Archives
2011
November

Questions Asked on November 15, 2011

A rocket is fired in deep space, where gravity is negligible. In the first second it ejects 1/160 of its mass as exhaust gas and
1. 1 answer
2. asked by paul
3. 6,220 views
The density of liquid water is 0.997 g/mL at 25 degrees Celsius.a) Calculate the mass of 250.o mL (about a cupful) of water. b)
1. 3 answers
2. asked by khloe
3. 5,751 views
Seawater contains approximately 3.5% by mass and has a density of 1.02 g/mL. What volume of seawater contains 5.5g of sodium
1. 1 answer
2. asked by Haley
3. 5,086 views
Explain in your own words what it means for an equation to model a real world situation an give an example.-it is right to say
1. 4 answers
2. asked by lan
3. 5,011 views
Selecting a committee: There are 7 women and 5 men in a department. How many ways can a committee of 4 be selected if there must
1. 2 answers
2. asked by Celee
3. 4,699 views
If a nitrogen gas sample occupies a volume of 2.55 L at 22.0 degrees Celsius and 0.860 atm, what is the mass of the N2 gas?
1. 2 answers
2. asked by Mallory
3. 3,995 views
an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is
1. 2 answers
2. asked by Desperate!!!!
3. 3,466 views
a carpenter needs to cut a plank of wood that is 3.75m long into 5 equal pices what is the length of each piece of wood?
1. 10 answers
2. asked by jebril
3. 2,994 views
An experiment in your laboratory requires 500 mL of a .0200 M solution of Na2CO3. You are given solid Na2CO3, distilled water
1. 1 answer
2. asked by Jennifer
3. 2,724 views
The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for
1. 4 answers
2. asked by manal HELP ME
3. 2,702 views
After an unfortunate accident at a local warehouse you have been contracted to determine the cause. A jib crane collapsed and
1. 3 answers
2. asked by Morgan
3. 2,700 views
A 4-kg block is connected by means of a massless rope to a 2-kg block in the figure. If the coeficient of sliding friction
1. 1 answer
2. asked by Anonymous
3. 2,556 views
Rank thefollowing elements in order of decreasing atomic radius. N, B, Be, Li?I thought it was N, B, Be, Li
1. 1 answer
2. asked by Anna
3. 2,495 views
A boat’s speed in still water is vBW = 1.85 m/s. If the boatis to travel directly across a river whose current has speed vWS =
1. 2 answers
2. asked by ahmed
3. 2,464 views
The height of a triangle is 12 centimeters greater than the width of its base. If h represents the height of the triangle, then
1. 1 answer
2. asked by lola
3. 1,852 views
A man has a garden 10 meters square to fence. How many fence posts are needed if each post is 1 meter from the adjacent posts?
1. 2 answers
2. asked by christy
3. 1,764 views
Use the equations with the enthalpy information given below to calculate the ÄH° for the reaction:S(s) + O2(g) --> SO2(g) S(s)
1. 2 answers
2. asked by Anonymous
3. 1,763 views
solve the inequality. Express the solution using interval notation and graph the solution set on the real number linex-4/x^2-4
1. 1 answer
2. asked by lan
3. 1,696 views
Write a two-column proof of Theorem 6-2-3, which is: If a quadrilateral is a parallelogram, then its consecutive angles are
1. 2 answers
2. asked by Lauren
3. 1,696 views
Complete the analogies by selecting the pair of words whose relationship most resembles the relationship of the pair in capitol
1. 3 answers
2. asked by Bre
3. 1,688 views
Talking is not allowed in class. Talking is what part of speech?
1. 1 answer
2. asked by Kathy
3. 1,656 views
Ram earned a score of 940 on a national achievement test. The mean test score was 850 with a standard deviation of 100.what
1. 1 answer
2. asked by johnprabhakaran
3. 1,547 views
A Japanese beetle has a length between 0.3 and 0.5. Find two lengths that are within the given span. Write them as fractions in
1. 9 answers
2. asked by Susana
3. 1,478 views
A carpenter must ensure that a large window frame is a rectangle. If the corners are labled E,F,G, and H, the carpenter knows
1. 0 answers
2. asked by alisa
3. 1,428 views
two curves are orthogonal at a point of intersection of their tangents at that point cross at right angles. Show that the curves
1. 1 answer
2. asked by Anonymous
3. 1,425 views
Can someone help with me this question?1. Lea spent $25 of the money she saved. She still has 60% of her money left. How much
1. 2 answers
2. asked by Joey
3. 1,395 views
The largest town square in the world is Tiananmen Square in Beijing, China, covering 98 acres.A. 1 sq mile is 640 acres.
1. 3 answers
2. asked by Austin
3. 1,386 views
a landscape architect wants to make a triangle garden insde a square of land as shown at the right. What is a rule for the area
1. 0 answers
2. asked by Amy
3. 1,350 views
At 15 minutes past the hour, a 50 g mouse runs up a grandfather clock and sits himself down at the end of the minute-hand. If
1. 1 answer
2. asked by henry
3. 1,331 views
for the question how did canadas policy of total war change the economy? why was the policy necessary?for this one i wrote that
1. 1 answer
2. asked by Mohammad
3. 1,318 views
I am familiar with Excel 2007. I just got the news that I will be expected to use Excel 2010 instead. What are some of the
1. 2 answers
2. asked by Rufus
3. 1,306 views
If all four sides of a quadrilateral measure the same length, and one coner angle measures 90 degree, what shape can the
1. 1 answer
2. asked by alisa
3. 1,297 views
A daredevil jumps a canyon 12 m wide . To do so , he drives a car up a 19 degree incline.a) What is the minimum speed must he
1. 0 answers
2. asked by lala mon
3. 1,280 views
A sample of neon gas at 1.20 atm compresses from 0.250 L to 0.125 L. If the temperature remains constant, what is the final
1. 2 answers
2. asked by Mallory
3. 1,252 views
Triangle XYZ above is similar to triangle UVW (not shown). If the length of one side of triangle UVW is 60, then what is one
1. 2 answers
2. asked by matt
3. 1,236 views
A roll of fabric was 132 inches long. A customer bought 3 feet of the fabric. How many feet of fabric were remaining?
1. 4 answers
2. asked by Sanaya
3. 1,231 views
Conor's sense if his own INFALLIBILITY has contributed to his succes at chess.A. inability to make an error B. worth c.
1. 1 answer
2. asked by lola
3. 1,226 views
Cramer's ruleI understand the method but idk how to do this question 6x+2y=-44 -7+9Y=-96
1. 0 answers
2. asked by Bob Brown
3. 1,199 views
25.0 g of sodium carbonate is combined with an excess of hdrochloric acid. in the end 5.70 g of sodium chloride is isolated.
1. 1 answer
2. asked by Anonymous
3. 1,198 views
the degree measure of angle A is represented by 2x-20 and the degree measure of angle B by 2x. Find the value of x, measure of
1. 2 answers
2. asked by diana
3. 1,188 views
Here is the question ..How did the Enlightenment contribute to the Industrial Revolution? A) People used technology to create
1. 3 answers
2. asked by Brooke
3. 1,186 views
A man fires a gun 150m from a cliff. A second man who is standing 300m further away from the cliff hears the gun 1 second after
1. 2 answers
2. asked by surbhi
3. 1,179 views
Complete the analogies by selecting the pair of words whose relationship most resembles the relationship of the pair in capitol
1. 3 answers
2. asked by Bre
3. 1,149 views
Hello:My daughter is in 4th gde and is about to turn in her displayboard but we are not coming up with a good title. She wants
1. 3 answers
2. asked by priscila
3. 1,135 views
A 1.7 kg otter starts from rest at the top of amuddy incline 89.2 cm long and slides down to the bottom in 0.60 s. What net
1. 1 answer
2. asked by Ryan
3. 1,132 views
An aeroplane when 6000 m high passes vertically above another plane at an instant when their angles of elevation at the same
1. 2 answers
2. asked by amar
3. 1,117 views
it took stephen 3 1/2 hours to do the yarrdwork he spent 2/3 of that time mowing the grass how long did it take stephen to mow
1. 1 answer
2. asked by lazaria
3. 1,111 views
You drop a stone down a well that is 12.37 m deep. How long is it before you hear the splash? The speed of sound in air is 343
1. 1 answer
2. asked by maria
3. 1,109 views
an object of mass 1.5 kg on a spring of force constant 600N/m loses 3% of its energy in each cycle.THE SYSTEM IS DRIVEn by a
1. 0 answers
2. asked by jjena
3. 1,086 views
Background:ABC is a multinational enterprise (MNE) incorporated in State X. ABC entered into a joint venture agreement with XYZ,
1. 0 answers
2. asked by Lakeisha
3. 1,082 views
an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is
1. 1 answer
2. asked by BOB
3. 1,068 views
i think its rite is it?13.) . The visit of an influential nuclear physicist to a population symposium in 1979 led to A. the
1. 1 answer
2. asked by man
3. 1,065 views
If the sum of the measures of the interior angles of a convex n-gon is equal to the sum of the measures of the exterior angles,
1. 1 answer
2. asked by alisa
3. 1,056 views
Recently one of the nation’s largest consumer electronics retailers began a nationwide television advertising campaign kicking
1. 0 answers
2. asked by mark
3. 1,051 views
Which of the following is true regarding U.S. Senators?A.Senators are elected to 2 year terms. B.Senators can approve executive
1. 1 answer
2. asked by Shelly
3. 1,047 views
rite a 1,400- to 1,750-word paper in which you do the following:oEvaluate the literary elements and structural devices in the
1. 1 answer
2. asked by joann
3. 1,037 views
joe left a campsite on a trip down the river in a canoe, traveling a 6 km/h. four hours later, joe's father set out after him in
1. 1 answer
2. asked by angie
3. 1,032 views
40y/88 explain what steps you took to simplify and show your work
1. 1 answer
2. asked by keyanna
3. 1,029 views
In a state,52%of the voters supports party-R, and 48% supports party-D. In second state 47% of the voters supports party-D.
1. 0 answers
2. asked by johnprabhakaran
3. 1,025 views
The question is "Evaluate the effectiveness of this action"The action was the government appologizing for Chinese Head Tax. Not
1. 4 answers
2. asked by Brooke
3. 1,018 views
A rolaids tablet contains calcium carbonate which neutralizes stomach acid. If rolaids tablet neutralizes 42.15 mL of 0.320M
1. 1 answer
2. asked by monique
3. 981 views
ms. sue thanks for help u give to me with my questions. but still i unsure of that policy one, how it changed i just guess and
1. 3 answers
2. asked by Mohammad
3. 976 views
Acetic acid (CH3COOH) reacts with isopentyl alcohol (C5H12O) to yield the ester isopentyl acetate which has the odour of
1. 4 answers
2. asked by kim
3. 961 views
german defeat at stalingrad is thought of some historians to be the point in which the defeat of germany became expected. why is
1. 3 answers
2. asked by Mohammad
3. 958 views
if the lengths of a triangle are y, y-1 and 7 what is the length of the longest side if the perimeter is 65
1. 1 answer
2. asked by dan
3. 945 views
Since the sentence The cab driver was driving extremely fast down the street has both an action verb and a linking verb, what do
1. 1 answer
2. asked by Kelley
3. 935 views
who did rome destroy and then put salt over the land so nothing would grow again?answer: Carthage
1. 1 answer
2. asked by mike
3. 932 views
A 16 kg object with a velocity 7.5 m/s explodes into two equal fragments. One flies off with a velocity 2.5i -2.5j m/s.What is
1. 3 answers
2. asked by joe
3. 930 views
The measure of an interior angle of a regular n-gon is 140 degree. How many sides are in the regular polygon?
1. 1 answer
2. asked by alisa
3. 928 views
Find x-intercepts of x^4-9x^3+29x^2-40x+20
1. 1 answer
2. asked by Anonymous
3. 927 views
what kind of reforms were enacted in Germany and Britian?
1. 0 answers
2. asked by alethea
3. 924 views
explain why for intentional purposes, german forces needed to invade Britian if they were to hold western europe. what efforts
1. 3 answers
2. asked by Mohammad
3. 921 views
A high school cheerleader has a baton that is 1 meter long with a 100 gram mass on each end. Another cheerleader has a baton
1. 0 answers
2. asked by Kevin
3. 914 views
The experimental rats were being raised in separate environments. One group lived in the traditional cage in a quiet, but well
1. 1 answer
2. asked by Anonymous
3. 911 views
Assume the box contains 7 balls:3 red, 2 blue, and 2 yellow. A ball is drawn and its color noted. If the ball is yellow, it is
1. 1 answer
2. asked by Athena
3. 909 views
An electric guitar’s amplifier is at a distanceof 4.6 m. Find the intensity of its sound waves when its power output is 0.18
1. 2 answers
2. asked by Anonymous
3. 897 views
without any simplification, find the derivative ofh(x) Arcsin^4 (3x-1) / (3)^1/2 (square root) I end up with h'(x) = 12Arcsin^3
1. 2 answers
2. asked by Jim
3. 894 views
You have two decks of 26 cards. Each card in each of the two decks has a different letter of the alphabet on it. You pick at
1. 1 answer
2. asked by Martin
3. 894 views
If water is saturated with CaCO3, how much of it has to evaporate to deposit .250g of CaCO3.Ksp CaCO3 = 4.96 x 10^-7
1. 3 answers
2. asked by Sarah
3. 893 views
what is the solubility of CuS in water at 25 C and 1 bar ? for equilibrium : CuS + H2O = CuSO4 + H2O
1. 1 answer
2. asked by tota
3. 879 views
A 4m by 6m rug covers half of the floor area of a room and leaves a uniform strip of bare floor around the edges. What are the
1. 1 answer
2. asked by amanda
3. 871 views
how do i work out 7.25/0.25 without using a calculator???
1. 3 answers
2. asked by Nabiha
3. 865 views
Can someone explain to me this asteroid article????i am so confused! (google: asterioid 21 lutetia:low mass, high density-first
1. 1 answer
2. asked by Rebecca
3. 861 views
S=6x^2 is the surface area of a cube. Find the exact change in surface area when x is increased from 6 cm to 6.1 cm .Please
1. 1 answer
2. asked by MiKe
3. 860 views
I got my Native Americans test back today during ss and I got a 77 (4 qs. wrong there was 10 mulitple and 13 reponse but my
1. 8 answers
2. asked by Laruen
3. 856 views
An electric motor rotating a workshop grinding wheel at a rate of 114 rev/min is switched off. Assume the wheel has a constant
1. 2 answers
2. asked by Anthony
3. 852 views
what are the radiometric dates of: Homo sapiens, stone tools, sabre toothed cat, wolly mammoth, apes, whales, horses,
1. 0 answers
2. asked by JG
3. 848 views
Write the equilibrium constant expression, K, for each of the following reactions. Where appropriate, designate the K as Ksp.2H2
1. 1 answer
2. asked by Kevin
3. 844 views
A soccer player kicks a ball into the air at an angle of 34 degrees above the horizontal . The initial velocity of the ball is
1. 1 answer
2. asked by lala mon
3. 840 views
A hockey puck has a mass of 0.125 kg and is at rest. A hockey player makes a shot, exerting a constant force of 32.5 N on the
1. 1 answer
2. asked by Fillintheblank
3. 840 views
The area of the smallest (shaded) square measures 1 square unit. What is the area of the largest square? (there are 7 squares)Pl
1. 1 answer
2. asked by Audrey
3. 831 views
I need to find out Molar solubility of CuS. How many grams of CuS are present in 15.0 L of a saturated CuS solution,
1. 1 answer
2. asked by Ashley
3. 831 views
A city is served by two newspapers—the Tribune and the Daily News. Each Sunday reader purchasesone of the newspapers at a
1. 0 answers
2. asked by Zanobia
3. 830 views
The path of a projectile fired at an inclination t0 to the horizontal with initial velocity v feet per second is a parabola. The
1. 0 answers
2. asked by Jared Smith
3. 805 views
Soft body parts may be preserved for long periods of time by___IS IT AMBER
1. 3 answers
2. asked by Adam
3. 802 views
A 0.5-kg baseball is pitched at 45 m/s and is struck by a bat and sent back toward the pitcher at -45 m/s. If the ball is in
1. 0 answers
2. asked by Horace
3. 800 views
1. What is the name of the bay that is connected to the Atlantic Ocean by the Hudson Strait? The Hudson Bay2.What is the body of
1. 1 answer
2. asked by Reed
3. 788 views
can you check over my answers?Q.) With respect to human rights issues in Southeast Asia, which statement is most accurate?
1. 6 answers
2. asked by nike
3. 779 views
Dru is challanged by her geomtry teacher to estimate the height of the school flag pole without measuring. She decided to walk
1. 3 answers
2. asked by alisa
3. 763 views
Tonight for english I have to print out 2-3 articles about the historical I choose to research. My historical person is Emma
1. 3 answers
2. asked by Laruen
3. 751 views

Back to November 2011

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025