Monday

March 30, 2015

March 30, 2015

Total # Posts: 149

**statistics**

4.The College Boards, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 500 and standard deviation of 100. These scores are close to be normally distributed. a. What percentage of the scores can be expected ... ... ...
*March 25, 2015*

**Math**

The Booster Club has a goal of raising at least $300. The Club has already raised $150. The Booster Club is sponsoring a pancake breakfast and charging $4.00 per ticket. What inequality would represent the number of tickets (t) that the Booster Club must sell to meet its goal...
*January 26, 2015*

**Math**

Russell is 6 years older than Samantha. In 4 years the sum of their ages will be 78. How old is Russell now? I have been having a lot of issues this problem. I can't figure out how to really answer this question.
*January 26, 2015*

**Math**

The Booster Club has a goal of raising at least $300. The Club has already raised $150. The Booster Club is sponsoring a pancake breakfast and charging $4.00 per ticket. What inequality would represent the number of tickets (t) that the Booster Club must sell to meet its goal...
*January 26, 2015*

**math**

8,18,28,38,48 determine the next sequence. Is the answerer 58?
*December 16, 2014*

**Math**

5^6 * 5^3= is this correct 1953125?
*December 16, 2014*

**statistics**

A survey found that women's heights are normally distributed with mean 63.5 in. and standard deviation 2.3 in. The survey also found that men's heights are normally distributed with a mean 68.7 in. and a standard deviation 2.8. (a) Most of the live characters at an ...
*December 13, 2014*

**statistics finding the shaded region**

Find the area of the shaded region. The graph depicts the IQ score of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The shaded region numbers are 85-120
*December 11, 2014*

**Statistics**

The age distribution of students at a community college is given below. Age (years) Number of students (f) 11) Over 35 26 1103 A student from the community college is selected at random. Find the conditional probability that the student is at most 35 given that he or she is at...
*October 1, 2014*

**Math**

What is the measure in degrees of each interior angle in a regular 10 sided polygon?
*July 4, 2014*

**chemistry **

How many milliliter of 2.5 M NaOH are neededto neutralize 2.7 ml of a 4.9 M H2SO4 solution?
*April 29, 2014*

**Math**

Set up the problem and then multiply. Write zeros as needed. 419.2 x 2.54 . What would the answer be?
*June 16, 2013*

**Acct HELP!!!!**

Okay, thank you
*May 25, 2013*

**Acct HELP!!!!**

1. Quarter Corporation had the following transactions during the quarter ended June 30, 2010: Loss from tsunami damage (extraordinary) $985,000 Payment of fire insurance premium for the period April 1, 2010 - March 31, 2011 480,000
*May 25, 2013*

**acct HELP!!!**

In January 2010, Rich Corporation estimated that its 2010 year-end bonus to executives would be $1,125,000 for 2010. This forecast was based on the actual amount paid for the bonuses in the previous year. The estimate for 2010 is subject to change as the year adjusts. What ...
*May 25, 2013*

**accounting**

On February 1, 2010, Par5 paid property taxes on its warehouse for the calendar year 2010 in the amount of $385,000. In the first week of June 2010, Par5 made unanticipated major repairs to its warehouse at a cost of $3,000,000. These repairs will benefit operations for the ...
*May 25, 2013*

**physical science**

A nail is driven into a board to a depth of 1.00 cm with one strike from the hammer. The hammer striking the nail hit it with a force of 200.00 Newtons. How much work was done?
*May 1, 2013*

**organic chemistry**

Write equations showing how caffeine could be extracted from an organic solvent and subsequently isolated
*April 16, 2013*

**chemistry**

Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of solution.
*April 3, 2013*

**algebra**

if lamar has scored 99,71,58 and 73 on his previous four tests, what score does he need on his next test so that his average is 79?
*March 4, 2013*

**Chemistry**

Complete and Balance the following equation using the half-reaction method; (MnO4^-) + (CH3OH) --> (Mn^2+) + (HCO2H)
*February 12, 2013*

**Chemistry**

Complete and Balance the following equation using the half-reaction method; (MnO4^-) + (CH3OH) --> (Mn^2+) + (HCO2H)
*February 12, 2013*

**Chemistry**

Calculate the pH of 75 ml of the buffer composed of .1M HC2H3O2 with .2M NaC2H3O2; to which 9.5 ml of .1M HCl is added.
*February 6, 2013*

**Math **

Mrs. Dalton wanted to purchase a new fence to put around the Danish playground . The playground has a length of 25 yards and a width of 30 yards. How much fence does she need to purchase?
*February 4, 2013*

**math**

The function f(x)is defined as f(x)={-2x+3: if -2 less than or equal to < 1 f(x)={5: if 1 less than or equal to x less than or equal to 2 f(x)={x^2+2: if x > 2 a. find f(0), f(2) and f(5) b. determine the domain of f(x) Please show work
*January 6, 2013*

**math**

solve the polynomial ineqaality. express the solution set in interval notation. x^3+x^2+64x+64>0
*January 4, 2013*

**math**

use the rational zero theorem to find all the zeros of the polynomial function. Use the factor f over the real numbers. f(x)=x^4+2x^3-7x^2-8x+12 x= f(x)=
*January 4, 2013*

**math**

find the functions f&g so that fog = H H(x)=squre root x^2+8 please show work
*January 3, 2013*

**math**

find the domain of the composite function fog. f(x)=x/x-2;g(x)=-8/x a. domain of fog is {x/?} b. the domain of fog is all real numbers
*January 3, 2013*

**math**

Suppose and the domain is Describe the function in the following ways: a. Draw an arrow diagram involving two sets.
*November 11, 2012*

**CHEM HELP ASAP**

I figured all the parts of the problem except for the last one. Can you tell me what to do? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was then dissolved in 50....
*October 10, 2012*

**CHEM HELP ASAP**

I figured all the parts of the problem except for the last one. Can you tell me what to do? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was then dissolved in 50....
*October 10, 2012*

**CHEM PROB MR BOB**

I figured all the parts of the problem except for the last one. Can you tell me what to do? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was then dissolved in 50....
*October 10, 2012*

**Chem Problem**

I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 ...
*October 10, 2012*

**Chem Problem**

I originally asked you the first question and I got the answer 7.7 but theres other parts to the problem but Im not sure what to do In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 ...
*October 10, 2012*

**Chem Problem**

Help Please? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was then dissolved in 50.0 ml. of distilled water. The total mass of the solution was found to be 49.401...
*October 9, 2012*

**science 8th grade**

#8 sun # 12 is the equator
*March 7, 2012*

**math**

the volume of a cone is 48 pi cubic units. If its dimensions are reduced to one half their original length, what would its new volume be?
*March 7, 2012*

**math**

You need 300 feet of ribbon.
*February 11, 2012*

**Math**

They should be 5 as the length and 2 as the width.
*February 11, 2012*

**median**

The answer should be 5.
*February 11, 2012*

**Math 208**

The answer is 64.
*February 11, 2012*

**Language Arts**

thatdoesnt help but thanks... iguess
*February 10, 2012*

**Language Arts **

I need help. I cannot figure out the anologies. They are... Colloquy:Loquacious:: Somnambulism:ambulatory Plateau: flat octahedron:eight toponym: noun Thanks
*February 10, 2012*

**statistics**

A company selling clothes on the internet reports that the package it ships have a median weight of 85 ounces with an IQR of 56 ounces. The company plans to include a sales flyer weighing 2 ounces in each package. what will the new median and IQR BE?
*February 9, 2012*

**Physics**

what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction between tires and the road is .700? My teacher said two substitutions and I dont have a mass. Thanks (:
*February 5, 2012*

**Physics**

what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction between tires and the road is .700? My teacher said two substitutions and I dont have a mass. Thanks (:
*February 5, 2012*

**Physics**

In a series circuit, a generator (1400 Hz, 12.0 V) is connected to a 15.0- resistor, a 3.80-ìF capacitor, and a 5.70-mH inductor. Find the voltages across (a) the resistor, (b) the capacitor, and (c) the inductor.
*November 12, 2011*

**Physics**

In a series circuit, a generator (1400 Hz, 12.0 V) is connected to a 15.0- resistor, a 3.80-μF capacitor, and a 5.70-mH inductor. Find the voltages across (a) the resistor, (b) the capacitor, and (c) the inductor.
*November 11, 2011*

**HELP ASAP ( COLLEGE STATISTICS)**

Describe in words the nature of the relationship between each pair of variables as indicated by the value of the correlation coefficient. Be sure to include a. the direction of the relationship. b. the strength of the relationship. c. a verbal description of the way the ...
*October 6, 2011*

**IMPORTANT!!!! Psychology**

For these hypothesis, I need to know... Determine what research goal is required determine whether you can use the experimental method decide how you would define your variables(using operational definitions) (1) A pregnant woman's diet affects the birth weight of the baby...
*October 3, 2011*

**Psychology**

For these hypothesis, I need to know... Determine what research goal is required determine whether you can use the experimental method decide how you would define your variables(using operational definitions) (1) A pregnant woman's diet affects the birth weight of the baby...
*October 3, 2011*

**Physics**

A)When point charges q1 = +1.5 ìC and q2 = +5.7 ìC are brought near each other, each experiences a repulsive force of magnitude 0.77 N. Determine the distance between the charges. B)Two point charges are fixed on the y axis: a negative point charge q1 = -29 &...
*October 1, 2011*

**geometry**

is it possible to draw a triangle whose sides measure 5 inches, 9 inches, and 14 inches?
*September 29, 2011*

**health- malaria**

Can someone help me find a some malaria organizations in the united states that go into places like africa and do more than just give money. im looking for something along the lines of people that go into africa and educate the people about malaria, etc.
*September 28, 2011*

**physics**

If a ball is thrown vertically upward with initial velocity of 8 meters per second, what would the speed be when it returns to the starting point with acceleration of 9.81?
*September 19, 2011*

**Physics!!**

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...
*July 18, 2011*

**Physics**

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...
*July 15, 2011*

**Physics**

A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum and collect at the ...
*July 15, 2011*

**Physics**

A football player runs the pattern given in the drawing by the three displacement vectors A ,B ,C and . The magnitudes of these vectors are A = 4.00 m, B = 17.0 m, and C = 19.0 m. Using the component method, find the (a) magnitude and (b)direction of the resultant vector A + B...
*July 14, 2011*

**IT**

Help with a project. A company that provides counseling, education and career assistance to rural citizens countywide, found out the advantages of using VoIP. Five staff members work in the central office, which is located in the county seat and is connected to the Internet ...
*June 6, 2011*

**Intermediate Algebra**

Simplify the following expression; express in terms of i. (this radical is) square root of -16?
*May 29, 2011*

**Algebra/Elimination method**

I got no solution
*May 24, 2011*

**Algebra/Elimination method**

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -27x - 18y = -180 9x + 6y = 60
*May 24, 2011*

**Linear Equations**

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -2x - 8y = 22 -6x - y = 20
*May 23, 2011*

**algebra 2**

during a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. the manufacturer of the machine recommends that the temperature of the machine part remain below 135 degrees. the temperature T in degrees fahrenheit x minutes after the ...
*May 9, 2011*

**algebra 2 **

a baseball player hits a fly ball that is caught about 5 seconds later by an outfielder. the path of the ball is a parabola. the ball is at its highest point as it passes the second baseman, who is 117 feet from home plate. about how far from home plate is the out fielder at ...
*May 9, 2011*

**algebra 2**

use a graphing calculator to graph the function y=x^2-3x+15. a. what does the graph let you conclude about real number solutions of x^2-4x+13=0? explain. b. substitue 2-2i for x in the equation x^2-4x+13=0. simplify. is the resulting equation true? show your work.
*May 9, 2011*

**english ap**

In the book The Crucible, I have a question- when Parris tells the Judge that you cannot hang this sort, what did he mean
*February 22, 2011*

**Chemistry**

How many mL of a 10.0% by volume stock solution of HCl must be diluted with enough water to make 300.mL of a 1.5% by volume solution?
*February 21, 2011*

**chemistry**

How many grams of solid KOH are needed to prepare 100.mL of a 1.7 M solution?
*February 21, 2011*

**business**

how can the concept of a national identity both unite and divide people?
*February 19, 2011*

**Human Services**

Thank you so much, Ms. Sue!
*February 6, 2011*

**Human Services**

Youth/teen focused welfare assistance program. Goals: to educate/prepare teens for the responsibility of taking care of themselves in adulthood.
*February 6, 2011*

**Human Services**

I am beginning a paper on a proposed social program. Could you suggest some resources on social policy and programs for human services? Thank you
*February 6, 2011*

**physics**

wo fan carts with different fan speeds and different accelerations are started from rest some distance from one another. Cart A begins at position 0 with a velocity of zero and an acceleration of aA to the right. Cart B begins at position xB with a velocity of zero and an ...
*January 30, 2011*

**Public Policy Human Services**

That will help; thank you very much.
*January 21, 2011*

**Public Policy Human Services**

1. Mission, Goals, Objectives 2. Forms of Benefits or Services Delivered 3. Entitlement (Eligibility) Rules 4. Administrative of Organizational Structure for Service Delivery 5. Financing Method 6. Interactions among the Foregoing Elements Thank you
*January 21, 2011*

**Public Policy Human Services**

I am writing a 300-word program analysis for a human services organization. I cannot seem to apply the six policy fundamentals to the program I am using. I keep reffering to my text/notes but it just doesn't make sense. Any tips or adive would be appreciated! Thank you
*January 21, 2011*

**algebra**

s=vt+1/2at2(squared)
*January 6, 2011*

**Math126**

A Community College has 3,000 student and 90 instructors.The college plans that enrollment will be 3,500 next year.How many new instructors should be hired if the college wants to keep the same students to instructor ratio?
*December 1, 2010*

**science**

suppose you have7 pieces of wood shown to the right . predict what will happen to the mass of the pieces of wood if you put them together without cutting them to make a birdhouse explain
*November 30, 2010*

**8th grade**

This is just like that riddle~ Which is heavier, A pound of leather or a pound of feathers. You just add 20+10=30....
*November 2, 2010*

**8th grade**

30 grams?
*November 2, 2010*

**Calculus **

Find the differential dy and evaluate dy for the given values of x and dx. y=cosx x=pi/3 dx=0.05 2) y=e^x/10, x=0, dx=0.1 This is a different format than my teacher used in class so I'm confused. Help please!
*October 26, 2010*

**2nd grade**

I'm a number using only 5 base ten blocks between 150 and 250, and the number in the tens place is half the number in the ones place
*October 26, 2010*

**Mat 126**

Cross multiply 3000/90=3500/x 3000x=315,00 divide each side by 3000 and you get x=105 then take 105 and subtract from the original number of 90 and you get 15. So they need to hire 15 more instructors to keep the same student/teacher ratio.
*October 10, 2010*

**College Chem**

I need to be able to describe how to prepare 20 mL of a 0.0050 M KIO3 solution from a stock solution with a concentration of 0.020 M.
*October 3, 2010*

**College Chem**

thank you
*October 3, 2010*

**College Chem**

does it equal 1.07 g?
*October 3, 2010*

**College Chem**

Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.
*October 3, 2010*

**Physics**

11 N. 250 grams 1.0 cm2
*October 3, 2010*

**Physics**

Researchers have found that a gecko's foot is covered with hundreds of thousands of small hairs (setae) that allow it to walk up walls and even across ceilings. A single foot pad, which has an area of , can attach to a wall or ceiling with a force of 11 . How many 250- ...
*October 3, 2010*

**calculus **

Prove that there is a number that is exactly one more than its cube. (don’t solve just show there is one) Prove that the function f(x)= cosx-x has a zero in (o. pi/2) Justify.
*September 23, 2010*

**history**

I've decided to do my american history paper on consumer culture but i need to narrow it down to a specific time period and develop a thesis- is there a good thesis anyone can think of
*September 19, 2010*

**history**

I have to do a research aper on any topic in American history. One part of history that I enjoy studying is when new inventions came around or when things become more modern (think housewife using vacuum type scenario if you get what I mean) or like when department stores ...
*September 18, 2010*

**Music appreciation**

What muscial form preceded the sonata allegro form that was often considered dramatic and rewarding.
*September 15, 2010*

**Tarasoff Law**

Hello, Could you please direct me to some websites that detail the consequences of not adhering to the Tarasoff law?
*August 30, 2010*

**Cultural Diversity**

I feel a little silly. Thank you :)
*July 4, 2010*

**Cultural Diversity**

I am trying to find 2010 Census results for Tucson; specifically population results. Every census.gov link that comes up does not work. Any ideas where I can find the information? Thank you!
*July 4, 2010*