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11th Grade

Grade 11th Maths
This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AUB=Ø, then prove that A=Ø,B=Ø

Grade 11th Chemistry
How many molecules of water and oxygen atoms are present in 0.9g of Water. this numerical is based on Mole Concept. Kindly solve it!!!

11th grade
Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22ºC) and 780 mm Hg of pressure.

11th grade
write an expression that represents the width of a rectangle with length x+5 anmd area x to the 3 power + 12x to the 2nd power+ 47x+60

11th grade
what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.

11th grade Algebra 2
For each of the following sets determine it the represent the side lengths of a right triangle? A. 5, 6.5, 7.9 B. 1.6, 1.2, 2 C. 5, 1.3, 1.5 D. 1.5, 2, 2.5

11th grade
On the issue of segregation, compare the views of Martin Luther King Jr. to those of Malcolm X.

11th grade Algebra 2
Marciella has a bag that contains 35 nickels and quarters. The total value of these coins is less than $2.50. What is the maximum number of quarters that meets these conditions?

11th grade Physics
What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?

11th grade Physics
What is the current produced by a 9-volt battery flowing through a resistance of 2 x 10^-4 ohms?

11th grade Physics
What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^-3 ohms?

11th grade Physics
What resistance would produce a current of 120 amps from a 6-volt battery?

11th grade Physics
What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?

11th grade English
The Book of "The Great Gatsby" Describe the "valley of ashes." What does it look like, and what does it represent?

11th grade Physics
What happens when an insulator is wired in parallel with the bulb? is the swich open or closed?

11th grade Physics
What happens when an insulator is wired in series with the bulb? Is trhe swich open or closed?

11th grade Physics
What happens when a conductor is wired in parallel with the bulb? Is the swich open or closed?

11th grade
ALACRITY,ALCHEMY,ECCENTRIC,EFFICACY, INSURGENCY,INTEGRITY,PENITENT,PENTECOSTA​L, RESOLUTE,RESONATE. i need analogies for these words. any help??

11th grade
how much current flows in a 12-watt radio connected to a 120-volt circuit.

11th grade
convert into moles 1.44*10^25 atoms C = ? moles C

11th grade economics
Why is it that the reward for capital is interest? I don't get how the business is rewarded interest, isn't it the banks?

11th grade
Why is square root of x squared = absolute x? Is it because absolute x = -x and x?

11th grade Physics
A car does 6.0 104 J of work in traveling 2.6 km at constant speed. What was the average retarding force (from all sources) acting on the car?

11th grade English
What is the timeline of chapters 13 through 18 of The Scarlet Letter? Please i need this by Tomorrow.

11th grade
What do you call a female bug that floats? it has to do with algebra. It shows you solutions and graphs. the graphs have letters in front of them so you can try and figure out what the answer is.

11th grade
I'm doing The Ambiguos case of triangles given SSA. My givens are a=6; b=7; alpha=30 degrees. how do I know if there's 2 triangles?

11th grade
Angle QRS is a straight angle. If a=2c, c=2b, and b=d/3, what are the values of a,b,c,and d? a+b+c+d = 180

11th grade
I am having trouble understanding pronouns, predicate nominatives, direct objects, indirect objests, and object of prepostion. I don't know how to tell them apart. What's an easy way to undertstand them?

11th grade
What were the diverse purposes of England's American colonies and how were these purposes altered in early years of settlement?

11th grade
A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s. (a) Calculate the centripetal acceleration of the child.

11th grade
A child sitting 1.08 m from the center of a merry-go-round moves with a speed of 1.20 m/s. (a) Calculate the centripetal acceleration of the child.

11th grade
A diamond contains 0.090 moles of carbon what is the mass of the diamond

11th Grade
Well, then what's the best homework website for tutors who work via e-mail, so that they can take a look at my art and help me?

11th grade
what was the most major turning point which marked the changing relationship between american colonists and the british which sparked the start of the revolutionary war

11th grade
Is malleability an extensive property or an intensive property? Explain.

11th grade
what is the density of an 84.7g sample of an unknown substance if the sample occupies 49.6cm3

11th grade
Can some one help me and give me the answers for the questions in the book hornbill of the lesson discovering tut: the saga continues?

11th grade
What were the diverse purposes of England’s American colonies and how were those purposes altered in the early years of settlement?

11th grade
how human body mentain its posture in two legs while animals have not

11th grade
how do you predict this product? hydrogen gas + oxygen gas -->

11th grade Algebra 2/ Trig
The expression log 10^(x+2)- log 10^x is equivalent to???

11th Grade chemistry
How to get pure gold from impure gold..please specify the chemical equation.. any example is fine,e.g. AuCl3 -> Au

11th grade
Andrew claims that a wooden bookend in the shape of a 45°- 45°- 90° right triangle has side lengths of 5 in., 5 in., and 8 in. Is he correct? If so, show the work and if not, show why not.

11th grade
during what holiday did german and english soldiers observe an informal truce they shared their food buried theri dead and sang together

11th grade
hi, i am haveing prob;ems with my math its called solving the quadratic equation but my teacher is not really giving me the attention i need to pass the class but will you help me please

11th grade
what were knights social status and daily lives like?? its kind of confusing how this site puts it to me please help me understand..

11th grade
what were the most significant tecchnological innovations of the medieval period? need help this subject kills me!!!!!!

11th grade
does anyone know anything about the muslim culture and there dress.do they do it voluntary?do we as westerners have any issues with their dress? because i dont! help is needed right now! please help me!!!!

11th grade
im writing this essay for an european history class. i've already started it but i just need help adding in deatails on the caliphate. like, why did it decline? and what were the results of this? please help me!!!!!!!!

English 11th grade level
Whaat was on santiago's small line in old man and the seaa?

11th grade
what is the difference between a student loan, a grant and a scholarship and how would you go about applying for each of them.

11th grade ETHICS
Compare and contrast absolute and relative approaches on culture and morality. PLEASE HELP I AM SOOOO STUCK !!

11th grade physics
is there physics in football

11th grade
where can i find a simple map of the original 13 colonies showing french and spanish territories

11th grade
your pet dog runs around in circles, chasing his tail. Does this mean acceleration?

11th grade
does any one know anything about persian calendars how do they count years and anything at all

11th grade
use a graphic organizer like the one below to compare the most powerful parts of the british and french governments

11th grade u.s. history
Describe the Puritians. What were their beliefs? Why did they leave England? What did they accomplish in the new world? ANY HELP IS APPRECIATED.

AP classes
I am taking an AP class for the first time. How does this differ from regular classes and what should I expect. (11th grade)

11th Grade US History
Why was James A. Garfield assassinated? What was the motive of the assailant(Charles Guiteau) What was the effect of the assassination on the American public?

pre calc
Is there any complex numer that is equal to its conjugate? a+bi=a-bi????? precalc 11th grade a+bi=a-bi ---> 2 bi = 0 ---> b = 0 So, the imaginary part has to be zero.

Chemistry 11th Grade
Nitrogen form five compound with oxygen in which 1.0 g of nitrogen combines with 0.572,1.14,1.73,2.28 and 2.85g of oxygen respectively .show dis figure agree with law of multiple proportion.

College - Unweighted GPA
On my college application, am I supposed to give my GPA for my senior year only or my total GPA? On my college application: What was your unweighted high school GPA (grade point average)? Please enter a value between 0.00 and 4.00. If you are still in high school, enter your ...

regents
I have to take the Regents exam, but there are a great number of math regents exams. If I am in 11th grade,which one should I take??plz help , this is urgent! !😣

math
The students at Millerville High School were surveyed about their favorites type of music. The results are in the table. to the nearest whole percent, what percent of the students who chose country as their favorite are in 9th grade? a.63%,b.39%,c.24%,d.20% Favorite type of ...

11th grade physics
A parallel condenser of 0.8F is to be constructed using sheets of tin foil each 30cm.25cm and separated by a paraffin waxed paper 0.015cm thick of dielectric constant Find how many sheets of metals are required?

11th grade physics
An electron is placed in a vertical electric field directed upward and of intensity E=5v/m. Compare the weight of the electron to the electrostatic force to which it is submitted. Deduce. Gravitational field strength: g=9.8m/s^2 Thanks.

11th grade physics
Four identical positive charges q are placed at the four vertices of a square of side a. Determine the electric field: A) at the center of the square B) at the midpoint of one of its sides

11th grade physics
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A creates at O an electric field of strength E=9×10^6 V/m. Determine the resultant electric field at O when:  a) q'=q  b) q'=-q

11th grade physics
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A creates at O an electric field of strength E=9×10^6 V/m.  Determine the resultant electric field at O when:  a) q'=q  b) q'=-q Thanks

11th grade physics
Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A creates at O an electric field of strength E=9×10^6 V/m. Determine the resultant electric field at O when: a) q'=q b) q'=-q

11th grade physics
Multiple choice (show your work if any):  1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two points A and B 40 cm apart.   The electric field is null at a point C outside [AB] such that :  a) AC=50cm b) AC=30cm c) AC=20cm d) point C does not ...

Science Fair Project
Is this Science Fair Project that I am doing a 9th or 11th grade project.... Up,Up, and Away in your own Hot-air ballon !Search up this Project and then tell me!

11th Grade Geometry
A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the telephone pole, to the nearest inch? (1 yd = 36 in., and 1 ft = 12 in.)

11th grade math
in triangle DEF,<D=50 degree, DE=14 meters, and DF=10 meters. find the area of triangle DEFto the nearest tenth of a square meters

Physics 11th grade
1) A racing car has a mass of 1525 kg. What is its kinetic energy if it has a speed of 35 m/s? 2) How much potential energy does Tim,with mass 60.0 kg, gain when he climbs a gymnasium rope a distance of 3.5 m? -Benchmark Review-

statistics
sing the 95% confidence level and the 11th grade male writing scores in the Class Data file, you would expect the lower end of the confidence interval to be approximately what value?" Answer

English 11th grade
Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. Please get to bed early since you have a test tomorrow.

Chemistry (11th grade)
we have the following equation- 2HCl+CuSO4 yields H2SO4+CuCl2. the question is if 7 moles of HCl react, how many moles of H2SO4 will be produced?

c++
Write a program that asks the user to input a grade that he or she received on an exam. The grade is an integer from 0 to 100 inclusive. The program should convert the numeric grade into the equivalent letter grade. Do the conversion by using a function Letter_Grade () that ...

11th grade algebra 2
(1-7) write each function in vertex form (8-10) write each funtion in standard form? 1) Y=x^2+3x-10 2) Y=x^2-9x 3) Y=X^2+x 4) Y=x^2+5x+4 5) Y=4x^2+8x-3 6) Y=(3/4)x^2+9x 7) Y=-2x^2+2x+1 8) Y=(x-3)^2+1 9) Y=2(x-1)^2-3 10)Y=-3(x+4)^2+1

english/11th grade
He responds whenever he is called. In this sentence the Adverb clause is: whenever he is called and the Subordinating conjunction is: whenever what is the word modified? how can i figure out which word it is?

Physics 11th Grade
Ninja usually weighs 80 kg. He ate 5 kg of cookies over the Holiday Break: a. What is his weight? and B. How can ninja use physics to lose weight?

11th grade
4. The use of technology such as telephones and computers means that money exchanges and other financial transactions can be a. based on the U.S. dollar all over the world. b. converted to prices in any currency. c. made instantaneously. d.sensitive to variations in any ...

11th grade
a race car travels along a raceway at a constant velocity of 200 km per hour.what horizontal force acts and what is the net force acting on the car?

11th grade
A resonating glass tube closed at one end is 4.0 cm wide and 47 cm long. What are the frequencies of the first three harmonics for the resonating tube? The speed of sound in air at this temperature is 346 m/s.

11th grade
A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 4 inches across at its opening and is 3 inches deep, where will the collected light be concentrated?

11th grade
A thunderstorm has an electric field one night of 1.5 105 N/C. What is the magnitude of the electric force on an electron in such a field?

11th grade
mr.reyes's geometry class built kites.of the 32 students in class, 87.5% of the kites flew.of the remaining kites, 75% of kites were unfinished.how many kites were finished but did not fly?

11th grade pre ap physics
An athlete whirls a 7.00 kg hammer tied to the end of a 1.1 m chain in a horizontal circle. The hammer makes one revolution in 0.9 s. What is the tension in the chain?

11th grade
Joe wants to draw a triangle.the lengths are 5cm,12cm,and 13cm. A:will joe be able to draw the triangle?why or why not?

11th grade
a rock is dropped from a 20.0m bridge falls into the river below. a.)at whqat velocity does it strike the water? b.)how much time did the rock take to reach the water?

11th grade
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.17 x 10^6 m/s. find the central force acting on the electron as it revolves in a circular orbit of radius 5.42 x 10^-11m.

11th grade
so I have this problem and I don't know what numbers to multiple and whatnot. Can someone help me? This is the problem: 4000 g Fe2O3* 1mole Fe2O3/159.68 gFe2O3* 3mole CO2/1mole Fe2O3

11th grade
a 1000 kg car has a motor that exerts 1500 N of force to move it forward. a frictional force of 400 N opposes it's forward motion. calculate the acceleration of this car

11th grade
A balloon at contains 0.5 L of gas at a constant pressure of 1.0 atm. If the pressure is increased to 3.0 atm, what will be the volume of the gas?

11th grade
A 625-kg racing car completes one lap in 14.3 s around a circular track with a radius of 50.0 m. The car moves at constant speed. (a) What is the acceleration of the car?

11th grade
which ons is stronger 1)A solid cylinder of 2)A hollow cylinser of iron 3) A cylinder made up of slits of iron

Physics 11th grade
I have to determine the muzzle velocity of a toy gun by treating it as a horizontal projectile. What could be a possible hypothesis when a toy gun is shot 5 meters away from the bucket and the ball which was loaded in it is supposed to fall in?

11th grade physics
how high above the surface of the Earth would an object need to be for its weight to be half its weight on the surface?

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