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Questions Asked on March 13, 2013

1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number.a. 1,256 ft2 b. 4,189 ft2 c.
1. 63 answers
2. asked by Alexa
3. 33,759 views
Read the following excerpt from “All Together Now”:What can parents do? We can put our faith in young people as a positive
1. 2 answers
2. asked by derek
3. 692 views
Can you help me with the ten words to fill in each blank on Improving Vocabulary Skills Chapter 13, 14, 15, 16, 17 for the Final
1. 15 answers
2. asked by Divine0324
3. 5,859 views
Dogs cats and donkeys had a tug of war.four cats tied with three dogs.two donkeys tied with six dogs .which side won when one
1. 2 answers
2. asked by Pietro
3. 592 views
Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out
1. 1 answer
2. asked by Shay
3. 999 views
Given: segment BD bisects angle ABC; AB=BC. Prove: triangle ABD congruent to triangle CBD
1. 1 answer
2. asked by Constance
3. 2,175 views
The Newox Company is considering whether or not to drill for natural gas on its own land. If they drill, their initial
1. 0 answers
2. asked by Anonymous
3. 518 views
Problem 2Build-Rite construction has received favorable publicity from guest appearances on a public TV home improvement
1. 1 answer
2. asked by Anonymous
3. 1,075 views
A ball on the end of a string is whirled around in a horizontal circle of radius 0.33 m. The plane of the circle is 1.21 m above
1. 0 answers
2. asked by Mike Undi
3. 611 views
How many strips of paper 4inches long and 1 inch wide can be cut from a piece of paper 8 inches long and 6 inches wide
1. 2 answers
2. asked by Zack
3. 624 views
Problem 1Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico.
1. 0 answers
2. asked by Anonymous
3. 808 views
I need 1L of a pH 4 buffer with a total molarity of 1. Propose a buffer system and a recipe to achieve this goal. (acetic
1. 1 answer
2. asked by Ashley
3. 377 views
I need 1L of a pH 4 buffer with a total molarity of 1. Propose a buffer system and a recipe to achieve this goal. (acetic
1. 1 answer
2. asked by Ashley
3. 379 views
A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the
1. 1 answer
2. asked by Anna
3. 462 views
A force is applied to a door at an angle of 56.8° and 0.34 m from the hinge.a) What force produces a torque with a magnitude of
1. 1 answer
2. asked by Mike
3. 960 views
2H2O --> 2H2 + O2if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?
1. 1 answer
2. asked by Christie
3. 631 views
A field trip costs $8.50 per student. If 125 students are going on the trip and a total of $1011.50 has already been collected,
1. 1 answer
2. asked by Joe
3. 425 views
A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containingA. 1.0 mole of H2 B.
1. 3 answers
2. asked by Brandi
3. 926 views
A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containingA. 1.0 mole of H2 B.
1. 2 answers
2. asked by Brandi
3. 4,436 views
1. What is the simplified form of squared root 140?A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the
1. 45 answers
2. asked by Jim
3. 22,467 views
Last semester, a certain professor gave 36 As out of 390 grades. If one of the professor's students from last semester were
1. 2 answers
2. asked by Tan
3. 608 views
a book is 240 mm in width. What is this width in centimeters? in meters?
1. 1 answer
2. asked by Toby
3. 680 views
2H2O --> 2H2 + O2if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?
1. 1 answer
2. asked by Christie
3. 991 views
Rewrite each of the following run-ons.1). Originally, humans domesticated animals for transportation the first animals to be
1. 0 answers
2. asked by Anonymous
3. 523 views
what do we need to consider when choosing a solvent to heat under reflux?Would one be the boiling point of the solvent?
1. 1 answer
2. asked by Anonymous
3. 576 views
How many degrees,in total,does the minute hand turn in one day ?
1. 1 answer
2. asked by Anna
3. 387 views
How many angles does a hexagon have
1. 2 answers
2. asked by Nina
3. 352 views
What is the simplified form of square root 48n^9?I think the answer is: 3n square root 4n^8. Thank You
1. 37 answers
2. asked by Jim
3. 7,562 views
volume of cone varies jointly as square of its radius and its height if volume of a cone is 27pie cubic inches when radius is 3
1. 1 answer
2. asked by leslie
3. 6,077 views
Ron's car has a 12-gallon gas tank. If gas costs $1.45 per a gallon, how much will it cost to fill the tank?
1. 2 answers
2. asked by ashanti
3. 468 views
A tyre manufacturer has chosen 48 tyres at random from a production line and issued them to taxis for testing. Assume that the
1. 2 answers
2. asked by Bella
3. 503 views
Consider the Linear demand function Q = 20 - 0.5Pc- Using calculus, find the level of output, Qrmax, where total revenue reaches
1. 2 answers
2. asked by alejandro guzman
3. 1,011 views
An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a
1. 0 answers
2. asked by Anonymous
3. 822 views
Which radical expression is in simplified form?A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root
1. 5 answers
2. asked by Jim
3. 2,439 views
location inpatient hospital patient russell shergrud attending physician gregory dawson,md preprocedured diagnosis acute
1. 0 answers
2. asked by LaDonna
3. 487 views
What is the change in enthalpy when 17.0 g of liquid mercury is heated by 31°C?
1. 1 answer
2. asked by Mike
3. 331 views
How do I factor out the greatest common monomial factor?1) 9m^7 - 3m^2 2) 12a^5 + 8a 3) I need to describe and correct the error
1. 1 answer
2. asked by Scott
3. 1,306 views
I need to solve these equations :1) 5w^2 - 5w = 0 2) 2x^2 + 15x = 0 3) -32y^2 - 24y = 0 4) 6h^2 = 3h 5) -42z = 14z 6) -12p^2 =
1. 1 answer
2. asked by Scott
3. 475 views
Allison has a set of letter block each block is a unit cube. What is the volume of the figure she can build out of only
1. 1 answer
2. asked by Anonymous
3. 442 views
I need to factor out the greatest common monomial factor:1) 20x^2y^2 - 4xy 2) 18s^2t^5 - 2s^3t 3) -2g^4 +14g^2 + 6g
1. 0 answers
2. asked by Scott
3. 499 views
2NO(g)+O2(g)<->2NO2(g) has KP = 2.77 × 1011 at 25 °C. Suppose a mixture of the reactants is prepared at 25 °C by transferring
1. 4 answers
2. asked by Peter
3. 508 views
A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits
1. 2 answers
2. asked by Kit
3. 1,116 views
Six standard six-sided die are rolled. Let p be the probability that the dice can be arranged in a row such that for 1\leq k
1. 2 answers
2. asked by John
3. 587 views
Determine the largest positive integer N, such that given any N-gon (not necessarily convex), there exists a line (infinitely
1. 0 answers
2. asked by John
3. 465 views
Let S = \{ 1, 2, 3, \ldots 12\} and T_1, T_2, \ldots T_a be subsets of S such that T_i \not \subset T_j \, \forall i \neq j .
1. 0 answers
2. asked by John
3. 767 views
Given the system of equations \begin{cases} x(x+y) &=& 9 \\ y(x+y) &=& 16 \end{cases}the value of xy can be written as
1. 0 answers
2. asked by John
3. 352 views
how does the water cycle ensure that we have water.
1. 6 answers
2. asked by nyamka
3. 2,134 views
Suppose f(x) and g(x) are non-zero polynomials with real coefficients, such that f(g(x))=f(x)\cdot g(x). If g(2)=37, what is
1. 4 answers
2. asked by John
3. 598 views
Let \phi(n) be the Euler Phi Function. If 1 \leq n \leq 1000, what is the smallest integer value of n that minimizes
1. 1 answer
2. asked by John
3. 975 views
Find the largest possible real value of\sqrt{(x-20)(y-x)} + \sqrt{(140-y)(20-x)} + \sqrt{(x-y)(y-140)} subject to -40\leq x \leq
1. 2 answers
2. asked by John
3. 591 views
Consider all three-digit numbers that are greater than the sum of the squares of their digits by exactly 543. What are the last
1. 0 answers
2. asked by John
3. 403 views
What is the sum of all the possible values of a for which 25x^2 + (a-15)x + 9 has exactly one distinct real root?
1. 0 answers
2. asked by John
3. 408 views
A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits
1. 0 answers
2. asked by Sam
3. 1,003 views
A man is standing on a cliff and throws a ball outward 50m/s at an angle of 53 degrees. It hits the base of the cliff in 10
1. 0 answers
2. asked by Sam
3. 504 views
How many ordered pairs of solutions (a, b) are there to \frac{a}{b} - \frac{b}{a} - \frac{2}{a} - \frac{2}{b} = 0, where a and b
1. 0 answers
2. asked by John
3. 427 views
If f(x) = 2x + 5 and g(x) = 8-3x^2, what is the value of f(g(4)) - g(f(4))?
1. 0 answers
2. asked by John
3. 364 views
a rock is thrown witha velocity of 20 meters per second from the top of a 24 meter high cliff and it misses the cliff on the way
1. 0 answers
2. asked by Anonymous
3. 408 views
ABC is a non-degenerate triangle such that 2\sin \angle B \cdot \cos \angle C + \sin \angle C = \sin \angle A + \sin \angle B,
1. 0 answers
2. asked by John
3. 1,169 views
Joe picks 2 distinct numbers from the set of the first 14 positive integers S = \{1,2,3,\ldots,14\}. The probability that the
1. 1 answer
2. asked by John
3. 624 views
You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10~m/s^2. What is the
1. 1 answer
2. asked by John
3. 1,195 views
A charged particle with a charge-to-mass ratio of |q|/m = 5.7 × 108 C/kg travels on a circular path that is perpendicular to a
1. 0 answers
2. asked by shannon
3. 500 views
a and b are integers that satisfy: \displaystyle \lim_{x \to 1} \frac{x-1}{x^2-ax+b} = -\frac{1}{3}. What is the value of a+b?
1. 0 answers
2. asked by John
3. 386 views
Given f(x) = x^4 + 6x^3 - 15x + 7, evaluate \displaystyle \lim_{h \to 0} \frac{f(1+h) - f(1-h)}{h}.
1. 1 answer
2. asked by John
3. 3,332 views
How many distinct prime factors does 100100 have?
1. 0 answers
2. asked by John
3. 308 views
In a certain positive fraction \frac{a}{b} , the numerator is 2 less than the denominator. If the numerator and denominator are
1. 0 answers
2. asked by John
3. 522 views
In distinct odd-town, the inhabitants want to number their houses with 3-digit positive integers that are odd, which have all
1. 1 answer
2. asked by John
3. 941 views
7 points are placed in a regular hexagon with side length 20. Let m denote the distance between the two closest points. What is
1. 2 answers
2. asked by John
3. 399 views
Given f(x) = \frac{x^3-2x+5}{x+4} and f’(3) = \frac{a}{b}, where a and b are coprime positive integers, what is the value of
1. 0 answers
2. asked by John
3. 475 views
A train driver is driving along and he suddenly puts on the brakes. After he holds the brakes for t seconds, the train's sliding
1. 0 answers
2. asked by John
3. 456 views
You are holding onto a 100 kg basket of fish hanging over the side of a boat. What is the minimum force in Newtons you need to
1. 1 answer
2. asked by John
3. 347 views
An aluminum ring of radius 5.00 cm and resistance 2.00 10-4 Ω is placed around the top of a long air-core solenoid with 997
1. 1 answer
2. asked by Kyle
3. 3,279 views
Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.
1. 1 answer
2. asked by manny
3. 569 views
Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500
1. 1 answer
2. asked by John
3. 642 views
1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number.a. 1,256 ft2 b. 4,189 ft2 c.
1. 8 answers
2. asked by Destiny
3. 1,225 views
Can you help me with a short interpretation for this poem? "A Voice" by Pat Mora.
1. 1 answer
2. asked by manny
3. 536 views
A magic tank starts out 4 inches in length, 4 inches wide, and 12 inches deep. As the tank is filled, it magically expands
1. 0 answers
2. asked by John
3. 680 views
Is it ethical/unethical to use human cadavers to test out weapons and used them as crash test dummies?
1. 3 answers
2. asked by kelly
3. 471 views
what is the probability that two dice numbered 1-6 will roll 7
1. 1 answer
2. asked by bones
3. 340 views
Use activity coefficients to find the concentration of hydrogen ions in a solution of 65.0 mM butanoic acid and 0.01 M NaCl. The
1. 1 answer
2. asked by Jessica
3. 764 views
The length of a rectangle is 5 ft greater than 4 times its width. The area is 369 sq ft . What is the length?
1. 1 answer
2. asked by Joana
3. 1,092 views
A convex mirror with a radius of curvature of 34.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.5 cm behind the
1. 0 answers
2. asked by Brandon
3. 473 views
A concave shaving mirror has a radius of curvature of 28.0 cm. For each of the following cases, find the magnification and
1. 0 answers
2. asked by Brandon
3. 727 views
Consider a capacitor made of two square plates of side 'l' . The distance between the two plates is 'd'.a) We insert a
1. 0 answers
2. asked by Phy
3. 428 views
James uses a measuring wheel to find the length of a cross-country race course he holds the handle and rolls the wheel along the
1. 4 answers
2. asked by Jaiden
3. 464 views
what is the momentum of a 0.60 g bumble bee flying at 15km/h
1. 1 answer
2. asked by Daniel
3. 603 views
H3BO3 -> H+ + H2BO3-Why doesn't H3BO3 break down to something with H3O+ because it is a weak acid? I know many weak acids break
1. 1 answer
2. asked by Anon
3. 1,116 views
A hurricane is a very powerful storm. It is a cyclonic storm, which means that it has a circular pattern within the hurricane
1. 0 answers
2. asked by Kaylene
3. 563 views
An electric force moves a charge of +1.85 10-4 C from point A to point B and performs 6.70 10-3 J of work on the charge.(a) What
1. 1 answer
2. asked by Anonymous
3. 815 views
A hurricane is a very powerful storm. It is a cyclonic storm, which means that it has a circular pattern within the hurricane
1. 0 answers
2. asked by Kaylene
3. 745 views
The internal energy change in a system that has absorbed 4 Kcals of heat and 1000 J of work is:
1. 1 answer
2. asked by Miko
3. 425 views
A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.43 mm and the inner radius
1. 1 answer
2. asked by P
3. 789 views
Location A is 3.40 m to the right of a point charge q. Location B lies on the same line and is 4.50 m to the right of the
1. 1 answer
2. asked by Anonymous
3. 574 views
A very long cylindrical capacitor consists of two thin hollow conducting cylinders with the same axis of symmetry. The inner
1. 1 answer
2. asked by P
3. 533 views
how many ways can you line up 11 people for a picture?
1. 0 answers
2. asked by Regina
3. 1,109 views
If you multiply 100!*200!*300!, how many 0s are there?
1. 0 answers
2. asked by K
3. 271 views
consider the minimum payment you just calculated determine the amount of interest and the amount that was applied to reduce the
1. 0 answers
2. asked by Regina
3. 358 views
Consider a capacitor made of two square plates of side l. The distance between the two plates is d .(a) We insert a dielectric
1. 2 answers
2. asked by P
3. 529 views
A mass spectrometer is used to examine the isotopes of uranium. Ions emerge from the velocity selector at a speed of 3.00 x 10^5
1. 1 answer
2. asked by John
3. 2,040 views
A certain coaxial cable consists of a copper wire, radius a , surrounded by a concentric copper tube of inner radius c . The
1. 1 answer
2. asked by P
3. 1,284 views
What difference is there between the downward velocities of the skydiver who jumped out of the helicopter (with no forward
1. 1 answer
2. asked by cianaa
3. 1,649 views

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