alana
Popular questions and responses by alana
math
mr. henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts an equal number of each in the machine. how manu bouncy balls does he put in each machine?
asked on September 12, 2016 
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? :(
asked on December 11, 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
asked on November 10, 2015 
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?
asked on September 11, 2014 
Math
How much would you pay for a pint of milk if you bought 5 gallons of milk for $28?
asked on October 26, 2015 
Physics
1.A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 181 N at an angle of 20.8◦ above the horizontal. The box has a mass of 40.3 kg, and μk between the box and the floor is 0.29. The
asked on November 2, 2016 
math
lindsey buys a bug of each size of bouncy ball. she wants to put the same number of each size of bouncy ball in to 5 party favor bags. how many of each size of bouncy ball will she put in a bag?
asked on September 12, 2016 
Math
Lines A and B are perpendicular and have the same xintercept. The equation of line A is x+2y4=0. Determine the yintercept of line B.
asked on January 23, 2012 
business
East Coast DVD employs 54 workers with a gross biweekly payroll of $94,126. Fringe benefits are $10.18 per employee for life insurance and 12.3% of payroll for a stock purchase plan. What is the total cost of fringe benefits? a. $2357.34 b. $12,127.22 c.
asked on October 21, 2018 
algebra
A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straightline 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
asked on October 19, 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
asked on September 12, 2014 
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
asked on October 19, 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)
asked on 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.
asked on September 12, 2014 
Science
Define " force ". State the correct units for measuring force.
asked on May 7, 2014 
mathematics
1 round 234508 to the nearest thousands 2 round 45099 to the nearest thousands 3 round 8650 to the nearest thousands
asked on December 3, 2012 
Math
In triangle ABC, D and E are midpoints of AB and AC, DE=4x and BC=2x+48. Find BC. Thanks So Much!!
asked on May 21, 2011 
math
Andrea bought 12 bagels and 10 muffins at the bakery. Of these items, 2/3 of the bagels were multigrain, and 3/5 of the muffins were bran muffins. Answer the following questions in the 2 spaces below: Blank 1: How many multigrain bagels did Andrea buy?
asked on April 20, 2020 
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?
asked on February 1, 2016 
algebra
Find the zeros of f. f(x) = 2x^2 + x − 21
asked on October 19, 2014 
algebra
Find the zeros of f. f(x) = 10 − 4x x= ____
asked on 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
asked on September 14, 2014 
math
v = 1/3 pie^2 h; solve for h
asked on 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)
asked on 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?
asked on September 11, 2014 
Please check my U.S. Government answers!
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
asked on August 28, 2012 
Psychology
Can someone give me an example when the selffulfilling prophecy resulted from you own expectations of the outcome of the event? Can someone give me an example when the selffulfilling prophecy resulted someone else's expectations of your performance? I
asked on February 25, 2012 
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
asked on September 26, 2011 
computers in day care
does anybody have the questions and answers for examination 305000
asked on June 13, 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.
asked on May 15, 2011 
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
asked on March 19, 2010 
Math
At thrift bank,if you keep $675 in a saing account for 12 years, your money wil earn $486 in interest. What annual simple interest rate does the bank offer?
asked on March 18, 2020 
Math
Lois is making applesauce. Each batch she makes yields 3.25 quarts of applesauce. Lois already has 1.5 quarts. She would like to have a total of 14.5 quarts before she is finished for the day. How many batches of applesauce does Lois need to make? A crayon
asked on March 20, 2017 
Math
Brittany has a gift box in the shape of a cube. Inside of the box measures 15 cm. What is the volume of the gift box.?
asked on January 30, 2017 
History
7. Which philosophy did Tang rulers apply to govern their empire? A. Buddhism B. Confucianism C. Daoism D. Hinduism I think the answer is D. but Im not sure.
asked on November 30, 2016 
Finance
The ACME Suction Cup company has $4,500 of debt and $10,500 of common stock equity. The total value of the company is $15,000. The company's cost of equity is 11.5 percent, the cost of debt is 5.9 percent and the relevant tax rate is 35 percent. What is
asked on April 29, 2016 
maths
two adjacent sides of a parallelogram are 3.5cm and 5cm. what is the ratio of their altitudes
asked on March 12, 2016 
Physics
At a busy intersection a 1460kg car traveling west with a speed of 12 m/s collides headon with a minivan traveling east with a speed of 9.4 m/s. The cars stick together and move with an initial velocity of 1.5 m/s to the east after the collision. What is
asked on March 11, 2016 
Chemistry, chemical change
N2(g) + 3H2(g) > 2NH3(g)+ 22,000. ^H = a) 22,000 kcal b)22,000 kcal c)22 kcal b)22 kcal
asked on February 16, 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
asked on 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
asked on December 29, 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?
asked on November 13, 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.
asked on November 7, 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
asked on April 9, 2015 
American History
Among instances of corporate malfeasance in the early twentyfirst 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
asked on 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
asked on January 12, 2015 
algebra
graph f(x) = 2 − 1/4x
asked on October 19, 2014 
algebra
A bus was purchased for $80,000. Assuming the bus depreciates at a rate of $6,000 per year (straightline 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.
asked on October 19, 2014 
algebra
Find the zeros of f. f(x) = 2x2 + x − 21 smaller value = ___ larger value = ___
asked on 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
asked on 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
asked on October 19, 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?
asked on September 12, 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
asked on October 24, 2013 
Maths
Can someone please help me 12>and equal to 24x
asked on October 1, 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
asked on 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
asked on May 20, 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?
asked on March 19, 2013 
math
What does find the mean or average
asked on February 20, 2013 
Math
k=287.658. I don't understand how to get the answer
asked on January 11, 2013 
Calculus
Given vectors u= (1,1,3) and v= (4,5,3) find an ordered triple that represents vectors 3u2v. a.(16,1,7) b.(11,13,3) c.(10,12,1) d.(7,7,16) I don't want you to straight up give me the answer. I need someone to teach me how to solve this problem. I am
asked on August 23, 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
asked on March 15, 2012 
Psychology
How does selfconcept affect perception?
asked on February 23, 2012 
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
asked on 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
asked on November 9, 2011 
Math
It is a fraction that compares two quantaties measured in different units. ex:.(miles per hour)
asked on August 15, 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
asked on 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
asked on June 20, 2011 
early childhood education
your budget allows you to purchase only one math software package for your children ages 58.Which one of the following packages would probably be best for this age group? (a) ages 47 (b) ages 69 (c) ages 79 (d) ages 6 and up
asked on June 20, 2011 
computers in day care
a method in which children must see and touch objects in order to learn about them is called
asked on June 13, 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
asked on May 16, 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.
asked on 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.
asked on 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?
asked on 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?
asked on 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
asked on November 22, 2010 
Science
Most organisms have a (n) _______________ of traits from both parents ?
asked on October 20, 2010 
Science
Most organisms have a (n) _______________ of traits from both parents ?
asked on October 20, 2010 
science
Most organisms have a(n) of traits from both parents. Mixture or Heredity
asked on October 20, 2010 
Education
what are some good, fun, kid like websites, that teach you how to spell words?
asked on 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???
asked on 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)??
asked on 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)?
asked on April 9, 2009 
HIP 105 RESEARCH PROJECT
Could somebody give me a example of concluding paragraph??
asked on March 4, 2009 
HIT 105 RESEARCH PROJECT
I don't know what to put down for the concluding section. For my introductory, I put down  The Health Insurance Portability and Accountability Act of 1996(HIPPA). The congress mandated implementation of several federal privacy protections that allows
asked on March 2, 2009 
9thGrade Comp Lit
Does this sound right? The second band sounded so cacophonit? I need the sentence to include the word Cacophony.
asked on 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....
asked on August 30, 2011 
Psychology and "Monk" the tv show
What are Monk's actions and behaviors in the usanetwork tv show "Monk" and what disorder(s) are they a symptom of? Is the disorder accurately represented on "Monk"?
asked on April 23, 2008 
chemistry
identify the three states of matter and include the structual and property changes
asked on September 27, 2007 
mathematics
how can you do the lcm to somethimg like 12000 without having to do all of that mathematics just to make it quicker?
asked on September 10, 2007 
Creativity Question
Which phrase fosters creativity? 1. "There is no such thing as a purple cat." 2. "I'll show you how to do it." 3. "What is this a picture of?" 4. "You used lots of purple in your picture!" Would "You used lots of purple in your picture!" be correct? Of the
asked on August 4, 2007 
goegraphy
Are there any online Nystrom World Atlas. I forgot may book at school and can't do my work without it. Very few textbooks are online; the few that are require a username and password, usually provided by your teacher. Here's an example:
asked on August 31, 2006 
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.
asked on January 27, 2016 
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
asked on May 2, 2014 
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
asked on August 19, 2012 
Downloading
I wanna download paint shop pro onto my windows vista computer, but I want it to be a free download. Does it let you download it for free or do you have to pay?
asked on June 22, 2010

Math
3°
posted on April 24, 2020 
Physics helpp
How do you know this?!
posted on March 17, 2020 
Math
mucho gracias natasha
posted on April 15, 2019 
Social Studies
its C
posted on April 11, 2019