Liza
Most popular questions and responses by Liza
math
A picture 1.5 in by 2.5 in is enlarged in the ratio 5:8. Find the dimensions of the enlarged copy
asked on January 24, 2016 
algebra
List all the numbers from the given set that are, a.natural numbers b.whole numbers c.integers d.rational numbers, e.irrational numbers {9,4/5,0,0.25,ã3,9.2,ã100}
asked on September 1, 2009 
Physics
The coefficient of kinetic friction between a rubber tire and a dry concrete road is 0.700. What is the distance in which a car skid to a stop on such a road if its brakes are locked when it is moving at 60 km/h?
asked on February 26, 2018 
CHEM
For a crystal with formula BaCl2.xH2O, a student conducted a gravity experiment and found out that 2.44 gram of this crystal can lost mass 0.36 gram when heated to 150 degree. Suppose water is the only reason of weight loss, what is the x value here?
asked on October 6, 2015 
Chemistry Lab
Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (31)? and eqn. (32)? (31) Fe(s) + Cu^2+ (aq)  Fe^2 (aq)+ Cu (s) (32) 2Fe(s)+ 3Cu^2+(aq)  2Fe^3+ (aq) +3Cu (s)
asked on September 12, 2015 
chemistry
a student mixed a 50.0mL of water containing 0.50 mols of HCl at 22.5 degC with 50.0 mL of water containing 0.50 mol NaOH at 22.5 degC in a foam cup calorimeter.the temp increases to 26.0 degC. how much heat in kJ was released by the reaction? please show
asked on January 20, 2010 
Geography.../what does this mean?
" The earth's physical landscape is the result of conflict between forces..." Explain what this means. Thanks. Is it possible that forces move Earth around, sometimes the movement is opposing another landforce, they collide, and one slide under?
asked on April 3, 2007 
math
What is another way to write –3 • (4 + 7)? A –3 • 4 + 7 b –3 • 4 • 7 c –3 • 4 + 4 • 7 d –3 • 4 + (–3) • 7 *** I picked D because both results in 33
asked on August 25, 2016 
statistics
The lifetime of a type of electric bulb has expected value µ = 475 hours and standard deviation σ = 60 hours. (a) Use the central limit theorem to determine the expected value and standard deviation of the sample mean of n such lightbulbs where n = 100,
asked on April 6, 2017 
Chemistry
Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (31)? and eqn. (32)?
asked on September 12, 2015 
Math/Precalculus
Assume that the number of bacteria follows an exponential growth model: P(t)=P0e^k/t. The count in the bacteria culture was 400 after 10 minutes and 1500 after 35 minutes. (a) What was the initial size of the culture? (b) Find the population after 85
asked on June 19, 2017 
Physics
What should be the angle between two vectors of magnitudes 3.20 and 5.70 units, so that their resultant has a magnitude of 6.10 units?
asked on January 11, 2010 
Math
Choose an appropriate metric unit for the mass of concrete in a section of the sidewalk Please help math double test
asked on April 26, 2019 
Math
Fill in missing values for a rectangular prism? Length is 8. Width is missing. Height is 14. Surface area is missing. Volume is 324.8
asked on February 2, 2017 
math
Brandon is deepsea diving with Katie, who is to the south of him. A fish emerges from a hole to the east of Katie. The fish swims 6.1 meters to Katie and then swims 7.4 meters to Brandon. The fish then swims back to its hole and disappears. How far did
asked on August 18, 2017 
chemistry
Calculate the molarity of a solution made by diluting 0.200 L of 1.00M HCl solution to a volume of 1.00 L
asked on November 12, 2010 
University math grade 11 Trig
A very tall light standard is swaying in an eastwest direction in a strong wind. An observer notes that the time difference between the vertical position and the furthest point of sway was 2 seconds. The pole is 40 metres tall. At the furthest point of
asked on June 20, 2009 
Math
In a state legislature there were 119 more members in the House of Representatives than in senate. If there were m members in senate, write an expression to represent the totial members in the state legislature. PLZ HELP!!!!!
asked on March 28, 2017 
physics
In prepairing a tea 600g of water at 90 degrees celsius is poured into a 200g China pot.Cpot=840 J/kg degrees celsius at 20 degrees celsius. What is the final temperature of water?
asked on September 8, 2016 
finance
A company wants to build a new factory for increased capacity. Using the net present value (NPV) method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Building a new factory will
asked on November 18, 2010 
finance
A company wants to invest in a new advertising program. Using the NPV method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • The new program will increase current sales, $10
asked on November 18, 2010 
Physics
An object is released from rest at height h above the surface of the Earth, where h is much smaller than the radius of the Earth. It takes t seconds to fall to the ground. At what height should this object be released from rest in order to take 2t seconds
asked on June 23, 2012 
math
the third term of a geometric sequence is t3= 75 and the sixth term is t6= 9375. determine the first term and the common ratio
asked on January 4, 2011 
Probability Statistics
a manufacturing plant uses 3000 light bulbs whose lifetimes are independently normally distributed with mean 500 hrs, and standard deviation 50 hrs. to minimize the number of bulbs that burn out during production hours, all bulbs are replaced after given
asked on December 7, 2012 
physics
A rigid rod of mass m3is pivoted at point A, and masses m1 and m2 are hanging from it, as shown in the figure. (a) What is the normal force acting on the pivot point? The ratio of the weights of m1, m2, and m3 is 1:2:3. (Use the following as necessary: m1
asked on April 10, 2011 
Math /Algebra
I was challenged with this question: Explain why the formula for determining slope using the coordinated of two points does not apply to vertical lines. This was my answer: The formula for determining a slope using two points does not apply to vertical
asked on November 18, 2009 
finance
A company wants to buy a laborsaving piece of equipment. Using the NPV method of capital budgeting, determine the proposal’s appropriateness and economic viability with the following information: • Labor content is 12% of sales, which are annually $10
asked on November 18, 2010 
parallel structures
how can i correct this sentece to parallel structute? When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects.
asked on April 21, 2014 
MATH
vIRGINIA THREW A fRISBEE FOR A DISTANCE OF 138.56 M TO CAPTURE THE WOMEN'S RECORD. IF THE FRISBEE WAS THROWN HORIZONTALLY WITH A SPEED OF 13.0M/S HOW LON DID THE FRISBEE REMAIN ALOFT?
asked on November 7, 2013 
math /algebra
This was the : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply because
asked on November 18, 2009 
math
A swimming pool is 25 meters x 15 meters. A concrete walk 2 meters is built around it. What is the area of a concrete walk?
asked on January 12, 2012 
math
the "k"th term of a series, Sk=a 1r^k/1r, is the sum of the first "k" terms of the underlying sequence. the difference between the "n"th terms of two particular series is greater than 14 for some values of n (is an element of) N. the series with general
asked on December 29, 2010 
accounting
accounting and Organizational Cultures: A Field Study of the Emergence of a New Organizational Reality"
asked on April 19, 2011 
Chemistry
What chemical test (axcept a magnet) to use to distinguish between iron and sulphur?
asked on February 6, 2009 
Math
The sum of the ages of Dorothy and Dona is 41. In five years, Dorothy will be twice as old as Dona. Find their ages 3 years ago.
asked on February 28, 2015 
statistics
Suppose that A,B and C are mutually exclusively events such that; P(A) =0.3, P(B)=0.1, and P(C)=0.5. Evaluate; P(AuBuC)
asked on April 7, 2011 
English
Can you help me proofread the following paragraph and find nine misspelled or misused words and write them correctly? Planting a vegetable garden is a popular American hobby. It’s not ready that difficult. A gardening magazine or book can help you get
asked on November 17, 2010 
English
I need a few characteristic to describe the following: The person quickly switches from loving one person to another.and The person is willing to die for someone even though they have only met for a few days. I thought of a few. But I can't really prove it
asked on December 3, 2014 
mth
Calculate the maturity value of a simple interest, eightmonth loan of $15,000 if the interest rate is 4.5%.
asked on November 17, 2013 
math
If "today is Monday" is true and "It is May 5th is false, which of the following is false? 1  Today is Monday and it is not May 5th. 2  If today is Monday, then it is May 5th. 3  Today is not Monday only if it is May 5th. 4. Today is not Monday or it is
asked on January 12, 2013 
microeconomics
How the technical rate of substitution and marginal product are related and what is their difference? i only wrote their definitions The technical rate of substitution measures the rate which the firm has to substitute one input for another, for keeping
asked on December 21, 2012 
math
This was the question : Explain why the formula for determining slope using the coordinates of two points does not apply to vertical lines. This is my answer:The formula for determining a slope using two points does not apply to vertical lines simply
asked on November 18, 2009 
chemistry
What chemical test do you use to distinguish between iron and iron sulphide (axcept using a magnet)?
asked on February 8, 2009 
world history
was copra dried meat of coconut encountered, exchanged, and explored in history?
asked on February 19, 2016 
Business
Which body part would you give to someone who is perceptive. Like, sees what's wrong with the business and changes it for the better
asked on October 23, 2014 
Science
why do Lithium (Li), Magnesium (Mg), and Aluminum (Al) react with HCl and Iron (Fe), Zinc (Zn), Lead (pb), and copper (Cu) don't react as much or don't react at all?
asked on January 11, 2011 
accounting
Instructions Identify the internal control principles and their application to cash disbursements of Marais Company. P72B The board of trustees of a local church is concerned about the internal accounting controls pertaining to the offering collections
asked on February 22, 2009 
Chemistry
What happens to iron sulphide when heated an what happens to iron when heated?
asked on February 8, 2009 
french
can you tell me which words are feminine or masculine radiateur miroir joueur du cd calendrier réveil boîte des bijoux lampe téléphone mobile vêtements bouteille de l'eau many thanks Thank you for using the Jiskha Homework Help Forum. First of all, if
asked on February 8, 2007 
math
Three students are sitting on a school bus. Leslie is 5.6 feet directly behind Sandra and 6.6 feet directly left of Dave. Leslie makes a paper airplane and throws it to Sandra. Sandra throws the airplane to Dave, who throws it back to Leslie. How far has
asked on August 19, 2017 
Health/business
What body part would represent someone who is stubborn with their ideal but is flexible with small details? (Not brain or heart)
asked on October 23, 2014 
math
For a rock, paper, scissors experiment, there are 30 tries with a partner. I won 16/30 times. What's the probability of winning between 10 and 16 times inclusively? How do you solve this?
asked on April 1, 2013 
social studies
whats the contitution
asked on May 9, 2012 
french
how would i say "look pretty" in vous form?
asked on January 15, 2011 
Math
What does relative to math?
asked on June 20, 2009 
health
Are the concepts of autonomy, justice and beneficence, or similar ones, useful for analysis of organizational ethics?
asked on June 19, 2009 
PE
While I'm running the mile I feel a real pain in my legs and always stop after running a couple of laps. How do I jog and not stop even if there is pain
asked on November 15, 2008 
9th grade
How do you solve [x1]=[x+3]
asked on November 15, 2008 
Books
How do I get a book published?
asked on October 30, 2008 
science
I have to find out some facts about the dwarf planet vulcan. I have tried wikipedia but it was no help. Can any one please give me some facts or websites that can. This may be what you need.
asked on February 9, 2007 
MATH 117A
Select the approximate values of x that are solutions to f(x)=0,where f(x)=9x^2+7x+2 A.{0.22,1.00} B.{9,7} C.{0.78,0.22} D.{4.50,3,50}
asked on June 10, 2015 
Math117A
An object 4.2 feet tall casts a shadow that is 12.6 feet long. How long in feet would the shadow be for an object which is 20.4 feet tall? a.12 feet B.6.8 feet C.28.8 feet d.61.2 feet
asked on June 10, 2015 
social
what is hwang ho civilization ?
asked on November 1, 2014 
Health
Which body part would you give to someone who is perceptive. Like, sees what's wrong with the business and changes it for the better. And why?
asked on October 23, 2014 
Business
What body part would represent someone who is stubborn with their ideal but is flexible with small details? (Not the brain or heart)
asked on October 23, 2014 
Business
If you had to use a body part to represent that someone is independent. Which body part would you use and why?
asked on October 23, 2014 
math
If today is Thursday, what day of the week was it 1000 days ago
asked on November 17, 2013 
physics
sand has more friction or less friction
asked on August 21, 2012 
8th grade
14cents/ounce=$____lb
asked on September 23, 2010 
English 1
How do you write a sonnet and a couplet and a quatrain. How do you know if a syllable is stressed or unsressed by just looking at the word
asked on November 15, 2008

probability
1: 1/2400 0 2: 2/3 3: (40+z)/2400 no answer 0 4: no answer 5/7 result
posted on July 4, 2019 
Algebra
i ate a potato earlier today
posted on May 2, 2019 
Algebra
WHAT ARE YOU TALKING ABOUT if' you came this far down then comment i ate a potato earlier today if you commented that then good job
posted on May 2, 2019 
math
no answer? ok then... ): just thought i'd ask
posted on May 2, 2019 
math
umm in in connexus is this even a question or is this some made up thing huh
posted on May 2, 2019 
Math
Does anyone actually have answers here? or you just wanna chat
posted on May 1, 2019 
Social Studies
i didnt take answer from this but when i sent it in i got one wrong happy was right i shouldve listened but thanks for the answer
posted on April 29, 2019 
Social Studies
seriously just someone put an answer thats what this site is for and if you dont aproove PsyDAG then go away
posted on April 28, 2019 
Art
thanks always right and everyone who COPIED always right anyways its 1.c 2.b 3.d
posted on April 28, 2019 
Science
I'm done any 1 got a gun I can barrow will quick XD
posted on September 12, 2018 
math
idk i was asking you
posted on February 19, 2018 
physics
4.0 m/s2
posted on November 14, 2017 
Language Art
1.B 2.C 3.C Just took it
posted on October 11, 2017 
L.A
Thank you guys 1.C 2.B 3.D 100%
posted on October 11, 2017 
Math
im going to kill math
posted on September 7, 2017 
math
my answer is 21
posted on August 19, 2017 
math
20.1
posted on August 19, 2017 
math
my answer is 18.1 feet
posted on August 19, 2017 
math
A mouse has made holes in opposite corners of a rectangular kitchen. Starting from its hole in the northwest corner, the mouse scurries 9 feet along the length of the kitchen to reach a piece of cheese in the southwest corner. Then the mouse scurries 12
posted on August 18, 2017 
math
b6.1 c7.4 =3.6 then * 2 equal b 7.2
posted on August 18, 2017 
mathematics
sin 130.tan 60/cos 540.tan 230.sin 400
posted on April 29, 2017 
psychology
D.
posted on April 6, 2017 
math
What's the difference then that's where I'm stuck
posted on February 12, 2017 
statistics
42352
posted on October 22, 2016 
life orientation
The same question I am looking for...guys let's go to google and see if we are going to find right answer.
posted on May 30, 2016 
math
7m
posted on April 12, 2016 
Business
Body parts other than brain eyes and heart
posted on October 23, 2014 
Accounting,economics,business and mathr literacy
south africa/free state
posted on January 25, 2014 
9th grade math
i
posted on June 24, 2013 
MATH PLEASE HELP!!!!!
this problem got me so confused! :( but thanks for helping me! :)
posted on September 13, 2012