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Questions Asked on September 4, 2010

Is diamond a pure substance, a homogeneous mixture or a heterogeneous mixture????
1. 5 answers
2. asked by person
3. 4,363 views
If the same amount of heat is supplied to sample of 10.0g each aluminum, iron,and copper all at 15 degrees celsius which sample
1. 2 answers
2. asked by amy
3. 4,059 views
In this lab: we demonstrated the method of evaporation of a saturated sodium chloride solution.The following question ask: 1)
1. 3 answers
2. asked by Tim
3. 3,759 views
The number of significant figures in 0.00150 is ....
1. 4 answers
2. asked by sandhya
3. 2,289 views
Ifcot(x) = −19/18 , where x is in Quadrant IV, what is the exact value of sin(2x)?
1. 1 answer
2. asked by Aly
3. 2,013 views
i need someone to check my answers. i know that i got alot wrong but please no harsh comments. thank you. my answers are at the
1. 8 answers
2. asked by sabrina
3. 1,723 views
Car A, with mass of 1735kg, was traveling north at 45.5km/h and car B, with a mass of 2540kg, was traveling west at 37.7km/h
1. 3 answers
2. asked by Shaila
3. 1,515 views
The sies of a triangle are 9cm, 12 cm and 15cm. Find the lenght of the perpendicular drawn to the side which is 15 cm.
1. 1 answer
2. asked by rishabh
3. 1,260 views
There is a piece of wire 200 cm long. It needs to be cut into 2 pieces, with one piece forming an equilateral triangle and the
1. 1 answer
2. asked by Ce
3. 1,189 views
how can the formatting of business messages received effect their level of success whether its a professional or customer
1. 6 answers
2. asked by Bryan
3. 1,125 views
Can you help me with this problem?5(6-4v)=v+21 I got v= 0.42 but I'm not sure if it's right.
1. 3 answers
2. asked by miami
3. 1,122 views
Suppose a basketball player is an excellent free throw shooter and makes 91% of his free throws (i.e., he has a 91% chance of
1. 1 answer
2. asked by Sarah
3. 1,118 views
A 6.2 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.41 m above the
1. 1 answer
2. asked by ashley
3. 1,096 views
1. A baseball diamond is actually a square, 90 feet on each side. What is the distance from third base to first base?2. The
1. 2 answers
2. asked by summer
3. 1,095 views
Balance the equation?C4H10 (g) + ?O2 (g) ! ?CO2 (g) + ?H2O(g) , using the smallest possible integers. What is the coefficient of
1. 1 answer
2. asked by Anonymous
3. 1,063 views
We conduct an experiment by shining 500nm light on potassium metal. This causes electrons to be emitted from the surface via the
1. 3 answers
2. asked by bill
3. 1,051 views
a car starting from rest is accelerated at 2m/s(square) for 10s, then moves at constant velocity for 20s and then decelerates at
1. 3 answers
2. asked by Dana
3. 1,045 views
A charge of -3.35 nC and a charge of -7.00 nC are separated by a distance of 40.0 cm. Find the position at which a third charge
1. 1 answer
2. asked by lisa
3. 1,018 views
Which economic system works best when there is a crisis of epic proportion?
1. 0 answers
2. asked by mary
3. 999 views
what is the additive and multiplicative inverse of-8 and 1.5
1. 1 answer
2. asked by monique n
3. 961 views
A dart gun is fired while being held horizontally at a height of 1.38m above ground level, and at rest relative to the ground.
1. 1 answer
2. asked by Mimi
3. 954 views
·Write a 700- to 1,050-word essay in which you answer the following questions:Conduct research to determine if the ethnic group
1. 1 answer
2. asked by lisa
3. 892 views
Which of the following is true regarding the relationship between ODD and CD?A. most children who display ODD go to to later
1. 4 answers
2. asked by Anonymous
3. 891 views
reasonable suspicion is sufficient for which of the following four areas of police work?A) Arrests B) Traffic stops C) Searches
1. 4 answers
2. asked by Melisa
3. 841 views
Suppose a U.S. presidential candidate announced that, if elected, he would create a national park out of trash. For a period of
1. 3 answers
2. asked by Anonymous
3. 838 views
1)Canadians have been called “hewers of wood and drawers of water.” What does this phrase mean when applied to the Canadian
1. 1 answer
2. asked by prethy
3. 832 views
decision making/ which factor of production is represented by each of the followinga) an office building b)an assembly line
1. 2 answers
2. asked by rolanado
3. 774 views
Consider the plane that contains points A(2,3,1), B(-11,1,2), C(-7,-3,-6).a) Find two vectors that are parallel to the plane.
1. 0 answers
2. asked by Shaila
3. 761 views
A sample of 8.44 grams of NaOH is dissolved into 536 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then
1. 1 answer
2. asked by Alex
3. 753 views
how is this equation derivedV'2= V1(2M1)/(M1+M2) (elastic collision - where one object is moving and the other is stationary)
1. 1 answer
2. asked by Shaila
3. 729 views
A microwave oven has a power requirement of 1235 W. A frozen dinner requires 6.0 min to heat on full power.(a) How much
1. 2 answers
2. asked by ashley
3. 719 views
I am required to write 2 different paragraphs for a Penn Foster Assignment.In paragraph 1 I am to bring a polished paragraph on
1. 1 answer
2. asked by Debby
3. 697 views
Mrs Sue please help with checking my answers,TKS1. Today in class you’re going to talk to your students about Vitamin C and
1. 7 answers
2. asked by Anonymous
3. 687 views
Consider the functionf(x)=–3x3–1x2+1x+1Find the average slope of this function on the interval (–2–1). By the Mean Value
1. 1 answer
2. asked by Jin
3. 678 views
A plane is defined by the equations x-4y+2z=16. Find two vectors parallel to the plane.
1. 2 answers
2. asked by Shaila
3. 672 views
write this number in decimal form4.05 * 10^3
1. 3 answers
2. asked by ant
3. 668 views
A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C.
1. 1 answer
2. asked by rebekah
3. 666 views
Dangling modifiers - are these right? Second entry is my corrected version.1. In 1883, massive destruction was caused by the
1. 1 answer
2. asked by Shawn
3. 665 views
Reading readiness of preschoolers from an impoverished neighborhood (n = 20) was measured using a standardized test. Nationally,
1. 2 answers
2. asked by Elizabeth
3. 647 views
The general supply function for new housing in Miami is estimated to be Qs=96+2P-10Pl-4Pk where P is the price per square foot
1. 0 answers
2. asked by Managerial economics
3. 636 views
The depletion of the Earth's ozone layer has created concern among some health experts. They believe that dramatic increases in
1. 1 answer
2. asked by Anonymous
3. 631 views
What is a group in Canada that is basically self-sufficient today? Explain
1. 2 answers
2. asked by prethy
3. 630 views
Another way to change these sentences "In conclusion, it takes discipline, time management, preparation, a computer, various
1. 2 answers
2. asked by Terrie
3. 622 views
Can someone show me how to use the quadratic formula to solve this problem.This is for extra credit.I don't uderstand how to do
1. 2 answers
2. asked by Trina
3. 614 views
a mountain, 200 feet above sea level, is near a valley 700 feet below sea level. How many feet higher is the mountain than the
1. 3 answers
2. asked by bart
3. 612 views
The vertices of a parallelogram are the origin and the points A(-1,4), B(3,6), and C(7,2). Write the vector equations of the
1. 1 answer
2. asked by Shaila
3. 608 views
What does it mean to use a "process-oriented approach" in writing?
1. 3 answers
2. asked by Bryan
3. 606 views
a mountain, 100 feet above sea level, is near a valley 700 feet below sea level. How many feet higher is the mountain than the
1. 1 answer
2. asked by bart
3. 603 views
A 32-year-old man has trouble tying his shoelaces, writing, and walking in a straight line. A computed tomographic (special
1. 2 answers
2. asked by Nikki
3. 599 views
I hate math,It is hard no matter how I study.What is 30% of $1742.00?If possible I am having problem with a school that keeps
1. 4 answers
2. asked by tris
3. 595 views
You are given the following two planes:x+4y-3z-12=0 x+6y-2z-22=0 a) Determine if the planes are parallel b) Fine the line of
1. 0 answers
2. asked by Shaila
3. 582 views
Identify the property that justifies the statement 1q equal q
1. 1 answer
2. asked by Shelia
3. 581 views
I have a graph plotted which makes a straight line (linear graph)The points are as follows X , Y (.25, 0.593) (.50, 1.161) (.75,
1. 3 answers
2. asked by j
3. 577 views
I need to see how to arrange 8-1/5y=10x to mx+b form Is it -1/5y=10x-8? I need the slope and y intercept. Thanks much to who
1. 1 answer
2. asked by barb
3. 555 views
A ________ is about the size of a dime, the width of a sugar cube, the length of a bee or small bug, or the size of a bean.a)
1. 3 answers
2. asked by pam
3. 544 views
f(x)=8x^3+1x^2–8x+2/–7x^2–4x+9Find the equation of the non-vertical asymptote. y = Does f(x) intersect its non-vertical
1. 1 answer
2. asked by Jin
3. 525 views
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or
1. 1 answer
2. asked by Cassidy
3. 514 views
use the quadratic formula to solve the equation 2x^2-3x=-6
1. 1 answer
2. asked by jen
3. 509 views
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.
1. 1 answer
2. asked by Sarah
3. 509 views
Give an example of a function f which is defined at c which limit as x approaches c of f(x) exists, but that limit does not
1. 0 answers
2. asked by Anonymous
3. 499 views
I have to write < , >, or = for the ?sqrt 2 ? 1.41 sqrt 2 = 1.41421356237... Would it be sqrt 2 > 1.41
1. 1 answer
2. asked by Amy~
3. 497 views
"Tsunamis" are giant waves caused by earthquakes under the ocean floor. They ________ islands and coastlines?a.) provide
1. 2 answers
2. asked by pam
3. 495 views
A vector representing 190 N is oriented at 38◦with the horizontal. What is the magnitude of its horizontal component?
1. 1 answer
2. asked by Nikki
3. 491 views
ok so i have to pick a product basically that is like a fraud and it has to be a hair product. then i have to write a summary
1. 1 answer
2. asked by Maryanne
3. 490 views
how high must a 2 kg basketball be thrown so that the top of its arc, it has a potential energy of 160J?
1. 1 answer
2. asked by cheryl
3. 475 views
Why should children be taught about child abuse and foster care?
1. 2 answers
2. asked by Laura
3. 472 views
How did "interdependence" and the principle of trade replace "self-sufficiency" among Aboriginals in Canada?
1. 1 answer
2. asked by prethy
3. 469 views
peter has 3 different kinds of buttons in one box. there are 124 more ivory buttons than plastic buttons and 1/3 as many wooden
1. 1 answer
2. asked by mi
3. 466 views
the width of a door and the length of a baseball ball are about a ______ long.a)meter b)centimeter c) liter d) kilometer e) none
1. 4 answers
2. asked by bart
3. 466 views
Hi,for my review and response paper on gospel of mary I have to inegrate it with other readings that we've done in class: Crow,
1. 1 answer
2. asked by y912f
3. 464 views
what is the standard SI unit for measuring mass?kilogram just need to know if that's the right answer or not.
1. 1 answer
2. asked by bart
3. 463 views
how do i solve for y in the equation -5y(6y - 6) - y = -4(y - 5)
1. 2 answers
2. asked by Ana
3. 461 views
Where can I find several small articles on business and accounting ethics?
1. 1 answer
2. asked by Bryan
3. 449 views
a ______ is the main unit of measure in the metric systema)millimeter b)kilometer c)centimeter d)meter e) none of the above d
1. 2 answers
2. asked by pam
3. 446 views
when Flour, water, sugar and other ingredients are combined and baked into a cakeis that a chemical change?
1. 1 answer
2. asked by hannah
3. 440 views
A line has the same x-intercept as[x,y,z]=[-21,8,14]+t[-12,4,7] and the same y-intercept as [x,y,z]=[6,-8,12]+s[2,-5,4]. Write
1. 0 answers
2. asked by Shaila
3. 439 views
Limit as x approaches 8 of[(8-9x)^(1/3)]/[(x-6)^3] ...I'm not quite sure how to approach this question. Help please? thank you!
1. 1 answer
2. asked by Anonymous
3. 432 views
Add.(5c^4-3c^3+4c^2+15c-6)+(c^5+9c^3+6c^2-4c+2)+(-8c^4+c^2-7c-8)
1. 0 answers
2. asked by Joey
3. 423 views
CRITICAL THINKING why might and economist look at hundreds of cars moving along and assembly line and say , "there is an example
1. 1 answer
2. asked by rolanado
3. 414 views
In the reaction: Protection of 1-Phenylethanol by 3,4-Dihydro-2H-pyran, 1-phenylethanol, 3,4-Dihydro-2H-pyran and anhydrous
1. 1 answer
2. asked by Alan
3. 410 views
given a pair of dice, design and explain two games: one must be fair, and the other unfair.
1. 0 answers
2. asked by Tenderly
3. 396 views
ok is the answer x=6 for this problem which is (2)/(3)(x+6)=0?
1. 5 answers
2. asked by maria
3. 387 views
what makes law differ from those on the books to those in action. don't all laws have an action component?
1. 2 answers
2. asked by llisa
3. 383 views
which of these is an SI base unit?a) joule b) inch c) meter C
1. 1 answer
2. asked by pam
3. 382 views
the waters in the polar region are _______ those in the equator regionA. colder than B. warmer than C. The same temperature as
1. 2 answers
2. asked by pam
3. 378 views
prefix of osterperosis
1. 2 answers
2. asked by jane
3. 377 views
1/x^2+5/x=4 Can someone please help me with this problem by showing the steps that I would have to do to get the answer? I have
1. 1 answer
2. asked by jessica
3. 364 views
write this number in decimal form7.73 * 10^-3
1. 1 answer
2. asked by ant
3. 363 views
What does this mean?One should not accept people at face value?
1. 1 answer
2. asked by Monica
3. 347 views
answer to this problem in scientific notation4.20 * 10^3 / 6.00 * 10^7
1. 1 answer
2. asked by ant
3. 344 views
the length of a rectangle is fixed at 12 cm what widths will make the primeter greater then 90 cm
1. 1 answer
2. asked by cassie
3. 325 views
write an expression for the mean of 4,5,6,7 and 8
1. 1 answer
2. asked by Brandon
3. 294 views

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