Sunday

September 21, 2014

September 21, 2014

Total # Posts: 1,107

**Physics**

Thanks bobpursley! I was somewhere close to that idea. I had mgh=1/2mv^2 + 1/5mv^2. I let h=12sin30. I was solving for velocity for some reason, doh!
*July 15, 2012*

**Physics**

You roll a 5 kg bowling ball (R=20cm) with an initial speed of 10 m/s up a 30 degree ramp that is 12 m long. Will the ball reach the top of the ramp? (support your answer)
*July 15, 2012*

**Physics (angular momentum)**

A solid disk of 5kg and radius 0.5m turns at the rate of 10rpm. You then carefully place a 2kg book at the edge of table as it spins. What is the new rotation rate of the table(in rpm)?
*July 15, 2012*

**Math**

Thanks!
*July 9, 2012*

**Math**

A mini-cone has a diameter of 2 inches at the widest point and holds 12.5 in3 of ice cream. A mega-cone holds 133.1 in3 of ice cream. What is the diameter of the mega-cone at its widest point?
*July 9, 2012*

**GED-Word Problems**

Rob's tape measure is marked in centimeters. He is building a birdhouse from plans marked in inches. He needs a board 22 inches long. Karl knows there are 2.54 CM in 1 in. How can he figure out how many centimeters are 22 inches?
*June 18, 2012*

**Physics check my answer!**

In order to reduce potential danger to the environment, a biohazard laboratory maintains an internal air pressure that is 1% lower than atmospheric pressure. The net force acting on a 1.8-m2 external window of this laboratory due to air pressure is most nearly 1.8 N 18 N 1.8 &...
*June 15, 2012*

**math**

whats a math problem for 48 divided by 8 equals 6
*June 15, 2012*

**GED-Word Problems**

Taxes on lot A are $151.00 are more than on lot B. the combined taxes on the 2 lots are $1,121.00. What are the taxes for each lot?
*June 12, 2012*

**GED-Word Problems**

Enrique put $300 dollars into a savings account at 5% interest per year. The earned interest on the $300 was added to the account at the end of the year. At the time Enrique made an additional deposit of $200. How much does have in his account?
*June 12, 2012*

**Physics**

A 6.25 kg solid ball with a radius of 0.185 m rolls without slipping at 3.55 m/s. What is its total kinetic energy? I didn't understand what the last person gave me for help can someone please help me!
*June 10, 2012*

**Physics**

A 6.25 kg solid ball with a radius of 0.185 m rolls without slipping at 3.55 m/s. What is its total kinetic energy?
*June 9, 2012*

**chemistry HELP plz!**

What value should theoretically be obtained for the intercept on a graph of mass vs volume? HINT: The intercept corresponds to zero mass and zero volume.
*May 28, 2012*

**Geometry (Mathematics)**

P = 2L + 2W 74 = 2(W + 15) + 2W 74 = 2W + 30 + 2W 74 - 30 = 4W 44 = 4W 11 = W
*May 22, 2012*

**trig**

Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the max displacement occurs when t=0. answers: y=4sin pi t, y=4cos pi t, y=4cos t, y=4sin2 pi t
*May 17, 2012*

**trig**

an angle with the radian measure of 9pi/5. find radian measure of its reference angle. answers: -4/5, 4pi/5, -pi/5, or pi/5
*May 17, 2012*

**trig**

what is the exact value of sin[tan^-1(2/3)]
*May 17, 2012*

**math**

Mary Katherine has a bag of 3 red apples, 5 yellow apples and 4 green apples. Mary takes a red apple out of the bag and does not replace it. What is the probability that the next apple she takes out is yellow?
*May 16, 2012*

**history**

12. Link Past and Present In 2001, President George W. Bush signed the Economic Growth and Tax Relief Reconciliation Act of 2001 (EGTRRA). This bill called for large tax cuts just as the Economic Recovery Act of 1981 had and largely benefited the wealthiest Americans. ...
*May 15, 2012*

**GED-Word Problems**

Roland drives a mixer for a cement company. The mixer is a cylinder 10 feet long with a diameter of 9.5 feet. What is the volume of the mixer?
*May 13, 2012*

**GED-Word Problems**

A pan is 24 cm wide 35 cm long and 2 cm deep. A full pan of brownies is how many cubic centimeters?
*May 13, 2012*

**GED-Word Problems**

How many cubic feet of gravel will be needed to fill a circular area 14 feet across and 3 inches deep?
*May 13, 2012*

**math**

Solve by Factoring 2a^2 - 3a = -5
*May 11, 2012*

**GED-Word Problems**

At track practice Fred runs the 440 meter dash 5 times a day, 5 days a week. How many kilometers does he run a week?
*May 8, 2012*

**GED-Word Problems**

A paperback books weighs 175 grams. How many kilograms will a box of 80 books weigh?
*May 8, 2012*

**GED-Word Problems**

About how many liters of water does Ms. Choi use if each plant uses approximately 270 milliliters and she has 11 plants?
*May 8, 2012*

**GED-Word Problems**

Two-liter bottles of cola were selling for the same price as a six-pack of cola. Each can hold 354 milliliters. Which is the better buy?
*May 8, 2012*

**GED-Word Problems**

Two weeks ago John's corn crop measured 5 inches tall. Now they are 2 feet 3 inches tall. What was the percent of increase?
*May 8, 2012*

**GED-Word Problems**

Robert feeds his dogs 1 Lb 4 oz of dog food a day. How long will a 40 pound bag last?
*May 8, 2012*

**Office management**

(1) The best reference a potential job applicant can use in a reśumé is a (an) A. Next-door neighbor B. aunt or uncle C. Past teacher D. Former supervisor I choose (C) What would you suggest, could be (D) as well .
*May 3, 2012*

**Chemistry**

A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 7.44 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in volts. (assume a temperature of 25...
*May 2, 2012*

**GED-Word Problems**

.34/37,000
*May 1, 2012*

**GED-Word Problems**

It is estimated that 34% of the new trees planted each year are lost in the dry summer. If a farmer planted 37,000 pines, how many could she expect to lose?
*May 1, 2012*

**GED-Word Problems**

If 7 3/8 pounds of peanuts, 2 1/4 pounds of walnuts, and 1 pound of pecans are divided equally to create 5 bags of mixed nuts, how much does each bag weigh?
*April 29, 2012*

**GED-Word Problems**

Ms. Niemeyer is taking the train 3,240 miles to Oregon. She will travel 1/8 the distance the first day and 1/6 the distance the second day. How far will she have left to go after two days?
*April 29, 2012*

**Life orientation**

5 ways human/ environmental problems impact on the community
*April 28, 2012*

**GED-Word Problems**

Jody's new jeans are 30 inches long. They need to be shortened 1 1/2 inches. How long will they be after are shortened?
*April 25, 2012*

**GED-Word Problems**

Each piece of candy weighs 1/8 pound. If Donna buys 15 pieces, how many pounds of candy will she buy?
*April 25, 2012*

**GED-Word Problems**

Anna decided to start an exercise program. She kept track of how much she exercised each week. On Tuesday she took an aerobics class for 3/4 hour. On Thursday she went on a hike for 1 1/2 hours. On Saturday she played basketball for 3 1/4 hours. How many hours did she exercise...
*April 25, 2012*

**accounting**

The market interest rate for Christian Charities is 8% on January 1, 2008. On that day, Christian Charities issued the following bonds. A. $500,000 7-year 7% bond B. $300,000 10-year 9% bond For both bonds, interest is paid semiannually on June 30 and December 31 each year up ...
*April 23, 2012*

**GED-Word Problems**

thanks
*April 18, 2012*

**GED-Word Problems**

Helen is taking a word processing class 2 nights a week for 13 weeks. She hires a babysitter each night she is in class. How many nights in all will she need to hire a babysitter?
*April 18, 2012*

**GED-Geometry**

a squared + b squared = c squared 5 squared + 12 squared = c
*April 18, 2012*

**geometry**

a squared + b squared=c squared 5 squared + 12 squared = c
*April 18, 2012*

**Science**

What pressure is exerted by 0.010 mol of methane gas if it is volume is 0.26 L at 373°K?
*April 13, 2012*

**algebra**

35/(7-2)/ the square root of 49
*April 4, 2012*

**ENGLISH: types of business writing**

I see it, thanks so much....
*April 4, 2012*

**physiology**

I have some questions related to diabetes. Im just wondering if someone's fasting glucose level could be different if they have Type I diabetes compared to Type II diabetes, or would they be similar? Also, if a drug for treating Type II diabetes supressed glucagon activity...
*April 3, 2012*

**chemistry**

A 200-mL sample of Oxygen gas is collected at 26 degrees C and a pressure of 690 torr. What volume will the gas occupy at STP (0 degree C and 760 torr)
*April 1, 2012*

**ENGLISH Revised**

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...
*March 30, 2012*

**ENGLISH Revised**

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...
*March 30, 2012*

**ENGLISH revised **

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...
*March 30, 2012*

**ENGLISH; improving your writing**

REPHRASED and punctuation corrected... For the past three months, I have noticed work related problems occurring within our company of DMD Medical Supplies. The quality of work has not been satisfactory, causing employees to be under stress and the workflow has been uneven ...
*March 30, 2012*

**ENGLISH; improving your writing**

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...
*March 30, 2012*

**English**

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...
*March 29, 2012*

**Improving your writing**

Sorry forgot to paste the paragraphs,, For the past three months, I have noticed work related problems occurring within our company of DMD Medical Supplies; the quality of work has not been satisfactory, causing employees to be stressed, and the workflow has been uneven ...
*March 29, 2012*

**Improving your writing**

BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the ...
*March 29, 2012*

**science**

why does cobalt chloride strip turn pink or blue?
*March 29, 2012*

**Statistics**

A machine is used to fill soda bottles in a factory. The bottles are labeled as containing 2.0 liters, but extra room at the top of the bottle allows for a maximum of 2.25 liters of soda before the bottle overflows. The standard deviation of the amount of soda put into the ...
*March 27, 2012*

**Math**

The least integer of a set of consecutive integers is -25 if the sum of these integers is 26,how many integers are in this set?
*March 27, 2012*

**Geometry**

The side length of square ABCD is 1 unit. Its diagonal, AC, is a side of square ACEF. Square ACEF is then enlarged by a scale factor of 2. What is the area of the enlargement, in square units?
*March 27, 2012*

**cda**

Oops. You were correct, it is A, just read it in my text book :-) "By age 2, girls appear overwhelmed by boys' rambunctious behavior. When a girl and a boy are paired in a laboratory play session, the girl is likely to stand idly by while the boy explores the toys.&...
*March 26, 2012*

**child development associate**

It's B.
*March 26, 2012*

**Human Resources**

What types of issues might indicate a need for training? From what sources would these issues be identified? If you were a training manager, how would you prioritize training needs from these sources? My position I selected was Healthcare Administration.
*March 18, 2012*

**chemistry **

Write a balanced reaction for the formation of Fe2O3 (s)?????
*March 18, 2012*

**Math**

I am confuse how do you divided 60 into4,356 please help!
*March 18, 2012*

**physics**

Suppose that a 200g mass (0.20kg) is oscillating at the end of a spring upon a horizontal surface that is essentially friction-free. The spring can be both stretched and compressed and have a spring constant of 240N/m. It was originally stretched a distance of 12cm (0.12m) ...
*March 13, 2012*

**Physics**

Suppose that a 200g mass (0.20kg) is oscillating at the end of a spring upon a horizontal surface that is essentially friction-free. The spring can be both stretched and compressed and have a spring constant of 240N/m. It was originally stretched a distance of 12cm (0.12m) ...
*March 13, 2012*

**science**

wich material is the most dense air water plastic or iron
*March 8, 2012*

**geometry**

A wooden pyramid, 12 inches tall, has a square base. A carpenter increases the dimensions of the wooden pyramid by a factor of 5 and makes a larger pyramid with the new dimensions. Describe in complete sentences the ratio of the volumes of the two pyramids.
*March 8, 2012*

**MTED402**

THERE WERE 390 ADULT AND CHILDREN TICKETS THAT WERE SOLD AT A PLAY. THE THEATRE SOLD 2.25 TIMES MORE ADULT TICKETS THEN CHILDREN TICKETS. IF ADULT TICKETS COST $8 AND CHILD TICKETS COST $3. WHAT WAS THE TOTAL REVENUE FOR THE AMOUNT OF TICKETS SOLD?
*March 7, 2012*

**social studies**

I want to run away have any tips
*March 2, 2012*

**Math**

I am not sure how to convert my Cartesian xyz-coordinates into meters. x = 0.666 y = 0.666 z = 0.327 a = 6,377,563.396 meters b = 6,356,256.910 meters
*March 1, 2012*

**Math**

Charlene has 2 5/8 yards of fabric. The curtain she is making requires 3 3/4 yards. How much more fabric does she need?
*February 28, 2012*

**consumer math**

The following describes the status of the O'Daniel's budget. A) It is in surplus B) It is in deficit C) It is balanced
*February 28, 2012*

**PHYSICS**

yeah I meant cm. so for F= 8.99*10^9(9.11*10^-31)/ .01m^2 ?
*February 22, 2012*

**PHYSICS**

A free electron and a free proton are exactly 1.0 com apart. Find the magnitude and direction of (a) the acceleration of the proton and (b) the acceleration of the electron.
*February 22, 2012*

**PHYSICS help please**

Two small charged balls have a repulsive force of 0.12 N when they are separated by a distance of 0.85 m. The balls are moved closer together, until the repulsive force is 0.60 N. How far apart are they now?
*February 22, 2012*

**consumer math**

The graph represents the purchasing power if the inflation is 12%. Estimate the purchasing power of a monthly salary of $3000?
*February 21, 2012*

**Math**

You made $3000 on a part time job last year. If you expect to make the same amount this year and the inflation rate is 3%, what is your purchasing power?
*February 21, 2012*

**chemistry**

When 16.3 g of magnesiumm reacts with 4.52 g of oxygen, how many grams of magnesium oxide will be performed? Identify the limiting and excess reactants.
*February 15, 2012*

**Math: Word Problem/Percets**

374
*February 13, 2012*

**Math: Word Problem/Percets**

Stevie bought a stereo for $220 and put it on sale at his store at a 70% markup rate. What was the retail price of the stereo?
*February 13, 2012*

**finite**

In how many ways can this be done?
*February 13, 2012*

**finite**

Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3 people from the other 11 members of the committee.
*February 13, 2012*

**College Chemistry**

i have no idea. i was given a few conversion factors but i always end up with something that i dont know how to convert
*February 13, 2012*

**College Chemistry**

previous answer to problem before this one(relevant in 2nd half of this question): 294.472689amu what would be the mass of 1.36 moles of these atoms? Enter your answer here: ____ g
*February 13, 2012*

**math**

Assume that there are 11 girls and 9 boys in the neighborhood club, and a team of 6 is to be selected.How many different teams can be selected if each team must contain exactly 3 girls and 3 boys?
*February 13, 2012*

**Math**

Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3 people from the other 11 members of the committee. In how many ways can this be done?
*February 13, 2012*

**Math**

Assume that the committee consists of 8 Republicans and 6 Democrats. A subcommittee consisting of 7 people is to be selected. How many such subcommittees are possible if each subcommittee must contain at least 1 and no more than 3 Democrats?
*February 13, 2012*

**Math**

Assume that you have 7 dimes and 5 quarters (all distinct), and you select 4 coins. In how many ways can the selection be made so that at least 3 coins are dimes?In how many ways can the selection be made so that at least 3 coins are dimes?
*February 13, 2012*

**math-measurement**

divide 3 gallons by 4
*February 12, 2012*

**math**

divide 1 yd 4 in. by 5
*February 12, 2012*

**math-measurement**

How do i multiply 2 yards 1 foot by 8
*February 12, 2012*

**math-measurement**

Multiply 2 yards 1 foot by 8
*February 12, 2012*

**math**

Subtract 1 ft 7 in. from 2ft. 2in.
*February 12, 2012*

**math-measurement**

Subtract 1 foot 7 inch from 2 feet 2 inches
*February 12, 2012*

**science4**

Last one i swear.... If the manatees were able to make 3 adaptions to their body or way of life for their survival, what would they be?
*February 12, 2012*

**SCIENCE3**

i still dont know..
*February 12, 2012*

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