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Questions Asked in 2012

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January 2012
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Most Popular Questions

Write a debate on the topic;Boys should not help in the kitchen.Speak for or against the motion.
1. 117 answers
2. asked by Vanessa
3. 68,282 views
Essay: How I surprised my friend on her birthday part.A birthday party is the one day a year, which is very special and unique
1. 26 answers
2. asked by Silika
3. 47,353 views
solve each inequality.1. m – 7 < 6 (1 point) m < –1 m > 1 m < 13 m < –13 2. y + 5 ≥ 7 (1 point) y ≤ 2 y ≤ 12 y ≥ 2
1. 231 answers
2. asked by Lauran
3. 41,653 views
Which set represents a Pythagorean triple?27, 38, 42 33, 44, 55 35, 38, 42 68, 72, 81 Which number completes the Pythagorean
1. 71 answers
2. asked by geny
3. 30,512 views
Write the following ratio in simplest form.32 : 36
1. 19 answers
2. asked by Jman
3. 29,913 views
Josie’s project was a failure, having not prepared properly.Is it a: misplaced modifier dangling modifier correct
1. 5 answers
2. asked by Deb
3. 28,764 views
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1
1. 106 answers
2. asked by LILLY
3. 28,519 views
1. Identify the part, whole, and percent in the following statement: Find 15% of 750.a. part = 750, whole = n, percent = 15 b.
1. 81 answers
2. asked by Jman
3. 28,056 views
1.Terre Haute to Indianapolis to Bloomington measures 3 cm on the map. What is the actual distance? 100 km 150 km 200 km 250 km
1. 59 answers
2. asked by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!!
3. 27,968 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)i. Write the reduction and oxidation half-reactions (without electrons). (.5
1. 5 answers
2. asked by princess
3. 27,669 views
1. Find the percent of change when the price of a radio changes from $40.00 to $44.00.a. 12% b. 10% c. 36.4% d. 40% 2. Find the
1. 67 answers
2. asked by Jman
3. 27,063 views
Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 11.0 cm and
1. 8 answers
2. asked by Anonymous
3. 26,792 views
What do you call it when somebody spends 20 years in the 24th row of a theater
1. 67 answers
2. asked by Chuck
3. 26,277 views
The density of pure silver is 10.5 g/cm3 at 20 °C. If 5.25 g of pure silver pellets is added to a graduated cylinder containing
1. 7 answers
2. asked by Crissy
3. 25,970 views
ABCD is a rhombus. Explain why triangle ABC is congruent to triangle CDA.
1. 22 answers
2. asked by BaileyBubble
3. 24,755 views
Find a cubic function f(x) = ax^3 + bx^2 + cx + d that has a local maximum value of 3 at x = −2 and a local minimum value of 0
1. 5 answers
2. asked by Benjamin
3. 24,689 views
A soccer ball kicked on a level field has an initial vertical velocity component of 15 meters per second. Assuming the ball
1. 4 answers
2. asked by Shannon
3. 24,033 views
Identify the structure used in each of the sentences below.1. The hamburger came from Hamburg, Germany, and the hot dog came
1. 40 answers
2. asked by Fate
3. 24,025 views
1. Which exponent makes the statement true? 1/5^9 = 5^?a. 9 b. -9 c. 1/9 d. - 1/9 2. y^5 x y^14 = a. 2y^19 b. y^60 c. y^19 d.
1. 189 answers
2. asked by Yoda
3. 23,691 views
Which of the following substances have a standard heat of formation (ÄHf°) of zero?O2(g) at 25.0 degree C and 1 atm Fe at 1200
1. 3 answers
2. asked by Anonymous
3. 23,671 views
The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point
1. 48 answers
2. asked by LeXi ;)
3. 23,604 views
1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm?224 cm2 448 cm2 896 cm2
1. 40 answers
2. asked by lilman
3. 23,318 views
1. Find the LCD of 3/5 and 1/6.a. 5 b. 6 c. 11 d. 30 2 Add the fractions and write your answer in lowest terms. 2/5 + 1/9 a.
1. 119 answers
2. asked by Nyla
3. 22,575 views
Express the concentration of a 0.0510 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume
1. 2 answers
2. asked by Joy
3. 22,406 views
4. When the area in square units of an expanding circle is increasing twice as fast as its radius in linear units, the radius is
1. 1 answer
2. asked by Taeyeon
3. 22,105 views
A ball is thrown vertically upward with an initial velocity of 96 feet per second. The distance s (in feet) of the ball from the
1. 1 answer
2. asked by danielle
3. 21,680 views
Which of the following electron configurations of neutral atoms represent excited states?( ) [Xe]6s24f1 ( ) 2s2 ( )
1. 7 answers
2. asked by Garcia
3. 21,389 views
A sample of a radioactive substance decayed to 94.5% of its original amount after a year. (Round your answers to two decimal
1. 2 answers
2. asked by kela
3. 20,930 views
1. Which of the following is greater than 4.3 x 10^9a. 2.1 x 10^9 b. 3.2 x 10^9 c. 5.3 x 10^9 d. 7.4 x 10^8 2. Which of the
1. 172 answers
2. asked by Nyla
3. 20,918 views
Calculate ΔSfus and ΔSvap for HF.Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I
1. 4 answers
2. asked by Srah
3. 20,787 views
Suppose that 8 turns of a wire are wrapped around a pipe with a length of 60 inches and a circumference of 4 inches. What is the
1. 7 answers
2. asked by Marche
3. 20,662 views
1. If 3x^2+2xy+y2=2 then the value of dy/dx x = 1 isA. -2 B. 0 C. 2 D. 4 E. not defined
1. 4 answers
2. asked by Taeyeon
3. 20,621 views
The point P(4, −2)lies on the curve y = 2/(3 − x).(a) If Q is the point(x, 2/(3 − x)),use your calculator to find the
1. 4 answers
2. asked by student
3. 20,523 views
1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)?a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What
1. 84 answers
2. asked by :)
3. 20,428 views
Which of the images above represents a proof of the Pythagorean Theorem? Explain your choice, and then explain how the figure
1. 41 answers
2. asked by Eric
3. 20,212 views
A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter how far above the ground
1. 9 answers
2. asked by Brandon
3. 20,137 views
A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that
1. 4 answers
2. asked by Anonymous
3. 19,998 views
A small resort is situated on an island that lies exactly 6 miles from P, the nearest point to the island along a perfectly
1. 4 answers
2. asked by Anonymous
3. 19,577 views
NaI(aq)+Hg2(C2H3O2)2(aq)-->Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of
1. 3 answers
2. asked by Lalo
3. 19,476 views
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The
1. 4 answers
2. asked by Haley
3. 19,446 views
Determine whether y varies directly with x, If so, find the constant of variation k and write the equation.x y 4 6.4 7 11.2 10
1. 14 answers
2. asked by jay
3. 19,310 views
a small rock with mass 0.20 kg is released from rest at point A which is at the top edge of a large, hemispherical bowl with
1. 3 answers
2. asked by Frankie
3. 19,279 views
The voltage generated by the zinc concentration cell described by,Zn(s)|Zn2+ (aq, 0.100 M)||Zn2+ (aq, ____ M)|Zn(s) is 24.0 mV
1. 2 answers
2. asked by Katherine
3. 18,826 views
Consider an ideal gas encloesd in a 1.00 L container at an internal pressure of 10.0 atm. Calculate the work, w, if the gas
1. 6 answers
2. asked by Lauren
3. 18,733 views
How would you convince a fellow student that the number 0.57 is a rational number?
1. 59 answers
2. asked by Anon.
3. 18,719 views
While working on her bike, Amanita turns it upside down and gives the front wheel a counterclockwise spin. It spins at
1. 15 answers
2. asked by Sam
3. 18,668 views
2H2+O2 -> 2H20 changeHrxn=-484 KJWhich answer best describes the transfer heat that occurs when 1.30 mol of H2 reacts? 629 KJ
1. 3 answers
2. asked by Anonymous
3. 18,590 views
Which of the following reactions have a positive ΔSrxn? Check all that apply.A(g) +B(g) -----> 3C(g) A(g)+ B(g)------> C(g) 2A
1. 4 answers
2. asked by Jerry
3. 18,564 views
if a pump discharges 75 gpm of water whose specific weight is 61.5 lb/ft^3(g=31.95fps^2). find a) the mass flow rate in lb/min,
1. 3 answers
2. asked by 18ms
3. 18,478 views
A park maintenance person stands 16 m from a circular monument. Assume that her lines of sight form tangents to the monument and
1. 25 answers
2. asked by Samuel
3. 18,278 views
1. Find the like terms in the expression y + 1.2y + 1.2z. (1 point)y and 1.2y1.2y and 1.2z y and 1.2z y, 1.2y, and 1.2z 2.
1. 71 answers
2. asked by pls help me
3. 18,033 views
15. Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are all the
1. 51 answers
2. asked by jman
3. 17,904 views
What is the net ionic equation of reaction of MgCl2 with NaOH?I got the equation and then balanced it and then omitted the
1. 1 answer
2. asked by M
3. 17,895 views
Which steps transform the graph of y=x^2 to y=-2(x-2)^2+2.a) translate 2 units to the left translate down 2 units stretch by
1. 46 answers
2. asked by Lee
3. 17,678 views
For a particular isomer of C8H18, the following reaction produces 5113.3 kJ of heat per mole of C8H18(g) consumed, under
1. 14 answers
2. asked by Mike
3. 17,380 views
1. Evaluate 6r + 7 for r = 1.2. (1 point)0.27.2 13 14.2 2. Write an algebraic expression for “Julie runs three miles less than
1. 80 answers
2. asked by Anonymous
3. 17,350 views
How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your
1. 31 answers
2. asked by zach
3. 17,258 views
An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic
1. 5 answers
2. asked by Nicole
3. 17,057 views
A block slides from rest with negligible friction down a track, descending 5.0m to point P at the bottom. It then slides on the
1. 2 answers
2. asked by Anonymous
3. 16,942 views
How do I prepare 100mL of 10g/L HCl from concentrated HCl(37%HCl, density 1.19g/mL)Is it 2.28mL of conc HCl dilute to 100mL with
1. 4 answers
2. asked by annie
3. 16,915 views
Hi, I'm having a difficult time understanding a couple of Geometry questions on my homework and I'd really appreciate it if
1. 17 answers
2. asked by Tyler
3. 16,740 views
1. Write the ratio in the simplest form.45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair,
1. 95 answers
2. asked by Jman
3. 16,737 views
B is the midpoint of segment AC and D is the midpoint of segment CE. Solve for x, given BD=3x+5 and AE=4x+20.Sorry I couldn't
1. 15 answers
2. asked by Jenn
3. 16,425 views
Which fractions are equivalent to 25/45?
1. 98 answers
2. asked by Bell
3. 16,270 views
the bases of a trapezoid are 22 and 12 respectively. The angles at the extremities of one base are 65 degree and 40 degree
1. 5 answers
2. asked by joe
3. 15,979 views
1.Which of these numbers can be classified as both real and irrational? 5.858585858 63.4 square root 21 square root 36 2. Which
1. 91 answers
2. asked by Delilah
3. 15,971 views
When solutions of KCl and Pb(NO3)2 are mixed, a precipitate forms. Which of the following is the balanced equation for the
1. 4 answers
2. asked by Z
3. 15,797 views
A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study
1. 6 answers
2. asked by ifi
3. 15,781 views
Three individuals form a partnership and agree to divide the profits equally. X invests $4,500, Y invests $3,500 and Z invests
1. 3 answers
2. asked by Jennifer
3. 15,744 views
15. What is the solution of the linear-quadratic system of equations?{y = x^2 + 5x - 3} {y - x = 2}
1. 13 answers
2. asked by Robert
3. 15,720 views
Two planes are about to drop an empty fuel tank. At the moment of release each plane has the same speed of 135 m/s, and each
1. 2 answers
2. asked by Anonymous
3. 15,450 views
At constant pressure, which of these systems do work on the surroundings? Check all that apply.2A (g) + B(s) --> 3C(g) 2A (g)
1. 7 answers
2. asked by Akle
3. 15,067 views
A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a
1. 3 answers
2. asked by Jessica
3. 15,003 views
Three objects are moving along a straight line as shown in the figure. Taking the positive direction to be to the right, what is
1. 6 answers
2. asked by Anonymous
3. 14,938 views
The diameter of a circle has endpoints P(–10, –2) and Q(4, 6).a.Find the center of the circle. b.Find the radius. If your
1. 12 answers
2. asked by HELP PLEASE!
3. 14,898 views
A Sample of gas originally at 25 degrees C and 1 atm pressure in a 2.5 L container is allowed to expand until the pressure is
1. 2 answers
2. asked by John
3. 14,731 views
A car traveling at 42 ft/sec decelerates at a constant 7 feet per second squared. How many feet does the car travel before
1. 1 answer
2. asked by Izzy
3. 14,711 views
A 140 g baseball is dropped from a tree 15.5 m above the ground. With what speed would it hit the ground if air resistance could
1. 2 answers
2. asked by Kensey
3. 14,702 views
A certain computer can perform 10 to the 5th power calculations per second. How many calculations can it perform in 10 seconds?
1. 20 answers
2. asked by Larry
3. 14,632 views
Shortly before the Russian Revolution, an eccentric man named Rasputin became ______as the "mad monk." Because he dressed like a
1. 22 answers
2. asked by brad
3. 14,627 views
If a ping pong ball falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the
1. 33 answers
2. asked by Anonymous
3. 14,625 views
the mass of a fluid system is .311 slug, its density is 30lb.ft^3 and g is 31.90fps^2. a) find the specific volume, b) the
1. 2 answers
2. asked by 18ms
3. 14,593 views
For the reaction described by the chemical equation:3C2H2(g) -> C6H6(l) .. Delta H rxn = -633.1 kJ/mol a) Calculate the value of
1. 5 answers
2. asked by Katherine
3. 14,468 views
Write the net ionic equation for the reaction of calcium nitrate and sodium phosphate
1. 8 answers
2. asked by Alex
3. 14,459 views
A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A,
1. 5 answers
2. asked by anonymous
3. 14,458 views
Predict whether the following reactions will be exothermic or endothermicA) N2(g)+ 3H2(g) --> 2NH3(g) B) S(g) +O2(g) ---> SO2(g)
1. 6 answers
2. asked by Kristen
3. 14,324 views
Please someone show me how to work this one out?Suppose Caroline is a cinephile and buys only movie tickets. Caroline deposits
1. 2 answers
2. asked by nan
3. 14,173 views
find an expression for a cubic function f if f(1)=6 and f(-1)=f(0)=f(2)=0
1. 2 answers
2. asked by Lorena
3. 14,150 views
A simple model for a person running a 100m race is to assume the sprinter runs with constant acceleration until reaching top
1. 2 answers
2. asked by Emily
3. 14,120 views
A bus makes a trip according to the position-time graph shown in the drawing. What is the average velocity (magnitude and
1. 1 answer
2. asked by Anonymous
3. 14,031 views
m<S=30, m(arc)RS=84,and RU is tangent to the circle at R find m<U.It's a circle with a triangle inscribed, only the s and r lie
1. 40 answers
2. asked by lilman
3. 14,028 views
3. For what value of k will x+k/x have a relative maximum at x = -2?A. -4 B. -2 C. 2 D. 4 E. None of these
1. 2 answers
2. asked by Taeyeon
3. 13,974 views
A baseball team plays in a stadium that holds 53,000 spectators. With ticket prices at $10, the average attendance had been
1. 6 answers
2. asked by Anonymous
3. 13,971 views
Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠.1. 7/5 ? 15/10 = ≠ 2. 6/8
1. 36 answers
2. asked by Delilah
3. 13,968 views
Any number in the form of a+-bi , where a and b are real numbers and b not equal 0 is considered a pure imaginary number. TRUE
1. 11 answers
2. asked by Robert
3. 13,934 views
On another planet, the isotopes of titanium have the following natural abundances.Isotope 46Ti Abundance 70.900% Mass(amu)
1. 11 answers
2. asked by Anon
3. 13,930 views
At what point on the paraboloidy = x2 + z2 is the tangent plane parallel to the plane 7x + 2y + 3z = 2? (If an answer does not
1. 2 answers
2. asked by Becky
3. 13,905 views
A river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant
1. 7 answers
2. asked by Anonymous
3. 13,837 views
Two blocks of masses m1 = 2.00 kg and m2 = 3.70 kg are each released from rest at a height of h = 5.60 m on a frictionless
1. 3 answers
2. asked by Jessica
3. 13,771 views
A playground is on the flat roof of a city school, 5.8 m above the street below (see figure). The vertical wall of the building
1. 3 answers
2. asked by anonymous
3. 13,685 views

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