Thursday
February 11, 2016

# Posts by alana

Total # Posts: 111

Chemistry
Answer the following questions using this balanced chemical equation. 2C3H6+9O2+6H2O How many grams of C3H6 are needed to produce 4.2 mol of H2O?
February 1, 2016

Science
Two objects with charges of +1.0 c and -1.0 c are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.
January 27, 2016

Physics
A women, flying her plane south at 398 km/h when she encounters a wind blowing west at 104 km/h... A)...what would her resulting velocity be if she made no course correction B)...what speed and direction should she change to in order to maintain her original velocity. Thanks ...
December 29, 2015

Physics
A women, flying her plane south at 398 km/h when she encounters a wind blowing west at 104 km/h... A)...what would her resulting velocity be if she made no course correction B)...what speed and direction should she change to in order to maintain her original velocity. Thanks ...
December 29, 2015

math
dont get it
December 11, 2015

Math
Ok thank you so so much @Damon. :D
December 11, 2015

Math
10. What is 0.00000512 in scientific notation? The answer is 5.12 x 10 -6 but I have to explain why and idk? :(
December 11, 2015

Algebra
Mai has 3 times as many teddy bears as tony. Altogether they have 24 teddy bears. If let tony has x teddy bears, make an equation to find the number of bears that Mai has?
November 13, 2015

Science
1. Douglas Fir tree rings - excavated from a cave in Arizona. Date: 577 ± 50 years AD Answer: 1373 2. Wood from Egyptian coffin - from the Ptolemic period based on style. Date: 200 ± 150 years BCE Answer: 2150 3. Wood fragments from the floor of a palace in Syria...
November 10, 2015

Algebra
The variable x in the expression 3+2x is replaced in succession by 1,2,3 and 4. Find the sum of the resulting numbers. Thank you for your time and please help! I am very confused.
November 7, 2015

Math
How much would you pay for a pint of milk if you bought 5 gallons of milk for \$28?
October 26, 2015

music, arts
1. Listen to the Corelli, Vivaldi and Bach examples. Using the stylistic features of each, write a summary of the development of instrumental music in the 18th century. Be aware of overall form and musical elements you hear in the examples. Explain the musical terms you use. (...
April 9, 2015

American History
i know but Enron seems pretty bad and I know WorldCom isnt right.
March 27, 2015

American History
Among instances of corporate malfeasance in the early twenty-first century, the _______ scandal was the most shocking and economically damaging for employees and shareholders. A. American Tobacco B. Tyco International C. Enron D. WorldCom I have looked all of the place for ...
March 27, 2015

algebra
-3 hint: a really good place to work out all algebra is mathway using the "rationalize the denominator calculater" it works sweet! ;)
March 27, 2015

Maths
Tyson talked with 150 customers on his shift yesterday. Of those, 20% resulted in a successful upsell of additional purchases. If Tyson makes a \$6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he make yesterday. my ...
January 12, 2015

algebra
Find the values of a in the domain of f for which f(a)equals the given number. f(x) = |x + 5|; f(a) = 9
October 19, 2014

algebra
graph f(x) = 2 − 1/4x
October 19, 2014

algebra
A bus was purchased for \$80,000. Assuming the bus depreciates at a rate of \$6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10.
October 19, 2014

algebra
Find the zeros of f. f(x) = 2x2 + x − 21 smaller value = ___ larger value = ___
October 19, 2014

algebra
Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(x), 6 < x < 7 = ____ Q(m2 + 1), 7 < m ¡Ü 10 = 4
October 19, 2014

algebra
Find the zeros of f. f(x) = 2x^2 + x − 21
October 19, 2014

algebra
A bus was purchased for \$80,000. Assuming the bus depreciates at a rate of \$6,000 per year (straight-line depreciation) for the first 10 years, write the value v of the bus as a function of the time t (measured in years) for 0 ¡Ü t ¡Ü 10
October 19, 2014

algebra
Find the zeros of f. f(x) = 10 − 4x x= ____
October 19, 2014

algebra
Q(t) = 5, if 0 ¡Ü t ¡Ü 5 −t + 7 if 5 < t ¡Ü 8 t − 1 , if 8 < t ¡Ü 11 Q(m2 + 1), 7 < m ¡Ü 10 = 4
October 19, 2014

math
A company has determined that the profit, in dollars, it can expect from the manufacture and sale of tennis racquets is given by P = −0.01x2 + 130x − 180,000. How many racquets should the company manufacture and sell to earn a profit of \$174,900
September 14, 2014

Math
A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off) for the first plane to...
September 12, 2014

Math
An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account? Need the amount at 4...
September 12, 2014

math
v = 1/3 pie^2 h; solve for h
September 12, 2014

math
A plane leaves Chicago headed for Los Angeles at 520 mph. One hour later, a second plane leaves Los Angeles headed for Chicago at 620 mph. If the air route from Chicago to Los Angeles is 1800 miles, how long will it take (after the first plane takes off) for the first plane to...
September 12, 2014

math
Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds. Find the length of ...
September 12, 2014

math
An investment adviser invested \$14,000 in two accounts. One investment earned 4% annual simple interest, and the other investment earned 2.5% annual simple interest. The amount of interest earned for 1 year was \$458. How much was invested in each account
September 12, 2014

math
How many liters of water should be evaporated from 110 liters of a 12% saline solution so that the solution that remains is a 20% saline solution?
September 11, 2014

math
A motorboat left a harbor and traveled to an island at an average rate of 11 knots. The average speed on the return trip was 10 knots. If the total trip took 4.2 hours, how far is the harbor from the island?
September 11, 2014

Science
Define " force ". State the correct units for measuring force.
May 7, 2014

math
Dynacan Ltd. manufactured 10,000 units of product last year FC= 22,200,000,19,200,000,9,600,000,5,000,000 VC= 50,400,000,93,000,000,16,000,000,14,200,000 If unit variable costs and fixed costs remain unchanged, calculate the total cost to produce 9700 units this year.
May 2, 2014

Maths
A15- foot ladder is leaning against a 30- foot wall. The bottom end of the ladder is 9 feet from the wall. How many feet above the ground does the ladder touch the wall. Can someone please help me with this question
October 24, 2013

Maths
October 1, 2013

history
thanks Ms Sue
May 20, 2013

history
at the time the French controlled the middle part of North America the most important use of the Mississippi River and its tributaries was for a)fishing b)transportation c)natural boundary d)hydroelectric power e)irrigation i put b
May 20, 2013

History
i put e for number 1 and b for number 2
May 20, 2013

History
1)what aspect of the government of the chartered companies would be considered democratic? a)the assignment of a gouvernment b)the right to fail or succeed c)the beaver aristocracy d)the representative body e)the monopoly on the fur trade i put d 2)which term would least apply...
May 20, 2013

Chemistry
You need to take the 1950 and add the 675. The answer to it is 2625.
April 18, 2013

algebra
If \$6,000 is placed in an account with an annual interest rate of 3%, how long will it take the amount to triple if the interest is compounded annually?
March 19, 2013

math
What does find the mean or average
February 20, 2013

Math
-k=287.658. I don't understand how to get the answer
January 11, 2013

Math
Yes D I don't know sorry
January 11, 2013

mathematics
December 3, 2012

mathematics
1 round 234508 to the nearest thousands 2 round 45099 to the nearest thousands 3 round 8650 to the nearest thousands
December 3, 2012

i know for a fact that 1 is right... please explain why the others are wrong?
August 28, 2012

1. Political culture refers to (1 point) a set of beliefs about the role of government in society. ~an overall set of values widely shared within a society. how truly "American" someone is. a high degree of homogeneity in political opinions. the wide range of views ...
August 28, 2012

Calculus
Given vectors u= (1,-1,3) and v= (-4,5,3) find an ordered triple that represents vectors 3u-2v. a.(16,1,-7) b.(11,-13,3) c.(10,-12,1) d.(7,-7,16) I dont want you to straight up give me the answer. I need someone to teach me how to solve this problem. I am home schooled and i ...
August 23, 2012

Calculus
1.(arrow above letter a pointing to the right) and (arrow above letter b pointing to the right) have the same direction, and they both have a magnitude of 6. What must be true about(arrow above letter a pointing to the right)and(arrow above letter b pointing to the right)? ...
August 19, 2012

Chemistry
When chemists compare the rates of reactions carried out under different conditions, they often compare the rates near the beginning of the reactions. What advantage(s) do you see in this practice? Hint: Think of slow reactions. I know the rate of reaction is fastest in the ...
March 15, 2012

Psychology
Thank you, Ms. Sue. The 2nd link helped.
February 25, 2012

Psychology
Can someone give me an example when the self-fulfilling prophecy resulted from you own expectations of the outcome of the event? Can someone give me an example when the self-fulfilling prophecy resulted someone else's expectations of your performance? I need examples so I ...
February 25, 2012

Psychology
How does self-concept affect perception?
February 23, 2012

Math
Lines A and B are perpendicular and have the same x-intercept. The equation of line A is x+2y-4=0. Determine the y-intercept of line B.
January 23, 2012

pre algebra
I HAVE NO IDEA
November 14, 2011

math
WHAT IS (10 TIMES 1)+(1 TIMES 10)=10 TIMES 10=20
November 14, 2011

health, safety, and nutrittion
the children in your class are working on an art project thar requires them to use a standard hair dryer to produce a particular effect. of the following locations, which one would be the safest place to put the hair dryer while the children are working on the project a)on a ...
November 9, 2011

Health, Safety, and Nutrition
1)Following the nutritional label on a jar of peanut butter, you determine that 1 ounce of the peanut butter contains 115 calories and 9 grams of fat. What percent of the calories come from fat. a)30 b)40 c)70 d)80 i put c
November 9, 2011

science
EXELENT
November 2, 2011

physics
You drive a car 7 h at 42 km/h, then 7 h at 65 km/h. what is your average velocity? answer in units of km/h
September 26, 2011

Comp Lit.
Thanks!:)
August 30, 2011

Comp Lit.
So would it be correct if i said, 'Either way, it was way louder than the antiphon i'm used to!'
August 30, 2011

Comp Lit.
The definition our teacher gave us is: An anthem or a verse sung responsively.
August 30, 2011

Comp Lit.
Okay. One more question. >.< Now i need to use the word Antiphon in a sentence and i don't even know where to begin....
August 30, 2011

Okay. I think i have it figured out. "The concert was AWESOME!", said Jimmy. "Yeah if you liked the cacophony of screams!", replied John.
August 30, 2011

Does this sound right? The second band sounded so cacophonit? I need the sentence to include the word Cacophony.
August 30, 2011

Math
It is a fraction that compares two quantaties measured in different units. ex:.(miles per hour)
August 15, 2011

early childhood education
well i put c and i got it wrong
June 20, 2011

early childhood education
which one of the following questions would be inappropriate to ask during an interview? (a)do you have children of your own (b)what do you like best about teaching young children (c)what is one science activity that would be appropriate for four year olds (d)what kind of ...
June 20, 2011

early childhood education
my answer is c but i am not too sure
June 20, 2011

early childhood education
You will be observed by the director at least once a month for the first three months of your employment. A conference will be scheduled at the end of that time to evaluate your performance. If performance has been satisfactory, the full contract will go into effect. This ...
June 20, 2011

early childhood education
your budget allows you to purchase only one math software package for your children ages 5-8.Which one of the following packages would probably be best for this age group? (a) ages 4-7 (b) ages 6-9 (c) ages 7-9 (d) ages 6 and up
June 20, 2011

computers in day care
does anybody have the questions and answers for examination 305000
June 13, 2011

computers in day care
a method in which children must see and touch objects in order to learn about them is called
June 13, 2011

Math
In triangle ABC, D and E are midpoints of AB and AC, DE=4x and BC=2x+48. Find BC. Thanks So Much!!
May 21, 2011

maths
SA=ph + 2B p=perimeter of base h=height B=area of base SA=(16)(4) + 2(12) SA=88
May 21, 2011

English
On the Road by Jack Kerouac "Besides, all my New York friends were in the negative, nightmare position of putting down society and giving their tired bookish or political or psychoanalytical reasons, but Dean just raced in society, eager for bread and love..." I don...
May 16, 2011

computer science
What is a type of operator that uses the AND, OR, and NOT? I'm not sure if it is (SQL) structured query language or search.
May 15, 2011

English
Is there a better word for 'morally wrong" and "sinful"? I have been using those two words once already and I don't want to sound repetitive. Sentence: It is sinful and morally wrong for women to have sexual desires in Afghanistan.
May 14, 2011

chemistry
Write a paragraph explaining how to determine how many hydrogen atoms are in 6.5g of water. No equations are permitted in this answer.
April 7, 2011

physics
a 5 kg box slides a 10m distance on ice. if the coefficient of kinetic friction is .20, what is the work done by the friction force?
January 6, 2011

Statistics
How large a smaple from a N(80,20) population is needed so that the sampling distribution of the mean has a standard deviation of 1?
January 4, 2011

vocab
Most stories have good and bad characters. which word would most likely describe the bad characters in most books? a) malnourished b)malodorous c) malignant d) malevolent
November 22, 2010

Science
Most organisms have a (n) _______________ of traits from both parents ?
October 20, 2010

Science
Most organisms have a (n) _______________ of traits from both parents ?
October 20, 2010

science
Most organisms have a(n) of traits from both parents. Mixture or Heredity
October 20, 2010

June 22, 2010

physics
on a air track, a 400g glider moving to the right at 2.00m/s collides elastically with a 500g glider moving in the opposite direction at 3.00 m/s. Find the velocity of the first glider after the collision Find the velocity of the second glider after the collision
March 19, 2010

science
you are truly welcome;-)
October 6, 2009

science
When you observe a cell under a microscope, especially at higher magnification, the fact that you have to focus up and down through the cell to see different parts of it is an indicator that the cell has a certain thickness. On some microscopes, the fine focus is calibrated ...
October 6, 2009

Education
thank you so much
October 5, 2009

Education
what are some good, fun, kid like websites, that teach you how to spell words?
October 5, 2009

math
use spherical coordinates to evaluate the triple integral of (e^-(x^2+y^2+z^2))/(sqrt(x^2+y^2+z^2)dV where E is the region bounded by the spheres x^2+y^2+z^2=49 and x^2+y^2+z^2=81???
April 9, 2009

math
how do you find the volume of the solid that lies within the sphere x^2+y^2+z^2=9 above the xy plane, and outside the cone z=2*sqrt(x^2+y^2)??
April 9, 2009

math
how do you find the triple integral xy dV where E is the solid tetrahedron with vertices (0,0,0),(7,0,0),(0,1,0),(0,0,8)?
April 9, 2009

HIP 105 RESEARCH PROJECT
Could somebody give me a example of concluding paragraph??
March 4, 2009

1. Pages:
2. 1
3. 2
4. Next>>