
A particle moves along the c-axis so that at time t its position is given by x(t)=t^2-6^t+9t+11
a)What is the velocity of the
4 answers
asked by
Yoona
1,675 views
Tom the cat is chasing Jerry the mouse across a table surface 2.4 m off the floor. Jerry steps out of the way at the last
2 answers
asked by
Kethe
1,645 views
A tennis ball of mass= 0.058 kg and speed= 19 m/s strikes a wall at a 45 degree angle and rebounds with the same speed at 45
2 answers
asked by
Mel
1,636 views
Calculate the tidal force experienced by Io. How does it compare to the tidal force experienced by the Moon due to the Earth?
2 answers
asked by
roach
1,441 views
stefan has set up a right triangle EFG on the side of a river such that FG measures 20m and angle DEF measures 60 degrees. EG
1 answer
asked by
yess
1,406 views
A particle of mass m1 = 2.5 kg moving along the x axis collides with a particle of mass m2 = 4.7 kg initially at rest. The
2 answers
asked by
joe
1,394 views
20g of nitrogen gas and 10g of helium gas are placed together in a 5L container at 25C . Calculate the partial pressure of each
1 answer
asked by
NONO
1,381 views
1. Which one of the following sentences contains an error in its verb?
A. Both Clara and Nathan is planning to attend. B. Neither
4 answers
asked by
Anonymous
1,364 views
evaluate the integral of
(e^3x)(cosh)(2x)(dx) A.(1/2)(e^5x)+(1/2)(e^x)+C B.(1/10)(e^5x)+(1/2)(e^x)+C C.(1/4)(e^3x)+(1/2)(x)+C
4 answers
asked by
Tracy
1,335 views
Before beginning a vigorous aerobic exercise routine, all adults should
A. undergo a thorough physical examination. B. hire a
2 answers
asked by
Anonymous
1,268 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 answer
asked by
tony
1,248 views
Find 10-th, 60-th and 75-th percentiles in each of your data set, then write down each value that corresponds to those
0 answers
asked by
metu
1,246 views
so are you coming to my house tomorrow?
Translate into spanish plzzz
1 answer
asked by
fred
1,227 views
Point D is the incenter of triangle ABC. Write an expression for the length x in terms of the three side lengths AB, AC, and BC.
2 answers
asked by
Anonymous
1,221 views
a decrease in demand for a product, holding other things constant, will
2 answers
asked by
anthony
1,191 views
Find the value of x in the kite below. TU = 15x – 23 and UV = 3x + 37
1 answer
asked by
Kodah
1,169 views
Which one of the following types of training involves 10 to 30 minutes of high-intensity exercise?
A. Medium range B. Anaerobic
2 answers
asked by
Anonymous
1,127 views
What type of mirror is used whenever a magnified image of an object is needed?
They say its convex but why? i though convex
1 answer
asked by
Anonymous
1,116 views
A ball is projected horizontally from the edge of a table that is 1.15 m high, and it strikes the floor at a point 1.70 m from
1 answer
asked by
Michaela
1,108 views
Air in a balloon does 25 J of work while absorbing 81 J of heat. What is the change in internal energy?
2 answers
asked by
D
1,091 views
A particle moves on the x-axis with an acceleration, 246msta. Find the position and velocity of the particle at
1 answer
asked by
Farah
1,087 views
A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a
3 answers
asked by
susan
1,085 views
A 83-kg worker clings to a lightweight rope going over a lightweight, low-friction pulley. The other end of the rope is
1 answer
asked by
matt
1,083 views
What does it says in the NJHS Application when they give it to you?
4 answers
asked by
Laruen
1,083 views
Concerning dictionaries and their proper use, which one of the following statements is most accurate?
A. A dictionary's word
2 answers
asked by
Anonymous
1,076 views
Nickel carbonyl has a formula: Ni(CO)4. Nickel carbonyl is produced by the reaction of solid nickel metal with carbon monoxide
1 answer
asked by
Jeff
1,057 views
I left out a few more sentences. I really hope you can check them,too.
1) Hamlet considers the reasons which may lead us to take
1 answer
asked by
Henry2
1,054 views
Which of the following conditions may occur if a person often abruptly stops an intense cardio workout without cooling down?
A.
1 answer
asked by
Anonymous
1,032 views
Could you please check these sentences, too? I tried to rephrase the first lines again.
1) Hamlet wonders whether it is better
1 answer
asked by
Henry1
1,025 views
What is the probability of rolling a two and a five in a single toss of a die?
46 answers
asked by
Stacy
1,022 views
what do you do at the National Junior
Honor Society Induction Ceremony?
6 answers
asked by
Laruen
1,016 views
Thank You Sra!!! :)
PARP stand for parents as reading partners it was a reading contest I join 3 contests this year reflections,
1 answer
asked by
Laruen
1,012 views
11. Which sentence below contains a correctly used modifier in italics?
A. He spoke sharply to his sister. B. I feel goodly now
2 answers
asked by
Anonymous
1,003 views
A 1230 kg car drives along a city street at 31.0 miles per hour, and a baseball has a mass of 0.142 kg. What speed must the
1 answer
asked by
Daniel
1,002 views
4. What is the ideal length of time for a cool-down following an intense workout?
A. 15 to 20 minutes B. 5 to 15 minutes C. 0 to
2 answers
asked by
Anonymous
988 views
1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your
1 answer
asked by
Avery
968 views
what mass of barium sulphate can be produced when 100.0 ml of a 0.100M solution of barium chloride is mixed with 100.0 ml of a
3 answers
asked by
NONO
963 views
Let u=(2,0,k,-1) v=(-4,0,-3,2) and w= (0,1,0,0). Each answer must be justified(there is no answer where k=nothing)
a) find all
0 answers
asked by
Simon
950 views
Can someone check over my answers please.
1. Which sentence contains a helping verb? A. A small snake slithered across the yard.
4 answers
asked by
Anonymous
939 views
where can i get facts about winchester cathedral
1 answer
asked by
bob
936 views
Explain how resources are allocated in a market economy.
what should i talk bout,well i should i talk about the 3 types of
0 answers
asked by
Pallavi
890 views
Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A or B.
A)Damaged
2 answers
asked by
jake
887 views
Which probability interpretation is most reasonable to use: relative frequency, subjective, or classical?
The probability your
0 answers
asked by
Stacy
881 views
Larger amounts of methane, in the form CH4*6H20 is trapped at the bottom of the ceans in Clatharate compunds (formed when small
1 answer
asked by
Devin Boutte
864 views
Hello! I am a senior student who lives in Paris, therefore English is my seocnd language.
I need help to my examen oral.
4 answers
asked by
V
861 views
Draw a block and tackle system of pulleys with a velocity ratio of 5 is used to raise a mass of a 25kg through a vertical
3 answers
asked by
Sherif
842 views
Which of the following sentences contains an italicized word that's used as a predicate adjective?
A. Jerry looks disdainfully at
1 answer
asked by
Anonymous
841 views
. Which of the following best describes these sentences from a welcome message?
Our company is pleased to welcome you as one of
1 answer
asked by
Anonymous
837 views
VO2max is related to which one of the following choices?
A. The efficiency of the body to secrete perspiration and take in lactic
2 answers
asked by
Anonymous
827 views
A completely submerged chunk of metal sinks in water with an acceleration equal to one-fifth of g (where g = 9.8 m/s\ Find the
0 answers
asked by
barboat
800 views
An exponential sequence of positive terms and a linear sequence have the same first terms.the sum of their second terms is 3/2
2 answers
asked by
Tosin
788 views
A car travels at 30 mph can stop in 100 feet. What distance might it stop in when traveling at 70 mph?
1 answer
asked by
bz
764 views
Experts agree that the minimum time period for cardiorespiratory benefit from exercise is _______ minutes.
A. 10 B. 60 C. 30 D.
2 answers
asked by
Anonymous
752 views
Group the largest data set and find mean, median, mode, variance, standard deviation, 15-th, 45-th and 80-th percentiles of the
0 answers
asked by
metu
751 views
please simplify 16/9
1 answer
asked by
Johnson
742 views
a solution of sulphuric acid is titrated (allquot 20.0ml) with a solution of sodium hydroxide (0.1234M) 26.73ml of the base
1 answer
asked by
payton
740 views
A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a
0 answers
asked by
susan
735 views
The runway of an airfield faces west. An airplane, flying in the direction of north-east at a height of 2km and at a speed of
1 answer
asked by
Jainee
731 views
a model rocket rises with constant accerleration to a height of 3.2 m, at which point its speed is 26.0 m/s. (a) how much time
1 answer
asked by
taylor
719 views
The formula b=29a is used to estimate the minimum furnance output B in btus for a modern house with the amount of square feet of
1 answer
asked by
Avery
712 views
A 8.71 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid.
If 25.0 mL of 0.388 M barium
1 answer
asked by
Hannah
710 views
I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't
4 answers
asked by
Laruen
693 views
A 821-kg car stopped at an intersection is rear-ended by a 1810-kg truck moving with a speed of 11.5 m/s. If the car was in
0 answers
asked by
Daniel
693 views
The heaviest invertebrate is the giant squid which can have a weight of 1.6 tons spread out over its lenght of 60 feet. What is
1 answer
asked by
Maria
684 views
Joyce took out a loan for $21,900 at 12 percent on March 18, 2007, which will be due on January 9, 2008. Using ordinary
2 answers
asked by
tony
675 views
Identify the sentence that uses punctuation correctly.
a) The mysterious stranger walked, down the street, and up the block. b)
2 answers
asked by
tammie
675 views
Iron metal is produced from the ore iron(III) oxide by reacting the ore with gaseous carbon monoxide at high tempature to
1 answer
asked by
Nathan
661 views
Make a table to answer Problems 27–28. (3-5)
Two shipping companies charge different amounts to mail packages. Company A
1 answer
asked by
ducky
659 views
I urgently need you to revise these sentences, too. I made some variations, but I have to be sure that everything is OK. I don't
1 answer
asked by
Henry1
652 views
An earth satellite, the mass of which is 1000 kg, is in a circular orbit 1000 km above the surface of the earth. It is desired
1 answer
asked by
Maxium
647 views
Th e Seneca Maintenance Company currently (that is, as of year 0) pays a common stock
dividend of $1.50 per share. Dividends are
0 answers
asked by
Stacie
643 views
when solving using multiplication principle -13x=273 how do i solve plus perform check
2 answers
asked by
Johnson
641 views
I really need to make sure this is correct for tommorow please help!
The significance of specific base pairing in DNA is that A)
5 answers
asked by
jake
639 views
Please help me out...
The pressure of a container of fluorine gas with a volume of 1.5L is 678mmHg at 55.0*C. a. If the volume of
2 answers
asked by
Victor
639 views
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