Thursday
February 11, 2016

Posts by rebecca

Total # Posts: 957

math
a liscense plate that has 3 numbers from 0-9 and 2 letters where each number and a letter may be used more than once. Find the Fundamental Counting Principle to find the number of outcomes in the situation
February 9, 2016

magh
a liscense plate that has 3 numbers from 0-9 and 2 letters where each number and a letter may be used more than once. Find the Fundamental Counting Principle to find the number of outcomes in the situation
February 9, 2016

Social Studies
Wow! Thank you so much!
February 2, 2016

Social Studies
In his book The Social Contract, Rousseau comes up with his theories on government. He believed in what he called “a state of nature” in which people are purely instinctual and harmful, so he says people made a contract with the government to give up some of their ...
February 2, 2016

Social Studies
Charles de Montesquieu: Expanding on the ideas of Locke in his book The Spirit of Laws, Montesquieu added the judiciary branch to Locke’s Executive and Legislative branch. ?
February 2, 2016

Social Studies
the people who grant that right
February 2, 2016

Social Studies
What does Locke say about the "social contract"? My answer: He came up with the idea that people, not god, gave the ruler the right to rule, and because of this if ever the government was not doing its job correctly then it is the people’s right to overthrow and...
February 2, 2016

Social Studies
John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No ...
February 2, 2016

Math
There are 6 periods in each working day of a school. In how many ways can one organize 5 subjects such that each subject is allowed at least one period?
January 13, 2016

math
How many 3 digit numbers can be formed from the digits 2,3,5,6,7 and 9 which are divisible by 5 and none of the digits is repeated?
January 13, 2016

algebra
x^-2y+6z^-1 add. write the answer with all exponents positive
January 12, 2016

Math
1)a -28-8=-36 2)a 15*-3=-45 3)a
January 12, 2016

Math
Area = length multiplied my width 360=area 12=width 360 divided by 12= 30ft
January 12, 2016

algebra
at first its 20F but now its-5F. So u would get an answer of 25 degrees. 20F-(-5F)= 25F
January 12, 2016

math
Thank you!
January 12, 2016

math
why would u multiply .2 instead of .8
January 12, 2016

math
how did you get that answer
January 12, 2016

math
a ski club planned a trip to su valley, and 38 of the members signed up. if 80% of the members did not sign up, how many members did the club have
January 12, 2016

Math help
thats right
January 12, 2016

Math
20x+10y=84 10y=84-20x y=8.4-2x, for value of y 20x=84-10y x=4.2-1/2y, for value of x
January 12, 2016

Math
1287 students 1170*.1= 117 117+1170=1287
January 12, 2016

i need help plz
2.63
January 12, 2016

Physics
Thank you!!!
January 12, 2016

Physics
Sarah walks 300 m North ,50 m East and then she walks 300 m South. What is the displacement? Thanks in advance too!!
January 12, 2016

PHYSICS
An object is initially moving in the positive direction of an x-axis with a speed of 2.7 m/s. If the constant acceleration of the object is -0.12 m/s2, what distance will it have traveled when it turns around?
December 18, 2015

physics
3. Only two forces act on an object. The magnitude of the first force is 25 N and it acts at an angle of +25° with the positive x-axis. The second force acts at angle of -73° with the positive x-axis. The acceleration of the object is parallel to the positive x-axis. ...
December 15, 2015

Math
ABC and def are equal both are 5:1 what's edf C is 47° triangle is the shape
December 3, 2015

Math
Tony hikes the woods 6.6 miles on a map 1cm=12 miles what on map representation hiking trail
December 3, 2015

Math
2:7 small shape is 16,22,28 feet what's what's the perimeter of big shape
December 3, 2015

Math
If a pole cast a 20 foot shadow and a tree that's 8 foot cast a 5ft shadow how tall is the pole also tell me how you solved it
December 3, 2015

Physics
Ma= 1750 kg Va= 30 m/s Vb=0 m/s Mb=2000 kg Vf=14 m/s Pf=52500 kg m/s Pa= 52500 kg m/s Pb= 0 kg m/s Ka= 787500 J Kb= 0 J
November 30, 2015

Physics
How do you find final kinetic energy?
November 30, 2015

Physics
In a car crash, Car A rear ends Car B that stopped at a red light. After the crash, Car A and Car B meld together moving at a speed of 14 m/s. Car A has a mass of 1750 kg. Car B has a mass of 2000 kg. Calculate the initial momentum of Car A. So far I have Va=? Ma= 1750 kg Vb=0...
November 30, 2015

Physics
How far above the surface of the earth would you have to be before your weight is reduced by 13.52%?
November 12, 2015

Physics
Find the minimum initial speed of a projectile in order for it to reach a height of 2022 km above the surface of the earth.
November 12, 2015

Social Studies Proofread Please
i have no idea if any oh these r write I just like to type lol :)
October 29, 2015

Chemistry 218
assume all of the ionized aspirin remains in the buffer solution and all of the un-ionized aspirin goes into to the ethyl acetate, what is the molarity of the aspirin in the ethyl acetate at pH 2 and pH 8? what equation would ou use for this?
October 28, 2015

Math
What is 4 to the power of 3 plus 3? I got 67.
September 30, 2015

Chem
Suppose the water sample has a relatively high percent of volatile solid material. How would this have affected the reported mass of: a. dissolved solids -- too high, too low, or unaffected? Explain. TDS will be unaffected b. total solids -- too high, too low, or unaffected? ...
September 30, 2015

Chem
Name the following binary compounds consisting of two nonmetals or a metalloid and a nonmetal. 1. AsH3= arsine 2. AsF5= arsenic pentafluoride 3. HCL= Hydrogen chloride is this right?
September 29, 2015

Chemistry
Hello! I really need help with this. Name the following salts according to the old -ic, -ous system and the stock system. a. CrS b. Cr2O3 c. CrI3 X 6H20 d. CuCl e. CuI2 f. CuBr2 x 4H20 g. HgCl2 h. Hg2Cl2 i. Fe (OH)3 I am totally lost. I don't know how to name these. I have...
September 29, 2015

CHEMISTRY
IS THIS RIGHT? Name the following binary acids: HF(aq) – Hydrofluoric Acid HCl (aq)– Hydrochloric Acaid H2Se(aq) – Hydroselenide Acid HBr(aq) – Hydrobromic Acid HI (aq)– Hydroiodic Acid H2Te (aq)- hydrotelluric acid
September 29, 2015

chem
name the following binary acids. is the name for K2S, potassium sulphide or potassium sulfide? and is the name for K2Te, potassium telluride?
September 29, 2015

precalc
3- l2x-4l is less than or equal to 1 are the values of x x is greater than or equal to 3 x is less than or equal to -3
September 27, 2015

precalc
i also need help with these two questions: 1/r=1/r1 +1/r2 solve for r1 and: f= G(mM/r^2); solve for m
September 27, 2015

precalculus
hello there! i wanted to check my answer. is: 2(x-y) / (radical x- radical y) = 2 radical x + 2 radical y? thanks so much for your help!
September 27, 2015

Physics
Determine the direction of frictional forces (left, right, up down) for the objects: 1) A cup resting on top of a car. The car is moving and accelerating to the right. Up - This one I'm not sure but I think up because the frictional force would have to go up to hold the ...
September 16, 2015

science
B. 12.14 + 3.400 + .7 = 16.24 but you only need 3 sig figs
September 15, 2015

Physics
A bicycle racer sprints near the end of a race to clinch a victory. The racer has an initial velocity of 10.3 m/s and accelerates at the rate of 0.370 m/s2 for 7.01 s. What is his final velocity? a) 12.9 m/s The racer continues at this velocity to the finish line. If he was ...
September 15, 2015

PHYSICS
25.58 m 4.4^2 x 25.2^2 = x^2 sqrt(x) = 25.58
September 15, 2015

ap biology
You should go to the second stop. If you only go to the first stop all the fluid won't expel and there will be a little bit left in the pipette tip. (You always go to the first stop when picking up fluid and always go to to second stop when expelling fluid)
September 15, 2015

ap biology
It withdraws the sample. The second stop ejects the tip.
September 15, 2015

Math 104
A belt connects two pulleys with radii 2 in and 4 in.. The velocity of point A on the belt is 25 ft/sec. What is the linear velocity and angular velocity for point B? What is the linear velocity and angular velocity for point C?
September 15, 2015

algebra
Suppose that the width of a certain rectangle is 1 inch more than one-fourth of its length. The perimeter of the rectangle is 32 inches. Find the length and width of the rectangle.
September 8, 2015

math
How many 2 1/4 feet long strips of ribbon can be cut from a ribbon that is 7 1/2 feet long
September 4, 2015

life orientation
assess the extent to which bad road use has a direct impact on the physical, emotional, social and economic aspects to the family, the community and the country.
August 12, 2015

Setlhwane
Maths lit,life science,agricultural science,geography.....can i qualify for law school with this high school subjects?
July 14, 2015

Algebra
PLEASE HURRY AND HELP ME!!
June 7, 2015

Algebra
what is (1.4*10^1)(8*10^4) in scientific notation?
June 7, 2015

Algebra
I have a few questions on my Pre- Algebra Pre- test. I am in 7th grade. Anyone willing to help me for a few questions for 5-10 minutes?
June 7, 2015

Science--HELP!!
I think
June 4, 2015

Science--HELP!!
4 is incorrect
June 4, 2015

History
Thank you so much ! :)
May 13, 2015

History
1) Which of the following best describes Affirmative Action? a) It was a way to fight corruption within the US government. b) The actions taken to instill new anti immigration laws. c) Of solving economic and educational discrimination. d) Of solely solving educational needs ...
May 13, 2015

History
1) How was Nixon appeal to Middle America a strategized? a) He tried aggressively to gain the majority of his support for protesters and aimed his campaigns towards them. b) He highlighted the salient issues that plagued and concerned many less outspoken Americans and promised...
May 13, 2015

History
Thank you !
May 12, 2015

History
Why was Vietnam key to the US taming communism in Asia? a) None of these answers b) Vietnam and the US had strong economic ties that both countries allocated throughout other countries in Asia. c) Vietnam was a major supplier of rice into the United States. d) Vietnam had a ...
May 12, 2015

History
Why did Ho Chi Minh lead a resistance against France? a) He sought Vietnam’s independence. b) He wanted to control the country. c) He wanted more foreign influence and control other than France. d) He desired to keep French rulers in the Vietnam but demanded more economic...
May 12, 2015

History
thank you very much
May 6, 2015

History
I don't know what deterrence is.. And how could I explain it?
May 6, 2015

History
Think about how deterrence was used by President John F. Kennedy. Explain deterrence and compare two modern day countries with nuclear power and explain a situation where deterrence can be utilized against both countries to prevent war.
May 6, 2015

Math
what is the perimeter of a rectangle if L=3x+5 meters W=4x-3 meters?
April 19, 2015

Math
A construction crew wants to hoist a heavy beam so that it is standing up straight. They tie a rope to the beam, secure the base, and pull the rope through a pulley to raise one end of the beam from the ground. When the beam makes an angle of 40 degrees with the ground, the ...
April 16, 2015

Science
are you sure or nah
March 13, 2015

physics
two blocks of each mass m=3.75kg are fastened to the ceiling of an elevator. If the elevator accelerates upward at 1.6m/s^2. Find the tension in T1 and T2 in each upper and lower rope
March 11, 2015

finite math
Suppose that a 4-digit pin number is to be formed with the digits in {0, 1, ,2 ,3 ,4 ,5, 6, 7, 8, 9}. What is the probability that the pin number contains at least 3 odd digits
March 10, 2015

finite math
After rolling a pair of fair, six-sided dice, what is the probability that the sum of the outcomes is at least 4 but less than 12? (Round your answer to the third decimal place)
March 10, 2015

math
a student in Greece discovers a poetry bowl that contains 28% of its original amount of c-14
March 10, 2015

science
A person brings a cup of hot tea which is 170 degrees F into a room that is 65 degrees F and places a metal spoon which is 65 degrees F into the hot tea What happens to the temp. of the hot tea,the spoon and the air in ten minutes?
February 26, 2015

Algebra 2
Realtors in a Florida community have found that the average price of a four bedroom house varies inversely with the distance that the house lies away from the beach. If, on average a four bedroom house located 2 miles from the beach cost $750,000, What is the average cost of ...
February 22, 2015

English
Could someone read my five sentence paragraph. Before I turn it in. Thank u. To prepare to host a party or an event. The first thing I would figure out the date and location. Then I would sat down and figure out a menu,the guest list,entertainment. I would also seek input and ...
February 22, 2015

English
Use a cliche in a sentence that you create. the sentence that I created is. My sister and I are so much a like that most people say we are " two peas in a pod". Did I do the sentence correctly
February 21, 2015

English
Can someone read my eight sentence paragraph. A high school diploma is very important to me. With a high school diploma I can show my children that your never to old to go back to school. Which will set a good example for my children to show them they need to follow their ...
February 21, 2015

math
I'm in grade 5 and I have a area and perimeter question. The area is 300mm2 and the width is 15mm, I need to know what the length is. Thanks for your time.:-)
February 10, 2015

math
srry. the question was I have a rectangular garden and I only have 24 meters of fence to go around it. so what is the largest area I can make the rectangular garden. thanks for your time and sorry for bothering! I just need help to figure this out.
February 9, 2015

math
the use format is: U:understand S:solve E:explain
February 9, 2015

math
how? im in grade 5 so I might not understand the language you use
February 9, 2015

math
I need it to be a rectangle
February 9, 2015

math
srry. the question was I have a rectangular garden and I only have 24 meters of fence to go around it. so what is the largest area I can make the rectangular garden. thanks for your time and sorry for bothering!
February 9, 2015

math
suppose im trying to build a rectangular garden but I only have 24 meters of fence to use. so what is the largest area I can make my rectangular garden? please help I don't get it! I have to use the USE format and I don't get the question can you just explain please?
February 9, 2015

Medical
Can some one please tell me all the: adjectives adverbs conjunctions nouns prepositions pronouns verbs - in this paragraph? please! Thank you. The patient was brought to the operating room and Bier block anesthesia was performed. The right upper extremity was prepped and ...
February 2, 2015

MATH
is 1 and 6/6 equal? and is 1/6 and 6/6 equal? i'm confused
January 22, 2015

physics
A daredevil decides to jump a canyon of width 12 m. To do so, he drives a motorcycle up an incline sloped at an angle of 14.2◦. The acceleration of gravity is 9.8 m/s2 . What minimum speed must he have in order to clear the canyon? Answer in units of m/s.
January 8, 2015

calc - yet another
If C is the curve y = x^2/2 + 1 from (0, 1) to (2, 3), then the line integral over C 3x ds = sorry for all the questions!
December 7, 2014

calc
If D is the solid region in the first octant bounded above by the paraboloid z = 1 − x2 − y2 and below by the xy-plane, the volume of D is: so i set this up integrating over dz dr dtheta and got pi/2 but the answer i spi/8
December 7, 2014

calc
4. Compute ∂z/∂r + ∂z/∂s if z = sin u cos v, u = (r + s)2, and v = (r − s)2.
December 7, 2014

calc
i figured this one out!
December 7, 2014

calc
3. If f(x, y)=5 − 4x3 + 8y2, find a unit vector ~u for which the directional derivative D~uf(1, 1) is zero. im not sure how to do this one
December 7, 2014

calc
ok so now i get that i did the integral wrong,. it should be 2e^t(sint+cost) but I get 2(e^pi -1) for sqrt2??
December 7, 2014

calc
I have another question (studying for finals, haha) Let ~r(t) = et cost ~i + et sin t~j be parametric equations of a curve C. Find the length of C from t = 0 to t = π. so the equation I am using is the integral from a to b (in thsi case 0 to pi) of the magnitude of r'...
December 7, 2014

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