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Questions Asked on December 6, 2010

415/10754
1. 1 answer
2. asked by diamond
3. 432 views
Assume the optimal coffee drinking temperature is 75°C, and further assume coffee has the same heat capacity and density as
1. 3 answers
2. asked by Steve
3. 1,050 views
A triangle with two congruent sides and two angles that both mesuare 45 isa. scalence and right b. isosceles and acute c.
1. 1 answer
2. asked by Leah
3. 457 views
Solve x-9/x^2-4 < 0 and write interval notation
1. 1 answer
2. asked by math help
3. 547 views
how can we calculate potential energy if we don't have mass but we have force or newtons?
1. 1 answer
2. asked by edith
3. 373 views
find all degrees solutions to the following equation: sin (A + 50 degrees)=1/square root 2
1. 1 answer
2. asked by maria
3. 412 views
Express the sum below using summation notation. Use 1 as the lower limits of summation and i for the index of summation.1/3+2/4+
1. 0 answers
2. asked by Roger
3. 913 views
log9 1= _______ (fill in the blank)Let x=log2 1/32 . Write the exponential form of the equation and solve the equation for x.
1. 2 answers
2. asked by math help
3. 1,158 views
the population P(t) of a new residential development t years after 2010 is P(t)=8000(1-e^-0.3t). What is the population for
1. 1 answer
2. asked by math help
3. 550 views
A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to:y(t) = 1.3 * sin( 0.6 *
1. 0 answers
2. asked by sarah
3. 459 views
an auditorium has 50 rows of seats. THe first row has 20 seats, the row has 21 seats, the third row has 22 seats, and so on.
1. 4 answers
2. asked by Brittni
3. 4,385 views
There are three distinct ways to add four positive odd numbers to obtain 10:1 + 1 + 3 + 5 = 10 1 + 1 + 1 + 7 = 10 1 + 3 + 3 + 3
1. 2 answers
2. asked by SkaterGirl
3. 579 views
What are the concentrations in mass of the following solutions:a) a 200mL aqueous solution containing 4.26g sodium solfate. b) a
1. 1 answer
2. asked by Tarkan
3. 1,018 views
chapters 6-10 what is the summery of the witch of blackbird pond??? awnswers
1. 2 answers
2. asked by person
3. 695 views
Can you please check these sentences, too? Thank you.1.Hilary can't live without her mobile phone or without her car. She needs
1. 1 answer
2. asked by Franco
3. 551 views
True or False, In simple linear regression analysis, if the error terms exhibit a positive or negative autocorrelation over
1. 0 answers
2. asked by Zack
3. 1,083 views
What is the ionization energy (in kJ/mole) of the hydrogen-like ion F8+ ?
1. 0 answers
2. asked by Marissa
3. 780 views
A disk, with a radius of 0.25 m, is to be rotated like a merry-go-round through 800 rad, starting from rest, gaining angular
1. 1 answer
2. asked by Meghan
3. 958 views
What is the significance of the significance of the passage "Conscience says to me, "What had poor Miss Watson done to you that
1. 1 answer
2. asked by tracee
3. 582 views
the avreage of annes saras and julies test score is 72 julie scored 10 and anne scored 10 points higer than sara. what were
1. 2 answers
2. asked by riley
3. 584 views
how much does gravity affects my cannon shot?
1. 1 answer
2. asked by cannon ball
3. 295 views
Can you tell me if all my verbs are correct?Not one of the ushers knows where the lounge is. Mumps is a common childhood disease
1. 1 answer
2. asked by Sam
3. 1,030 views
the number of cats that are homeless can be modeled by the equation N= 2.1t squared - 82t + 95 where N is the number of cats
1. 2 answers
2. asked by linda
3. 510 views
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the
1. 2 answers
2. asked by Bill
3. 668 views
How many mL of a 0.90% (m/v) NaCl stock solution will you need to to prepare 250 mL of a 0.225% m/v NaCl solution?
1. 2 answers
2. asked by nate
3. 793 views
A 75-kg person on skis is going down a hill sloped at 30.0°. The coefficient of kinetic friction between the skis and the snow
1. 2 answers
2. asked by Bob
3. 1,815 views
If wind blows at a speed of 30 m/s over the roof of your house, what is the pressure diference on your roof between the air
1. 3 answers
2. asked by Katie
3. 3,070 views
-16=2.5k
1. 1 answer
2. asked by riley
3. 258 views
could you mark each verb used in bold. identify the specific tense used in parentheses.I have seen many examples of different
1. 1 answer
2. asked by brittany
3. 425 views
A weightlifter performing a curl with a 320 N barbell stops the lifting motion with his forearmsin a horizontal position. (a) If
1. 1 answer
2. asked by jhkh
3. 593 views
A box of books weighing 229 N is shoved across the floor by a force of 420 N exerted downward at an angle of 35° below the
1. 2 answers
2. asked by Bill
3. 633 views
The Government and churches have demoralized, dehumanized massacred , robbed, , promised, made treaty?after treaty, and lied to
1. 1 answer
2. asked by Anonymous
3. 395 views
The NCAA requires that a basketball dropped from a height of 1.83 m (measured to the bottomof the ball) bounce to a height of
1. 0 answers
2. asked by jhkh
3. 578 views
A piece of solid carbon dioxide, with a mass of 6.8 g, is placed in a 4.0-L otherwise empty container at 21°C.
1. 1 answer
2. asked by Felicia
3. 1,161 views
We do not allow students to be successful imposters of our tutors. You have been banned from posting for this reason. Perhaps in
1. 1 answer
2. asked by Writeacher
3. 1,167 views
A weightlifter performing a curl with a 320 N barbell stops the lifting motion with his forearmsin a horizontal position. (a) If
1. 0 answers
2. asked by jim
3. 1,054 views
is it grammatically correct to write My great aunthas lived at 1430 green street
1. 1 answer
2. asked by Anonymous
3. 361 views
the much used drug cocoaine is an alkaloid. Alkaloids are noted for their bitter taste, and indication of their basic
1. 6 answers
2. asked by Symone
3. 695 views
Joey weighs 77 lb and sits on a seesaw at a distance of 30 inches from the fulcrum. Jennyweighs 67 lb and sits on the opposite
1. 1 answer
2. asked by Jessi
3. 680 views
Acetylsalicyclic Acid, HC9H704, is the active component is aspirin. Two extra strength aspirin tablets, each containing 500 mg
1. 6 answers
2. asked by Symone
3. 1,315 views
A 1.00 L volume of buffer is made with concentrations of 0.350 M NaCHO2 and .550 M HCHO2. a) What is the initial pH of the
1. 1 answer
2. asked by Symone
3. 593 views
Given .300 L of a buffer solution that is .250 M HC2H3O2 and .50 M NaC2H302, what is the new pH if .0060 mol HCL is added? what
1. 3 answers
2. asked by Symone
3. 570 views
Explain what is required to create a buffer that needs to protect the pH between 8.1 and 8.5. EXPLAIN IN DETAIL
1. 1 answer
2. asked by Symone
3. 735 views
The time it takes for an object dropped from the top of cliff A to hit the water in the lake below is twice the time it takes
1. 1 answer
2. asked by Tiffany
3. 1,541 views
<D is complentmary to <E and <D is supplementary to <G. If the measure <E is 78 find the measure of <D and <G
1. 3 answers
2. asked by Riley
3. 824 views
Prepare 250mL of 2.00M CuSO4 from CuSO4 x 5H2O
1. 1 answer
2. asked by margrav2
3. 587 views
How many moles are in 3.0L of NO gas at STP?
1. 1 answer
2. asked by Jazminn
3. 356 views
Someone please help me not sure if I even know what I am doing with any of this.write the following ratios in simplest form 5
1. 0 answers
2. asked by TANGIE
3. 579 views
If a large housefly 3 m away from you makes a noise of 43 dB, what is the noise level of 1200 flies at that distance, assuming
1. 1 answer
2. asked by HelpPlease
3. 821 views
describe the formation of a sr ion as its bons with chlorine to form SrCl2 and properties the compound will posess
1. 1 answer
2. asked by kevin
3. 407 views
A wagon with a weight of 300N is accelerated across a level surface at 0.5 m/s . What net force acts on the wagon
1. 1 answer
2. asked by BJ
3. 1,550 views
Why do I have brown eyes? can it change color?
1. 1 answer
2. asked by kayla
3. 331 views
Prepare 250mL of 2.00%(w/v) CuSO4 from CuSO4x5H2O
1. 3 answers
2. asked by margrav2
3. 458 views
The premiters of two equilateral triangles are in the ratio 2:3. If the perimeter of the smaller triangle is 16 cm what is the
1. 13 answers
2. asked by Please Help!
3. 730 views
Prepare 600mL of a 100mM solution of glucose in 0.9% NaCl.
1. 1 answer
2. asked by margrav2
3. 443 views
a buffer is prepared by mixing .208 L of 0.452 M HCl and 0.5 L of 0.4 M sodium acetate. When the Ka= 1.8 x 10^-5I figured out
1. 3 answers
2. asked by Mikey
3. 765 views
describe how radioactive isotopes decay
1. 0 answers
2. asked by kayla
3. 369 views
1. "Perdón, ¿cuánto ____ este suéter?""Veinte pesos." a. cuestan b. cuesta c. compra d. va A or B? 2. Busco una camisa verde
1. 1 answer
2. asked by mysterychicken
3. 595 views
Hi for my english class, we have to make an invention using cheap material that is useful, original, and provides a solution to
1. 2 answers
2. asked by John
3. 576 views
Prepare 600mL of a 100mM solution of glucose in 0.9% NaCl. Also need to prepare the 0.9% NaCl solution.
1. 6 answers
2. asked by margrav2
3. 706 views
To conduct a scientific experiment, students need to mix 90 mL of a 3% acid solution. They have a 1% and a 10% soulution
1. 1 answer
2. asked by James
3. 1,463 views
A student wants to determine of an irregularly shaped peice of sodium metal . The student is warned not to use water
1. 1 answer
2. asked by nina
3. 473 views
The number is between 3 and 10, you can make exactly 3 arrays with this number and it's not 9. What is it?
1. 0 answers
2. asked by Craig
3. 342 views
Which of the following shapes could not represent a top, front, or side view of a pentagonal prism?a. A pentagon b. A triangle
1. 0 answers
2. asked by Please Help!
3. 500 views
How much 2.5mM solution of NaCl can be made from 30g of this pure salt?
1. 1 answer
2. asked by margrav2
3. 844 views
a presentation conclusion has one purpose: to summarize your key points.True or false
1. 1 answer
2. asked by Marisela Cordova
3. 398 views
A 650 N boy and a 490 N girl sit on a 150 N porch swing that is 1.70 m long. If the swing is supported by a chain at each end,
1. 6 answers
2. asked by Jennifer
3. 4,524 views
The melting point of aspirin : 128-137Celsius degree.The melting point of the crude aspirin was measured to be 128 Celsius
1. 1 answer
2. asked by Cynthia
3. 2,290 views
Tracy wants to purchase custom-made bumper stickers to advertise her business. Two websites offer different deals:Website A: Pay
1. 1 answer
2. asked by math help
3. 565 views
Solve and check all proposed solutions.Show work for solving and for checking. x+1/x-1 - 2/x^2-x=0
1. 1 answer
2. asked by math help
3. 508 views
A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to:y(t) = 1.3 * sin( 0.6 *
1. 0 answers
2. asked by sarah
3. 447 views
if 30.0 grams of molten iron (III) oxide reacts with 275 grams of aluminum, what is the mass of the iron produced.
1. 1 answer
2. asked by Kalen
3. 594 views
Given the balanced equation, how many milliliters of oxygen gas at STP are released from the decomposition of 5.05 g of calcium
1. 2 answers
2. asked by Kalen
3. 448 views
Consider the following chemical equation:HgO(s) → Hg(l) + O2(g) How many milliliters of oxygen gas at STP are released from
1. 1 answer
2. asked by Kalen
3. 639 views
Consider the following chemical equation.MnCl2(s) + H2SO4(aq) → MnSO4(aq) + 2 HCl(g) How many grams of manganese(II) chloride
1. 2 answers
2. asked by Kalen
3. 1,383 views
Consider the following chemical equation.H2(g) + I2(g) → HI(g) Assuming all gases are at the same temperature and pressure,
1. 0 answers
2. asked by Kalen
3. 1,131 views
Consider the following chemical equation.Cl2(g) + O2(g) → Cl2O3(g) Assuming all gases are at the same temperature and
1. 1 answer
2. asked by Kalen
3. 788 views
Consider the following chemical equation.SO2(g) + O2(g) → SO3(g) What volume of sulfur dioxide gas reacts with 37.5 L of O2?
1. 1 answer
2. asked by Kalen
3. 584 views
15.34 In a four-digit lottery, each of the four digits is supposed to have the same probability of occurrence.The table shows
1. 1 answer
2. asked by Anonymous
3. 1,027 views
Which statement is not true?Two or angles that are supplementary have a sum of 180 or Two angles that are complementary have a
1. 5 answers
2. asked by Please Help!
3. 1,078 views
Colonel Harry a. Froboess of Switzerland jumped upward and outward from a windonw of a blimp and landed in a body of water on
1. 2 answers
2. asked by tina
3. 567 views
Four circles with centers A,B,C,and D are mutually tangent. The areas of circles A,B,C, and D are 25pi, 100pi, 16pi, and 225pi
1. 3 answers
2. asked by Tyler
3. 887 views
A rectangular skating rink measuring 30m by 20m is doubled in area by adding a strip at one end of the rink and a strip fo the
1. 1 answer
2. asked by tina
3. 2,400 views
In right triangle ABC, angle A=3, angle B=60, and angle C=90. Find AB with AC is 12 ?
1. 1 answer
2. asked by Eliza
3. 495 views
A triangle with two congruent sides and two angles that both measure 45 isa.scalene and right b.isosceles and acute c.isosceles
1. 3 answers
2. asked by Please Help!
3. 782 views
1. How did U.S. manufacturers become vulnerable to offshore outsourcing? Give examples to support your answers.
1. 1 answer
2. asked by Lady
3. 539 views
Find the value of x. Give answer in simplest radical from.(It's a triangle split into 3 parts)
1. 1 answer
2. asked by camber
3. 605 views
How are landform, like dells, formed?
1. 1 answer
2. asked by something
3. 264 views
jordan has 2 quarters, 1 nickel, and 3 dimes. if he took 1 out and then a second one without replacing the first coin, what is
1. 3 answers
2. asked by audrey
3. 678 views
Describe the spectrum of the light from a fluorescent lamp and from an incandescent (tungsten filament) lamp, and try to explain
1. 1 answer
2. asked by Jon
3. 1,411 views
If the heat of fusion for ethyl alcohol is 26 cal/g, how many grams must freeze to release 780 cal?
1. 2 answers
2. asked by jacee
3. 614 views
Suppose two dice (one red, one green) are rolled. Consider the following events.A: the red die shows 5. B: the numbers add to 4.
1. 1 answer
2. asked by Liz
3. 1,758 views
a 40 kilogram barrel is rolled up a ramp 10 meters long to a height of 5 meters how much work was done?
1. 1 answer
2. asked by Anonymous
3. 470 views
Find the integral by substitution∫ [(16 x3)/(x4 + 5)] dx ∫[ 4 x/(√{x2 + 3})] dx ∫ 8 x2 e4 x3 +7 dx PLEASE help with all
1. 1 answer
2. asked by Erika
3. 488 views
∫4 [( ( ln(z) )^ 2)/z] dz∫[( 7 e^(7 √x))/ √x] dx ∫[(2 x + 5)/( x^2 + 5 x + 2)] dx
1. 2 answers
2. asked by Jane
3. 353 views
4. <11{1[2(06)06]}> Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign
1. 4 answers
2. asked by Susan
3. 1,881 views
I just finished an organic chemistry lab experiment on separating and analyzing an unknown acid/neutral compound mixture using
1. 1 answer
2. asked by Kate
3. 1,139 views
If the voltage V, in an electric circuit is held constant,the current,I,is inversely proportional to the resistance,R. If the
1. 1 answer
2. asked by jitka
3. 1,541 views
Someone please help me not sure if I even know what I am doing with any of this.write the following ratios in simplest form 5
1. 2 answers
2. asked by TANGIE
3. 1,037 views
20) The process of naming broad product-markets and then segmenting them in order to select target markets and develop suitable
1. 0 answers
2. asked by sherree
3. 477 views

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