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Questions Asked on October 27, 2013

Please help !!!A student wanted to determine the density of an object made of an unknown substance. She found the mass of the
1. 2 answers
2. asked by Cherie
3. 1,410 views
first side triangle 2m longer than second third side twice length of second perimeter 34m length of each side?
1. 2 answers
2. asked by Anonymous
3. 413 views
The yield curve is typically _____________, meaning that the annualized interest is higher for debt securities with longer terms
1. 1 answer
2. asked by Sharon
3. 590 views
two identical brass balls mounted on wooden posts initially have different amounts of charge, one plus 3 uC and the other plus
1. 1 answer
2. asked by Alison
3. 1,303 views
the question is Alyssa ate 3 more than 1/2 as many candy corns as Hayley. If Alyssa ate 17 candy corn, find the number of candy
1. 2 answers
2. asked by B8
3. 513 views
In the formation of smog, nitrogen and oxygen gas react to form nitrogen dioxide:N2(g)+2O2(g)→2NO2(g)How many grams of NO2
1. 4 answers
2. asked by ellie
3. 2,679 views
A 1.1 x 10-3-kg house spider is hanging vertically by a thread that has a Young's modulus of 4.5 x 109 N/m2 and a radius of 16 x
1. 0 answers
2. asked by Cheech
3. 796 views
Please respond to the following questions either by writing the design name or by describing the design using standard notation
1. 0 answers
2. asked by jessica
3. 591 views
A 1.1 x 10-3-kg house spider is hanging vertically by a thread that has a Young's modulus of 4.5 x 109 N/m2 and a radius of 16 x
1. 0 answers
2. asked by Cheech
3. 701 views
The whole class averaged 12 on their assignments with astandard deviation of 3. If Jade averaged 6, then her z- score was
1. 2 answers
2. asked by Bec
3. 1,024 views
The drawing shows two crates that are connected by a steel (Young's modulus 2.0 x 1011 N/m2) wire that passes over a pulley. The
1. 0 answers
2. asked by Taylor
3. 1,261 views
Explain what science is. Give an example of a type of scientist and what they study .
1. 1 answer
2. asked by victoria
3. 2,653 views
How many liters of o2(g) measured at 22 degree and 763 Torr are consumed in the complete combustion of 2.55 L of dimethyl ether
1. 2 answers
2. asked by Grace Peterson
3. 969 views
How many liters of Co2(g) can be produced in the reaction of 5.24 L and 2.65 L O2 (g) if all these gases are measure at the
1. 7 answers
2. asked by Grace Peterson
3. 479 views
Use of cohesive reflects a speaker's ability to:A. Talk about things that are obvious B. String ideas together to show specific
1. 2 answers
2. asked by Cabrina
3. 474 views
What are some great sites to help you with chemistry problems?
1. 2 answers
2. asked by Grace Peterson
3. 374 views
A child's top is held in place, upright on a frictionless surface. The axle has a radius of r= 2.21 mm. Two strings are wrapped
1. 0 answers
2. asked by wafaa
3. 581 views
Explain the difference between a scientific theory an d scientific law.
1. 1 answer
2. asked by victoria
3. 940 views
What volume of nitrogen gas can be produced from he decomposition of 37.6 L of ammonia with both gases measured at 725 degree
1. 3 answers
2. asked by Grace Peterson
3. 1,018 views
An aqueous solution of copper (II) sulfate is a thermodynamic system under study. What typer of system is this if the solution
1. 1 answer
2. asked by Grace Peterson
3. 422 views
What is the change in internal energy of a system that does 7.02 kj of work and absorbs 888 j of heat?
1. 1 answer
2. asked by Grace Peterson
3. 1,136 views
Given the reaction 2 Na2 02 (s) + 2 H2o(i) —- 4 NaOH(s) + 02(g) triangle H= -109 KJdetermine the following reactions. 16
1. 6 answers
2. asked by Grace Peterson
3. 633 views
Two lasers are shining on a double slit, with slit separation d. Laser 1 has a wavelength of d/20, whereas laser 2 has a
1. 1 answer
2. asked by louis
3. 1,903 views
Based on the calculations above, which of the following equations is the one represented by this experiment? Justify your answer
1. 1 answer
2. asked by john
3. 466 views
How has francis ford coppola used film techinques to convey the italian mafia that existed in the 1900's?hi there i already
1. 1 answer
2. asked by Zee
3. 445 views
If the average new house cost $210,000 today, how much will it cost in 10 years if the price increased by 5% each year
1. 1 answer
2. asked by shelly
3. 462 views
A dead battery is charged by connecting it to the live battery of another car with jumper cables. Assume that V = 9 V and R =
1. 1 answer
2. asked by Sabrina
3. 761 views
Imagine a frictionless perfectly straight tunnel which runs from Boston (USA) to Delhi (India). We release (at zero speed) an
1. 0 answers
2. asked by anonymous
3. 410 views
A solid sample is 81.0 g sodium per 1,000,000. g substance, and contains 1.92 × 10 ^21 sodium atoms, calculate the mass (g) of
1. 1 answer
2. asked by Ale
3. 400 views
convert methanal to ethanal in two step
1. 0 answers
2. asked by krishna mishra
3. 421 views
A movie company wants to make movies featuring various monsters. They want each movie to have at least 2 different monsters and
1. 1 answer
2. asked by karan
3. 508 views
tinyurl[dot]com/osguqrdReplace [dot] with a . Please provide an answer to the question in the link above.
1. 0 answers
2. asked by Roger Saloan
3. 501 views
a+boundary+wall+of+your+house+is+divided+in+to+10+vertical+strips+of+equal+width+you+painted+4+strips+of+wall+with+pink+3+with+y
1. 1 answer
2. asked by rohit
3. 522 views
If the quadratic equation(8+i)x^2+(a-i)x+38-2i=0 has real roots, what is the value of the positive real constant a?
1. 1 answer
2. asked by CHRIS
3. 411 views
In a poll of voters in a certain city, 32% said that they backed a bill which would limit growth and development in their city.
1. 1 answer
2. asked by Nick
3. 430 views
We have calculated a 95% confidence interval for a proportion and would prefer the confidence interval to be more precise, that
1. 1 answer
2. asked by Nick
3. 661 views
For magnesium, is possible to have a relative atomic mass less than 24 or more than 26? (Yes/No) Explain. I don't think it is
1. 1 answer
2. asked by Linda
3. 453 views
systemof equations for x+2y=7, 6x-6y=15
1. 1 answer
2. asked by Anonymous
3. 320 views
The cost of 5 similar digital cameras and 3 similar video cameras is $3,213. each video camera costs 4 times as much as each
1. 1 answer
2. asked by Don't know
3. 611 views
According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated
1. 7 answers
2. asked by Joyce
3. 3,407 views
the cost in 15 years is 214,000 to provide a college education. Can I have enough to take $75,000 today and invest it for the
1. 3 answers
2. asked by Carolyn
3. 514 views
The "Era of good feelings", was noted for the:exceptioanlly strong leadership by monroe as head of his party. In the 1803 case
1. 1 answer
2. asked by us history
3. 411 views
If the end mark is correct,write correct.if it is not correct,write the sentence with the correct end mark.1/what should I draw!
1. 2 answers
2. asked by Nawaf
3. 502 views
prove the statement Angle ABD is a right angle and Angle CBE is a Right Angle and prove Angle ABC is Congruent to Angle DBE
1. 2 answers
2. asked by Andy
3. 2,286 views
Find the least common denominator for the following fractions:3/4, 19/20, 1/6, 3/5, 8/15
1. 3 answers
2. asked by Rita
3. 1,163 views
Compare the stages of Maslow's hierarchy of needs.A: The first stage, the physical stage, which consists of food, water, sleep,
1. 3 answers
2. asked by Anonymous
3. 1,117 views
you have $24. each day you get from your parents $3, but you spend #5.a. for how many day ( before you run out of money)you can
1. 1 answer
2. asked by krahman4
3. 314 views
How to find the y-intercept of this function: (7-3x)/(x-2)
1. 1 answer
2. asked by Kristen
3. 322 views
emily's age divided by 3 in algebraic expression?My answer is e / 3 am i right or wrong? the product of r and 8 in algebraic
1. 4 answers
2. asked by Miki
3. 851 views
Find the sum:-4/7 + (-9/14) = and: -4/5 + 11/12 =
1. 1 answer
2. asked by Kam
3. 340 views
How would you write a method on a hypotheses relating to meaning in life and both physical and psychological well-being scores.
1. 0 answers
2. asked by Eid2013
3. 375 views
Determine whether a solid forms when solutions containing the following salts are mixed. If so, write the ionic equation and the
1. 1 answer
2. asked by Kaitlyn
3. 1,190 views
At the top of mount everest the density of air is 1.2kilogram/meter cube and its pressure and temperature are 200kpa & 150k.what
1. 0 answers
2. asked by mintesnot
3. 452 views
A stone is dropped from rest at the top of amine shaft. It takes 58 s for a stone to fall to the bottom of a mine shaft. How
1. 1 answer
2. asked by n
3. 1,876 views
A spacecraft of mass m1 = 4673 kg with a speed v1i=5.0 ×103 m/s approaches Saturn which is moving in the opposite direction
1. 1 answer
2. asked by Anonymous
3. 688 views
Hey,Can please somebody read and correct this text? I thning that this time it is very bad... But I can't say exactly why...
1. 1 answer
2. asked by Minnie
3. 775 views
a student titrated a 1.0115 g sample of potassium hydrogen phthalate (hkc8h4o4 204.2285g/mol with sodium hydroxide. the initial
1. 1 answer
2. asked by soniyah
3. 853 views
Two quantities A and B are directly proportional to each other. The value of A becomes 1/3 as much. What will happen to the
1. 2 answers
2. asked by Kiki
3. 525 views
How ionising radiation affect the cell, DNA and can lead to tumours /leukaemia?nothing too complex please note form will be
1. 0 answers
2. asked by Unknown
3. 382 views
The plane came down later than expected.15. In this sentence, what part of speech is the word down? A. Preposition B. Adjective
1. 4 answers
2. asked by Cassie
3. 1,213 views
Consider the line defined by the parametric equations x=3d-10, y=2d+1.The y-intercept of this line can be expressed as a/b. Find
1. 1 answer
2. asked by CHRIS
3. 617 views
How ionising radiation affect the cell, DNA and can lead to tumours /leukaemia?nothing too complex please note form will be
1. 1 answer
2. asked by Unknown
3. 333 views
How do I convert this decimal into a fraction?3.083 (The last 3 is repeating by itself)
1. 6 answers
2. asked by Fred
3. 2,693 views
do the positive ions or the negative ions cause the change in flame color?
1. 4 answers
2. asked by Anonymous
3. 1,448 views
Can someone please check my answers? I'll type the directions above the questions. *Cross out any prepositional phrases.
1. 3 answers
2. asked by Jane
3. 657 views
Describe how you can learn to express emotions in a positive way.A: Practicing will help you positively express your emotions
1. 2 answers
2. asked by Anonymous
3. 577 views
Please ,,look the page 2 the answers
1. 4 answers
2. asked by Joji
3. 356 views
The Japanese Nozomi averages 162 miles per hour. About how many miles would it take the Nozomi to travel 119 miles?Thanks, (If
1. 2 answers
2. asked by frank
3. 592 views
A 0.52kg mass at the end of a spring vibrates 4.0 times per second with an amplitude of 0.15m .a. Determine the velocity when it
1. 0 answers
2. asked by Juanita
3. 432 views
Solve this equation and check answerFraction→n/56=8
1. 2 answers
2. asked by Nina
3. 341 views
A uniform sign is supported at P as shown in the figure. If the sign is a square 0.8 m on its side and its mass is 10 kg, what
1. 1 answer
2. asked by A.B.
3. 1,535 views
Tony buys 8 identical packs of comic books for his collection. What must you know befor you can multiply to find the total
1. 4 answers
2. asked by Nawaf
3. 1,198 views
You need to put carpet in a rectangular room that measures 12 feet by 17 feet at a cost of $27.50 per square yard. Assuming that
1. 4 answers
2. asked by Kelly
3. 7,120 views
1). Summarize the limitations of defense mechanisms.A: In the short-term, defense mechanisms may cause an individual's mood to
1. 5 answers
2. asked by Anonymous
3. 3,883 views
001 (part 1 of 2) 10.0 pointsA 1.37-gram sample of compound X (of MW 88.0 g/mol) was burned in a bomb calorime- ter containing
1. 1 answer
2. asked by Alyssa
3. 1,396 views
6x^3+2x^2+3x+1
1. 1 answer
2. asked by JaimeC.
3. 233 views
A large charge distribution Q exists at the center of a cube. It is surrounded by six smaller charges, q , each facing a
1. 2 answers
2. asked by Ramana
3. 634 views
what is happening to sound waves as they enter different mediums?I believe that they decrease in sound and length.
1. 2 answers
2. asked by Nikki
3. 390 views
Find the measure of angle DBC.D=X^2+1 A=2x+3x-2 C=4x+3 This is the only question I do not know for my homework ,I just don't
1. 1 answer
2. asked by Amber
3. 1,139 views
How did technology impact Imperial Rome?
1. 1 answer
2. asked by Samantha
3. 455 views
Transform the expression from the left to the right.Tan A+ CotA to cscAsecA
1. 1 answer
2. asked by Anonymous
3. 346 views
When you are swimming underwater, what does it sound like when someone talks from the surface? Why does this happen?My answer-
1. 1 answer
2. asked by Anonymous
3. 984 views
A girl on a bicycle drags a wagon full of newspapers at .80 m/s for 30 min. using a force of 40 N. How much work is done?
1. 2 answers
2. asked by landon
3. 1,216 views
My equationY=4Y+30 I did; Y-4Y=-3Y My equation -3Y=30--->30/-3 I get -10 yet the checking does not work. Does the negative go on
1. 3 answers
2. asked by Nicole
3. 308 views
An instrument-carrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between
1. 0 answers
2. asked by Anonymous
3. 507 views
A rubber ball, with a mass of 40.0 grams is dropped from rest from a height of 1.60 m above the floor. It hits the floor, and
1. 1 answer
2. asked by Yasmina
3. 687 views
a .150kg object tied to a string is whirled in a horizontal circle ata constant angular speed of 3.50 revolutions per second.
1. 0 answers
2. asked by Tyler
3. 444 views
for the below questions the food samples were onion juice, cornflakes, egg, milk, salad dressing and instant oatmeal.1) Why are
1. 2 answers
2. asked by Sky
3. 785 views
I'm not really sure about my adverbs in these sentences. Can someone please check them? *Cross out any prepositional phrases.
1. 4 answers
2. asked by Jane
3. 1,194 views
Why did the Greek went to war with the Trojans?SHORT ANSWERS PLS :)
1. 1 answer
2. asked by Anonymous
3. 393 views
How did immigration change after 1890?
1. 1 answer
2. asked by Sarah
3. 531 views
Ms Sue, please check my answers?1. Overall drug use among adolescents has decreased in the U.S since 1976? False 2. Tobacco is
1. 1 answer
2. asked by Lisa
3. 523 views
A rocket moves upward, starting from rest with an acceleration of 28.4 m/s2 for 4.79 s. It runs out of fuel at the end of the
1. 1 answer
2. asked by Josselyne
3. 477 views
A rocket moves upward, starting from rest with an acceleration of 28.4 m/s2 for 4.79 s. It runs out of fuel at the end of the
1. 1 answer
2. asked by Josselyne
3. 582 views
Oxygen gas can be generated by heating KClO3 in the presence of some MnO2.2KClO3 → 2KCl + 3O2 If all the KClO3 in a mixture
1. 1 answer
2. asked by Billy
3. 704 views
5/3x-7≤2Solve. Note in interval notation So I got 19/6≤x the other is suppose to be x less than 7/3 but I can't get that How
1. 1 answer
2. asked by Terri
3. 911 views
Could anybody diagram this sentence?"What a most delightful quatrain Jamie has written." Where would the placement of the word
1. 1 answer
2. asked by Mike
3. 484 views
1. What type of car is more popular among college students, American or foreign? One hundred fifty-nine college students were
1. 2 answers
2. asked by Michael
3. 2,391 views
What does Galileo's Dialogue of 2 Chief World Systems talk about?
1. 1 answer
2. asked by Chipe Martinez
3. 463 views
Why scientists used only mice from the same pure-bred strain is so that
1. 1 answer
2. asked by tracey
3. 372 views

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