tiana
Popular questions and responses by tiana
physics
two metra trains are on separate but parallel tracks. One has a speed of 90 km/hr, the other 80 km/hr. Initially, the two trains are 2.71 km apart. How long will it take the two trains to pass each other?
asked on September 25, 2012 
Statistics
1. A study was conducted on the life of Duracell batteries and on the life of Energizer batteries. The study found that a sample of 10 Duracell batteries had a mean life in hours of 26.2 with a standard deviation of 4.1 and a range of 24. The results for a
asked on September 15, 2020 
trig
in a circle of radius 26, find the length of the arc spanned by a central angle of pi/4 radians. round your answer to 2 decimal places. use 3.1416 as an approx for pi.
asked on October 5, 2011 
english 3
Which pronoun correctly completes the sentence? The senator wrote a letter to Carol and _____ expressing his thanks a. they b. me c.we d.I
asked on November 18, 2015 
math
at this rate, how many trucks would pass luann if 90 vehicles passed her
asked on October 8, 2014 
Statistics
Bob made 116 on his accounting midterm and 82 on his biology midterm. For the accounting midterm, the mean score was 102 with standard deviation 14. For the biology midterm, the mean score was 70 with standard deviation of 5. Which score was the higher
asked on September 15, 2020 
American history 1
What restriction did Spain place on American trade? The Spanish would allow Americans to buy only Spanish goods. ****The Spanish closed the West Indies to American trade. The Spanish prohibited Americans from trading with Britain. The Spanish closed New
asked on February 13, 2016 
english 3
The only students invited to attend the meeting were _____. Which pronoun correctly completes the sentence? a. we b.us c.them d. ourselves
asked on November 18, 2015 
english
Which sentence uses who correctly? a. Who did you call? b.Who is the person that I should call? c.To who are you speaking? d. From who did you receive the call? i think the answer is A but i just want someone to check and see
asked on November 18, 2015 
Math
Write an equation representing the relationship between the distance from school and time walking
asked on November 20, 2017 
physics
An unknown material has a normal melting/freezing point of 20.4 °C, and the liquid phase has a specific heat capacity of 179 J/(kg C°). Onetenth of a kilogram of the solid at 20.4 °C is put into a 0.130kg aluminum calorimeter cup that contains 0.198
asked on December 4, 2013 
Math
6 is onethird of a number, s
asked on May 13, 2020 
Science
How is the flow rate of gas controlled as it leaves a storage container?
asked on April 13, 2020 
ela
From the storyteller, what does paragraph 9 Reveal about the story a)they agree with the bachelors opinion of the story b)they have little respect for their aunt c)they don't understand what their aunt has said d)they believe that the story is probably
asked on March 16, 2016 
American history 1
which word refers to a promise to pay back money invested in the American Revolutionary War effort? precedent speculator ***inauguration bond ***answer
asked on February 13, 2016 
Math
Part 1: Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial
asked on April 27, 2015 
Calculus
he rate of growth of the profit from an invention is approximated by P'(x)=xe^x^2, where x represents time measured in years. The total profit in year 1 that the invention is in operation is $15,000. Find the total profit function. I know the answer is
asked on May 2, 2014 
math
what is a translation over a vertical line?
asked on April 9, 2012 
math
what is 320/380 (or in fraction term) in lowest terms? and what is 54 over 126 in lowest terms?
asked on March 28, 2011 
math
Which of the below is a solution to the quadratic equation? 4a^2 = 16 Answers: a= 4 a=4i a= 2 a=2i
asked on May 5, 2020 
Math
4 4/5 x 6 1/4 x 7/20
asked on April 15, 2020 
Maths
If the scale on a map is 1cm = 1km, how do I convert 3.4cm to km?
asked on February 22, 2018 
Math
Dirk is 90% free throw shooter.So if he shoots the ball 30 times,how many times will he make the basket?
asked on September 20, 2016 
Math
Traveled 68 miles first day second day traveled 10 fewer miles third day traveled 85 miles. How many miles did they travel
asked on December 3, 2015 
Computer Applications
John is creating a presentation. Before he starts, he takes into consideration several aspects that can help to determine how the presentation should be set up. Three of the following are important considerations at this initial stage. Which of the
asked on December 2, 2014 
math
Evaluate cot 220o Round your answer to the nearest hundredth. A. 1.31 B. 1.56 C. 1.19 D. 0.84
asked on March 19, 2014 
Physics
How can you find the velocity of a bullet fired from a nerf gun the second it leaves the gun, if all you have is the angle it was shot at, and how far it traveled? (All in degrees) 0 degrees=2.54m 10=6.24m 30=6.54m 45=6.58m 60=1.6m 80=.94m
asked on September 26, 2013 
trig
Find the general solution for x if cos2x + sin3x = sinx
asked on March 18, 2012 
Chemistry
What must be the molarity of an acetic acid solution if it has the same percent ionization as 0.150M HC3H5O2 propionic acid,Ka=1.3*10^5 )?
asked on February 16, 2012 
math
x2+20x+100=64
asked on January 25, 2012 
Physics
President Obama has set up a slide for his young children so they( and he) can slide into the pool behind the White House. The White House staff puts the bottom of the slide ( Which is flat for 2m) at the rim of the window sill which is 10m above the
asked on January 22, 2012 
Physics
In 35s, Samsonite lifts his 8kg case from the floor to .8m above the ground (in his arms), carries it 24m across the room ( at the same height), and puts it on a conveyor belt 1.8m above the floor. At this point, the machine raises the bag 13 more meters
asked on January 22, 2012 
math
Five years ago, you bought a house for $171,000. You had a down payment of $35,000, which meant you took out a loan for $136,000. Your interest rate was $5.6% fixed. You would like to pay more on your loan. You check your bank statement and find the
asked on November 11, 2011 
Chemistry
Will CuCI2+Na2SO4>CuSO4=NaCI2 precipitate and how can you determine this?
asked on May 12, 2011 
math
solve using the elimination method.show your work. if the system has no solution or infintite number of solutions, state this 4x6y=30, 3x5y=24
asked on February 16, 2011 
French
Identify each clothing article as un, une or des: casquette echarpe chemise cravate ceinture montre anneau cape chaussette soulier pantalons sac a main gant foulard boucles d'oreilles lunettes chapeau
asked on January 18, 2011 
english
Read the following sentence. Decide if the BOLD adverb modifies a verb, adjective, or adverb. He did a VERY good job. 1. verb 2. adjective 3. adverb
asked on January 10, 2011 
math
what inequality is true if x=3.04/1.48, y=1.99+0.33, and z=(1.3) to the 3rd power
asked on January 6, 2011 
math
what does this mean 2???????? (those arnt one outside the twos there lines;])
asked on January 6, 2011 
Math
[60]___[60] < > = Please help me!!
asked on January 5, 2011 
calculus
i understand optimization but im stuck on this problem.. mrs.day is building a new deck. she has 580 square feet to enclose. if one side is bounded by a wall, find the minimum cost to build the deck if one pair of opposite sides cost $12 per foot and
asked on January 2, 2011 
precalculus
1. Express (3x)^(1/5)(3x^2)^(1/3) using radicals 2. Simplify (8x^6 times 32y^5)^(1/2) 3. Approximate the real zeros of f(x)= 2x^4 + 3x^2  20.
asked on December 12, 2010 
algebra
Althea is 5 years older than Leah, and Leah is 4 years older than Jessica. The sum of thier ages is 34. How old is Althea?
asked on October 14, 2010 
college physicalscience
the air speed of a plain is 223km/h and the pilot keeps the plane pointed north. A wind is blowing73.6km/h from the west. Determine the speed (in km/h) of the plane relative to the ground
asked on September 19, 2010 
5th Grade Math
Find the missing numbers and landmarks for the set of numbers: 18,20,20,24,27,27,__,30,33,34,36,36,__ A range:22 B mode:27 C Minimum ____ D Maximum ____
asked on August 31, 2010 
Oil Spill
what caused the oil spill in texas?
asked on May 30, 2010 
college
Write a 350 to 700word response describing three case law decisions from the chapter you believe have the most substantial impact on policing today.
asked on February 13, 2010 
11th grade
what were knights social status and daily lives like?? its kind of confusing how this site puts it to me please help me understand..
asked on January 6, 2009 
11th grade
what were the most significant tecchnological innovations of the medieval period? need help this subject kills me!!!!!!
asked on January 6, 2009 
Spanish
When you conjugate the word irto go in spanish, the vosotros conjugated word would be vais. But is the a accented in vais or not?My teacher has written it on the board both ways. I just need a clarification. Thanks!
asked on April 21, 2008 
Biology
What is the different between codominance, multiple allele, and polygenic patterns? Also, what about dihybrid cross patterns?
asked on April 9, 2008 
language arts
The moonless,brisk night was perfect for holloween . cany you tell me the simple and complete subject?
asked on September 12, 2007

math
The sum of a number k and 5 is 11
posted on May 13, 2020 
5th grade
What is the answer I'm in 5th grade hep me!!!!!!!!!!!!!!!!!!!!!!!!
posted on September 30, 2019 
math
Why is it 55/100*3/4x
posted on August 25, 2019 
math
they are both correct but that ms sue isn't the teacher ms sue becuase the teacher doesn't give answers
posted on January 25, 2019 
Language Arts
if you are a connection student the answers are d b c a
posted on December 31, 2018 
math geometry
Did anyone have the answer to this? I really need it
posted on October 23, 2018 
Science
You are making cookies that call for 3 tablespoons of molasses, but you are having trouble measuring out the thick syrupy liquid. What could you do to make it to pour and measure this fluid?
posted on February 1, 2018 
Math
86
posted on November 9, 2017 
math
equal
posted on November 8, 2017 
physics
B.
posted on May 18, 2016 
math
6
posted on April 16, 2016 
Art
KillJoy your correct THX and Do you Like MCR?
posted on March 17, 2016 
Global studies
ALL OF U GUYS ARE WRONG!!!! I got a 1/3 the real answers are B,D,B Plz Check your answers on google
posted on March 11, 2016 
Global Studies (Please help)
You guys are wrong On Number 3 (Connections Academy)It is A not D. I got a 2/3. And please Check Ur answers on here by google or something this site is not very reliable but it has helped me On A Social Studies test and I got 100%. But Not all Answers are
posted on March 11, 2016 
American history 1
they would get a bond
posted on February 13, 2016 
American history 1
ok i looked up the words now i think its speculator
posted on February 13, 2016 
American history 1
ok thanks
posted on February 13, 2016 
American history 1
it doesnt say what year but most likely 1787
posted on February 13, 2016 
english
i gave my answers i was just trying to make sure i was understanding it and have someone check over it. and yes it is an online class
posted on November 18, 2015 
english
its not my teacher told me to get help and do it at home
posted on November 18, 2015 
english
really it to late i already submitted my test i got a fifty
posted on November 18, 2015 
english
All I ask is that you be quiet while I am studying. Identify the mood of the underlined verb in the sentence. a.indicative b.imperative c.subjunctive sorry if i have to many questions im just trying to make sure i understand it all i choose c subjunctive
posted on November 18, 2015 
english
ok i have another one: The community demands that new construction does as little harm to the environment as possible. Which revision changes a verb in the sentence to the subjunctive mood? a.Replace demands with requires. b.Replace does with do. c.Replace
posted on November 18, 2015 
english 3
haha.
posted on November 18, 2015 
english 3
we, but we doesn't seem right to me
posted on November 18, 2015 
english 3
thanks
posted on November 18, 2015 
english 3
i guess, the answer would be me
posted on November 18, 2015 
geomtry
The angle of depression from the top of the tree to the tip of the shadow is 25°. Find the height of the tree to the nearest tenth.
posted on June 23, 2015 
please help me in math
The answer I swear is 0.42.
posted on June 4, 2015 
math
3.2m+1.2=4.56
posted on February 17, 2012 
Physics
how high above pool level
posted on January 22, 2012 
Physics
Power= V^2/R 40=120^2/R R=360 R=pL/A RA/p=L (360)(pir^2)/(5.0x10^7)=L L= 2.77 (5.0x10^7) is the reisisttivity of tugsten at 1500 degrees
posted on November 9, 2011 
Civics
I Have A Dream
posted on November 8, 2011 
word unscramble
Hi you
posted on November 14, 2008 
Math
50%
posted on April 9, 2008