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2011
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Questions Asked on September 10, 2011

What is the amount of energy of calories to heat 8.5g of water from 15 C to 36 C?I think you take 8.5g x 21 degree C, but then I
1. 3 answers
2. asked by Connie
3. 9,098 views
calculate the amount of 95% marble required to obtain 11.2Litres OF CARBON DIOXIDE
1. 3 answers
2. asked by sum
3. 3,570 views
the price of a jacket was reduced by10%. during a special sale, the price was discounted another 10%. what was the total
1. 4 answers
2. asked by Steph
3. 3,521 views
The figure shows the velocity of a solar-powered car as a function of time. The driver accelerates from a stop sign, cruises for
1. 3 answers
2. asked by Anonymous
3. 3,319 views
A single card is drawn from a standard deck of cards. Find the following probabilities. A face card is a jack, queen, or king.P(
1. 5 answers
2. asked by Bes
3. 3,073 views
You carefully weigh out 19.00 of powder and add it to 76.95 of solution. You notice bubbles as a reaction takes place. You then
1. 2 answers
2. asked by ALISON
3. 3,039 views
Aristotle beleived that wood was a combination of fire, water, and earth. Use his 4 element theory to explain why a wooden boat
1. 3 answers
2. asked by Anonymous
3. 2,539 views
The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 51 m when
1. 2 answers
2. asked by Jimmy
3. 2,428 views
A car moving with constant acceleration covered the distance between two points 60.0 m apart in 6.00 s. Its speed as it passed
1. 3 answers
2. asked by Rebekah
3. 2,227 views
Cruise industries purchased $10,800 of merchandise on February 1, 2007, subject to a discount trade of 10% and with credit terms
1. 1 answer
2. asked by Nick
3. 2,177 views
the radius of earth is 4000 miles, how far would you travel in going around the equator?
1. 7 answers
2. asked by katy
3. 2,046 views
a gazelle attempts to leap a 1.8 meter fence. assuming a 45 degree takeoff angle, what's the minimum speed for the jump?
1. 1 answer
2. asked by nabeelah
3. 2,020 views
suppose the president vettoed a bill passed by congress according to the information which of the following actions by congress
1. 7 answers
2. asked by mama
3. 1,932 views
When 1.0 of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74How many megajoules are released when
1. 2 answers
2. asked by nicole
3. 1,768 views
A freight train has a mass of 1.0 10^7 kg. If the locomotive can exert a constant pull of 7.5 10^5 N, how long does it take to
1. 1 answer
2. asked by Ozy
3. 1,660 views
Find the volume of the solid whose base is the semicircle y=sqrt(16−x^2) where −4 is less then or equal to x which is less
1. 1 answer
2. asked by Sean
3. 1,574 views
Which of the following statements accurately expresses the differences between verbal and nonverbal behavior?1.Nonverbal
1. 1 answer
2. asked by Hans
3. 1,519 views
if the radius of the earth's orbit around the sun is 93,000,000 miles, what is the speed of the earth in it's orbit in miles per
1. 1 answer
2. asked by katy
3. 1,491 views
What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at
1. 1 answer
2. asked by Sue
3. 1,479 views
What is the value of x and KL if K is between J and L?JK=6x, KL=3x, and JL=27
1. 1 answer
2. asked by Sarah
3. 1,478 views
i need to make a taxonomic key for fruite apple orange strawberry banana can you help me with that
1. 2 answers
2. asked by MAtt
3. 1,446 views
How many moles of H2O (g) are produced when 4.3 grams O2 (g) are consumed?C4H6+O2-->CO2+H2O My try at balance is:
1. 1 answer
2. asked by Aha
3. 1,418 views
find the slope if it exists of the line containing the pair of points(7,1) and (10,-8) I have a slope of -3 is this correct?
1. 2 answers
2. asked by Anonymous
3. 1,402 views
Which of the following statements is true concerning finding similarities?1. An accurate way to assess similarities is to focus
1. 6 answers
2. asked by Nicole
3. 1,236 views
In a game against the White Sox, baseball pitcher Nolan Ryan threw a pitch measured at 40.4 m/s. If it was 18.7 m from Nolan's
1. 2 answers
2. asked by Unknown
3. 1,222 views
The figure shows the velocity of a solar-powered car as a function of time. The driver accelerates from a stop sign, cruises for
1. 1 answer
2. asked by Anonymous
3. 1,182 views
A block of mass 1.4kg is placed on a rough surface. the coefficient of friction between the surfaces is 0.58. A constance force
1. 0 answers
2. asked by usha
3. 1,170 views
In which of the following instances are people more likely to look directly at their conversational partner?1when you are
1. 2 answers
2. asked by Nicole
3. 1,157 views
Find the area of the region between the graph of y=1/x, the x-axis, and the vertical lines x = 1 and x = 4.
1. 1 answer
2. asked by Lena
3. 1,154 views
solve the system of linear equations using the Gauss- Jordan elimination methodx1- x2+ 4x3 = 15 x1+ x2 = X3 = 4 -3X1-X2 + X3 =
1. 1 answer
2. asked by gloria
3. 1,139 views
Calculate the amount of heat required to heat a 3.8 gold bar from 30 to 67. Specific heat capacity of gold is 0.128 .
1. 1 answer
2. asked by Anonymous
3. 1,103 views
I urgently need you to check these descriptions I wrote myself, mailny grammar and word choice. Thank you.1)Photo A shows people
1. 1 answer
2. asked by Henry2
3. 1,088 views
(A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 km. form the finish line, a bird begins flying from the
1. 1 answer
2. asked by esmeralda
3. 1,084 views
Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be
1. 0 answers
2. asked by Catherine
3. 1,069 views
What was unique about Native Americans 1600?I know that they were one of nature, they were in tribes and had lots of traditions
1. 0 answers
2. asked by Ann
3. 1,067 views
A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has:Answer no energy.
1. 1 answer
2. asked by Allison
3. 1,057 views
According to the rule for optimal input usage, a firm should hire a person as long as his or her marginal revenue product is
1. 1 answer
2. asked by aaniya gill
3. 1,052 views
Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45
1. 0 answers
2. asked by Jean
3. 1,039 views
Tickets for the Universal Studios amusement park are priced at $32 for Senior Citizens,$66 for adults and $48 for children.
1. 3 answers
2. asked by mathsmad
3. 1,032 views
A typical virus is a packet of protein and DNA (or RNA) and can be spherical in shape. The influenza A virus is a spherical
1. 2 answers
2. asked by Unknown
3. 1,020 views
Energy needed to keep a 75w bulb burning for 1 hour = 270kj Calculate energy neede to keep it burning for 3 hours?In J and kcal?
1. 1 answer
2. asked by Connie
3. 993 views
Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45
1. 1 answer
2. asked by Jean
3. 982 views
(A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 km. form the finish line, a bird begins flying from the
1. 1 answer
2. asked by esmeralda
3. 968 views
What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C?Thank YOu
1. 0 answers
2. asked by Connie
3. 966 views
Explain altruism from your point of view. Do you believe true altruism exists? Why or why not? Give one example, of yours are
1. 3 answers
2. asked by Sharon
3. 960 views
Is the scientific method a clearly-defined set of steps and procedures?I don't think so... There is not just one scientific
1. 0 answers
2. asked by Anonymous
3. 954 views
the managing director of a well-known company on wall street thrives on a diet of fruit jam, bread, pasta, and coffee. She
1. 1 answer
2. asked by ROCKY
3. 909 views
A jet plane lands with a speed of 110 m/s and can accelerate with a maximum magnitude of 7.00 m/s2 as it comes to rest.(a) From
1. 0 answers
2. asked by KM
3. 906 views
write a paragraph to explain how purpose, audience, tone, and content impact academic writing.
1. 2 answers
2. asked by cathy
3. 900 views
A locomotive is accelerating at 2.0 m/s2. It passes through a 20.0-m-wide crossing in a time of 2.8 s. After the locomotive
1. 1 answer
2. asked by Danny
3. 895 views
In a right triangle ABC, C = 90°, B = 38° 35' and a = 6.434 mi. Solve for all the missing parts using the given information.
1. 2 answers
2. asked by Jennifer
3. 891 views
What's the general solution for 3sin^2x+sinxcosx=2
1. 2 answers
2. asked by Piwokazi
3. 880 views
To what extent would it be accurate to say that the New England, Middle, and Southern colonies had merged to create a single
1. 0 answers
2. asked by Elizabeth
3. 873 views
what is three issues related to role confusion that a teacher may feel communicate?
1. 1 answer
2. asked by Daisy
3. 868 views
a woman walks 2 km due east and then walks 4 km in the direction 30 degrees north of east. what is her magnitude of displacement
1. 1 answer
2. asked by arty
3. 858 views
given that f(x)=x^11h(x)h(-1)=4 h'(-1)=7 find f'(-1)
1. 1 answer
2. asked by mike
3. 855 views
CONSTRUCT ANGLE ABC WHERE AB=AC=10cm AND BC=9cm .MEASURE AND WRITE DOWN THE SIZE OF ABC
1. 1 answer
2. asked by ZAHRA ALI
3. 855 views
How many KJ are released when 75.0g of steam at 100 degree C condenses cools to 0 degree C and freezes at 0 degree C?I set it up
1. 0 answers
2. asked by Sue
3. 846 views
Evaluate h(x) for the following values of x?Consider the following function. h(x) = (tan(x)-x)/x^3 (a) Evaluate h(x) for the
1. 1 answer
2. asked by Ram
3. 811 views
How to write an equation for this problem: A boat rental company charges a $5 usage fee and $10 an hour to rent a canoe. How
1. 2 answers
2. asked by Jonathan
3. 803 views
Just started learning about the scientific notation, and its actually quite easy, but I don't know why im still struggling with
1. 1 answer
2. asked by Anonymous
3. 799 views
A dialog between dead men by jorge luis borges.the guy who says "how grievous it is to see such a distinguished soldier brought
1. 2 answers
2. asked by Skylar
3. 783 views
How to write an equation for this problem: A boat rental company charges a $5 usage fee and $10 an hour to rent a canoe. How
1. 1 answer
2. asked by Jonathan
3. 776 views
The voltage E of an alternating current electrical circuit can be represented by the sinusoidal function E = 220 cos( t), where
1. 1 answer
2. asked by Anonymous
3. 771 views
A truck is traveling with a uniform velocity 24 m/s, when it passes a car at rest, at this instant the car starts to move and
1. 1 answer
2. asked by jesthony
3. 762 views
Although the Chesapeake and New England colonies differed in many ways, relations with Native Americans followed a similar
1. 0 answers
2. asked by Tim
3. 761 views
Which would be an appropriate way to use the DECIDE tool in response to research suggesting that there are differences between
1. 0 answers
2. asked by Hans
3. 755 views
An airplane lands and starts down the runway at a southwest velocity of 43 m/s. What constant acceleration allows it to come to
1. 1 answer
2. asked by Unknown
3. 746 views
1. The mean and standard deviation of the grades of a group of students who took an economic exam were 69 and 7, respectively.
1. 1 answer
2. asked by Larry English
3. 732 views
It takes Todd 3 hours longer than Tom to paint a 4x5 feet bedroom. Working together, both can complete the job in two hours.How
1. 1 answer
2. asked by Laowe
3. 729 views
a sample of 120 men and women randomly divided into 3 groups with 40 people per group. group 1 members varied their workouts.
1. 2 answers
2. asked by nancy
3. 718 views
The technology cewnter bought a fax machine for $625.00 and it depreciates at a rate of $25.00 a month. Find a function(f) that
1. 1 answer
2. asked by Anonymous
3. 718 views
A bus travels 270 km south along a straightpath with an average velocity of 89 km/h to the south. The bus stops for 25 min, then
1. 0 answers
2. asked by R.S.
3. 717 views
One more. If you are a resident of Canberra, Australia, are you a resident of an island or a continent? Is this a trick
1. 1 answer
2. asked by Reed
3. 715 views
Let F(a) be the area between the x-axis and the graph of y=x^2cos(x/4) between x=0 and x=a, for a>0 (consider the area to be
1. 2 answers
2. asked by Catherine
3. 708 views
Why are lines of latitude and longitude important? My answer--- They are important because they help you locate exactly where a
1. 1 answer
2. asked by Reed
3. 707 views
Posted by Connie on Saturday, September 10, 2011 at 10:36am.What is the amount of energy of calories to heat 8.5g of water from
1. 0 answers
2. asked by Connie
3. 687 views
A geometric progression has a third term of 20 band sum to infinity which is three times the first term. find the first term.
1. 2 answers
2. asked by Tejiri
3. 685 views
How to draw the structural diagram of 2,3 dichlorohexane
1. 1 answer
2. asked by Tarkan
3. 677 views
a roller whose diamater is 1.0m.weight 360N.what horizontal force is necessary to pull the roller over a brick 0.1m,heigh when
1. 0 answers
2. asked by jack
3. 673 views
Why is problem solving considered the highest level of mental activity? What makes an individual good at problem solving?
1. 1 answer
2. asked by Linda
3. 666 views
I need to create a 100ml buffer with a pH of 4.00 using 0.100M Benzoic acid (pKa = 4.20)and 0.180M sodium benzoate. What volume
1. 4 answers
2. asked by amy
3. 664 views
One half of the sum of three consecutive multiples of 10 is 90. What are the multiples of 10?
1. 1 answer
2. asked by Ariel
3. 654 views
A football is thrown upward at a(n) 23◦ angleto the horizontal.The acceleration of gravity is 9.8 m/s To throw a(n) 52 m pass,
1. 0 answers
2. asked by Anonymous
3. 651 views
Russia's historical roots date back to the? A)400s B)600s C)800s D)1000s
1. 1 answer
2. asked by bab
3. 649 views
There were 1000 students at the parade ground and indoor sports hall. 40% of the 600 students at the parade ground were girls.
1. 0 answers
2. asked by jiejie
3. 645 views
a theater seating 300 charges $1 for children $2 for students and $5 for adult half as many adult and children and students
1. 1 answer
2. asked by gloria
3. 637 views
determine whether the system of alinear equqtion has one and only one solutions or no solutions find all solutions whenever they
1. 1 answer
2. asked by gloria
3. 634 views
a) Evaluate each power 3^1, 3^2, 3^4, 3^5, 3^6b) Examine the final digit of each of your answers. What pattern do you notice?
1. 11 answers
2. asked by Vanessa
3. 631 views
A tram starts from rest atone station and comes to a stop one minute later at the next. It accelerates uniformly at 2m/s2 until
1. 1 answer
2. asked by Anonymous
3. 624 views
5m+n=34m-2n=9
1. 3 answers
2. asked by erma
3. 618 views
This is concerning Rotation. If it is dawn in the eastern United States, what is it in the western United States? Why? My answer
1. 2 answers
2. asked by Reed
3. 607 views
Exponential NotationEvaluate the following: x^-4 for x=2 I understand the -(2x2x2x2) equals 16 but the answer in the book says
1. 2 answers
2. asked by Ann
3. 603 views
I left out the following sentences. I hope you can have a look at them. I need you to check the word choice, please.1) Photo B
1. 1 answer
2. asked by Henry2
3. 596 views
I used your synonym link. I included the words I found in parentheses. Can you check if they are appropriate, please? Thank you.
1. 1 answer
2. asked by Henry2
3. 591 views
Mdm P bought a tv set at a discount of 40%. GST(Goods and Services Tax)of 7% was charged for the purchase.She paid a down
1. 1 answer
2. asked by mathsmad
3. 584 views
There were 335 children in a hall. 1/4 of the girls and 2/5 of the boys are swimmers. There are 110 swimmers in all. How many
1. 1 answer
2. asked by jiejie
3. 581 views
a) Evaluate each power 3^1, 3^2, 3^3,3^4, 3^5, 3^6b) Examine the final digit of each of your answers. What pattern do you
1. 2 answers
2. asked by Vanessa
3. 574 views
Do you think that in the Post-Washington Consensus the developing world will be better off economically and politically
1. 2 answers
2. asked by amber
3. 570 views
Two trucks having equal speeds hit their brakes at the same time, but truck has three times the acceleration as truck .Question:
1. 1 answer
2. asked by Ashley
3. 565 views

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