Thursday

May 5, 2016
Total # Posts: 305

**math**

The mass of a box with 6 tennis balls is 2 kg 40 g. The same box with 10 tennis balls is 3 kg 160 g. What is the mass of the empty box?
*April 26, 2016*

**stats**

raffle with a grand prize $500., 2 second place prizes of $100., 4 third place prizes of $50.. the raffle offers 250 tickets for $4. each. what is probability model , the expected value of a single ticket and the target of $200.to be raised can they expect to raise this much ?
*April 10, 2016*

**Statistics **

Bookstore has a website for which 90 percent of their book sales are to out of state customers and not subject to the collection of sales tax . The sample proportion of all sales to out of state customers from samples of size 100 will vary in repeated sampling. The sampling ...
*April 3, 2016*

**algebra**

How do I work this problem? m=-3, (4,5)
*April 2, 2016*

**math**

Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got the most ice cream? ...
*March 16, 2016*

**math**

Grandpa Mick opened a pint of ice crew. He gave his youngest grandchild 1/5 of the ice cream and his middle grandchild 1/4 of the remaining ice cream. Then, he gave his oldest grandchild 1/3 of the ice cream that was left after serving the others. Who got the most ice cream?
*March 16, 2016*

**math**

At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are angel-food. What fraction of all of the baked goods at Laurita's Bakery are coconut pies? What fraction of all of the baked goods at Laurita&#...
*March 16, 2016*

**math**

ABCD is a rectangle of perimeter 48cm. AB=6 cm and CD=DE. What is the length of ABCD?
*March 6, 2016*

**Math**

in figure LM = 18 ft, KM=16 ft and KN=14ft what is the area of KLM
*March 3, 2016*

**Math**

How long will it take to go three tenth of an mile going 80 miles an hour
*February 23, 2016*

**business**

what ethical social political issue might arise from using wiki
*February 18, 2016*

**Science**

How many traits are involved in a monohybrid cross? How many alleles are involved? What prevents the expression of a recessive allele? When gametes form, what happens to the alleles for each trait?
*February 15, 2016*

**Amercan Literature**

The yellow cane Alexandra finds at maries house is a symbol of
*January 10, 2016*

**math**

Carla spends 6/4 hours exercising every day for 12 days. She spends 1/2 of exercise time every day lifting weights. How much time does Carla spend lifting weights during the 12 days?
*December 2, 2015*

**math**

Alli's plant has a height of 6 meters. Rajon's plant grows 3/10 meter higher. How high does Rajon's plant grow.
*December 2, 2015*

**math**

The produce manager receives 5 containers of green beans, each weighing 7 pounds. She divides the total amount of green beans into 3 equal-weight portions. What is the weight of the beans in each portion?
*November 15, 2015*

**math**

Riley told his mom that multiplying whole numbers by multiples of 10 was easy because you just count zeros in the factors and put them in the product... 7,000 x 600 = 4,200,000 Riley's mom said this strategy will not always works? Why not? Give example
*November 10, 2015*

**math**

a jeans designer offers 5 styles of jeans in 5 different colors. How many different combinations of style and color are possible?
*November 4, 2015*

**math**

Lily plants 80 seeds in her garden. Half of them are carrots. The rest are pumpkins and radishes. There are 6 more pumpkin seed than radish seeds. a. How many radish seeds are there? b. How many carrot and radish seeds does Lily plant?
*November 2, 2015*

**MATH**

MAYA had $2740 in play money and Emily had $3560. Maya had to give some money to Emily. After that, Emily had 4 times the amount of play money as Maya. How much money did Maya have in the end? How much money did Emily have in the end?
*October 22, 2015*

**math**

sam runs around a rectangular field 4 times a week. The field is 320 meters long and 240 meters wide. He runs 6 laps each time. What distance does he run in a week'
*October 21, 2015*

**Cincinnati state**

The perimeter of a volleyball court is 180 feet, anditswidth is 40 feet Find the length of the volleyball court
*September 24, 2015*

**Physics**

In a double-slit interference experiment, the wavelength is 500 nm, the slit separation is 0.150 mm, and the screen is 33.7 cm away from the slits. What is the linear distance between adjacent maxima on the screen?
*September 9, 2015*

**physical science**

A car is driving at an average speed of 100km/hr for 2 hours, then drives an average of 50.0km/hr for one hour. what was the average speed of the 3 hours? 100.0km/h 100.0km/h +50.0km/h =250.0km/3h 250.0km/3h divided by 3h =83.3km/h
*June 15, 2015*

**Chemistry**

At a deep-sea station 200.m below the surface of the Pacific Ocean, workers live in a highlypressurized environment. How much gas at STP must be compressed on the surface to fill the underwater environment with 1 × 107 L of gas at 16 atm? Assume that temperatureremains ...
*May 7, 2015*

**Chemistry**

I guess I am dumb I don't get it
*May 7, 2015*

**Chemistry**

A sample of nitrogen gas is collected overwater at a temperature of 23◦C. What is the pressure of the nitrogen gas if the atmospheric pressure is 744 mmHg? Answer in units of mmHg. Not sure of formula for this
*May 7, 2015*

**chemistry**

If the volume is 226 L at 1.7 atm, find the volume at 2.8 atm. Assume the temperature and amount of gas remain constant. Answer in units of L.
*May 6, 2015*

**statistics**

The critical Value is t=2.093 Degrees of Freedom n-1
*February 22, 2015*

**Math**

It takes Jaiden 5 and 3/4 hours to do her homework each week. It takes her 2 and 3/4 hours to complete her science and 1 and 1/2 hours to complete her math homework. How long does it take her to complete Social Studies homework? Use the numbers and symbols, listed below, to ...
*January 13, 2015*

**Chemistry**

According to his prelaboratory theoretical yield calculations, a student's experiment should have produced 1.41 g of magnesium oxide. When he weighed his product after reaction, only 1.33 g of magnesium oxide was present. What is the student's percent yield?
*December 6, 2014*

**chemistry**

Can somebody please answer my question.
*December 6, 2014*

**Chemistry**

'calculate the mass in amu of 2.879 1023 xenon atoms'
*December 6, 2014*

**Chemistry**

Merchants usually sell small nuts, washers, and bolts by weight (like jelly beans!) rather than by individually counting the items. Suppose a particular type of washer weighs 0.128 g on the average. What would 130. such washers weigh?
*December 5, 2014*

**Chemistry**

What volume will 823 mL of SO3 gas at 11 degrees celsius and 720 mm Hg occupy when the pressure is raised to 1.55atm and the temperature is raised to 81 degrees celsius?
*November 23, 2014*

**Chemistry**

A volume of 725 mL of a gas is collected at 105 degrees celcius and 746 torr. The gas sample wights 1.92 grams. What is this gas?
*November 22, 2014*

**Chemistry**

It takes 37.16 mL of 0.510 M HCL to neutralize 25.00 mL of NaOh. What is the concentration of the NaOH?
*November 22, 2014*

**chemistry**

2.9 in3 of mercury to its volume in milliliters and its mass in kilograms
*November 12, 2014*

**chemistry**

263 mL ethanol to its mass in grams
*November 12, 2014*

**Chemistry**

Figured that one out. Thank you
*November 12, 2014*

**Chemistry**

Iron has density 7.87 g/cm3. If 52.3 g of iron is added to 74.5 mL of water in a graduated cylinder, to what volume reading will the water level in the cylinder rise? mL
*November 12, 2014*

**chemistry**

Thank you Dr. Bob
*November 12, 2014*

**chemistry**

28.09 g of silicon contains 6.02 1023 silicon atoms. What is the mass in grams of 1.06 1025 silicon atoms? Can you help me please.
*November 12, 2014*

**Chemistry**

28.09 g of silicon contains 6.02 1023 silicon atoms. What is the mass in grams of 1.06 1025 silicon atoms?
*November 12, 2014*

**Chemistry**

Thank you
*November 8, 2014*

**Chemistry**

What would be the molarity of a solution made by dissolving 126g K3PO4 into 1500 mL of water?
*November 8, 2014*

**chemistry**

Is this correct? 3.84 mol(2 H2O/7.68)????
*October 27, 2014*

**chemistry**

Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68) How do I get the ...
*October 27, 2014*

**Chemistry**

Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68) How do I get the ...
*October 27, 2014*

**chemistry**

Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O? Desperate to understand this. I got K= 150g./39.0983=3.84 mols of K. Then would it be 3.84(2mols H2O/7.68) How do I get the ...
*October 27, 2014*

**chemistry**

Find the mass of water (H2O) needed to react with 150 grams of potassium (K) 2K(s) + 2 H2O (g)-2KOH +H2(g) How do I get the number of moles in H2O?
*October 27, 2014*

**chemistry**

How do I get the number of moles of H2O
*October 27, 2014*

**chemistry**

find the mass of water(H2O) needed to react with 150 grams of potassium(K)
*October 27, 2014*

**chemistry**

1/10^-8 in scientific notation
*October 27, 2014*

**chemistry**

1/10^-8 in scientific notation. I need help please.
*October 27, 2014*

**chemistry**

1/0.000015 in scientific notation. Please explain how to do this.
*October 27, 2014*

**Chemistry**

1/10e-8 in scientific notation. How do I solve this please.
*October 27, 2014*

**Chemistry**

If 525J of energy are added to a 75.5g piece of iron at 22.2 degrees celcius what is the final temperature?
*October 27, 2014*

**Chemistry**

Never mind. I got it.
*October 27, 2014*

**Chemistry**

How much energy is required to raise the temperature of a 34.4g Al bar from 20.0 to 35.5 degrees celcius?
*October 27, 2014*

**Chemistry**

How many atoms of nitrogen are in 3.00g of N2O5?
*October 27, 2014*

**Pharmacy Tech**

15gr of potassium chloride is diluted in 2 L of sterile water for injection. What is the final percent strength?
*October 9, 2014*

**Health**

19 : C microwave popcorn....
*October 8, 2014*

**world issues**

Imagine that you are advising President Obama as he develops his address to the nation on ISIS, what specific actions would you advise him to include in his strategy to deal with the ISIS crisis? (Based on the article: U.S. Weighs Direct Military Action Against ISIS in Syria) ...
*September 9, 2014*

**math**

find the height in feet of a ball after 6 seconds in the air. after one second the ball is 148 feet in the air; after 2 seconds it is 272 feet in the air
*June 16, 2014*

**math**

this investment require table factors for periods beyond the table. create the new table factor AND the present value for $100,000 (compound amount) for 50 years at a nominal rate of 5 percent with interest compounded annually thanks
*May 15, 2014*

**math**

what is the maturity value of $20.000 investment with the rate of 6 percent for a term of 15 years
*May 15, 2014*

**math**

the following investments require table factors for periods beyond the table, create the new table factors AND present value $31,000 (compound amount) time period is 50 years nominal rate is 5% and interest compounded annually thanks
*May 14, 2014*

**math**

calculate the present value (principal) and compound interest on $900 (term of investment 1.75 years ) rate of 18% compounded monthly
*May 14, 2014*

**math**

for the month of january, an engine parts supplier company had the following financial information: merchandise inventory, january 1, $322,000, merchandise inventory january 31 $316,400, grooss purchases, $243,460, purchase returns and allowances $26,880 and frieght in $3,430 ...
*May 14, 2014*

**math**

what was the interest rate on the loan for $50,000 if the interest amounted to $4500 for 9 months
*May 14, 2014*

**math**

the fabric mart had cost of goods sold at $844,000 for the year.the beginning inventory at cost was $305,500, and the ending inventory at cost amounted to $414,200. the inventory turn-over rate published as the industry standard for a business of this size is five times...what...
*May 8, 2014*

**math**

The fabric mart had costs of goods sold at $844,000 for the year
*May 7, 2014*

**Astronomy**

donno
*May 6, 2014*

**Medical billing and coding**

research project APA style, regarding:P POA indicator questions. I want to know if I need to post the questions, and then answer them, or do I just use the format for numbers and than answer. I have never done APA style, and this is really puzzling me. Thank you for your help...
*April 30, 2014*

**math**

what percent is 6,944.85 of 154,330.00
*April 30, 2014*

**math**

what is 4.5 % of $154,330.00
*April 30, 2014*

**math**

calculate compound interest (quarterly )earned in a year for $1000.00 with a nominal rate of 8%...(APY) ? THANKS
*April 24, 2014*

**math**

find compound and (apy) amount for $1000.00 with a 12% nominal rate (quarterly).determine how many days of loan thanks
*April 24, 2014*

**math**

calculate the present value AND the compound interest for this investment, round to the nearest cent...$20.000 with a nominal rate of 14% for 30 months ( semiannually)
*April 24, 2014*

**math**

create a new table factor and calculate the compound amount for $10.000 with a nominal rate of 6% for 4 years
*April 24, 2014*

**Early Childhood**

Mrs. Bates watched David work a puzzle that he had chosen from the ones she put on the table. She listened and commented when David made guesses at the correct location for the pieces. This is an example of a/an __________ activity. A. structured B. unstructured C. child-...
*March 12, 2014*

**Alegbra**

-8 3.4x 10
*March 12, 2014*

**Language Arts**

homes
*March 12, 2014*

**Algebra**

Needing help, Please.. Robert needs to fill up a box with packaging material. Use the picture below to calculate the volume of the box. (2x+3)length (x-3)height (x+2)width
*March 5, 2014*

**Algebra**

Robert needs to fill up a box with packaging material. Use the picture below to calculate the volume of the box. Length (2x+3) Width (x+2) Height (x-3)
*March 4, 2014*

**math**

Two numbers have a product of 3 and 1/5 and a sum of 3 and 3/5 what are the numbers
*February 28, 2014*

**Algebra**

Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the square. If x=6, will she ...
*February 25, 2014*

**Math**

Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the square. If x=6, will she ...
*February 25, 2014*

**Math**

John wants to hire an editor to check his thesis paper. The editor charges a flat rate of $50 and $2 per page. Write a polynomial to describe the cost. Find the cost of editing 75 pages. Calculations: Answer: Polynomial: ____________________Cost:_________________
*February 24, 2014*

**Math**

A party planner can spend a maximum of $5000 on food. If the chicken dinner (x) costs $20 and the steak dinner (y) costs $25, make a graph of the region that shows the possibilities for the number of chicken and steak dinners that can be purchased while still staying within ...
*February 18, 2014*

**Math**

3/7= 0.428 liters each or 428 mililiters each
*January 13, 2014*

**Penn Foster**

@Writeacher I think she already did that, it's says (my choice) after the answers :D
*January 13, 2014*

**physics I'M STUCK PZL HELP**

because they ask you for half of the time, so in your case in 145 it gets burned 5% in 145 seconds
*December 8, 2013*

**physics I'M STUCK PZL HELP**

p: percentage (4.5% is burned in 155s) m:mass of rocket u:fuelspeed in meter/s! v=u*ln(1/(1-p))=1500*ln(1/0.955) a=v/t = 69.065/155= 0.4455
*December 8, 2013*

**physics I'M STUCK PZL HELP**

Me too!!!
*December 8, 2013*

**physics(URGENT!!!!!)**

it doesnt matter if the wind blows, so its the same frequency. In your case 450.
*December 8, 2013*

**Physics Classical Mechanics**

A ruler stands vertically against a wall. It is given a tiny impulse at θ=0∘ such that it starts falling down under the influence of gravity. You can consider that the initial angular velocity is very small so that ω(θ=0∘)=0. The ruler has mass m= ...
*December 8, 2013*

**Business Math and Statistics**

You deposit $1,000 for 4 years at an interest rate of 2.0%. If the interest is compounded annually, how much money do you have after 4 years?
*December 8, 2013*

**Math**

if takes bob 40 mins to type 6 pages how many pages can bob take type in 2.5 hours
*November 19, 2013*