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2011
December
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December 4, 2011
1)How many protons and electrons are in a sulfate ion SO4^2- ?
I know the answer is 48 protons and 50 electrons but i do not know
13 answers
asked by
Hannah
21,920 views
How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?
28 answers
asked by
Rock
13,951 views
1. Given the curve
a. Find an expression for the slope of the curve at any point (x, y) on the curve. b. Write an equation for
3 answers
asked by
Fareha
4,802 views
A factory produces bicycles at a rate of 80+0.3t^2−1.1t bicycles per week (t in weeks). How many bicycles were produced from
3 answers
asked by
saud
4,294 views
if a person is 6 feet tall and casts a 9 foot shadow, how tall would the shadow of a 100 foot tall tree be?
3 answers
asked by
liz
3,710 views
In general, the air temperature decreases 12F for every 4000 feet increase in altitude. If a hiker climbs 3000 feet, by how much
9 answers
asked by
Kate
3,669 views
A bowling ball of mass M and radius R is thrown along a level surface so that initially ( t= 0) it slides with a linear speed
4 answers
asked by
Helen
3,450 views
three times a first number decreased by a second number is 25. the first number increased by four times the second number is
4 answers
asked by
Anonymous
2,910 views
Trailing by two points, and with only 1.00 s remaining in a basketball game, a player makes a jump-shot at an angle of 35.0o
1 answer
asked by
Mark
2,758 views
the perimeter of a rectangle is 68cm. the length is 2cm less than 3 times the width. find the length and width.
2 answers
asked by
kit kat
2,753 views
a 30 foot ladder leans against a wall at a 71 degree angle of elevztion find the distance of a ladder's base to the wall
1 answer
asked by
jennifer
2,394 views
A 650 N student stands on a scale in an elevator. As the elevator starts to move, the scale reads 780 N.
a. Find tha
1 answer
asked by
Tomomi
2,310 views
If a force of 15.0 N directed east acts on a stationary 5.00 kg mass, what are its acceleration, displacement, and velocity
2 answers
asked by
Tomomi
2,249 views
A college professor told her students, “The purpose of a management course is to teach students about management, not to teach
3 answers
asked by
Sonya
2,002 views
If Q2 = D5 = Median
Which means if the 2nd quartile equals to 5th decile and also the median.. then how do we find out the fourth
1 answer
asked by
HM
1,906 views
Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this
1 answer
asked by
John
1,901 views
1) How many miles are covered in a 15km race? (1 mile=5280, 12 in=1 ft, 1in=2.54cm)
I know that I have to convert but I do not
2 answers
asked by
Hannah
1,869 views
Using the lists of possible answers, use the letters assigned to the characters/people to identify who would be the speaker of
25 answers
asked by
SHAY
1,854 views
A lottery game has balls numbered from 0 - 9
If a ball is selected at random, what is the probability of selecting an even
2 answers
asked by
HM
1,778 views
Which of the following forms the core of the Republican Party?
a. Hispanic Catholics b. Anglo Catholics c. Anglo Protestants d.
1 answer
asked by
HM
1,721 views
Mr. Saurik proposed that the function h(t) = 6sin(3pi(t) - pi/3) + 5, where h(t) is in meters and t is in seconds, models the
2 answers
asked by
Alisha
1,664 views
I'm doing a research paper on Ernest Hemingway. I have to write 1,500 word essay on it. I chose to write about his jobs that
14 answers
asked by
NeedHelp
1,640 views
A spinner has equal regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a
1 answer
asked by
Anonymous
1,625 views
Consider the 671 N weight held by two cables
shown below. The left-hand cable had ten- sion T2 and makes an angle of 47� with the
13 answers
asked by
laura
1,616 views
Water flows through a horizontal tube of diameter 2.9cm that is joined to a second horizontal tube of diameter 1.5 cm. The
1 answer
asked by
jazz
1,584 views
the momentum of 900kg car initially moving north at 10m/s increases by 10,800. calculate the final velocity of the car.
1 answer
asked by
gem
1,535 views
What is the energy released in the fusion reaction:
2H+2H--> 4He + Q? How do I calculate this?
2 answers
asked by
Mariana
1,525 views
Gerrad is a painter. he is using a canvas that is in the shape of a regular hexagon. The perimeter of the canvas is 78 in. The
3 answers
asked by
Cj
1,500 views
1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second.
a.
0 answers
asked by
Fareha
1,389 views
The following table represents the diameter of the cross section of a wire at continuous heights (feet) above the ground. Assume
0 answers
asked by
Paige
1,382 views
Which of these was NOT a major factor in the emergence of a two-party system in Texas?
a. The Shivercrats b. The civil rights
1 answer
asked by
HM
1,369 views
Consider the 671 N weight held by two cables
shown below. The left-hand cable had ten- sion T2 and makes an angle of 47� with the
1 answer
asked by
laura
1,364 views
1) what mass of oxygen will react with 2.64g of magnesium?
2Mg + O2 -> MgO I was going to do 2.64g * (1/2) from the equation but
0 answers
asked by
Hannah
1,285 views
Cleanliness
what is it? why practice it? how do you practice it? what would it look like if..... reflections: action plan: plz
6 answers
asked by
smiley face
1,220 views
he current term-structure of spot interest rates for safe zero-coupon bonds is as follows:
Maturity, in years Interest rate(r) 1
0 answers
asked by
Robbie
1,213 views
For which salt in each of the following groups will the solubility depend on pH?
Pb(OH)2 PbCl2
2 answers
asked by
william
1,211 views
Someone verify if this is correct, please!
1. Draw a distance versus time graph that corresponds to the walk described below.
3 answers
asked by
Melinda
1,204 views
which of the following dishes is an example of cajun cuisine
2 answers
asked by
Anonymous
1,195 views
quadrilateral ABCD has right angles at B and D. If ABCD is kite-shaped with AB=AD=20 and BC=CD=15, find the radius of the circle
1 answer
asked by
Hanna
1,184 views
An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the
2 answers
asked by
mar13
1,178 views
1. In what country does 40 degrees N latitude cross 40 degrees E longitude? Turkey
2. Which city is the capital of Hungary:
1 answer
asked by
Reed
1,174 views
I need help with this assignment.
Apply the appropriate Level II HCPCS code modifier for each of the following examples. Explain
5 answers
asked by
amanda
1,172 views
A triangular plate with a non-uniform areal density has a mass M=0.700 kg. It is suspended by a pivot at P and can oscillate as
0 answers
asked by
liv
1,161 views
I'm trying to add more details to this paragraph on my assignment:
Lastly, Temporary Marriage Licenses are not a good solution to
0 answers
asked by
Alex L.
1,160 views
A court has ordered Security Enterprises to pay 200000 in two years and 500000 in five years. In order to meet this important
1 answer
asked by
Jack
1,145 views
Please help again. How many grams of lithium are required to completely react with 70.7 mL of N2 gas at STP when given the
2 answers
asked by
Lisa
1,124 views
Techniques for interest groups to reach a wide number of people and influence policy makers and voters include all of the
1 answer
asked by
Michelle
1,117 views
For a college application, Macawi must select one of five topics on which to write a short essay. She must also select a
3 answers
asked by
Rock
1,110 views
What are some global health issues related to mexico?
1 answer
asked by
maria
1,100 views
A balloon is floating around outside your window. The temperature outside is 39 degree celsius, and the air pressure is 0.800atm
1 answer
asked by
Mary
1,092 views
The following table represents the diameter of the cross section of a wire at continuous heights (feet) above the ground. Assume
0 answers
asked by
Paige
1,073 views
(a) Why is the sun considered to be located in the central disk of our galaxy? (b) What is thought to occupy the center of the
1 answer
asked by
Shirley
1,072 views
solve the formula for the indicated variable
solve the volume of a rectangular prism v=lwh, for h
3 answers
asked by
ann
1,068 views
can you please try to help me understand this?
Q:The table below shows a distribution and the observed frequencies of the values
1 answer
asked by
destiny
1,059 views
A point P in the first quadrant lies on the parabola y=x^2. Express the coordinates of P as functions of the angle of
1 answer
asked by
JEUCD 12311
1,037 views
General Chemistry 111
11/28/11 Chapter 9 Extra Credit Quiz Name: _____________________________ Section #______________________
0 answers
asked by
Olayinka
1,027 views
A force of 15 N is applied at an angle of 30 degrees with the horizontal on a 0.75 block at rest on a frictionless surface.
a.
1 answer
asked by
Tomomi
1,005 views
if we reason from the fact that all A's observed so far are B's to the conclusion that all A's whatsoever are B's, Which kind of
4 answers
asked by
anon
996 views
We are doing trig identities in school. I need help with these five:
1.1+sinx/1-sinx=cscx+1/cscx-1 2.tanx+sinx/1+cosx=tanx
1 answer
asked by
Jay
994 views
Find the heat that flows in 1 s through a lead brick 18 cm long if the temperature difference between the ends of the brick is
1 answer
asked by
Anonymous
970 views
A bakery makes bread in batches. Several loaves per batch are rejected due to defects. Your friend says that the total number of
2 answers
asked by
Anon
968 views
A gaseous mixture containing 5 moles of H2 and 7 moles of Br2 reacts to form HBr. Write a balanced chemical equation. Which
0 answers
asked by
Zoe
967 views
please solve
2x is greater than or equal to 12
1 answer
asked by
Lavern
954 views
The difference of two numbers is 5. Three times the larger, decreased by 5 times the smaller is 7. Find the numbers
1 answer
asked by
kit kat
946 views
A child of mass 40 kg stands beside a circular platform of mass 100 kg and radius 1.8 m spinning at 2.6 rad/s. Treat the
0 answers
asked by
John
944 views
6.1 Development of the Two-party System
Political scientists and historians usually focus on a few key elements of Texas's
2 answers
asked by
HM
928 views
The equation of a transverse wave traveling along a very long string is given by y = 5.2 sin(0.013π|x + 4.7π|t), where x and y
1 answer
asked by
Kyle
928 views
A circular disk of mass 0.3 kg and radius 40 cm, initially not rotating, slips down a thin spindle onto a turntable (disk) of
0 answers
asked by
John
925 views
A toddler’s playground has two slides on either side. The slide on the left is situated at a 45° angle to the ground and is
1 answer
asked by
Silvia
920 views
If 27 J of work are needed to stretch a spring from 18 cm to 24 cm and 45 J are needed to stretch it from 24 cm to 30 cm, what
0 answers
asked by
Alan
905 views
1. Let y = f(x) be the continuous function that satisfies the equation x^4-5x^2y^2+4y^4=0 and whose graph contains the points
1 answer
asked by
Fareha
879 views
A company assembles drills using components from two sources. Acemart supplies 91% of the components and Begud supplies the
1 answer
asked by
Nabiha
878 views
A sinusoidal wave is traveling on a string with speed 30.00 cm/s. The displacement of the particles of the string at x = 15 cm
1 answer
asked by
Kyle
873 views
Jack usually mowes his lawn in 7 hours. Marilyn can mow the same yard in 4 hours. How musch time would it take for them to mow
4 answers
asked by
Angela
869 views
A light spring of constant k = 158 N/m rests vertically on the bottom of a large beaker of water (Fig. P9.34a). A 5.55 kg block
2 answers
asked by
Arianna
861 views
The curve C with equation y=fx passes through the point (3, 14/2)
given that f'(x)=2x+3/xsquared a) find f(x) (5 marks) b) verify
2 answers
asked by
Nabiha
857 views
solve using the addition and multiplication principle
5x+2-4 less than or equal to 13
1 answer
asked by
Lavern
855 views
I need help with this question,
it says to find the instantaneous rate at distance t = 6s with the given graph First of all, it
11 answers
asked by
Melinda
844 views
A roller coaster car speeds down a hill past point A and then rolls up a hill past hill B.The car has a speed of 16.9 m/s at
0 answers
asked by
Jake
843 views
Calculate the number of sides of a regular polygon whose interior angles are each 156 degrees.
1 answer
asked by
AJ
819 views
What are common types of music in Alsace? Do you know of any webstes with this info?
1 answer
asked by
Sally
808 views
A bowling ball of mass M and radius R is thrown along a level surface so that initially ( t= 0) it slides with a linear speed
0 answers
asked by
Helen
805 views
A puck of mass 80.0 g and radius 4.10 cm slides along an air table at a speed of 1.50 m/s as shown in the figure below. It makes
0 answers
asked by
Anonymous
804 views
A block of mass 0.433kg is hung from a vertical spring and allow it to reach equilibrium rest. As a result the spring is
1 answer
asked by
briana wiliams
795 views
a die is rolled three times. find the chance that not all the rolls show 3 or more spots
1 answer
asked by
Fay
791 views
Could someone please read my (corrected) summary in Spanish for grammar and fluidity? The English version appears below for
2 answers
asked by
Lisa
782 views
How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 8.5 liters against
1 answer
asked by
Ashlyn
760 views
a company sells snack-size boxes of raisins with dimensions 5 in. by 2.5 in. by 1.5 in., each weighing 2 oz. They want to make a
2 answers
asked by
danielle
760 views
A researcher observes hydrogen emitting photons of energy 10.2 eV.
What are the quantum numbers of the two states involved in the
0 answers
asked by
Paige
750 views
Could someone please proofread this summary in Spanish on a short story? The English version is also below. Thank you.
Spanish:
1 answer
asked by
Lisa
749 views
On an air track, a 403.0 glider moving to the right at 2.30 collides elastically with a 501.0 glider moving in the opposite
1 answer
asked by
Lindsay
748 views
Q2 = D5 = Median
Then what is D4 going to be? I am talking about Deciles here
0 answers
asked by
HM
743 views
The consecutive terms of an arithmetic progression are 5-x, 8, 2x. Find the common difference of the progression.
1 answer
asked by
Watermelon
740 views
A man has 400 meters of fencing and wants to fence in a rectangular field next to a straight river. Assuming that no fencing is
1 answer
asked by
Sejul
739 views
The first right given to every American citizen at birth is the right to freedom of speech and religion. Therefore, anyone would
3 answers
asked by
student
730 views
An insulated Thermos contains 140 cm3 of hot coffee at 89.0°C. You put in a 11.0 g ice cube at its melting point to cool the
1 answer
asked by
mar13
729 views
These four religions have some similarities but are very different in their beliefs and their cultural differences to society.
1 answer
asked by
student
728 views
A turntable with a moment of inertia of 0.017 kg*m^2 rotates feely at 3.3 rad/s. A circular disk of mass 240 g and diameter 26
1 answer
asked by
John
716 views
In the movie The Shawshank Redemption
how does the prison in the film try to rehabilitate its inmates? Was it sucessful? and
1 answer
asked by
Heather
713 views
Vibrations from a 650 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is
1 answer
asked by
Kyle
704 views
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