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ANON

Questions and answers by visitors named ANON

Questions (65)

Let K be a discrete random variable that can take the values 1 , 2 , and 3 , all with equal probability. Suppose that X takes
1. 5 answers
2. asked by ANON
3. 2,440 views
does anyone know any good sites about the spanish armada that explains it simply. i need to write an essay about why it failed
1. 2 answers
2. 491 views
does anyone know any science revision games about mr mcluthon i need to use it for my revision but can`t find them . thanks
1. 1 answer
2. 436 views
Please could someone help me i need to write an essay about airbuses.These are the questions i need to write my essay about.
1. 3 answers
2. 596 views
i forgot to mention i need some photos of the airbus factory in Broughton Chester. i can`t seem to find any.thankyou
1. 5 answers
2. 533 views
what is the definition of1/ portable drill 2/ pillar drill 3/countersink 4/pilot hole thanks for your help
1. 4 answers
2. 528 views
is a portable drill the same as a cordless drill? i`m confused i don`t know if they are the same or different.
1. 2 answers
2. 513 views
If you had used a different mass of magneisium metal would you expect the empirical formula of the compiund to be the same?
1. 3 answers
2. 767 views
what is the difference between acid base reaction and oxidation reaction
1. 1 answer
2. 342 views
why would ca+ and co+ form soluble salts?
1. 1 answer
2. 291 views
Distinguish between polar bonds and polar molecules.
1. 1 answer
2. 400 views
explain 1) Ion-Ion2) Ion-Dipole 3) Dipole-Dipole 4) Dipole-Induced dipole 5) Induced dipole-Induced dipole
1. 1 answer
2. 338 views
Explain why H2O and NH3 are both dipole-dipole interactions yet H2O boils at a significantly higher temperature.
1. 1 answer
2. 695 views
Explain solvation and/or hydration
1. 1 answer
2. 284 views
Explain in glorious detail the difference between H2O and H2S
1. 1 answer
2. 310 views
In nonpolar molecules what part does Molecular Weight play in the strength on their intermolecular forces?
1. 1 answer
2. 349 views
Explain how micelles and more complex solutions work. Consider all Solute-solute, Solvent-solute and Solvent-solvent
1. 2 answers
2. 581 views
Factors which effect reaction rates. 1) Concentration 2) Temperature 3) Presence of a Catalyst 4) Surface area 5) OrientationYou
1. 2 answers
2. 632 views
A HELICOPTER hovering above a forest fire dumps a large bucket of water. How far does the water fall in the first 3.0 secondst=3
1. 2 answers
2. 668 views
Joseph invested 3/4 of his lottery winnings to a corporate bond which gives a simple 8% interest after 1 year, and the rest he
1. 3 answers
2. 390 views
I solved the equation below and got an answer of 9+-sqrt(57) but i don;t belive this is correct. help please.5-sqrt(8x+1)=x
1. 2 answers
2. 514 views
sovle the following equation8/x-1=9/(x)(x+2) i know the answer is -1,7 but how?
1. 1 answer
2. 303 views
In how many ways can you express the number 2003 as a sum of two prime numbers?A) 1 B) 2 C) 3 D) 4
1. 3 answers
2. 440 views
An empty truck weighs 2000 kg. After the truck was loaded, freight made up 80% of the weight of the loaded truck. At the first
1. 2 answers
2. 562 views
The combined capacity of a bottle and a glass is equal to the capacity of a pitcher. The capacity of a bottle is equal to the
1. 3 answers
2. 1,254 views
have 0.0114 mole of Cu(OH)2 (s) a gelatinous precipitate. After heating, and converting all of it to CuO(s) wash the solid as a
1. 1 answer
2. 374 views
f(x)=2+4x-x^2 when x is less than 2thus f-1(x)=2-sqrt(-x+6) i need to show that f(f-1(x))=x, but i keep getting negative x...any
1. 2 answers
2. 678 views
I am stuck on this one problem and think it might be the teachers typo but don't want to point it out without being sure. You
1. 1 answer
2. 307 views
A town has population 225 people at year t=0. Write a formula for the population, P, in year t.a) grows by 10% per year I don't
1. 2 answers
2. 1,072 views
Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a
1. 2 answers
2. 588 views
Let ABCD be a cyclic quadrilateral. Let P be the intersection of \overline{AD} and \overline{BC}, and let Q be the intersection
1. 1 answer
2. 943 views
A solution with a pH of 7 has a [OH1-] of?1 x 10-7 M?? Is that correct
1. 5 answers
2. 818 views
A solution with a pH of 7 has a [OH1-] of?0M or 7M???????????????????
1. 1 answer
2. 323 views
Henry Clay:What did they say about their hopes for the future of the United States? How did they work to help change the United
1. 5 answers
2. 1,067 views
What is the momentum of a two-particle sys- tem composed of a 1300 kg car moving east at 60 m/s and a second 1500 kg car moving
1. 3 answers
2. 910 views
Mixed Rationals:Solve these question in two or three steps: 879 + 47/22 4591 - 133/61 -1 + 17/13 -68 - 18/7 -1297 + 763/512
1. 4 answers
2. 664 views
The vector signs are above each letter (I just don't know how to show it that way)A= 145 units @ 190 deg. B= 75 units @ 288 deg.
1. 3 answers
2. 451 views
The vector signs are above each letter (I just don't know how to show it that way)A= 145 units @ 190 deg. B= 75 units @ 288 deg.
1. 1 answer
2. 451 views
A tank in the shape of a right circular cylinder is filled with water (62.5 lb/ft3). It has a height of 8 ft and a diameter of
1. 4 answers
2. 3,702 views
The region in the first quadrant bounded by the 𝑦-axis and the curve 𝑥 = 2𝑦2 − 𝑦3 (graph please) is revolved about
1. 2 answers
2. 571 views
A region is bounded by y=2x and y=4sqrt(x). Find the volume when rotated along1)y=-1 2)the y axis
1. 2 answers
2. 516 views
A tank in the shape of a right circular cylinder is filled with water (62.5 lb/ft3). It has a height of 8 ft and a diameter of
1. 1 answer
2. 684 views
A tank in the shape of a right circular cylinder is filled with water (62.5 lb/ft3). It has a height of 8 ft and a diameter of
1. 2 answers
2. 849 views
Evaluate the integral using u substitution((y^3)/((1-y^2)^2))dy
1. 1 answer
2. 413 views
Integrate 1/(x(x^2+1)) dxusing trig substitution
1. 1 answer
2. 456 views
Solve the integral using trig substitution (1/((x)(x^2+1)))dx
1. 1 answer
2. 363 views
Does the sequence converge? Work outa=-1^n
1. 1 answer
2. 317 views
Is the following series convergent? explain((2n)!)/((n!)(4^n))
1. 1 answer
2. 278 views
Series converges? or diverges? Which test? explain?(-1)^n * (4n^3) ------------(fraction) (n^4) + 1
1. 2 answers
2. 490 views
Sum?from n=3 to infinity ((2)/(n+1)-(2)/(n+3))
1. 1 answer
2. 291 views
Series converges? or diverges? Which test? explain?(n^10) * (3^n) ------------(fraction) (4^n) from n=1 to infinity
1. 1 answer
2. 359 views
Does the series converge or diverge? Use the comparison test. Thank you((1/n)-(1/n^2))^n
1. 2 answers
2. 525 views
Does the series converge or diverge? Use the Root test((1/n)-(1/n^2))^n
1. 1 answer
2. 408 views
Does the series converge? diverge? Use the Root test((1/n)-(1/n^2))^n
1. 1 answer
2. 399 views
Find, correct to the nearest degree, the three angles of the triangle with the given vertices.A(0, 1, 3), B(-2, 4, 5), C(1, 4,
1. 3 answers
2. 1,263 views
Write the equation of the sphere in standard form.x2 + y2 + z2 + 4x − 2y − 2z = 19
1. 4 answers
2. 3,166 views
Find the rectangular coordinates of the point, whose cylindrical coordinates are given.(a) (4, π/4, 1) (x, y, z) = (b) (6,
1. 1 answer
2. 612 views
Write the equations in cylindrical coordinates.(a) 3z = 2x^2 + 2y^2 (b) 7x^2 + 7y^2 = 4y
1. 1 answer
2. 506 views
Change from rectangular to cylindrical coordinates. (Let r ≥ 0 and 0 ≤ θ ≤ 2π.)(a) (3, −3, 2) (b) (−2, −2sqrt3, 5)
1. 3 answers
2. 1,689 views
Find the rectangular coordinates of the point, whose cylindrical coordinates are given.(a) (4, π/4, 1) (x, y, z) = (b) (6,
1. 3 answers
2. 775 views
Block A, with a mass of 10 kg, rests on a 36.9° incline. It is attached to a string that is parallel to the incline and passes
1. 4 answers
2. 591 views
Fill in the blanks correctlyObservation - hypothesis - theory - law 1. A system of ideas or principles which are a set of
1. 2 answers
2. 587 views
I got the answers already and correct me if I am wrong. I just need help finding the mean and standard deviation for section B.A
1. 2 answers
2. 648 views
If your mass is 84 kg , find your acceleration.
1. 4 answers
2. 2,221 views
The random variable K is geometric with a parameter which is itself a uniform random variable Q on [0,1]. Find the value
1. 2 answers
2. 731 views

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