Wednesday

August 27, 2014

August 27, 2014

Total # Posts: 618

**7th grade Math/Science**

oh! I see. I thought i needed a formula. 9000m + 19000m = 28000m Thanks!
*August 20, 2014*

**7th grade Math/Science **

Can you help me with this science question: from sea level, the biosphere goes up about 9km and down about 19km. What is the thickness of the biosphere in meters? (there wasn't a formula in the workbook). Thanks
*August 20, 2014*

**chemistry**

Which one of the following is a characteristic of a metal? A. Reacts with bases to produce salts B. Changes the color of litmus paper to red C. Becomes negative when combined with other elements D. Conducts heat readily
*July 21, 2014*

**Pre algebra**

Will has a mean score of 62 on the first five test in science. if he gets a 50 on the next test what will his mean be then?
*July 14, 2014*

**babysitting**

5) Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans? A. Orange juice or other forms of Vitamin C B. Milk products or eggs C. Tea D. All of the above E. B and C 6) Which vegetable would cause the blood ...
*July 12, 2014*

**US Government**

courts issued court orders, or i-j--cti--, to make sure that people of color were allowed to vote
*July 7, 2014*

**Math Personal Finance**

A friend tells you that her savings account doubled in 9 years. Use the Rule of 72 to estimate what the APR of her account was.
*June 8, 2014*

**Math Personal Finance**

A friend tells you that her savings account doubled in years. Use the Rule of 72 to estimate what the APR of her account was. APR=____%
*June 8, 2014*

**Math Personal Finance**

What is the present value of an investment that will be worth $2000 at the end of five years? Assume an APR of 6% compounded monthly. Present Value= $____
*June 8, 2014*

**Math Personal Finance**

What is the present value of an investment that will be worth $2000 at the end of five years? Assume an APR (Annual Percentage Rate) of 6% compounded monthly. The present value is $_____ .
*June 8, 2014*

**Math Personal Finance**

Assume an 18-month CD purchased for $7000 pays an APR of 5% compounded monthly. What is the APY? APY=____%
*June 8, 2014*

**Math Personal Finance**

Assume an investment of $100 earns an APR (Annual Percentage Rate) of 5% compounded annually. The balance after 190 years will be $______.
*June 8, 2014*

**Math Personal Finance**

Assume an investment of $7000 earns an APR (Annual Percentage Rate) of 6% compounded monthly for 18 months. The money in your account after 18 months will be $______.
*June 8, 2014*

**Math Personal Finance**

Assume we invest $2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly. The compound interest formula is: Balance after t periods = Principal × (1 + r)t The final balance using the compound interest formula is $...
*June 8, 2014*

**Math Personal Finance**

Assume we invest $2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly. Calculate the interest and compound it by hand each quarter rather than using the compound interest formula. The total interest the account has ...
*June 8, 2014*

**Math Personal Finance**

Assume a 30-month CD purchased for $4000 pays simple interest at an annual rate of 5.5%. How much total interest does it earn? What is the balance at maturity?
*June 8, 2014*

**Personal Finance**

Suppose you put in a savings account at an APR of 6% compounded monthly. Fill in the table below rounding your answers to the nearest cent. (Calculate the interest and compound it by hand each month rather than using the compound interest formula.) Month Interest Earned ...
*June 8, 2014*

**Math Personal Finance**

Assume a 30-month CD purchased for pays simple interest at an annual rate of 5.5%. How much total interest does it earn? What is the balance at maturity?
*June 8, 2014*

**Math**

Marisol invested $48,000 in an 18 month CD with a 4.28% APY compounded monthly. What will be the value of the CD be after the 18 months?
*June 5, 2014*

**Math**

In 1986 an earthquake measuring 5.0 on the Richter scale hit northeast Ohio. This earthquake is _______ times as intense as a magnitude 2.0 quake
*June 5, 2014*

**trig**

A loading ramp is 35 feet long and forms an angle measuring 10° with the ground. How high is the top end of the ramp off the ground? Round your answer to the nearest tenth?
*May 22, 2014*

**Math**

The right side of the orchestra section of the Nederlander Theatre in New York City has 19 rows, and the last row has 27 seats. The number of seats in each row increases by 1 as you move toward the back of the section. How many seats are in this section of the theatre?
*May 14, 2014*

**Math**

Courtney organized a charity walk. In the first year, the walk generated $3000. She hopes to increase this amount by $900 each year for the next several years. If her goal is met, in how many years will the walk have generated a total of at least $65,000 for the charity?
*May 14, 2014*

**Pre-Calc**

Word of mouth advertising can be an effective form of marketing , or it can be very harmful. Consider a new restaurant that serves 27 customers on its opening night. A) Of the 27 customers , 25 found the experience enjoyable and each told 3 friends over the next month. This ...
*May 14, 2014*

**math**

adult tickets to a play are $12 student tickets are only $8 if a theater sells 90 tiickets to a play for a total of $980, how many of each kind of ticket did the theater sell?
*May 12, 2014*

**Chemistry**

Using a table of standard reduction potentials, determine the best answer to the following questions. a) Which of the following reagents would oxidize Cr to Cr3 , but not Ag to Ag ? Choices: Ca^2+, Br2, Co^2+, Ca, Br^-, or Co. b) Which of the following reagents would oxidize I...
*May 4, 2014*

**Chemistry**

Hydrogen peroxide can act as either an oxidizing agent or a reducing agent, depending on the species present in solution. Write balanced half-reaction equations for each of the following: (a) H2O2(aq) acting as an oxidizing agent in an acidic solution. Write the balanced half-...
*April 28, 2014*

**Chemistry**

use the data from this table of thermodynamic properties to calculate the maximum amount of work that can be obtained from the combustion of 1.00 moles of ethane, CH3CH3(g), at 25 °C and standard conditions. on the chart is said ethane(C2H6) is -84.0. In the hint it said ...
*April 28, 2014*

**Chemistry**

At 25 °C, the equilibrium partial pressures for the following reaction were found to be PA = 4.10 bar, PB = 5.60 bar, PC = 1.20 bar, and PD = 9.70 bar. 2A(g)+2B(g)-->C(g)+ 3D(g) What is the standard change in Gibbs free energy of this reaction at 25 °C. I don't ...
*April 25, 2014*

**6th grade Lang Arts**

So... In sentence 1, the adjective clause is needed to let us know what stadium we're talking about. So we don't need to use a comma. In sentence 2, the adjective clause is not needed because we already mentioned my father as the subject. So, a comma can be used to set...
*April 21, 2014*

**6th grade Lang Arts**

Can you explain why the comma used in sentence 1 is not correct as compared to the comma used in sentence 2? (from homework) 1. The stadium, that my favorite team plays in, seats over 81,000 people. 2. My father, who is an excellent reader, finished a 500 page book in one day!
*April 21, 2014*

**Chemistry**

Calculate ΔG° for the following reaction at 298 K.? A+B --> 2D ΔH° = 775.0 kJ ΔS°=296.0 J/K C --> D ΔH° = 446.0 kJ ΔS°=-218.0 J/K A+B --> 2C ΔG° = ? kJ I know I am suppose to reverse the (C --> D) and add a ...
*April 20, 2014*

**Chemistry**

Thanks DrBob222!
*April 20, 2014*

**Chemistry**

If delta H°rxn and delta S°rxn are both positive values, what drives the spontaneous reaction and in what direction at standard conditions? The spontaneous reaction is a)enthalpy driven to the left. b)entropy driven to the right. c)entropy driven to the left. d)...
*April 20, 2014*

**Chemistry**

Thank you. I understand it a lot better. And as for equation, I figure that I figure that I left out the kPa. so that for the first process, there is a decrease in pressure so more movement for the molecules therefore S increases, right?
*April 20, 2014*

**Chemistry**

Predict how the entropy of the substance is affected in the following processes: a) O2 (g,200 kPa, 300k) --> O2 (g, 100, 300k) b)Br2 (l, 1 bar, 25 degree C) --> Br2 (g, 1 bar, 25 degree C) C)Fe (s, 1 bar, 250 degree C)--> Fe(s, 1 bar, 25 degree C) will entropy either ...
*April 20, 2014*

**6th grade Lang Arts**

Can you check my homework, please? Identify each pronoun as personal, reflexive, demonstrative, indefinite or interogative. 1. These are Elberta peaches, which are very popular in the United States. Ans: these = indefinite 2. Nobody really knows where the fruit came from ...
*April 16, 2014*

**Chemistry**

A solution of I2 was standardized with ascorbic acid. Using a 0.0500 g sample of the acid, 26.50 mL of I2 were required to reach the starch end point.
*April 14, 2014*

**Chemistry**

A 0.170-mole quantity of CoCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Co2 ions at equilibrium? Assume the formation constant (Kf) of Co(NH3)62 is 5.0× 1031 M–6. I don't really know how to start. At first I thought about setting ...
*April 14, 2014*

**Algebra II**

The diagram shows the plan made by a landscape artist for a homeowner's 16-meter by a 16-meter backyard . The homeowner has requested that rosebushes, fountain, and garden bench be placed so that they are no more that 14 meters apart. A). Has the landscape artist met the ...
*April 1, 2014*

**Algebra 11**

The diagram shows the plan made by a landscape artist for a homeowner's 16-meter by a 16-meter backyard . The homeowner has requested that rosebushes, fountain, and garden bench be placed so that they are no more that 14 meters apart. A). Has the landscape artist met the ...
*April 1, 2014*

**Algebra II**

One method of irrigating crops is called the center picot system. This system rotates a sprinkler pipe from the center of the field to be irrigated. Suppose a farmer places one of these units at the center of a square plot of land 2500 feet on each side. With the center of ...
*April 1, 2014*

**6th grade Lang Arts**

thanks!
*March 26, 2014*

**6th grade Lang Arts**

Can you check my answers? Name type of sentences 1. I believe my students are ready to take this test because everybody has worked hard to learn the material. Ans:complex independent - I believe my students are ready to take this test dependent - because everybody has worked ...
*March 26, 2014*

**Spanish 2**

Re-write the following sentences in correct Spanish and use direct and indirect object pronouns. 1.) We need to wash the car for you. 2.) We used to wash the car. 3.) Mom makes pizza. 4.) Mom makes pizza for me. 5.) I want to see a movie.(una película) 6.) Mom wants to ...
*March 25, 2014*

**6th grade Lang**

thank you for explaining :)
*March 18, 2014*

**6th grade Lang**

14. I can accept the rain and wind since I know that these two elements are important to water the earth and then to dry it back out again. ans: complex I can accept the rain and wind = independent clause since I know that these two elements are important to water the earth = ...
*March 18, 2014*

**6th grade Lang **

Can you recheck these? I don't understand. 10. I enjoy it because the temperature is pleasant, and everything is green and pretty. ans: cd (compound) 11. I also love to hear the birds singing in the trees and to watch them building their nests. ans: SS (simple) 13. In the ...
*March 18, 2014*

**6th grade - Lang Arts**

No, i don't understand. 10. I enjoy it because the temperature is pleasant, and everything is green and pretty. ans: cd (compound) 11. I also love to hear the birds singing in the trees and to watch them building their nests. ans: ss (simple sentence)
*March 17, 2014*

**6th grade - Lang Arts**

Can you check the following? Find the verb phrase 1. Will you buy me a drink? ans: will buy 2. Sam is not going to the dance. ans: is going 3. Al should have mowed the lawn today. ans: should have mowed 4. Theresa will be playing her clarinet at the concert tonight. ans: will ...
*March 17, 2014*

**Algebra**

Daniel has a piece of wire that is a fifth of a yard long. He cuts the wire into three equal pieces. What fraction of a yard is each piece?
*March 17, 2014*

**Algebra II**

Simplify 4-7i/2+5i
*March 15, 2014*

**Pre-Calculus**

Express the complex number in polar form. 5-12i
*March 15, 2014*

**Pre-Calculus**

Find this quotient. Express the result in rectangular form. 9(cos3π/2 + isin3π/2) ÷ 3(cosπ/4 + isinπ/4)
*March 15, 2014*

**Pre-Calculus**

Express the number in rectangular form. 3(cosπ/3+isinπ/3)
*March 15, 2014*

**Pre Calculus**

Find each product or quotient. Express the result in rectangular form. 2(cosπ/6+isinπ/6) X 4(cos2π/3 +i2π/3)
*March 15, 2014*

**Calculus**

Find four other forms of the point (4, 105°) Two of the four must include a negative r value.
*March 14, 2014*

**Pre-Calculus**

Write the polar equation in rectangular form... r=5sintheta
*March 13, 2014*

**Pre-Calculus**

Find the polar coordinates of each point with the given rectangular coordinates. Use degrees. (-4,-3)
*March 13, 2014*

**Pre Calculus**

Write the rectangular equation in polar form... x=3
*March 13, 2014*

**Pre-Calculus**

Find the rectangular coordinates of the point with the given polar coordinates. (3, 150°)
*March 13, 2014*

**6th grade math**

I have to determine which method - mean, median, or mode - would be best for answering the following question: Find the average number of athletes for the sample of 7 countries listed by deciding which measure of center is the best represntation of the number of athletes from ...
*March 12, 2014*

**6th grade math - statistics**

Can you explain why Q1 = 3.5 and Q3 is 9 out of this dataset 0, 1, 3, 4, 6, 7, 7, 7, 8, 10, 12, 12. My answers were: Assuming median would be 7 (using numbers in positions 6 and 7 where 7+7/2 = 7) Q1 dataset would be 0,1,3,4,6; Q1 = 3 Q2 dataset would be 7,8,10,12,12; Q3= 10 ...
*March 10, 2014*

**Pre-Calculus**

Find vector a<3,2,-4> X vector b<-6, 9,0>
*March 3, 2014*

**Pre-Calculus**

Phil Dawson is a professional place kicker for the Cleveland Browns. On average, he kicks the ball at a 41 degree angle and with an initial speed of 70 feet per second. For future reference, goal posts are 10 feet high in the NFL. a) Write parametric equations to model Dawson...
*March 3, 2014*

**Pre-Calculus**

Write an equation in slope-intercept form of the line with the given parametric equations. x=t+6 y=2t-4
*March 3, 2014*

**Pre-Calculus**

Write Parametric equations of -3x+1/2y=2
*March 3, 2014*

**Pre-Calculus**

A 15N force acting at 15 degrees north of east and a 18N force acting at 79 degrees north of west act concurrently on an object. What is the magnitude and direction of a third force that produces equilibrium on the object? Show sketch and work. ------ x-component:: 15*cos(15 ...
*March 3, 2014*

**Math**

Jake serves a volleyball with an initial velocity of 32 feet per second from 4.5 feet above the ground at an angle 0f 35 degrees. a) Write parametric equations to model the situation. h(t) = -16t^2 + 32t + 4.5 --------------------------------------- b) How long will the ball ...
*March 3, 2014*

**Pre-Calculus**

Phil Dawson is a professional place kicker for the Cleveland Browns. On average, he kicks the ball at a 41 degree angle with an initial speed of 70 feet per second. For future reference, goal posts are 10 feet high in the NFL. a) Write parametric equations to model Dawson'...
*February 28, 2014*

**Pre-Calculus**

Write Parametric equations of -3x+1/2y=2
*February 28, 2014*

**Pre-Calculus**

Jake serves a volleyball with an initial velocity of 32 feet per second from 4.5 feet above the ground at an angle 0f 35 degrees. a) Write parametric equations to model the situation. b) How far will the ball travel( if it hits the ground)show work
*February 28, 2014*

**Algebra**

For a given two-digit number, the second digit is 2 more than 5 times the first digit. Also, 5 times the first digit is 3 more than the second digit. Find the two-digit number,
*February 27, 2014*

**Math**

dont know
*February 17, 2014*

**arithmetic sequences**

a new car cost $13,000 and is depreciating by $900 each year. how much will the car cost be worth after 4 years?
*January 9, 2014*

**arithmetic sequences**

a tube containing 3 ounces of toothpaste is being used at at rate of 0.15 ounces per day. how much toothpaste will be in the tube after one week?
*January 9, 2014*

**arithmetic sequences**

jessie is playing an arcade game that costs 50cents for the first game and 25cents to continue if she loses. how much will she spend on the game if she continues 9 times?
*January 9, 2014*

**algebra**

a new car costs $13,000 and is depreciating by $900 each year..how much will the car be worth after 4 years?
*January 9, 2014*

**Vocbulary**

Yw
*December 15, 2013*

**Vocbulary**

Forming an unbroken whole; without interruption.
*December 15, 2013*

**Statistics**

You are so welcome
*December 15, 2013*

**Statistics**

Yes
*December 15, 2013*

**Statistics**

The null hypothesis will be that all population means are equal, the alternative hypothesis is that at least one mean is different.
*December 15, 2013*

**Math check**

Ya it would be
*December 15, 2013*

**Math check**

That is correct
*December 15, 2013*

**English**

Sorry that was my sister. She is 10. She typed what I wanted her to while i did something
*December 15, 2013*

**English**

Okay.
*December 15, 2013*

**English**

I wrote the 1st paragraph and then got stuck. Thank you for the help but I could ask my mom for help
*December 15, 2013*

**English**

I have to come up with a 2 page paper about Sandy Hook including : names of all victims, opinion, and what we could do to support Sandy Hook and the only part i am stuck on is that I don't know what to write for support! And my opinion!
*December 15, 2013*

**English**

Donate money to them???? I don't know this is WAY too hard. I have been working on this all weekend and it is due tomorrow
*December 15, 2013*

**English**

I want to say like how we could help support Sandy Hook but at the same time I want to include many of the names.
*December 15, 2013*

**English**

I need more info I am having so much trouble. I am only in 7th grade
*December 15, 2013*

**English**

What is a PERFECT essay about Sandy Hook Elementary School?
*December 15, 2013*

**6th grade math**

Ok.. for #4, i was trying to show that i subtracted 3 from both sides; #7, I was trying to show that I multiplied both sides by 3; and #8 was trying to show that I added 6 to both sides. I agree that I like how you showed it in #8. Thanks Reiny!
*December 11, 2013*

**6th grade math**

Can you check these inequalities? 1. Chancellor is saving $15 each week for at least n weeks to buy a skateboard that cost $150. Write an inequality to represent this real life situation. Ans: 15n >= 150 2. Write an inequality to represent the possible speed allowed fi the ...
*December 11, 2013*

**6th grade grammar**

whew..thanks! I need to review more.
*December 11, 2013*

**6th grade grammar**

hmm.. 1. Celina is coming to my house after dinner. action verb = coming verb phrase = is coming 2. The weather was beautiful this past weekend. - this is linking verb only (was)? 4. He has been sick all this week. verb phrase = has been 5. We were not happy about our team'...
*December 11, 2013*

**6th grade grammar**

Can you check these sentences? Identify whether each sentence includes an action verb, linking verb, or verb phrase. 1. Celina is coming to my house after dinner. Linking = is verb phrase = is coming 2. The weather was beautiful this past weekend. Linking = was verb phrase = ...
*December 11, 2013*

**Math**

9,876,543,012
*December 9, 2013*

**Physical Science**

Please HELP !!!!
*December 9, 2013*

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