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2010
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Questions Asked on February 21, 2010

You throw a 20-N rock vertically into the air from ground level. You observe that when it is 15.0 m above the ground, it is
1. 3 answers
2. asked by anton
3. 29,349 views
which dam must be stronger, one that hold back 100000 m^3 of water 10 meters deep or one that holds back 1000 m^3 of water 20
1. 6 answers
2. asked by Hale
3. 1,817 views
Need help with these:33. In addition to causing disease, protests also affect humans through a. their role in the nitrogen cycle
1. 1 answer
2. asked by mysterychicken
3. 981 views
Evaluate and tabulate the values of y for the value(s) given.y = 2x3, for x = -3, 0, 1, 4 Can someone explain how to set this
1. 2 answers
2. asked by frank
3. 471 views
do a quad genitic cross :-(
1. 1 answer
2. asked by aj
3. 287 views
Can you please tell me if the following statements are correct. In particular, if the ones in parentheses are also possible?
1. 1 answer
2. asked by Franco
3. 470 views
I know how to find a and b on this problem but how do I find c? Really would appreciate the help, thanks!The formula of a
1. 1 answer
2. asked by Jenny
3. 765 views
Could someone help me draw these vectors? These things confuse me.A force of 42 newtons acting on an object at an angle of 53
1. 0 answers
2. asked by Jim
3. 1,242 views
Boiling Lake is a small lake on the island of Dominica. The water temperature of the lake is between 180*F and 197*F. Write a
1. 3 answers
2. asked by hope
3. 1,283 views
I forgot to include the following statements. Thank you very much!!1)He fears that when Caesar will become (becomes) king he
1. 1 answer
2. asked by Franco
3. 442 views
what effects might alcohol and caffeine have on hydration levels in the body?
1. 1 answer
2. asked by nicholle
3. 495 views
A sample of .234g of carbon is placed in a closed stainless steel bomb with .502g of of oxygen gas. The mixture is ignited
1. 1 answer
2. asked by Ben
3. 1,877 views
a galvanic cell: A copper electrode is placed in a Cu(NO3)2 electrolyte. An iron electrode is placed in a Fe(NO3)3 electrolyte.a
1. 1 answer
2. asked by LALA
3. 1,924 views
Can you help me rephrase this sentence?Prospero was set adrift with her daughter Miranda on a boat (set adrift???) on order of
1. 1 answer
2. asked by Franco
3. 405 views
a slide loving pig slides down a certain 16° slide in twice the time it would take to slide down a frictionless 16° slide.
1. 0 answers
2. asked by Anonymous
3. 617 views
A baseball player with mass m = 80 kg, sliding into second base, is ed by a frictional force of magnitude 450 N. What is the
1. 2 answers
2. asked by Anonymous
3. 735 views
How would i find the average velocity for certain points.?finding the average velocity between 0.2 hours and 0.3 hours object is
1. 1 answer
2. asked by jake
3. 377 views
how to find the average velocity and speed for an entire postion time graph
1. 1 answer
2. asked by jake
3. 473 views
Determine the molarity of in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of
1. 0 answers
2. asked by sab
3. 519 views
Is this right I have to set it to y=?3x-y=9: y=-9+3x How would you set these two problems to y=? 3y=x+6 4x+3y=12
1. 1 answer
2. asked by Ryan
3. 348 views
Quien es el chico?
1. 5 answers
2. asked by chrissy
3. 1,453 views
Where are the enzymes maltase, sucrase,and lactase produced?Is it the small intestine?
1. 1 answer
2. asked by sammi
3. 844 views
Which of the following materials would not be important to a protozoan?a) enzymes b) oxygen c) water d) blood e) carbohydrates
1. 2 answers
2. asked by sammi
3. 656 views
81y4 - 16i know its A2 – b2 = (a-b)(a+b) but i cant figure it out
1. 2 answers
2. asked by lola
3. 348 views
I am stuck at the last line of this problem. The original formula isR=Rf+B(Rm-Rf) I have moved it and placed the known
1. 1 answer
2. asked by candis
3. 597 views
Who is guru?
1. 1 answer
2. asked by Ruth
3. 345 views
Oh ok because Whitacher said that Guru told me something but he did not. Who is Jiskha?
1. 3 answers
2. asked by Ruth
3. 372 views
The Ramsey's assets are to be divided among their three children Agnessa, Rebecka, and Cody in the ratio of 8 : 6 : 3. For full
1. 1 answer
2. asked by shara
3. 432 views
please use the following terms in the same sentence- invertebrate, vertebrate and placenta. Thank you
1. 1 answer
2. asked by spencer
3. 1,255 views
I just want to see what you all think. I had to write a paper on Malathion and the West Nile Virus. I also had to go by the
1. 1 answer
2. asked by stephanie
3. 714 views
A hollow glass block floats in a container of ethanol. Initially, everything is at a temperature of 20 degrees C, and 6% of the
1. 1 answer
2. asked by Reed
3. 476 views
Would you rather receive simple interest at the rate of 10% per year or 1% per month? Explain.
1. 1 answer
2. asked by lisa
3. 335 views
Is this correct we have to set this problem equal to y?2x-y=4: y=-4+2x
1. 1 answer
2. asked by Ryan
3. 375 views
If the molecular mass for a chemical is 45.99 g/mol and the enthalpy of formation is 34 kJ/mol, the heat change will be
1. 1 answer
2. asked by Mary
3. 628 views
Give the equation of the line that passes through point (5, 1) and is parallel to the line y = 3x – 1.I am so lost. I have no
1. 1 answer
2. asked by sabrina
3. 536 views
Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes
1. 1 answer
2. asked by Anonymous
3. 1,467 views
.704=log(100/x)I tried this 10^.704=10^(100/x) But i not sure what to do now?
1. 0 answers
2. asked by Neo
3. 424 views
There are two horizontal forces on the 2.0 kg box in the overhead view of Fig. 5-39 but only one (of magnitude F1 = 20 N) is
1. 3 answers
2. asked by beav
3. 1,612 views
Axum's conversion to Christianitya. beneficial b. a drawback c. first a drawback then beneficial d. first beneficial then a
1. 5 answers
2. asked by joel
3. 813 views
State the negation of the following statement:It is cloudy.
1. 3 answers
2. asked by miranda
3. 1,210 views
When 0.767 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 125C is observed.Assume the
1. 2 answers
2. asked by Kelly
3. 535 views
State the negation of the following statement:It is not raining. please help explain
1. 1 answer
2. asked by miranda
3. 712 views
What mass of cholrine must be added to 100.0 L of water to achieve this level? Most community water supplies have 0.5 ppm of
1. 1 answer
2. asked by Anonymous
3. 740 views
How many neon atoms are there in five moles?
1. 1 answer
2. asked by Jack
3. 827 views
This is a long one, but it is a no solve.Youʼre cooking four pancakes, one at a time, using a stove-top timer to judge the time
1. 0 answers
2. asked by Kristy
3. 598 views
Carbonic acid is a diprotic acid that ionizes in two stages.Write the two equations for the successive ionizations of carbonic
1. 1 answer
2. asked by Josh
3. 829 views
i need to draw a picture of nitrogen as a person, with the amount of protons, neutrons, electrons and the atomic number, all of
1. 1 answer
2. asked by lynn
3. 546 views
Thank you very much for your last suggestions! Can you check these last statements of the day, please?Thank you 1) The mirror is
1. 1 answer
2. asked by Franco
3. 574 views
How would I o about solving this:When a load of 1000000 Newtons is placed on a battleship, the ship sinks only 2.5 cm in the
1. 0 answers
2. asked by MAL
3. 470 views
What kind of compound would you add to the water-insoluble amine aniline to make it more soluble in water?
1. 1 answer
2. asked by Holly
3. 646 views
What is a Jovian Year and Jovian Day?
1. 4 answers
2. asked by John
3. 403 views
A grocer wants to m,ix three kinds of hard candy to sell for $2.40 per pound. He need 50 pounds of candy altogether. He mixes
1. 0 answers
2. asked by Alyssa.
3. 665 views
What part of food science does the career of sous chef fall under?Options: preparation, utilization, evaluation,production I was
1. 1 answer
2. asked by Lena
3. 698 views
The measures of three of the angles of a quadrilateral are 40, 70, and 130. What is the measure of the fourth angle?
1. 1 answer
2. asked by Harry
3. 793 views
I need to find a current day person who is similar to Al Capone. I need to write a paragraph on how my 20's persons
1. 1 answer
2. asked by Jill
3. 432 views
Light of wavelength 680 nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 47 mm
1. 0 answers
2. asked by Anonymous
3. 914 views
Which expression has the same value as (7a-2)+(a-4)A)8a-6 B)6a+8 C)7a-2 D)8a+8
1. 3 answers
2. asked by Alisha
3. 350 views
recently, cellular telephones have become very popular. At the same time new technology has made them less expensive to produce.
1. 0 answers
2. asked by ronie
3. 535 views
i know some things about ice hockey i know that it is canada's national game and is a significant addition to world sport. It is
1. 8 answers
2. asked by Anonymous
3. 1,156 views
Hello, would anyone be willing to check my answers to the following questions?1. Identify the poetic element used in the
1. 3 answers
2. asked by Tamir
3. 2,319 views
60% of the MacRaes five children are boys. How many boys are there.I need help on this, I am stuck. Thanks Jill
1. 1 answer
2. asked by JILL D.
3. 332 views
How many ways can you arrange 8 different crates on a shelf if they are placed from left to right?
1. 0 answers
2. asked by Shadow
3. 468 views
Find the time it takes for a water balloon dropped from a second story window and accelerating at 9.8 m/s² downward to hit a
1. 0 answers
2. asked by Justine
3. 924 views
what are china's major imports and exports?
1. 1 answer
2. asked by anna
3. 474 views
If 1/2 of the students are girls and 1/3 of the girls have long hair, what percent of the girls have long hair
1. 1 answer
2. asked by tracy
3. 707 views
In the movie Mulan, why was it a crime for a woman to enlist in a army?
1. 1 answer
2. asked by Keyah reed
3. 1,119 views
A solenoid is wound with a single layer of insulated copper wire of diameter 2.800 mm and has a diameter 5.000 cm and is 1.500 m
1. 4 answers
2. asked by Andy
3. 1,063 views
A store sells a 1-liter container of juice for 75¢ and a 2-liter container for $1.40. Assume that the cost varies linearly with
1. 1 answer
2. asked by sanda
3. 557 views
I forgot to include the following two statements. Thank you very much for your help.1)He believes a good slogan needs to be
1. 2 answers
2. asked by Franco
3. 599 views
use a(t) = -32 ft per second squared as the acceleration due to gravity.An object is thrown vertically downward from the top of
1. 1 answer
2. asked by sammi
3. 3,304 views
Find the net force on a,b and c. Given ma=363kg mb=517kg and mc=154kg.a<--0.5m-->b<--0.25-->c This was a question given to our
1. 1 answer
2. asked by Krissy
3. 548 views
how would you find the length of a semicircle using pie 22/7 when the radius shown is 14 ?
1. 1 answer
2. asked by gwendolyn brooks
3. 408 views
Do you believe that the move from selling music on a physical product to selling it digitally represents a change that will
1. 1 answer
2. asked by Rochelle
3. 461 views
i'm a poet... i don't know math!!!Write 3 X 10^7 km^3 , the total volume of the continental Antarctica ice sheet, in standard
1. 2 answers
2. asked by percy bysshe shelley
3. 554 views
Find the molar mass of Chromium (III) Hydrogen Phosphate. Also, what is the chemical formula for this molecule?
1. 1 answer
2. asked by Jack
3. 712 views
While pulling a stalled car, a tow truck's cable makes an angle of 50 degrees above the road. If the tension on the tow truck's
1. 1 answer
2. asked by Christa
3. 1,202 views
can someone sow me step by step how to evaluate the integral of the square root of x^3 using a u substitution? I don't
1. 1 answer
2. asked by kelli
3. 419 views
Thank you very much! I would like you to check these few more statements, too.1) Summarise briefly (or briefly summarise) the
1. 2 answers
2. asked by Franco
3. 603 views
5.00mL of .00500 M ferric nitrate is added to 5.00 Ml of nitric acid and 10.0 Ml of .00250 M thiocyanate solution. Calculate the
1. 1 answer
2. asked by Koo
3. 528 views
find the derevative (hint try to use limits)(x^2010 - 1 )\(x -1 )as x approaches1
1. 2 answers
2. asked by Anonymous 2
3. 367 views
When 0.678 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 11.0C is observed.Assume the
1. 1 answer
2. asked by Libit
3. 452 views
what is the connection between the amount of albedo and energy absorbed?
1. 0 answers
2. asked by Lenny
3. 419 views
Without finding the exact answer, select which of the following numbers is the best estimate of each sum or difference and
1. 1 answer
2. asked by david
3. 576 views
a 123 kg man space finds himself 60 m away from his space ship and wants to get back. he holds a 2kg space gun which fires 5.00g
1. 0 answers
2. asked by Gweedo8
3. 485 views
Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes
1. 1 answer
2. asked by nate
3. 1,022 views
A student put 12.4 grams of potassium sulfate in 29 ml and stirred for 3 hrs. he saw that not all of the solid dissolved, so he
1. 1 answer
2. asked by Anonymous
3. 512 views
The mass of twenty-three dozen pencils is 1.496 kg. What is the mass of 1 pencil?
1. 1 answer
2. asked by Jack
3. 533 views
When 0.678 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 11.0C is observed.Assume the
1. 6 answers
2. asked by Libit
3. 600 views
psy 210 CheckPoint: Research MethodsResearch Method Description Application Scientific method Case study method Survey method
1. 2 answers
2. asked by Anonymous
3. 838 views
.704=log(100/x)I tried this 10^.704=10^(100/x) But i not sure what to do now?
1. 1 answer
2. asked by Neo
3. 366 views
Consider an infinitely long solid cylinder with radius R_0 and volume charge density rho=rho_0*r(r≤R_0) where rho_0 is a
1. 0 answers
2. asked by Taylor
3. 626 views
how would you simplify (ab)to the 5th power ?
1. 2 answers
2. asked by Joliann
3. 479 views
immigration and emigration patterns of china
1. 3 answers
2. asked by anna
3. 457 views
How do you know the p-value on megastat. On minitab It looks like it gets a different p-value than megastat. I got a number from
1. 1 answer
2. asked by David
3. 344 views
What is the density of PCl5 gas at STP?
1. 1 answer
2. asked by Anonymous
3. 1,301 views
A solenoid is wound with a single layer of insulated copper wire of diameter 2.800 mm and has a diameter 5.000 cm and is 1.500 m
1. 0 answers
2. asked by Andy
3. 572 views
how would u factor ab (to the 2nd power) - b
1. 1 answer
2. asked by anne
3. 309 views
what if compound has those metalloids(metal near stair case) with gas element, is it going to be semiconductor. Can you think of
1. 2 answers
2. asked by eng
3. 419 views
In right triangle ABC, altitude CD is drawn to hypotenuse AB. If AD equals 4 and AC exceeds DB by 1, find DB.It is from a
1. 2 answers
2. asked by Emily
3. 2,578 views
ok im struggling in math becuase my math teacher isnt really explianing things really good my mom tried 2 swich me to a
1. 3 answers
2. asked by joclyn
3. 656 views

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