Saturday

July 23, 2016
Total # Posts: 690

**Math**

What is (a+b) to the third power?
*April 15, 2013*

**math**

15 students took a science test. the average score was 88.0. later in the day a sixteenth student took the same test and scored a 92. the teacher recalculated the class average using all 16 of the scares. by how much will the class average have increased? show your work.
*April 10, 2013*

**college Mathematics**

yes Reiny it stands for intersection thank your help.
*April 8, 2013*

**college Mathematics **

Can someone please help me with this I am not getting the same answers as the examples in the book. U={1,2,3,4,5,6,7,8} A={1,2,3,4,7,8} B={1,2,4,5} Determine (A'UB')n(AUB)'
*April 8, 2013*

**math**

x/4=10/20
*April 6, 2013*

**Science**

I think mixing yeast and water, melting cheese, and baking bread is chemical. I think dissolving sugar in water and slicing bread is physical
*March 25, 2013*

**Science**

Are the following examples physical changes or chemical changes. Mixing yeast and sugar Dissolving sugar in water Slicing bread Baking bread Melting cheese
*March 25, 2013*

**Math**

Y=|x| Y=|1/2x| Can someone help me explain how decreasing the coefficient of x affects the graph
*March 21, 2013*

**Spanish**

Can someone help me peer edit my work the second paragraph is my conclusion, this is about diet: Dieta Su dieta es muy importante para mantener el bueno salud. Comiendo comidas saludables ayudas su mantener fuerte un cuerpo y perder peso o subir peso, pero de una manera ...
*March 14, 2013*

**math**

need a function table for this problem x^3-3=y
*March 13, 2013*

**Math**

More than 18'students in an algebra class pass the first test. This is about three-fifths of the class. How many students are in the class? How do you know?
*March 5, 2013*

**Chemistry**

Would you balance this one SO2 + O2. SO3 Like 2SO2 + O2. 2SO3
*February 28, 2013*

**Chemistry**

Thanks how about this one? SO2 + O2. SO3 Would it be 2SO + O2. 2SO3
*February 28, 2013*

**Chemistry**

How do you balance Fe2O3+C. 2Fe+CO2
*February 28, 2013*

**ENG1511**

I don't know where to start
*February 28, 2013*

**medical terminology**

write a thorough three paragraph medical terminology paper
*February 23, 2013*

**math **

Please help I have been working on this one problem for days. From the 9 male and 6 female representatives for an insurance company, a team of 4 men and 4 women will be selected to attend a conference on insurance fraud.How many ways can a team of 8 be selected?
*February 15, 2013*

**math **

100 raffle tickets are sold for 3 dollars each. One prize of 200 is to be rewarded. Raul purchased 1 ticket. what is his expected value and what his his fair prize
*February 12, 2013*

**math **

Of 47 plays attributed to a playwright 17 are comedies, 18 are tragedies, 12 are histories. If one play is selected random find the odds against selecting a tragedy.
*February 12, 2013*

**math **

The Kramer family room measures 23ft by 20ft. They are covering the floor with tiles that measure 1 ft on a side and cost $0.73 each? How much will they spend on the tile?
*February 12, 2013*

**college Mathematics **

I have been trying to figure this out for day's please help if you can. A survey of 59 customers was taken at a book store regarding the type of novels purchased. The survey found 34 customers purchased mysteries, 27 purchased science fiction, 20 purchased romance novels, ...
*February 12, 2013*

**college matematics**

sorry I didn't spell check before submitting I meant mathematics
*February 5, 2013*

**college matematics **

you are dealt one card from a standard 52 card deck find the probability of being dealt a heart
*February 5, 2013*

**college mathematics**

Sorry I meant how the question is worded.
*February 4, 2013*

**college mathematics**

Reiny I just read your replies but this is hoe the question is worded. That is why I myself do not understand it
*February 4, 2013*

**college mathematics **

Three people are to be selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person selected gets the third ...
*February 4, 2013*

**math**

Three people are to be selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person selected gets the third ...
*February 2, 2013*

**math**

Three people are being selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person selected gets the third ...
*February 1, 2013*

**Tree diagrams **

Three people are being selected at random, each will be given one gift card. There is one card from Home Depot,one from Best Buy and one from Red Lobster. The first person selected will get to choose between the two remaining cards. The third person selected gets the third ...
*February 1, 2013*

**geometry **

give the following determine the set (A'U'B)n(AUB)' U ={1,2,3,4,5,6,7,8} A={1,2,3,7,8} B={1,3,4,6}
*January 22, 2013*

**geometery**

please walk me through this I am having a hard time with this A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails ...
*January 21, 2013*

**goemetry **

Determine AU(C'UB') U= {a,b,c,d,e,f,g,h,i,j,k} A= {a,c,d,f,g,i} B={b,c,d,f,g} C={a,b,f,i,j)
*January 21, 2013*

**geometry **

A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Determine the number of parks that had at least one of the features
*January 19, 2013*

**Trig**

A 20 foot extension ladder leaning against a building makes a 70.5 degrees angle with the ground. How far up the building does the ladder touch
*January 17, 2013*

**geometry **

determine the measure of <1 and <2 using 14x-15 please help
*January 16, 2013*

**geometry**

The Kramer's family room measures 23 feet by 27 feet. They are covering the floor with square tiles that measure 1 foot on a slide and cost $0.98 each. How much will they spend?
*January 15, 2013*

**Physics! **

A 0.3 kg brick is dropped form a height of 8 meters. It hits the ground and comes to rest. a) Calculate the impulse exerted by ground on the brick. b) It takes 0.0013 seconds from the time the brick first touches the ground until it touches the ground. Calculate the average ...
*January 15, 2013*

**trig**

the mini tent of the clock is 5 cm long.how far is the tip of THE HAND TRAVEL IN 35 MINS.
*January 7, 2013*

**physic =)**

please..somedaY answer this -_-
*January 6, 2013*

**physic =)**

A bullet is fired directly upward from a rifle at ground level. Assuming a velocity muzzle of 490 m/s, and neglecting air resistance, find: A.height of the highest point reached. B.time required to reach this point. C.total time before the bullet returns to the ground. D.speed...
*January 6, 2013*

**math**

how far will a rock fall in 15 sec if it is dropped 150 feet above the river at an initial speed of 24 ft per sec
*December 17, 2012*

**investing**

Which of the following statements is true about financial planning? A. Any kind of financial expert (such as a stockbroker, lawyer, or accountant) can help you develop a comprehensive financial plan. B. Once you have painstakingly developed a financial plan, it is not wise to ...
*December 16, 2012*

**math**

> _
*December 5, 2012*

**math**

the answer is n - 5 ¡Ý 9
*December 5, 2012*

**Medical Terminology**

In the brain area, what function controls the sleep cycle? (a) pons (b) midbrain (c) mdulla oblongata (d) hypothalamus When I looked in my medical terminology book,it had told me something else and these did not seem to be th answer. According to the book it was The Reticular ...
*December 1, 2012*

**Advance Accounting**

On January 1, 20X1, Parent Company acquired 80% of the common stock of Subsidiary Company for $560,000 On this. date Subsidiary had total owners' equity of $540,000, including retained earnings of $240,000. During 20X1, Subsidiary had net income of $60,000 and paid no ...
*November 30, 2012*

**chemistry**

While you are at rest, your brain gets about 15% by volume of your blood. If your body contains 5.2 L of blood, how many liters of blood are in your brain at rest? and how many quarts?
*November 29, 2012*

**chemistry**

What is the minimum volume of 2.00 M HCl necessary to neutralize completely the hydroxide in 800.0 mL of 0.3 M NaOH?
*November 28, 2012*

**chemistry**

One-third cup of vanilla ice cream provides about 145kcal of energy. A typical adult uses about 195kcal/hr of energy while walking. If all of the enrgy in one third of a cup of valilla ice cream were to be burned off by walking, how many minutes would it ake for this energy to...
*November 26, 2012*

**english**

I need to write a short story with the ending relating to "That is how I became Captain"
*November 23, 2012*

**Physics**

An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.91 m/s, and its maximum acceleration is 6.20 m/s2. How much time elapses betwen an instant when the object's speed is at a maximum and...
*November 17, 2012*

**Education**

The answer is not A just took my test and got it wrong.
*November 12, 2012*

**math**

Of the 15 teams in the National Hockey League Eastern Conference, three of them are based in canadian cities. Each year, eight of these teams qualify for the playoffs. Assuming that all the 15 teams have an equal chance of getting into the playoffs, what is the probability ...
*November 7, 2012*

**Physics**

A block is resting at the top of a rough incline with coefficients of kinetic and static friction of 0.25 and 0.45 respectively. The angle of the incline is gradually increased until the block begins to slip. Calculate the angle that the block begins to slip.
*October 27, 2012*

**physics**

The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The two boxes have ...
*October 24, 2012*

**math**

In a card game using a normal deck of playing cards containing 52 cards, 13 cards are dealt to a player. a) how many different combinations of cards are possible in that players hands? b) how many different hands are possible that consist ofnine spades and four clubs. Then ...
*October 21, 2012*

**math**

A jar contains six red marbles, four green marbles and five yellow ones. a) determine the number of ways in which any thee marbles can be selected? b) Determine the number of ways to select four marbles where two are red and two are yellow? c) Determine the number of ways in ...
*October 21, 2012*

**Math**

thank you!
*October 21, 2012*

**Math**

How many five digit numbers can be formed from the set of nine numbers (0,1,2,3,4,5,6,7,8) if no number is repeated and no number starts with zero and a) there are no other restrictins b) the result must be an odd number
*October 21, 2012*

**Math**

for a i had 7 x 7 x 7 x 7 x 7 = 16, 807 for b i had 7 x 6 x 5 x 4 x 3 = 2520 for c i had 7 x 7 x 6 x 7 x 7 c i am very unsure of though.
*October 21, 2012*

**Math**

sorry its supposed to be how many different five digit numbers! can be formed from the seven. sorry!!!!
*October 21, 2012*

**Math**

How many different numbers can be formed fro the set of seven numbers (1,2,3,4,5,6,7) if a) repitition is allowed b) repitition is not allowed c) repitition is allowed and the tird digit must be different from the second digit?
*October 21, 2012*

**statistics**

For each of the following questions, decide whether or not the sample data can be used to construct a confidence interval. How do I go about determining if the sample data can be used to construct a confidence interval? Example: To help consumers assess the risks they are ...
*October 17, 2012*

**physics**

A 5.84kg box sits on a ramp that is inclined at 35.2degrees above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.27. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30m/s square
*October 11, 2012*

**physics**

A 5.84 box sits on a ramp that is inclined at 35.2 above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.27. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30 ?
*October 11, 2012*

**Algebra**

In a lab experiement, there is a culture that contains 25 bacteria at 2:00. At 2:15 there are 50 bacteria, At 3:15 there are 800 bacteria. What is the conjecture about the rate at which the bacteria increase?
*October 3, 2012*

**math/ compounded **

Scenario: A client comes to you for investment advice on his $500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best for his investment. ...
*September 29, 2012*

**Finite Math**

A coin is loaded, so that the probability of a head occuring on a single toss is 2/3. In six tosses of the coin, what is the probability of getting all heads or all tails?
*September 27, 2012*

**math**

two fourths of a circle plus two tenths of a circle is what decimal part of a whole circle?
*September 20, 2012*

**Geometry**

If meaurement of angle DEF=(3x+5) degrees and measurement of angle KLM=(x+31) degrees, and goth angles are complementary to angle PQR, what are the measures of the angles?
*September 16, 2012*

**debt payments**

if I owe $5320.00 and must pay $300.00 a month plus 6% interest per annum till paid at approximately 18 months, how much interest money do I add to the $300.00 monthly payment
*September 5, 2012*

**College Math**

What would 10 to the 16th power be?
*September 3, 2012*

**math**

I need some ideas for teaching statistics and probability to 4th graders
*September 1, 2012*

**College Math**

LPG is stored in highly insulated spherical vessels in most oil refineries. If the inside diameter of one of these tanks is 11.4 ft, find it's volume. Report your answer to the nearest one-tenth of a gal. Use pie-3014, and 1cubic ft= 705 gal. Possible answers to choose ...
*August 31, 2012*

**College Math**

This is a triangle with sides of A,B,C. Side A = 15 yd and side C=25 yd. I need to find the missing side
*August 31, 2012*

**College Math**

Find the missing side. Approximate the answer to three decimal places when appropriate. Possible answers are: (A) 10yd, (B)31.623yd, (C) 20yd, (D) 400yd. Can you help me? I have done this so far. 180-15-25=140. I have tried everything that I know of to get the answer but I'...
*August 31, 2012*

**College Math**

Thanks. Yes it is.
*August 30, 2012*

**College Math**

I believe suplementary
*August 30, 2012*

**College Math**

Find the measure of the missing angle a= 28 degree, b=97degree I 'm not sure how to go about in finding the missing angle. Could you please help?
*August 30, 2012*

**algebra**

what are inclusion symbols
*August 29, 2012*

**College Math**

Thank you for the help of this question.
*August 28, 2012*

**College Math**

High Knob Mountain is 4044 ft. high. What is this distance in meters? The answer I put was (B)102.8m. Is this the correct answer? If no, what am I doing wrong? The other answers to choose from are: (A) 6470m, (C) 1233m (D) 4000m
*August 28, 2012*

**College Math**

So the answer would be 95 1/3. the figuring out on this would be 65 x 3600 devided by 5280 and that is how I got this answer.
*August 28, 2012*

**College Math**

The posted speed limit on many U.S. highways is 65 miles per hour. What is this speed in feet per second? My answer was 5720 feet per second. The other answers that would be a possibility are: (A)3600 feet per second, (B)95 1/3 feet per second, (C) 5720 feet per second, which ...
*August 28, 2012*

**College Math**

IN one mile there are 5280 ft. In a yard there is 3 feet
*August 20, 2012*

**College Math**

The longest banana split ever made was 4mi 686yd long. How many feet is that? However, a 4.55 mile banana split was made in Selinsgrove, PA., in 1988. Which is longer? (Hint: 0.55 miles is 0.55 x 5280 ft.)
*August 20, 2012*

**College Math**

Ms. Sue, I have been trying to answer these questions, But my answer doesn't match the answers in the back of the book. Would you multiply be 60 sec. on each of these? If that is what you should do then the answers would be 6000 and 26400 sec. If I divided I would come up ...
*August 20, 2012*

**College Math**

The average urbanite walks about 2 yd per second. A) How many seconds would it take to go 100yd? B) How may seconds would it take to go 440yd? Not sure how to go about to find the answer.
*August 20, 2012*

**College Math**

Water rises inside a plant's stem an average of 4ft. every hour. A. How many inches is that? The answer for this is 48 inches. B)If a plant is 72 in. tall, how long would it take for water to travel from the bottom to the top of the plant? On part B, I didn't ...
*August 20, 2012*

**College Math**

Nick received a $7000.00 raise. If his previous salary was 55000.00, what was the percent of increase in salary? I put the answer as (A) 13%. The other possible answers are: (B) 1%, (C) 8%, (D) 14%. If my answer is not correct, Could please tell me what I'm doing wrong in ...
*August 17, 2012*

**Math**

Thanks for the help with this question.
*July 13, 2012*

**College Math**

In West Virginia, 100 days of the year (365)have temperatures less than32 degrees Fahrenheir. What (reduced) fraction of the days is that? I'm not sure how to go about finding the answer. Can you please help?
*July 13, 2012*

**health**

when comparing the daily requirement for vitamains and minerals across all life-stage group,it can be said that.
*June 29, 2012*

**health**

A man with a long history of increased blood cholesterol levels has to have part of his carotid artery removed because a blockage has developed there. If the carotid bodies are removed during this procedure.which of the following is most likly to occur.
*June 27, 2012*

**colege algebra.**

what does square root of x^2 times x-5 divided by 3 times square root of x simplify to?
*June 26, 2012*

**principle of accounting**

raper Consulting began operations and completed the following transactions during the first half of December: Dec 2 Received $18,000 cash and gave capital to Draper. 2 Paid monthly office rent, $550. 3 Paid cash for a Dell computer, $1,800. This equipment ...
*June 4, 2012*

**physics**

thanks so much!
*May 29, 2012*

**physics**

1. what happens to the field strength when you halve the distance between two charges? 2. A positive charge of 3.5 uC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the test charge. 3. Three...
*May 29, 2012*

**which of the following sentences is the symbol**

Jason bought three books & two magazines
*May 2, 2012*

**algebra**

Write the slope-intercept equation for the line that passes through (-2, 3) and is perpendicular to 2x – 9y = -12
*April 28, 2012*