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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
5 answers
asked by
Monique
8,642 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?
5 answers
asked by
Bobbie
4,705 views
determine the value of N:
N/20 * 100%=60%
3 answers
asked by
matthew
322 views
In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and
2 answers
asked by
Bob
592 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
2 answers
asked by
Micaela
946 views
The average distance separating earth and moon is 384000 km. What is the net gravitational force exerted by earth and moon on a
2 answers
asked by
Dee
1,312 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
7 answers
asked by
marko
1,629 views
what is the significance of Athena turning into birds throughout the Odyssey?
1 answer
asked by
Englishstudent
384 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 answer
asked by
sanjeev
689 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 answer
asked by
Jess
476 views
how many gallons would be left after 10 seconds?
1 answer
asked by
sam
300 views
How would I say "Fishing fascinates me"
4 answers
asked by
Jodi
410 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
2 answers
asked by
ME
606 views
Avery paid $168 for a cell phone. What
was the original price of the phone if he got it at a 30% discount?
3 answers
asked by
MONA
493 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
2 answers
asked by
tamara
551 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 answer
asked by
Jake
849 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
2 answers
asked by
John
1,066 views
geography terms 7th grade
need help in defintions of ; phyical map, political map thematic map legend title can you help me with
7 answers
asked by
marko
1,127 views
I need to find the power for the base Android exponents 7to2
1 answer
asked by
rashawn
369 views
X+6=-18 how to solve problem
1 answer
asked by
rashawn
355 views
Find the annual rate, r that produces an effective annual yield of 6.3% when compounded continuosly.
3 answers
asked by
nan
1,502 views
4×-7=-19 how to show all work
1 answer
asked by
rashawn
323 views
What does this means?
What if what I think is great, really is great. But not as great as something greater?!"
1 answer
asked by
Pyria
356 views
2+4×3×=42 show all work
1 answer
asked by
rashawn
301 views
Explain why one column in a hundredths grid is equal to one column in a tenths grid?
1 answer
asked by
sandra
461 views
-5(5+4×)=-5 show all work
1 answer
asked by
rashawn
268 views
A simple Atwood’s machine uses a massless
pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is
1 answer
asked by
Loreal
1,345 views
Calculate the average mass (in amu) of 1 methane molecule (to .01 amu)
2 answers
asked by
Caitlin
689 views
Calculate the mass ( in grams) of one mole of methane molecules (to .01 g)
1 answer
asked by
Matt
502 views
Use a grammatically correct English sentence to describe how the mass in amu of one molecule of a compound is related to the
4 answers
asked by
Natalie
2,128 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 answer
asked by
Don
1,006 views
The circumference of a circle is 75.36meters. Estimate the radius [c#=2Πr]
3 answers
asked by
rashawn
795 views
Solve the proportions, 4 : 5::8 :b
2 answers
asked by
rashawn
1,065 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
3 answers
asked by
Cindy
341 views
Solving the proportions b : 16::6 : 4
1 answer
asked by
rashawn
328 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)
3 answers
asked by
Hannah
915 views
How does the Constitution provide for the system of federalism in the American form of government?
3 answers
asked by
GABBY:)
491 views
(5y-3)/3 - (2y-1)/2=1
note: 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) +
3 answers
asked by
Eliza
385 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 answer
asked by
fred
472 views
Show 25 broken key is 5 show 2 ways
3 answers
asked by
Basimah
853 views
Explain why one column in a hundredths grid is equal to one column in a tenths grid?
3 answers
asked by
Christian
532 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.
2 answers
asked by
Eddie
618 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 answer
asked by
Don
695 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
4 answers
asked by
D
931 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
2 answers
asked by
Eddie
570 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 answer
asked by
Don
321 views
In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and
3 answers
asked by
Bob
834 views
In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the
3 answers
asked by
Nyke
1,220 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)
2 answers
asked by
Max R
743 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
2 answers
asked by
Eddie
706 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.
3 answers
asked by
ron
2,355 views
What is the second derivative of (x^3)/(x^2-1)?
1 answer
asked by
Haley
419 views
8x-12=3x+38 what is X?
3 answers
asked by
Max R
289 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 answer
asked by
cade
460 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 answer
asked by
nan
432 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
2 answers
asked by
Jake
615 views
Solving Equations Containing Circular Functions :
Solve 2cos sq x =1
1 answer
asked by
don
389 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
4 answers
asked by
niks
836 views
how do i calculate the [OH-] and [Ca2+] using the equivalence point? Then I have to calculate the Ksp for calcium hydroxide.
9 answers
asked by
Kris
568 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
3 answers
asked by
Dee
608 views
can you please help me with these
1. -5/c = 1/3 2. k/8 = -2/5 3. 6/z = -3/5
1 answer
asked by
JOSH
258 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.
2 answers
asked by
Dee
725 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
3 answers
asked by
Emily
1,157 views
Using California as a topic, number and write one example of each of the following:
1. A completely correct simple sentence (see
7 answers
asked by
Karen
558 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
2 answers
asked by
Sarah
907 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
4 answers
asked by
Hannah
6,320 views
Solving Equations Containing Circular Functions : Solve
2cosx sinx + sinx = 0 when x is between 0 and 2pi
1 answer
asked by
don
514 views
of exhow many grams of no2 can be produced by the reaction of excess o2 with 19.8 of no
2 answers
asked by
jacob
519 views
How long will it take an investment that pays 5% compunded annually to double in value?
1 answer
asked by
eliza
400 views
Buffers work by converting _____ to ____.
1 answer
asked by
Chemistry
345 views
Given f(x)=sin(x)-2cos(x) on the interval [0,2pi].
a) Determine where the function is increasing and decreasing. b) Determine
2 answers
asked by
Shawn
680 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 answer
asked by
Emily
886 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
5 answers
asked by
Maria
13,129 views
In 600 minutes how many machines travel a distance of 103,700 mm at a speed of 300 mm/minute?
1 answer
asked by
Rebecca
386 views
given
triangle ABC is congruent to triangle PQR, AB = 38 .QR = 28 and PQ = 5x+8 . find x value
2 answers
asked by
alejandra
792 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
3 answers
asked by
sam
1,075 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 answer
asked by
Arielle
441 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 answer
asked by
Anonymous
401 views
whats 14.9% as a decimal?
2 answers
asked by
barbra
860 views
find an equation of the tangent line to the curve at the given point:
y=sqrt(1+x^3), (2,3)
1 answer
asked by
robert
396 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 answer
asked by
Holly
387 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 answer
asked by
nan
475 views
Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They don't just want to
3 answers
asked by
Holly
477 views
how do you find the slant asymtote of f(x) = (x^3)/(x^2-1) ?
1 answer
asked by
Haley
244 views
can you check these tell if the number after the: color is a solution
x < 7; 7 i say yes p > -3;3 i say yes k is greater than or
1 answer
asked by
marko
413 views
H(x)=2xCUBED+8XSQUARED+8X+5
1 answer
asked by
Anonymous
430 views
using unit circle solve:
2cos sq x =1
1 answer
asked by
don
338 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
6 answers
asked by
Jake/cabe/eliza
378 views
Equations containing circular functions
and unit circle... solve 2cosx sinx + sinx = 0
1 answer
asked by
don
446 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
2 answers
asked by
leah
880 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 answer
asked by
Sami
1,340 views
I need help in solving two-step inequalities.
7 - 4w <_ 19
3 answers
asked by
jared
1,323 views
What language was spoken/written by the venerable bede/ pre Beowulf period?
1 answer
asked by
Chris
392 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 answer
asked by
rosalind
453 views
Pentaborane-9(B5H9) IS a colorless highly reactive liquid that will burst into flames when exposed to oxygen.The reaction is '
2B
5 answers
asked by
asembi
2,568 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
2 answers
asked by
Sami
555 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
2 answers
asked by
Keelia
568 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
3 answers
asked by
Keelia
643 views
could some please help me to compare and contrast these two thrapeutic approaches=humanistic/existential and Cognitive behavior
2 answers
asked by
Sharon
551 views
What is tan(arccos3/4)
2 answers
asked by
ryan
546 views
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