Saturday

April 30, 2016
Total # Posts: 1,165

**math**

There are 8 gallons of water in a tank which can hold 15 gallons. How many gallons can be added to this tank.
*April 28, 2016*

**Physics**

A -6 x10^-6 point charge is .030 m from another point charge and experiences a repulsive fore of 180 N what is the magnitude of the other charge
*April 19, 2016*

**science**

How is the virtual image produced by a converging lens different from the virtual image from a diverging lens?
*April 16, 2016*

**7th Grade Math**

Ms. Sue, Thank you so much for explaining.
*April 13, 2016*

**7th Grade Math**

How do I solve this problem? The answer I have is 715-623 = 92 or 92%. Is this the correct answer?
*April 13, 2016*

**7th Grade Math**

I need help with solving the answer to the problem below. What is the percent decrease, to the nearest percent, of the number of books checked out from June to July? June - 623(# of books checked out) July - 715(# of books checked out)
*April 13, 2016*

**Math**

How did you get 8.25% as 1.0825. We was taught to move the decimal two times to the left. Can you explain how you got 1.0825?
*April 13, 2016*

**Physics**

Light is bent as it enters a tank of water from air. It is bent to a greater angle when it goes from air to a glass block. Calculate the angle of refraction of 30.0° light shines from water into ice. The indices of refraction for water and ice are 1.36 and 1.31, ...
*March 24, 2016*

**Physics!! Help**

someone swings a bucket of water in a vertical circle. Describe the water's motion to another person? or How would you? & also how to explain the motion of the water to them? How come the water didn't fall on the persons head? A: Centrifugal force causes the water to ...
*March 24, 2016*

**math**

hourly truck rental terms, hourly rental rate is $25,plus $0.30 per mile john rented truck at 9:00am and returned it at 1:30 he drove a total of 100 miles? how much was he charge for time and milage?
*March 23, 2016*

**math**

If the markup on an oven is 200% based on cost, what is the corresponding percent markup based on selling price? Round percents to the nearest tenth of a percent. Do not enter the percent symbol in your answer.
*March 9, 2016*

**Science**

Ca = 0.75 , Cb = 0.735, and Ka = 7.87044 × 10 6 volume of acid is 100 mL. What is the volume of base at the equiva- lence point of this titration?
*March 9, 2016*

**Science**

Estimate the pH of a solution containing 0.5 L of 0.4 M HClO4 and 0.5 L of 0.2 M NaOH without using a calculator.
*March 9, 2016*

**Chemistry**

When an aqueous solution of sodium hydroxide, NaOH, is added to an aqueous solution of chromium(III) nitrate, Cr(NO3)3, a precipitate of chromium(III) hydroxide, Cr(OH)3, forms. Write a balanced net ionic equation for this reaction.
*March 1, 2016*

**math**

A ladder of length 6m leans against a vertical wall so that the base of the ladder is 2m from the wall. calculate the angle between the ladder and the wall
*February 19, 2016*

**Physics**

At the gym, a woman lifts 40 kilograms of weights on the leg press machine. It takes her 0.5 seconds to raise the weights a vertical distance of 0.4 meters. How much power does the woman generate when lifting the weights?
*February 15, 2016*

**Spelling **

Analogies with a word that begins with a consonant blend
*February 10, 2016*

**Science **

How do astronomers use spectroscope??
*January 30, 2016*

**I HATE LA 1 question**

actually it was deep!
*January 21, 2016*

**I HATE LA 1 question**

which of the following sentence is an adjective? Jack trudged home through deep snow A. Trudged B. Through C. Deep*** D. Home help plz and thank you and fast
*January 21, 2016*

**Math**

You plant a 4 foot maple tree that grows at a rate of 6 inches per year and a 2 foot birch tree grows at a rate of 8 inches per year . In how many years after planting will the two trees be the same height? How tall will each tree be?
*December 13, 2015*

**ELA**

TO HELP ESTABLISH COHERENCE IN A COMPARE AND CONTRAST ESSAY, WHICH OF THE FOLLOWING TRANSITIONS WOULD BEST SHOW A COMPARISON BETWEEN IDEAS?
*November 23, 2015*

**Math**

Can you give me a sample of a word problem that involves two items that totals to $70. One item cost $5 more than the other. What is the cost of each item?
*November 10, 2015*

**Introduction to CARS Passages**

CARS 1: Introduction to CARS Passages Passage I Those who consider the Devil to be a partisan of Evil and angels to be warriors for Good accept the demagogy of the angels. Things are clearly more complicated. Angels are partisans not of Good, but of Divine creation. The Devil...
*November 1, 2015*

**CARS Passages**

CARS 1: Introduction to CARS Passages Passage I Those who consider the Devil to be a partisan of Evil and angels to be warriors for Good accept the demagogy of the angels. Things are clearly more complicated. Angels are partisans not of Good, but of Divine creation. The Devil...
*October 31, 2015*

**child development **

1. When you share observations with parents, they typically A. develop trust in the program. B. pay less attention to their children. C. become less confident in themselves as parents. D. worry about their child's development.
*October 30, 2015*

**math**

Lucas' last 4 test scores were 88, 95, 92 and 81. 90% or better is an A. What would he have to get on his fifth math test to pull up his grade to a 90?
*October 27, 2015*

**algebra**

Dilbert invests a total of $14,000 in two accounts paying 9% and 15% simple interest, respectively. How much was invested in each account if, after one year, the total interest was $1,350.00. A) Enter an equation that uses the information as it is given that can be used to ...
*October 26, 2015*

**algebra**

After robbing a bank in Dodge City, a robber gallops off at 13 mi/h. 20 minutes later, the marshall leaves to pursue the robber at 16 mi/h. How long (in hours) does it take the marshall to catch up to the robber?
*October 26, 2015*

**algebra**

A coffee distributor needs to mix a(n) Queen City coffee blend that normally sells for $9.60 per pound with a Tanzanian coffee blend that normally sells for $11.20 per pound to create 80 pounds of a coffee that can sell for $9.84 per pound. How many pounds of each kind of ...
*October 26, 2015*

**algebra**

Wilma drove at an average speed of 60 mi/h from her home in City A to visit her sister in City B. She stayed in City B 20 hours, and on the trip back averaged 50 mi/h. She returned home 45 hours after leaving. How many miles is City A from City B
*October 26, 2015*

**algebra**

rewrite the following as a ten numeral
*October 26, 2015*

**algebra**

a long distance call costs .50 for the first minute, and then .9 for each additional minute. If the call lasted 10 minutes, how much did the call cost in cents? Thanks
*October 15, 2015*

**jefferson ore**

Using digits 1-9to build following numbers largest even number,largest number with 8 in millions place, smallest number .don't understand how to do this
*October 14, 2015*

**College Algebra**

5:04?
*October 12, 2015*

**algrebra**

in the early months of one year, one site opened 0.6 million new accounts. at this rate, how many days would it take to open 48 million new accounts. Thanks, Tina
*October 11, 2015*

**math**

4 friends order their own personal pan pizzas. No one could finish but Abby ate 2/3, Bobby ate 7/8, Carly ate 3/7, and Danny ate 2/5 of their pizzas. How much did each person eat? Who ate the most, the least and who ate more than half?
*October 8, 2015*

**math**

Leon bought a bike on sale for 75% off the original price. Sale price was $41.00 less than original price. Find the original price and the sale price. Thanks
*October 8, 2015*

**algebra 1**

A farmer can plow a given field in 7 hours. If his son helps him, they can plow the field together in 4 hours. How long would it take his son to plow the field alone? Express your answer as a fraction reduced to lowest terms, if needed.
*October 6, 2015*

**math**

Typo.. when I was dividing, -3 should be -0.25 .
*September 24, 2015*

**math**

Dan has saved $500. He wants to open a chequing account at Save-A-Lot Trust or Maple Leaf Savings. Save-A-Lot Trust's chequing account is $10 per month plus $0.75 per cheque. Maple leaf savings' chequing account is $7 per month plus $1.00 per cheque. Which financial ...
*September 24, 2015*

**math**

shouldn't the 2 in 2(5y... be a 6?
*September 23, 2015*

**math**

thank you
*September 23, 2015*

**math**

6x-2y+1=0 and 3x-5y+7=0 How do I substitute this?
*September 23, 2015*

**Math**

Determine the limit below (if it exists) Problem: lim 8x^2+40x+32/x+4 x→-4 I got 0/0, is that right?
*September 22, 2015*

**math**

y-x=1 2x-y=1 changing it to y y=-x+1 y=2x-1 can someone check if I did it right? If not, please correct me.
*September 22, 2015*

**Math**

I got 0/0 for my answer, is that right?
*September 22, 2015*

**Math**

Determine the limit below (if it exists) Problem: lim 8x^2+40x+32/x+4 x→-4
*September 22, 2015*

**Chemistry help**

How many moles of Fe3O4 are required to supply enough iron to prepare 0.752 mol Fe2O3?
*September 20, 2015*

**Chemistry problem**

How many moles of UF6 would have to be decomposed to provide enough fluorine to prepare 2.14 mol of CF4? I'm not sure how to solve this problem? So far all I did is calculate the moles of F in CF4, which is 8.56 moles
*September 20, 2015*

**math**

Solve by substitution.. y=4x-7 and 2x-3y=6 This is the only question i am stuck on, please help..
*September 19, 2015*

**math**

Alvins mother wants to buy snacks for the soccer team, there are 10 juice boxes in a pack and 8 oatmeal bars in a pack,how many packs i f each does she need to buy to get the same amount of juice boxes and oatmeal bars
*September 17, 2015*

**math**

As you said, that you can't solve a linear equation, that's what it says in the textbook.. also I've checked the back of the book and it says the coordinates are (-1,3). Sorry for the bother.
*September 17, 2015*

**math**

solve each linear equation.. y=x+4 y=-2x+1 I just need help on one of them.
*September 17, 2015*

**math**

Hank sells furniture and earns $280/week plus 4% commission. a) Determine the sales that Hank needs to make to meet his weekly budget requirement of $900. b) Write an equation for this situation, and use it to verify your answer for part. Let x represent earnings and y ...
*September 14, 2015*

**Physics**

A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 1.00 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.20 m/s2, determine each...
*September 13, 2015*

**Science - physics **

a jet airplane lands with a speed of 122 m/s and can accelerate uniformly at a max rate of - 6.2m/s2 as it comes to a rest. can this airplane land in 1.0 km runway
*August 30, 2015*

**computer(internet)**

in my computer all sites are available but facebook site is not available when i tries to open facebook "this webpage is not available"comes i have window xp and i use modem for internet connection plzzzzzzzzz help me?????????????????????????
*August 5, 2015*

**science**

cite samples of lesson plan for elementary students
*July 26, 2015*

**Ecology**

I am having trouble with the global patterns of atmospheric heating and circulation. I don't completely understand.
*July 15, 2015*

**math**

A certain alloy contains 5.25% copper. How much copper is there in a piece weighing 200 pounds. A.1.05 pounds B.105 pounds C.10.5 pounds D.1050 pounds Would it be C 10.5 pounds
*July 8, 2015*

**math**

would the answer be A
*July 8, 2015*

**math**

Theresa worked 9 hours on Monday and 7 on Wednesday. Her total pay was $116.00. What is her rate per hour. A.$7.25 B.$12.89 C.$8.29 D.$16.57 How do I go about finding the answer
*July 8, 2015*

**math**

Change the fraction 3/4 to a percent. A.34% B.63% C.75% D.113% is the answer A
*July 8, 2015*

**math**

If a car travels 340 miles on 20 gallons of gas, how far can it travel on 25 gallons of gas? A.255 B.272 C.425 D.500 would the answer be C
*July 8, 2015*

**math**

33 1/3 %
*July 8, 2015*

**math**

If Joel earns $1,500 per month. If he spends $375 on rent each month, what percent of his income does he spend on rent? Is it 40%
*July 8, 2015*

**math**

Which one of the following statements expresses a true proportion? A.2:3 = 3:2 B.14:6 = 28:18 C.3:5 = 12:20 D.42:7 = 6:2
*July 8, 2015*

**math**

If you're currently making $6.75 per hour and you're offered a new job that pays $7.47 per hour, how much more would you make per hour at the new job? A.$.28 B.$.72 C.$1.28 D.$1.72
*July 8, 2015*

**math**

In the equation x/35=7, what is the value of x? A.7 B.5 C.35 D.245
*July 8, 2015*

**math**

A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet. How many square feet did she have to wax? A.400 square feet B.40 Square feet C.800 Square feet D.80 Square feet
*July 8, 2015*

**Math **

There are 75 envelopes in a package. How many envelopes are in 7 packages? A.552 B.10r5 C.525 D.625
*July 8, 2015*

**Math**

Solve the following : 32 divided by 4 +4x8= A.96 B.32 C.42 D.40
*July 8, 2015*

**math**

During a paint sale, a hardware store sold 33 gallon of paint and 57 gallons of high- gloss paint. What is the ratio of gallons of high-gloss sold to the total gallons sold? A. 33:57 B. 33:90 C. 57:33 D. 57:90
*July 8, 2015*

**math**

change 34.55% to a decimal.
*July 8, 2015*

**math**

Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What is the volume of a cord of wood in cubic feet?
*July 8, 2015*

**math**

How much money will there be in an account at the end of 8yrs if $5000 is deposited at 7% interest compounded semi annually?
*June 23, 2015*

**math**

Completely factor the expression 16t3 − 50t2 + 36t. A. 2t(8t − 9)(t − 2) B. Prime C. 2t(8t + 9)(t + 2) D. 2t(8t − 25t + 18) Completely factor the expression...
*May 14, 2015*

**Math**

Find location of the center, vertices, and foci. (x+4)^2/36-(y-1)^2/25=1 This is an equation of a hyperbola with horizontal transverse axis. Its standard form of equation:%28x-h%29%5E2%2Fa%5E2-%28y-k%29%5E2%2Fb%5E2=1, (h,k)=(x,y) coordinates of center For given hyperbola: ...
*May 14, 2015*

**math**

an artist intends to paint a 60-square-foot mural on a large wall. find the dimensions of the mural if the artist leaves a border of uniform width around it.
*May 2, 2015*

**computer**

ok thank you for helping
*April 29, 2015*

**computer**

2. The website for Long Island University provides online A. style guides. B. bibliography generators. C. print and ebooks that include citation and documentation guides. D. resources that are a popular means of disseminating information. 5. Penn Foster's Academic ...
*April 29, 2015*

**computer**

ok thank you
*April 28, 2015*

**computer**

17. Which of the following sources likely has the most reliable information? A. A graduate student's blog that was updated ten months ago B. A company-sponsored website with detailed citations C. A computer science textbook written by an expert in the field in the early ...
*April 28, 2015*

**Physics for Physical science**

A picture frame hung against a wall is suspended by two wires attached to its upper corners. If the two wires make the same angle with the vertical. (Draw a free body diagram)
*April 19, 2015*

**chemistry**

A compound has 85 % tin and 15% antimony. How many grams of antimony will be in 50. grams of the compound. My question is do I need to calculate the empirical formula first to do thi? I'm not sure where to start.
*April 15, 2015*

**Math**

Find the cost of shingles for the gable roof roof below if one bundle covers approximately 33ft2 and costs $29.95.The top is both ways is 12.7 meters and down is 7.5 meters . Thanks
*April 14, 2015*

**Math**

A flagpole is 5.4 meters high . Express this height in feet and inches.
*April 13, 2015*

**Math**

A plane has a height of 1000 m You see the plane at an angle of 40 degrees with the ground . How far away is the plane from where you are standing. Thank you
*April 12, 2015*

**Please Help me with a Finance - Loan problem**

using the 170,000 instead of 17,00 came up with 3073.23 which is correct.
*April 1, 2015*

**Please Help me with a Finance - Loan problem**

I am reworking the problem .. I see one of my problems .. 17,000 is supposed to be 170,000. Re working problem with correct numbers now
*April 1, 2015*

**Please Help me with a Finance - Loan problem**

A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking fund in order to repay...
*April 1, 2015*

**Finance - Loans problem please help**

A company borrows $170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking fund in order to repay...
*April 1, 2015*

**Civics to Ms.Sue**

B is NOT correct.
*March 27, 2015*

**Physics**

A diver running 1.8 m/s dives out horizontally from the edge of the cliff and 3 s later he reaches the water below. (a) Calculate the resultant velocity (with direction) of the diver just before he hits the water. (10) (b) How high is the cliff, and how far from its base did ...
*March 12, 2015*

**statistics - can someone please Help me**

Thank you so much
*March 10, 2015*

**statistics - can someone please Help me**

I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope. I can not find any problem that is similar. everything i ...
*March 10, 2015*

**Math**

Yes it is
*March 10, 2015*

**statistics**

I have tried for days to figure out how to work this problem. Please help show me how to find the answer. A particular radioactive isotope decays from 210 mg to 182.7 mg in 15 days. Find the half life of the isotope.
*March 10, 2015*

**Math**

Mike was voted Most Valuable Player for 2 out of 5 seasons. What is the probability that Mike will be Most Valuable Player this year? I thought the answer would be 40%, but I'm not sure. I wasn't sure how to include this year in with the past 5 years or even if I ...
*March 7, 2015*