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2011
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Questions Asked on November 2, 2011

If im given mass percent and mass solvent how do I find mass solute and mass solution.example: Mass percent = 3.8% and Mass
1. 3 answers
2. asked by Monique
3. 8,693 views
A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?
1. 2 answers
2. asked by Bobbie
3. 4,731 views
determine the value of N:N/20 * 100%=60%
1. 2 answers
2. asked by matthew
3. 331 views
In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and
1. 0 answers
2. asked by Bob
3. 601 views
Ms. Hernandez has 17 tomato plants that she wants to plant in rows. She will put 1 plant in some rows and 2 plants in the
1. 1 answer
2. asked by Micaela
3. 963 views
The average distance separating earth and moon is 384000 km. What is the net gravitational force exerted by earth and moon on a
1. 1 answer
2. asked by Dee
3. 1,328 views
i have a question do you think the influenza virus is a active or hidden virus and explain,im really not sure. i said active
1. 6 answers
2. asked by marko
3. 1,645 views
what is the significance of Athena turning into birds throughout the Odyssey?
1. 0 answers
2. asked by Englishstudent
3. 391 views
During an eclipse, the Sun, Earth, and Moon are arranged in a line as shown in the figure below. There are two types of eclipse:
1. 0 answers
2. asked by sanjeev
3. 704 views
Calculate the amount of heat in kcal it would take to convert 1.45 mol of ice at 0 degrees C to steam at 100 degrees C.
1. 1 answer
2. asked by Jess
3. 485 views
how many gallons would be left after 10 seconds?
1. 0 answers
2. asked by sam
3. 304 views
How would I say "Fishing fascinates me"
1. 3 answers
2. asked by Jodi
3. 424 views
The ALL CAP words are used incorrectly. Choose the best word to replace them both:1. Success is not measured ON a person's
1. 1 answer
2. asked by ME
3. 621 views
Avery paid $168 for a cell phone. Whatwas the original price of the phone if he got it at a 30% discount?
1. 2 answers
2. asked by MONA
3. 507 views
You are an astronaut (m = 80 kg) and travel to a planet that is the same mass and size as Earth, but it has a rotational period
1. 1 answer
2. asked by tamara
3. 559 views
I have 2 biology questions I really need help with, they are due tommorow and I don't know if I'm right.1)As an energy carrier,
1. 0 answers
2. asked by Jake
3. 861 views
You jog at 6.2 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if
1. 1 answer
2. asked by John
3. 1,080 views
geography terms 7th gradeneed help in defintions of ; phyical map, political map thematic map legend title can you help me with
1. 6 answers
2. asked by marko
3. 1,147 views
I need to find the power for the base Android exponents 7to2
1. 0 answers
2. asked by rashawn
3. 384 views
X+6=-18 how to solve problem
1. 1 answer
2. asked by rashawn
3. 365 views
Find the annual rate, r that produces an effective annual yield of 6.3% when compounded continuosly.
1. 1 answer
2. asked by nan
3. 1,515 views
4×-7=-19 how to show all work
1. 1 answer
2. asked by rashawn
3. 331 views
What does this means?What if what I think is great, really is great. But not as great as something greater?!"
1. 1 answer
2. asked by Pyria
3. 365 views
2+4×3×=42 show all work
1. 1 answer
2. asked by rashawn
3. 309 views
Explain why one column in a hundredths grid is equal to one column in a tenths grid?
1. 0 answers
2. asked by sandra
3. 467 views
-5(5+4×)=-5 show all work
1. 1 answer
2. asked by rashawn
3. 275 views
A simple Atwood’s machine uses a masslesspulley and two masses m1 and m2. Starting from rest, the speed of the two masses is
1. 0 answers
2. asked by Loreal
3. 1,355 views
Calculate the average mass (in amu) of 1 methane molecule (to .01 amu)
1. 1 answer
2. asked by Caitlin
3. 701 views
Calculate the mass ( in grams) of one mole of methane molecules (to .01 g)
1. 1 answer
2. asked by Matt
3. 510 views
Use a grammatically correct English sentence to describe how the mass in amu of one molecule of a compound is related to the
1. 2 answers
2. asked by Natalie
3. 2,137 views
Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled
1. 0 answers
2. asked by Don
3. 1,013 views
The circumference of a circle is 75.36meters. Estimate the radius [c#=2Πr]
1. 2 answers
2. asked by rashawn
3. 804 views
Solve the proportions, 4 : 5::8 :b
1. 1 answer
2. asked by rashawn
3. 1,075 views
In Jamison's backpack, he only keeps nickels and quarters. He has 30 coins in all. How many of each coin does he have? Show
1. 2 answers
2. asked by Cindy
3. 350 views
Solving the proportions b : 16::6 : 4
1. 1 answer
2. asked by rashawn
3. 340 views
1)For an atom of carbon how many valence electrons are "s" electrons?2 2) How many are "p" electrons? 4 3)How many (total)
1. 2 answers
2. asked by Hannah
3. 927 views
How does the Constitution provide for the system of federalism in the American form of government?
1. 2 answers
2. asked by GABBY:)
3. 504 views
(5y-3)/3 - (2y-1)/2=1note: the divide signs are the fraction bars. -5(-2(x-1) - (x+1))=9 .08n-.09(n-2)=5-.08 -2(3-(x-1)+3x) +
1. 2 answers
2. asked by Eliza
3. 399 views
What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded
1. 1 answer
2. asked by fred
3. 481 views
Show 25 broken key is 5 show 2 ways
1. 2 answers
2. asked by Basimah
3. 864 views
Explain why one column in a hundredths grid is equal to one column in a tenths grid?
1. 2 answers
2. asked by Christian
3. 543 views
A 50-kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 38° with the horizontal.
1. 0 answers
2. asked by Eddie
3. 629 views
Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled
1. 0 answers
2. asked by Don
3. 703 views
Beth gives Megan $2 allowance a week. Then she takes Megan shopping and allows her to select what she wants to buy. If the item
1. 2 answers
2. asked by D
3. 977 views
A 5.6-kg bowling ball is accelerated from rest to a velocity of 17 m/s as the bowler covers 5.0 m of approach before releasing
1. 0 answers
2. asked by Eddie
3. 581 views
A 130g ball moving at 0.35m/s in the x-direction is subject to a 0.25N force in the - y-direction for 1.0s. Find the magnitude
1. 1 answer
2. asked by Don
3. 327 views
In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and
1. 2 answers
2. asked by Bob
3. 866 views
In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the
1. 2 answers
2. asked by Nyke
3. 1,237 views
Two angles <3 and <5 are supplementary to <4. If m<5 is 78 degrees, what is m<3? (A diagram is required, label the diagram)
1. 1 answer
2. asked by Max R
3. 755 views
A 2.5-kg block slides down a 17.0° inclined plane with constant acceleration. The block starts from rest at the top. At the
1. 1 answer
2. asked by Eddie
3. 720 views
6. You read in a book about bridge that the probability that each of the four players is dealt exactly one ace is about 0.11.
1. 1 answer
2. asked by ron
3. 2,373 views
What is the second derivative of (x^3)/(x^2-1)?
1. 0 answers
2. asked by Haley
3. 424 views
8x-12=3x+38 what is X?
1. 2 answers
2. asked by Max R
3. 296 views
If the initial investment of 1000 doubles in value in 9.8 years find the rate for continous compounding.so the formula would be
1. 1 answer
2. asked by cade
3. 469 views
What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded
1. 0 answers
2. asked by nan
3. 441 views
Hester thought there was three changes that need to be made before young women were able to take there stand next to men as
1. 0 answers
2. asked by Jake
3. 625 views
Solving Equations Containing Circular Functions :Solve 2cos sq x =1
1. 0 answers
2. asked by don
3. 397 views
Hello Sir/ Mam,I have assignments to be completed but really don't know where to start from i need help. I am doing Diploma in
1. 3 answers
2. asked by niks
3. 853 views
how do i calculate the [OH-] and [Ca2+] using the equivalence point? Then I have to calculate the Ksp for calcium hydroxide.
1. 8 answers
2. asked by Kris
3. 589 views
a jet plane flying at 550 m/s makes a curve. The radius of the circle in which the plane is flying is 9.0 X 10^3 m. What
1. 2 answers
2. asked by Dee
3. 621 views
can you please help me with these1. -5/c = 1/3 2. k/8 = -2/5 3. 6/z = -3/5
1. 1 answer
2. asked by JOSH
3. 267 views
a student attaches a mass to the end of a 0.80 m string. The system will be whirled in a horizontal circular path at 31.5 m/s.
1. 1 answer
2. asked by Dee
3. 735 views
The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the
1. 1 answer
2. asked by Emily
3. 1,170 views
Using California as a topic, number and write one example of each of the following:1. A completely correct simple sentence (see
1. 6 answers
2. asked by Karen
3. 577 views
One end of a long 26 foot ladder is on the floor and the other end rests on a verical wall the bottom end of the ladder is
1. 1 answer
2. asked by Sarah
3. 918 views
1) What is the atomic # for selenium?34 2) Write the full electron configuration for selenium following the (n+l) rule? I am not
1. 2 answers
2. asked by Hannah
3. 6,338 views
Solving Equations Containing Circular Functions : Solve2cosx sinx + sinx = 0 when x is between 0 and 2pi
1. 1 answer
2. asked by don
3. 522 views
of exhow many grams of no2 can be produced by the reaction of excess o2 with 19.8 of no
1. 1 answer
2. asked by jacob
3. 524 views
How long will it take an investment that pays 5% compunded annually to double in value?
1. 1 answer
2. asked by eliza
3. 411 views
Buffers work by converting _____ to ____.
1. 0 answers
2. asked by Chemistry
3. 351 views
Given f(x)=sin(x)-2cos(x) on the interval [0,2pi].a) Determine where the function is increasing and decreasing. b) Determine
1. 1 answer
2. asked by Shawn
3. 692 views
The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the
1. 0 answers
2. asked by Emily
3. 896 views
A rectangular beam is cut from a cylindrical log of radius 25 cm. The strength of a beam of width w and height h is proportional
1. 2 answers
2. asked by Maria
3. 13,146 views
In 600 minutes how many machines travel a distance of 103,700 mm at a speed of 300 mm/minute?
1. 1 answer
2. asked by Rebecca
3. 394 views
giventriangle ABC is congruent to triangle PQR, AB = 38 .QR = 28 and PQ = 5x+8 . find x value
1. 1 answer
2. asked by alejandra
3. 803 views
anthony is building a picnic table for his patio. he cut one of the legs at an angle of 40 degrees. at what angle should he cut
1. 2 answers
2. asked by sam
3. 1,087 views
Find the first two zeros of the function y=sin(4x+20) (in degrees) for x > 0, and the value of y at x=9.
1. 1 answer
2. asked by Arielle
3. 455 views
find an equation of the tangent line to the curve y= x(x)^(1/2) that is parallel to the line y=1+3x
1. 1 answer
2. asked by Anonymous
3. 409 views
whats 14.9% as a decimal?
1. 1 answer
2. asked by barbra
3. 868 views
find an equation of the tangent line to the curve at the given point:y=sqrt(1+x^3), (2,3)
1. 0 answers
2. asked by robert
3. 401 views
Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They don't just want to
1. 0 answers
2. asked by Holly
3. 399 views
Your industry currently employs 3,800,000 workers. If this labor force is growing expotentially at an annual rate of 2.3% how
1. 0 answers
2. asked by nan
3. 483 views
Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They don't just want to
1. 2 answers
2. asked by Holly
3. 484 views
how do you find the slant asymtote of f(x) = (x^3)/(x^2-1) ?
1. 0 answers
2. asked by Haley
3. 251 views
can you check these tell if the number after the: color is a solutionx < 7; 7 i say yes p > -3;3 i say yes k is greater than or
1. 0 answers
2. asked by marko
3. 427 views
H(x)=2xCUBED+8XSQUARED+8X+5
1. 1 answer
2. asked by Anonymous
3. 435 views
using unit circle solve:2cos sq x =1
1. 1 answer
2. asked by don
3. 348 views
I need serious help for the questions i put on here and no one is helping me? ive tried using different names, subjects and said
1. 5 answers
2. asked by Jake/cabe/eliza
3. 394 views
Equations containing circular functionsand unit circle... solve 2cosx sinx + sinx = 0
1. 0 answers
2. asked by don
3. 456 views
On the day a child was born, a lump sum P was deposited in a trust fund paying 6.5% interest compounded continuously. Use the
1. 1 answer
2. asked by leah
3. 892 views
A person is sitting with one leg outstretched, so that it makes an angle of = 39.9o with the horizontal. The weight of the leg
1. 0 answers
2. asked by Sami
3. 1,351 views
I need help in solving two-step inequalities.7 - 4w <_ 19
1. 1 answer
2. asked by jared
3. 1,336 views
What language was spoken/written by the venerable bede/ pre Beowulf period?
1. 0 answers
2. asked by Chris
3. 403 views
Jack runs 275 miles per day during soccer season. He has already run 25 miles this morning. He plans to run 2.5 miles each day.
1. 1 answer
2. asked by rosalind
3. 462 views
Pentaborane-9(B5H9) IS a colorless highly reactive liquid that will burst into flames when exposed to oxygen.The reaction is '2B
1. 4 answers
2. asked by asembi
3. 2,578 views
A uniform disk with a mass of 27.3 kg and a radius of 0.309 m is free to rotate about a frictionless axle. Forces of 90.0 N and
1. 1 answer
2. asked by Sami
3. 567 views
You push a 4.6 kg block against a horizontal spring, compressing the spring by 27 cm. Then you release the block, and the spring
1. 1 answer
2. asked by Keelia
3. 580 views
A rope is used to pull a 2.54 kg block at constant speed 4.48 m along a horizontal floor. The force on the block from the rope
1. 2 answers
2. asked by Keelia
3. 656 views
could some please help me to compare and contrast these two thrapeutic approaches=humanistic/existential and Cognitive behavior
1. 1 answer
2. asked by Sharon
3. 561 views
What is tan(arccos3/4)
1. 1 answer
2. asked by ryan
3. 550 views

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