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Questions Asked on December 5, 2011

There were 93 students going to a nature camp. After equal groups of fewer than10 students , were formed for hiking, 2 students
1. 2 answers
2. asked by Paul
3. 822 views
Consider two cars, one a compact model (m = 781 kg) and the other an SUV (m = 2483 kg). The SUV is traveling at 15 m/s, while
1. 1 answer
2. asked by glenmore
3. 646 views
A hockey player strikes a puck that is initially at rest. The force exerted by the stick on the puck is 950 N, and the stick is
1. 2 answers
2. asked by glenmore
3. 3,061 views
Which composition would produce an image triangle whose area is not equal to the area of the original triangle?
1. 1 answer
2. asked by jen
3. 401 views
A rubber ball (mass 0.21 kg) is dropped from a height of 1.7 m onto the floor. Just after bouncing from the floor, the ball has
1. 1 answer
2. asked by glenmore
3. 841 views
Two objects of mass m1 = m and m2 = 4m undergo a completely inelastic collision in one dimension. If the two objects are at rest
1. 0 answers
2. asked by glenmore
3. 701 views
From the Arizona Department of Weights and Measures: Among 31 inspections sat a NAPA Auto Parts store, 88% failed. X= ?
1. 1 answer
2. asked by Katrina
3. 386 views
A railroad car containing explosive material is initially traveling south at a speed of 4.5 m/s on level ground. The total mass
1. 1 answer
2. asked by glenmore
3. 512 views
An open railroad car of mass 2449 kg is coasting with an initial speed of 17 m/s on a frictionless, horizontal track. It is
1. 1 answer
2. asked by glenmore
3. 637 views
Calculate the derivative.?d/dx ∫ from √x to x^2 tan9tdt = Use symbolic notation and fractions where needed.
1. 1 answer
2. asked by saud
3. 433 views
Rubidium crystalizes in the body centred cubic structure with an edge length of 560.5 pm..a. calculate the radius (in pm) to 4
1. 3 answers
2. asked by amanda
3. 728 views
Help w/Word Prob: LAW ENFORCEMENT A police accident investigator can use the formula s=2√5l to estimate the speed=s of a car
1. 3 answers
2. asked by Rock
3. 1,741 views
What were some political changes and continuities in western europe between 600-1750
1. 1 answer
2. asked by Anonymous
3. 502 views
Which of the following is not one of the elements for which the United States could be considered the strongest of the economic
1. 3 answers
2. asked by HM
3. 1,078 views
Use Sigma Notation to write the sum[10-(1/10)^2]+[10-(2/10)^2]+[10-(3/10)^2]+[10-(4/10)^2]
1. 1 answer
2. asked by Alex
3. 395 views
how do you find the orthocenter of a triangle with the vertices A(4,0) B(-2,4)C(0,6)? Please explain to me how you get x after
1. 1 answer
2. asked by Melanie
3. 1,293 views
The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following.0.30 M
1. 1 answer
2. asked by Bill
3. 1,169 views
The solubility of solid Ce(IO3)3 in a 0.20 M KIO3 solution is 4.4 10-8 mol/L. Calculate Ksp.
1. 1 answer
2. asked by Bill
3. 3,339 views
Will a precipitate form when 100.0 mL of a 7.5 10-4 M Mg(NO3)2 is added to 100.0 mL of 5.8 10-4 M NaOH? (Hint: Ksp for Mg(OH)2 =
1. 1 answer
2. asked by Bill
3. 1,098 views
This is part of a marathon problem, we have to identify the five compunds of H, N, and O described below. For each compound, I
1. 1 answer
2. asked by Kristin
3. 701 views
A solution is prepared by mixing 50.0 mL of 0.17 M Pb(NO3)2 with 50.0 mL of 1.6 M KCl. Calculate the concentrations of Pb2+ and
1. 1 answer
2. asked by Bill
3. 3,156 views
For which salt in each of the following groups will the solubility depend on pH?Pb(OH)2 PbCl2 could you explain too? thanks!
1. 1 answer
2. asked by matthieu
3. 668 views
Being some distance from a mountain a man looks up at a 9 degree angle to see the top of the moutain. he then moves 13 miles
1. 1 answer
2. asked by john
3. 547 views
On average, women earn about _____ as much as men.a. one-fourth b. one-half c. two-thirds d. three-fourths e. nine-tenths I have
1. 3 answers
2. asked by HM
3. 1,246 views
An auditorium has 1600 seats. At a ticket price of $6, the owners can sell 1200 tickets. For each 25 cent increase in price the
1. 1 answer
2. asked by Elisabeth
3. 542 views
A 500g ball is dropped into a well that is 10m deep. A)What is the ball's potential energy before it is dropped? Take the bottom
1. 1 answer
2. asked by Mack
3. 518 views
The following information relates to Vice Versa Ventures for calendar year 20XX, the company’s first year of operations:Units
1. 0 answers
2. asked by ellyssa
3. 626 views
Campaign spending tends to be greatly more importanta. for challengers and non-incumbents rather than incumbents. b. for
1. 3 answers
2. asked by HM
3. 499 views
1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second.a.
1. 1 answer
2. asked by fareha
3. 2,759 views
I left out 2 sentences. Can you help me check it? Thank you.1) She is not the complement to her husband,but (?) rather the
1. 1 answer
2. asked by Henry2
3. 422 views
Which of the following statements is true?a. Political parties are unimportant in the organization of the U.S. Congress. b.
1. 3 answers
2. asked by HM
3. 2,901 views
This is a project called guess your card. there are 3 people playing and you. We are drawing only numbers from 1 to 9. Each
1. 1 answer
2. asked by Sean
3. 450 views
The presidency has been a consistently activist office since the administration ofa. Andrew Jackson. b. Abraham Lincoln. c. U.S.
1. 1 answer
2. asked by HM
3. 641 views
A 10.9-kg monkey climbs a uniform ladder with weight w = 1.24 102 N and length L = 2.70 m as shown in the figure below. The
1. 0 answers
2. asked by Anonymous
3. 1,117 views
Is there any science fair contests I can partcipate??? I found this topic in gr 5th and I really want to use it for my science
1. 2 answers
2. asked by Laruen
3. 722 views
Which of the following may not qualify as a falsifiable claim?
1. 3 answers
2. asked by josh
3. 797 views
How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
1. 1 answer
2. asked by Megan
3. 933 views
How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?
1. 1 answer
2. asked by Megan
3. 416 views
A 1500 kg car travels along the road at 25 m/s when the driver sees the light turn red and applies the brakes. What average
1. 2 answers
2. asked by JuJu
3. 600 views
I do not understand the answer that was given to me on a post dated Nov. 23.Please help explain my questions that appear at the
1. 1 answer
2. asked by Bart
3. 3,014 views
A 90 kg mover climbs a ladder to a height of 8 m in 32 s. Find the power ratingof the mover. I solved by using P= mgh/t and came
1. 0 answers
2. asked by Mack
3. 486 views
An iron ion contains 26 protons, 27 neutrons, and 23 electrons. What is the net charge of the ion?
1. 1 answer
2. asked by David
3. 683 views
By what distance must two charges of +2 C and +10 C be separated so that the repulsive force between them is 3.70*10^10 N?
1. 0 answers
2. asked by David
3. 456 views
The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school
1. 2 answers
2. asked by Anonymous
3. 877 views
Let f(t) be an odd functionUsing properties of the deﬁnite integral plus simple substitution show that if f is continuous on
1. 1 answer
2. asked by Rory
3. 546 views
Am doing Autism and I have to give farther information. ThanksThe cognitive part: I have...(1) Selecting attention, I have they
1. 0 answers
2. asked by Jessica
3. 816 views
40 =15x x - 20 This is a three part question>> first find the lcd method of solving this equations, and the second ones about
1. 2 answers
2. asked by JERSEYGIRL
3. 847 views
What minimum volume of 3.0 M H2SO4 is required to produced 13 L of H2 at STP?Reaction formula: 2Al(s) + 3H2SO4(aq) -->
1. 1 answer
2. asked by Diva
3. 704 views
Revolve the region bounded by y = 4x and y = x^2 about the y-axis. In cubic units, the resulting volume is
1. 1 answer
2. asked by Beth
3. 1,814 views
Water flows through a horizontal tube of diameter 2.9 cm that is joined to a second horizontal tube of diameter 1.5 cm. The
1. 0 answers
2. asked by jazz
3. 593 views
Find the arc length of y = x^4 from the origin to (1, 1). Answer in length units, correct to two decimal places, please.
1. 1 answer
2. asked by Beth
3. 774 views
Women’s heights are normally distributed with a mean of 162 cm and standard deviation of 16 cm.a. Define an random variable,
1. 1 answer
2. asked by Jasmine
3. 946 views
3�ç (x - 2)11 dx = 1
1. 1 answer
2. asked by Beth
3. 297 views
Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they
1. 1 answer
2. asked by Anonymous
3. 919 views
The proportion of Canadians who eat breakfast regularly is 0.9. A simple random sample of 144 Canadians is taken.a. What is the
1. 0 answers
2. asked by Jasmine
3. 862 views
A constant pressure calorimeter having a heat capacity of 60.8 kJ/K is used to measure the energy released from burning a
1. 1 answer
2. asked by LaurenB
3. 598 views
The standard enthalpy of formation of n-octane is -249.95 kJ/mol. Compute the amount of heat liberated when 5.24 g of n-octane
1. 2 answers
2. asked by LaurenB
3. 1,020 views
1. How do we find the greatest common factor of a polynomial? Demonstrate the process with an example,showing your work. 2.When
1. 0 answers
2. asked by JERSEYGIRL
3. 557 views
Do you feel there are any imbalances to our wage structure in our economy? why? give an example
1. 1 answer
2. asked by Joshua
3. 411 views
A bakery makes bread in batches. Several loaves per batch are rejected due to defects. Your friend says that the total number of
1. 2 answers
2. asked by Mercedez
3. 770 views
a metal crystallizes in the face centred cubic cubic crustal structure with a unit cell edge of 5.48 x10 power of -8 cm.the
1. 0 answers
2. asked by amanda
3. 621 views
Rocks that become hot enough to melt and flow are referred to as ___ by scientists
1. 2 answers
2. asked by james
3. 681 views
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9.
1. 1 answer
2. asked by Anonymous
3. 420 views
Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting
1. 0 answers
2. asked by Anonymous
3. 553 views
The density of gold is 1.93×104 {\rm{kg/m}}^{\rm{3}}. 205 {\rm g} of gold is shaped into a cube.whats the length of an edge
1. 0 answers
2. asked by Anonymous
3. 496 views
bx - byANSWER: FACTOR b(x+y)
1. 1 answer
2. asked by Zack
3. 311 views
If the government announced the economy is headed into an expansionary period of rising real GDP and prices, businesses would
1. 3 answers
2. asked by Sammy
3. 1,278 views
The ratio of the length of a rectangular field to its width is 10:7. If the width of the field is 70 meters, find the perimeter
1. 1 answer
2. asked by danielle
3. 514 views
The mass of a certain neutron star is5 × 10^30kg (2.5 solar masses) and its radius is 2000 m. What is the acceleration of
1. 1 answer
2. asked by Amanda and Leah
3. 2,909 views
What minimum strength of magnetic field is required to balance the gravitational force on a proton moving at speed 6*10^6 m/s?
1. 1 answer
2. asked by Richard
3. 1,154 views
An 893 kg car passes over a bump in a road that follows the arc of a circle of radius 14.3 meters.A) What force does the road
1. 1 answer
2. asked by Ryan
3. 769 views
1. What is needed to make blood cells?2. What pair of workers is needed to produce estrogen? 3. What is needed to produce eleven
1. 0 answers
2. asked by Hayley
3. 833 views
I have to write a paper about what/who we think had the greatest impact on western civilization from 2000 BC through the 16th
1. 4 answers
2. asked by jon
3. 502 views
a metal crystallizes in the face centered cubic crystal structure with a unit cell edge of 5.48 x10 power of -8 cm. the density
1. 2 answers
2. asked by amanda
3. 882 views
Is f(x)=4x/x-1 in factored form
1. 0 answers
2. asked by Alex
3. 316 views
Write the partial fraction decomposition of the rational expression.6x^2+1/x^2(x-1)^2
1. 2 answers
2. asked by Robert
3. 589 views
what is the difference between science, non-science and psuedoscience?
1. 1 answer
2. asked by Anonymous
3. 463 views
a man applies a force of 220 N horizontally to the right against a 50 kg crate. the force of friction between the crate and the
1. 3 answers
2. asked by Connor
3. 2,133 views
6. A trough is in the shape of a triangular prism. It is 5 feet long and its vertical cross sections are isosceles triangles
1. 1 answer
2. asked by fareha
3. 1,360 views
object is oblong measure's 16" round and tapers and is 21" round at wides whats the volume???
1. 1 answer
2. asked by abby
3. 295 views
Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting
1. 1 answer
2. asked by please help
3. 604 views
One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia.4NH3 (aq) + 5O2 (g)
1. 1 answer
2. asked by Ahmed
3. 2,381 views
need help for a school math project:adjusting a recipe amounts using fractions
1. 2 answers
2. asked by kris
3. 932 views
factor completely. remember to look first for a common factor. if a polynomial is prime state this. x^2+2xy+y^2-9
1. 1 answer
2. asked by Anonymous
3. 570 views
How did changes in the climate affect the lives of early people in Americas?
1. 1 answer
2. asked by Dakota
3. 747 views
78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?
1. 0 answers
2. asked by Amanda
3. 357 views
78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?
1. 1 answer
2. asked by Amanda
3. 590 views
1. Let y = f(x) be the continuous function that satisfies the equation x^4-5x^2y^2+4y^4=0 and whose graph contains the points
1. 1 answer
2. asked by fareha
3. 1,898 views
Z(x^5− x^2)(x^6− 2x^3)^2011dxThank you so much!
1. 1 answer
2. asked by Jim
3. 289 views
What is the pH of a solution in which 378 mL of HCL, measured at 27.5 degrees celcius and 1.02 atm, is dissolved in 1.5 mL of
1. 1 answer
2. asked by Anonymous
3. 423 views
Identify the conjugate base of the following acids? The names. For example HCl is hydrochloric acid.A) HSO4^- B)H3O^+
1. 1 answer
2. asked by Amanda
3. 532 views
Identify the conjugate acid of the following bases? what acid is it?A) F^- B) HSO4^- C) CH3COO^- D) CO3^2-
1. 1 answer
2. asked by Amanda
3. 587 views
Rewrite cos(arcsin(v)) as an algebraic expression in v.i know that the answer is squroot of 1-v^2 but i don't know the process
1. 2 answers
2. asked by MISS SUE PLEAE HELP
3. 521 views
A square frame is made from four thin rods, each of length and mass Calculate its rotational inertia about the three axes shown
1. 1 answer
2. asked by omah
3. 1,174 views
1/(1*3) + 1/(3*5) + 1/(5*7)= 3/7come up with a formula S(n)
1. 1 answer
2. asked by dale
3. 325 views
Calculate (in MeV ) the total binding energy for 40 Ca.
1. 0 answers
2. asked by Paige
3. 551 views
Calculate (in MeV ) the total binding energy for 40 Ca.
1. 1 answer
2. asked by Paige
3. 835 views
A monopolist is currently producing a level of output where Price = $110; Marginal Revenue = $10; Quantity = 100; Total Cost =
1. 0 answers
2. asked by Jim
3. 632 views
How does the mass of all the interstellar matter in our galaxy compare with the total mass of its stars?
1. 1 answer
2. asked by Shirley
3. 868 views
Partial Fraction of the Rational Expression:x^2+x+8/x^3+x
1. 1 answer
2. asked by Joshua
3. 362 views

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