Archives
2015
January

Questions Asked on January 19, 2015

2) Find the temperature at which air posses a density equal to that of hydrogen at 0°C. Density of air at STP is 14.4. Ans:
1. 3 answers
2. asked by Rajat
3. 3,153 views
The points A and B have position vectors, relative to the origin O, given by−−→OA = i+2j+3k and −−→OB = 2i+j+3k. The
1. 2 answers
2. asked by Ariana
3. 9,810 views
An object is moving in the x-direction at 1.1m/s when it undergoes an acceleration a⃗ =0.56j^m/s2.Find its velocity vector
1. 1 answer
2. asked by Anonymous
3. 3,231 views
During which stage of play where a child is no longer concerned about what other children are doing?
1. 1 answer
2. asked by Monica
3. 430 views
Iron 3 hydroxide reacts with acetic acid to form iron 3 acetate and water. If 45.4g of water are formed,what mass of iron 3
1. 2 answers
2. asked by G
3. 2,251 views
If f (x)=x+2 , g(x)=-4x+3, and h(x)=x^2-2x+1, find each value.1. (f x g x h) (3) 2. (h divided by fg) (-6) 3. [ g o ( h o f)]
1. 1 answer
2. asked by Stacey
3. 993 views
If w is some number between 3 and 10, which of the following could be the average of the numbers 4,5,6,7,9 and w?(A)4.6 (B)5.1
1. 1 answer
2. asked by Tiffany
3. 414 views
How do you write a quadratic equation with information saying that it opens upward, has a pattern of 1, 3, 5, and a vertex of
1. 1 answer
2. asked by Anonymous
3. 425 views
Question 3. 3. Lesson plans should be infused with local, state and national standards in order to support (Points : 1
1. 1 answer
2. asked by Anonymous
3. 445 views
Concert took in $162000. Tickets were $8.50 per student and $12.50 per adult. Total if 15000 people attended. How many adults
1. 1 answer
2. asked by Leonora
3. 479 views
Is it better if canadian dollar has high value or low value for canada. I think high value is better. But I'm not sure
1. 2 answers
2. asked by Elizabeth
3. 373 views
Hi Ms. Sue can you let me know if my answers are right? Anyone who can help check my answers will be greatly appreciated! Thank
1. 11 answers
2. asked by BlueSkies
3. 2,676 views
You're sailboarding at 6.1m/s when a wind gust hits, lasting 6.8s accelerating your board at 0.49m/s2 at a 35∘ to your
1. 2 answers
2. asked by Anonymous
3. 717 views
Write an expression for a unit vector at 45∘ clockwise from the x-axis.Express your answer in terms of the unit vectors i^ and
1. 1 answer
2. asked by Anonymous
3. 1,801 views
A car, initially going eastward, rounds a 90 ∘ curve and ends up heading southward.If the speedometer reading remains
1. 1 answer
2. asked by Anonymous
3. 1,231 views
how do i find the number of molecules in a packet of sweetners (splenda, equal, sweet & low).
1. 1 answer
2. asked by andra
3. 381 views
What part does gravity play in the function of the water clock?Explain.
1. 2 answers
2. asked by Daisy
3. 468 views
Mike asks Billy to help him run his lemonade stand. He’ll either pay him 2/5 of ½ of the stand’s profits, or 1/3 of ¾ of
1. 2 answers
2. asked by aradhna
3. 2,867 views
A 6.00 L balloon contains helium at SATP at ground level. What is the volume when it floats up to an altitude where the
1. 1 answer
2. asked by Rose
3. 480 views
A sealed container comtains 1.50 mol of nitrogen gas, 2.00 mol of oxygen gas and 3.50 mol of argon gas. If the total pressure is
1. 1 answer
2. asked by Sandy
3. 716 views
Use molar gas volumes to convert the following gas volumes to amount in moles.A) 1.5 L of carbon monoxide gas at SATP B) 21.5 L
1. 1 answer
2. asked by Cutter
3. 510 views
At a glassware factory, molten cobalt glass is poured into molds to make paperweights. Each mold is a rectanglar prism whose
1. 1 answer
2. asked by Nadia
3. 1,444 views
Find the point on the parabola x+y^2=0 that is closest to the point (0,-3).
1. 1 answer
2. asked by Anonymous
3. 1,729 views
Ms. Sue, Here are my questions you told me to repost. Thank you! I appreciate your help.14. Mark weighs 74 pounds. Together, he
1. 2 answers
2. asked by BlueSkies
3. 1,684 views
A old Chevy accelerates at a rate of 3.8 m/s^2. How much time would it take to reach the speed limit of 100 km if the car was
1. 5 answers
2. asked by Lucina
3. 572 views
You're sailboarding at 6.1m/s when a wind gust hits, lasting 6.8s accelerating your board at 0.49m/s2 at a 35∘ to your
1. 1 answer
2. asked by Anonymous
3. 4,173 views
The Gardiner dam located 100 km south of Saskatoon is largest earth filled dam in the world. Upon it's opening in 1967,
1. 2 answers
2. asked by hinata
3. 1,572 views
let f(x) = x^3 − 2 and g(x) = ^3√ x − 2I can't figure out if these are inverses for each other, I don't know how to put in
1. 1 answer
2. asked by Lauri
3. 387 views
An explosion has occurred in Canada. Its blast radius was a regular circle that can be modelled by the equation x2 +y2=100,
1. 0 answers
2. asked by Leonora
3. 627 views
Planner for a festival is trying to decide what to charge for ticket prices. Based on sampling they determine that if they
1. 0 answers
2. asked by Leonora
3. 465 views
A 50 g lunch pail is lifted up 500 m. If the work required to do this was 1450 J, what's the acceleration?W= mad 1450 = (0.05
1. 2 answers
2. asked by Lucina
3. 571 views
The sum of first 12 terms of an arithmetic series is 186, and the 20th term is 83. What is the sum of first 40 terms?
1. 1 answer
2. asked by josh
3. 569 views
A students tuition was 2800. A loan was obtained for 5/7 of the tuition. How much was the loan
1. 2 answers
2. asked by Dominique
3. 1,087 views
A family has an annual income of 28800. Of this 1/4 is spent for food, 1/5 for housing, 1/10 for clothing, 1/9 for savings, 1/4
1. 2 answers
2. asked by Dominique
3. 1,443 views
When looking at a quilt pattern, How do you describe the minimum number of translations of the original pattern A
1. 0 answers
2. asked by Jill
3. 661 views
20 mL of propene is reacted with 70 ml of hydrogen at STP to produce propane, according to the equation. Calculate the volume of
1. 1 answer
2. asked by Forance
3. 456 views
Does (2+5i)+(-2-4i) equal to 0+1i, or i?
1. 1 answer
2. asked by Anonymous
3. 259 views
Of the following career paths, which is NOT likely to have an apprenticeship program?Electrician Carpenter Accountant Fire
1. 2 answers
2. asked by 2phoneeeeee
3. 876 views
When looking at a quilt pattern, how do you describe the minimum number of translation of a square A. There is 16 total squares.
1. 0 answers
2. asked by Jill
3. 406 views
I have an essay and my topic is "our views of the past change as we mature". So I am stuck on what pieces of evidence I should
1. 2 answers
2. asked by Wendy
3. 2,141 views
An arrow is fired vertically up lands 8 seconds later.Find:[ A] Its maximum height. [B] Its initial speed.
1. 2 answers
2. asked by WELDON
3. 1,664 views
3 PARTClaire and Malia are training for a race A)Claire runs 10 km in 1 hour. How many kilometers does she run in half an hour?
1. 2 answers
2. asked by kymy
3. 946 views
The most common reason for dropping out of a cardio program is?
1. 1 answer
2. asked by sid
3. 515 views
Calculate the new coordinates of a block rotated about x axis by an angle of = 30 degrees. The original coordinates of the block
1. 4 answers
2. asked by Goms
3. 593 views
Write an OpenGL program that allows interactive creation of polygons via mouse input. That is, I click to create new vertices
1. 1 answer
2. asked by Sam
3. 735 views
Consider the titrtation of 25.0mL of 0.0100M Sn2+ by 0.0500M Ti3+ in 1 M HCL, using Pt and Saturated Calomel Electrodes to find
1. 1 answer
2. asked by James
3. 1,066 views
Calculate, with uncertainty, and express with a reasonable number ofsignificant figures. a) 5.4 (±0.2) – 3.7 (±0.4) = b)
1. 1 answer
2. asked by Matt
3. 435 views
Perchloric acid, HClO4, is a strong acid. What are the pH values of thefollowing solutions: a) 3 M perchloric acid b) 0.1 M
1. 1 answer
2. asked by Joshua
3. 590 views
In water at 25°C, which of the following is the most basic solution?a) pH = 3 b) pH = 0 c) [OH-] = 10-13 M d) [H3O+] = 10-13 M
1. 1 answer
2. asked by Daniel
3. 418 views
What are the different evidences used to support the continental drift theory? Give at least four and provide examples for each.
1. 1 answer
2. asked by Colossus
3. 1,173 views
Find the polynomial in X where zeros are -2, -1 and 3.Please someone help me with this. Thanks
1. 2 answers
2. asked by kim
3. 405 views
which of the following has lowest vapour pressure ?1 water 2 bromine 3 ethyl alcohol 4 ether
1. 1 answer
2. asked by abdul sattar
3. 666 views
A bicycle wheel has a diameter of 2 feet and turns at the rate of 70 revolutions per minute. How fast does the wheel move in
1. 1 answer
2. asked by john rick baluran
3. 756 views
if resultant of two forces when they act at an angle of 30 deg is 50N and when they act at 60 deg the resultant is 70N find
1. 2 answers
2. asked by ajay
3. 919 views
Volume of prism 1296 cube cm height 16/√3cm find whole surface area.
1. 1 answer
2. asked by anita
3. 564 views
80 boys used 60 loaves in 12 days. 120 boys needs loaves for 18 days. How many loaves will be needed?
1. 1 answer
2. asked by ed
3. 333 views
The base edge of a square pyramid is 30 cm. The pyramid is 6 cm tall. Find the volume of the pyramid.
1. 3 answers
2. asked by lexi
3. 1,901 views
12m+12=6(3m+3)My answer is -6= -6 which is identity ??? Or is it null or empty??
1. 2 answers
2. asked by CC
3. 383 views
-2(3r+4)= -5r-8-rAnswer I got r=r Question 2 14+8w=4(8+2w) I have 14=48. No solution
1. 2 answers
2. asked by Kent
3. 251 views
A piece of cartolina is 60 cm by 48 cm.What is the least number of squares that can be cut from it with no material wasted?
1. 2 answers
2. asked by phoe
3. 1,039 views
Identify three considerations that should be a part of a program and proposal pre-planning process of grant proposal writing.
1. 1 answer
2. asked by Vivette
3. 534 views
Consider two vectors ~ A and ~ B and their re- sultant ~ A + ~ B . The magnitudes of the vectors ~ A and ~ B are, respectively,
1. 1 answer
2. asked by allan
3. 736 views
Determine the missing value.a) Output value/Efficiency: 100 J Efficiency: 100% Input E = ??? b) Input: 100 J Efficiency: 30%
1. 2 answers
2. asked by Lucina
3. 720 views
-2(k+1)>-16+5kMy answer K <-2
1. 3 answers
2. asked by Tam
3. 614 views
Is xylem or phloem larger in a plant?My answer is xylem is larger in a plant than phloem.
1. 0 answers
2. asked by Lucina
3. 754 views
Uniform motion Related ProblemFive boy scouts biked to Caliraya lake at 5 km/h. their scout master gave them a ride back home in
1. 1 answer
2. asked by Krystal
3. 579 views
If alpha,beta,gamma,delta be the roots of the equation x^4-x^3+2x^2+x+1=0,find the value of 1. (2 alpha + 1)(2 beta + 1)(2 gamma
1. 1 answer
2. asked by Bobo
3. 642 views
Uniform Motion Related ProblemA car travelling at 60 kph left town at 9:00 a.m. Another car travelling at 65 kph left the same
1. 1 answer
2. asked by Krystal
3. 718 views
Explain why a grand jury is used rather than the prosecutor simply issuing a criminal charge.
1. 4 answers
2. asked by kirsten
3. 586 views
Discuss whether or not a defense attorney and/or the defendant can address a grand jury and provide reasoning for why a defense
1. 1 answer
2. asked by kirsten
3. 589 views
You need to prepare 270ml of a 20% sucrose solution (w/v). Sucrose has a molecular formula of C12H22O11. How would you prepare
1. 0 answers
2. asked by Anonymous
3. 510 views
Based on the evidence presented by the prosecutor and the finding of probable cause that a crime was committed, discuss the
1. 0 answers
2. asked by kirsten
3. 484 views
Uniform Motion Related ProblemChester drove his car at 8:00 a.m. at speed of 45 km/hr. At 9:15a.m. Michael followed with his
1. 1 answer
2. asked by Krystal
3. 515 views
1.) Provide all the procedural and substantive ways that a prosecutor and a defense attorney can resolve a case before it goes
1. 3 answers
2. asked by kirsten
3. 605 views
You have been asked to make 200ml of 50% detergent solution (v/v). How would you do it?
1. 0 answers
2. asked by Anonymous
3. 364 views
Uniform Motion Related ProblemTwo cars, 210 km apart, met each other in 2 hours. If one car travelled at 60 kph, at what rate
1. 1 answer
2. asked by Krystal
3. 667 views
You need 25ml of 2% milk solution (v/v. How much milk and water will you need?
1. 0 answers
2. asked by Anonymous
3. 391 views
Uniform Motion Related ProblemTwo cars starting from the same point travel in opposite directions. Car A travels at 80 kph and
1. 1 answer
2. asked by Krystal
3. 629 views
Uniform Motion Related ProblemTwo planes leave an airport at 2 p.m., one flying south at 450 kph, the other flying north at 675
1. 1 answer
2. asked by Krystal
3. 604 views
A 18 kg block is dragged over a rough, hor- izontal surface by a constant force of 131 N acting at an angle of 27 ◦ above the
1. 2 answers
2. asked by allan
3. 2,053 views
Suppose bacteria is growing on a pizza that has been taken out of the refrigerator at a rate that is proportional to the number
1. 1 answer
2. asked by Ben Klotz
3. 573 views
You have a bacterial suspension and you need to dilute it to 0.0010 of the initial concentration so that you can determine the
1. 0 answers
2. asked by Anonymous
3. 426 views
Uniform Motion Related ProblemJessie has a 15 km head start on Melvin. How long will it take Melvin to catch Jessie if the
1. 1 answer
2. asked by Krystal
3. 566 views
You have a stock solution of 100mg/100ml methylene blue and you need 6.0 ml of final solution at 2mg/100ml. Design a serial
1. 0 answers
2. asked by Anonymous
3. 485 views
DNA can perhaps best be compared to a(n)A. secret code or B. electrical circuit
1. 0 answers
2. asked by Student
3. 384 views
a student is drinking a milkshake with a straw from a cylindrical cup with a radius of 5cm. if the student is drinking at a rate
1. 0 answers
2. asked by Anonymous
3. 454 views
Uniform Motion Related ProblemPort A is 25 km downriver from port B. At noon a tugboat leaves port B and travels upstream at 15
1. 1 answer
2. asked by Krystal
3. 613 views
A student is drinking a milkshake with a straw from a cylindrical cup with a radius of 5cm. if the student is drinking at a rate
1. 2 answers
2. asked by Ben
3. 1,609 views
A submarine dives 196.0 m at an angle of 18.0 ◦ below the horizontal. What is the horizontal component of the submarine’s
1. 2 answers
2. asked by allan
3. 1,035 views
For triangle MNP shown, find the value of x and the measure of each of the three angles.
1. 0 answers
2. asked by Anonymous
3. 446 views
A truck travels 1710 m uphill along a road that makes a constant angle of 5 . 08 ◦ with the horizontal. Find the magnitude of
1. 2 answers
2. asked by allan
3. 2,247 views
How could genetic engineering of plants be useful to people? Give examples
1. 0 answers
2. asked by Student
3. 371 views
A 30.0 kg block falls from a height of 30,4 m.assuming a closed system its speed just before hitting the ground is about?
1. 1 answer
2. asked by Cherri
3. 395 views
For triangle MNP, find the value of x and the measure of each of the three angles.at the top of the triangle is X degrees and
1. 2 answers
2. asked by reece
3. 2,045 views
find f(x), if f'(x)=2x-3 and the graph of y=f(x) contains the point (2,5).
1. 1 answer
2. asked by Frank
3. 297 views
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 4.8
1. 1 answer
2. asked by Anonymous
3. 1,042 views
What volume of 0.0658 M calcium hydroxide is required to neutralize 45.10 mL of 0.0242 M nitric acid?
1. 1 answer
2. asked by Anonymous
3. 525 views
Activation Energy is big power that comes fromdoing little things solving problems knowing your own story********* serving
1. 1 answer
2. asked by school lover
3. 1,456 views
The Enlightenment thinkers led the Founding Fathers to believe thatkings should have unlimited power over their subjects people
1. 5 answers
2. asked by jeje
3. 1,066 views
Every night when Samantha came home from work she put any change she had in her pockets into a jar. One day she wanted to know
1. 3 answers
2. asked by samantha
3. 588 views

Back to January 2015

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024