Saturday

February 13, 2016
Total # Posts: 391

**geometry**

hat is the area of a regular octagon with a side length of 5 meters and a distance from the center to a vertex of 6.5 meters?
*December 9, 2015*

**Please help**

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...
*December 1, 2015*

**Math**

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...
*December 1, 2015*

**Math**

Below are the dimensions of an assortment of rectangles. Which rectangle has dimensions that are similar to a rectangle that has a dimension 2 times 5? Assume that all the units are identical. 5 times 8 6 times 9 4 times 10 1 times 10 8 times 20 10 times 4
*December 1, 2015*

**Math**

Lisa rowed her boat for two miles downstream. The trip took her 20 minutes. She then turned around and rowed back the two miles. It took her one hour to row back upstream. a. At what rate of speed did Lisa row downstream? b. At what rate of speed did Lisa row upstream? c. ...
*December 1, 2015*

**Math**

Jacob stands 4.5 feet tall and casts a 2.7 foot shadow. A. Using this relationship, determine how tall Jacob's house is if the house's shadow measures 19.2 feet. Assume the triangles are similar. B. Explain the concept of indirect measurement and how it is used in this...
*December 1, 2015*

**Math**

ok thanks
*November 30, 2015*

**Math**

I think it's 12.5 inches
*November 30, 2015*

**Math**

Ernesto drew a map of his school. He used a scale of 1 inch: 50 feet. What distance in inches on Ernesto's map should represent the 625 feet between the cafeteria and the science lab?
*November 30, 2015*

**Math**

Ok thanks both of you:)
*November 30, 2015*

**Math**

so is it 1 inch= 2 feet?
*November 30, 2015*

**Math**

If you are making a model of your bedroom, which would be an appropriate scale: 1 inch = 2 feet, or 1 inch = 12 feet? Explain. Please help me
*November 30, 2015*

**Math**

Explain how you could use a map to estimate the actual distance between Miami, Florida, and Atlanta, Georgia.
*November 30, 2015*

**math**

If you are making a model of your bedroom, which would be an appropriate scale: 1 inch = 2 feet, or 1 inch = 12 feet? Explain.
*November 30, 2015*

**Math**

If the number in the numerator of a unit rate is 1, what does this indicate about the equivalent unit rates? give an example
*November 23, 2015*

**Math**

c. how many servings can be made from 108 cups of punch
*November 23, 2015*

**Math**

Wendell is making punch for a party. the recipe he is using says to mix 4 cups pineapple juice, 8 cups orange juice, and 12 cups lemon-lime soda in order to make 18 servings of punch. a. How many cups of punch does the recipe make? b. if Wendell makes 108 cups of punch, how ...
*November 23, 2015*

**Math**

never mind. So the inequality simplifies to x>86. part b is that the lowest score karl can receive is an 86, right?
*November 12, 2015*

**Math**

ok. so it results in 442+x/6>88. how would you solve that?
*November 12, 2015*

**Math**

Karl's scores on the first five science tests are shown in the table. Test 1 Test 2 Test 3 Test 4 Test 5 85 84 90 95 88 Part A. Write am inequality that represents how to find the score he must receive on the sixth test to have an average score of more than 88. Part B. ...
*November 12, 2015*

**Math**

Thanks so much:)
*November 11, 2015*

**Math**

You score 15,16,17,14, and 19 points out of 20 possible points on five tests. what must you score on the sixth test to have of at least 16 points?
*November 11, 2015*

**math**

the question doesn't have the anything in the equal slot. it's just 4x-12=
*November 9, 2015*

**math**

What is 4x-12?
*November 9, 2015*

**Math**

Which of the following situations corresponds to the equation below? 1/3x + 8 = 18 2/3 Keneda is packing some suitcases to take on a cruise. The cruise line allows each guest to bring up to three pieces of luggage with a limit on total weight. So far, she has packed pounds ...
*November 9, 2015*

**math**

thank you so much!
*November 9, 2015*

**math**

I don't think any of the choices do that. is the answer A?
*November 9, 2015*

**math**

Silas took 15 bags of glass to the recycling center on Monday. He took 6 bags of plastic to the recycling center on Tuesday. Which equation could be used to find x, the total number of bags of glass and plastic Silas took to the recycling center? A. x - 15 = 6 B. x + 15 = 6 C...
*November 9, 2015*

**Algebra**

Why C is incorrect?
*September 2, 2015*

**Calculus**

The following rational function describes concentration in blood of a certain medicine taken once depending on time, find: A) the horizontal or oblique asymptote B) the vertical asymptote, if any C) describe their meanings f(x)=x/x^2-100
*August 14, 2015*

**Math**

don't think your equation is right. Can't get the answer
*May 26, 2015*

**Math**

Mr. Lee invested some money. Lost 4% in a stock and gained 3.2% in a bond. Overall he lost 11.2$. If he invested the amount in the stock to the bond vice versa, then he wouldve gained $3.2, how much is in the bond and how much is in the stock? I am so confused, and out of ...
*May 26, 2015*

**English**

"The wind seems to represent the illness that caused Annabelle's death.The reality of Virgina's death is reflected by Annabel Lee's death in line 26 as her and Poe have been sweethearts for a long time, before suddenly succumbing to illness. (Does that work? ...
*May 25, 2015*

**English**

Ok, thank you! Did you see my response to your comment on my previous question post?
*May 25, 2015*

**English**

Another question regarding the poem Annabel Lee. Can you check my response for me and help me elaborate on the rhythm explanation please; 1. What is the overall tone of the poem? How does the rhythm of the poem affect the tone? my ans: The tone of the poem is passionate and ...
*May 25, 2015*

**English**

The wind seems to represent the illness that caused Annabelle's death.The reality of Virgina's death is reflected by Annabel Lee's death in line 26 as her and Poe have been sweethearts for a long time, before suddenly succumbing to illness. (Does that work? What is...
*May 25, 2015*

**English**

I am stuck on these two questions(can you check #1 one over for me?)! For the poem Annabel Lee; 1. What romanticized explanation does the speaker give for the death of his love, Annabel Lee? He tells us that angels from heaven were jealous of their love relationship, and took ...
*May 25, 2015*

**English**

Ok, thank you for the guidance. It's just that I am writing from the perspective of someone who has very limited experience with working in an exec position for an organization. If I really wanted this position how could I sell myself? Any examples?
*May 7, 2015*

**English**

I am "applying"(practicing writing resumes in english) for a leadership position at a local non profit and I am writing my cover letter, expressing why I want to serve as a president or marketing director. Though this is my first time taking on an exec position role ...
*May 7, 2015*

**Business**

Great, thank you!
*April 8, 2015*

**Business**

Wouldn't a "administrative assistant I" be considered a non-exempt employee? Non-exempt employees are covered by overtime provisions of the FSLA act and must be paid overtime for all hours worked over 40.
*April 8, 2015*

**Business**

Most employees are entitled to overtime pay under the Fair Labor Standards Act. They are called non-exempt employees.
*April 7, 2015*

**Business**

Wouldnt a "Administrative Assistant I" be considered as a non-exempt job??
*April 7, 2015*

**French Grammar **

Can someone please check these 4 sentences? a. La bibliothèque à New York est plus grande que la bibliothèque à Paris. b. Les résidences des New York sont plus moderns que les résidences de Paris. c. Le campus de New York est moins int...
*March 28, 2015*

**math**

building A is 180 feet shorter than building B. The total height of the two building is1480 feet. find the length of each building
*March 20, 2015*

**Chemistry**

Sorry I meant NH4OH, not NH3OH
*February 22, 2015*

**Chemistry**

I posted this question earlier but the person that answered did not include how to find the moles of the problem When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid ...
*February 22, 2015*

**Chemistry**

Oh yes sorry I did mean NH4OH, how do I find the moles?
*February 22, 2015*

**Chemistry**

When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is: I dont know how to find the moles and mass
*February 22, 2015*

**Chemistry**

When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is: I dont get how to find the moles and mass
*February 22, 2015*

**chemistry**

What will be the final temperature of 650 g of water initially at 5.5°C if it is heated by burning 7.5 g of carbon to carbon dioxide. The molar heat of reaction is -393.5 kJ/mol. I do not understand how to do this question
*February 16, 2015*

**chemistry**

How many moles of H2S would we expect to be formed by reaction if 3.50 moles of HNO3 reacted completely?
*February 9, 2015*

**Math**

1. The ratio of the number of dimes to the number of pennies in a purse is 3 to 4. If 3 pennies are taken out of the purse, the number of dimes and the number of pennies in the purse will be equal. How many dimes are in the purse? (Answer key says 9- and if I multiply the ...
*February 9, 2015*

**chemistry**

What physical property of water and HCl allows us to separate them from the zinc chlorine compound produced in the reaction?
*February 5, 2015*

**chemistry**

what is shorthanded configuration of Mg and Cl
*February 5, 2015*

**Math**

Hello! Can you check my answers for these questions? Thank you in advance (= 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7), (14, 11), (14, 15), (8, 10), (9, ...
*January 27, 2015*

**Math \ Algebra**

Hello! Can you check my answers for these questions? Thank you in advance (= 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7), (14, 11), (14, 15), (8, 10), (9, ...
*January 27, 2015*

**Math( Attn: Reiny)**

ok cool! Thanks! But I have a question, why do we have to find the 'h'(-b/2a)? What does the vertex represent in these cases?
*January 25, 2015*

**Math( Attn: Reiny)**

1. A rental business charges $12 per canoe and averages 36 rentals a day. For every 50-cent increase in rental price, it will lose two rentals a day. What price would yield the maximun revenue? I was told the answer by Reiny, but I couldn't get the right answer. I found ...
*January 25, 2015*

**Math**

and for #3, what does the 2y and 3x represent? I got the answer right thank you, but for future reference I don't know how I can find the equation..
*January 25, 2015*

**Math**

also, why is the new # rented 50-2x? Wouldn't it be 36-2x or something like that?
*January 25, 2015*

**Math**

For #2, I found the vertex- (1/2, 600.25) but my answer key says $10.50. How?
*January 25, 2015*

**Math**

1. If the point (-3,30) is on the graph y=(x-1)^2+14, where will the point be on y=(x-8)^2-6? I don't understand what this is asking and how I can find this. 2. A rental business charges $12 per canoe and averages 36 rentals a day. For every 50-cent increase in rental ...
*January 25, 2015*

**Math**

oh I see, thank you Steve! I did everything except I didn't realize the 1.1 part! I did 0.1 instead haha
*January 24, 2015*

**Physics**

A rabbit runs in a straight line with a velocity of +1.3 m/s for a period of time, rests for 11 s, and then runs again along the same line at +0.65 m/s for an unknown amount of time. The rabbit travels a total distance of 1080 m, and its average speed is 0.79 m/s.What is the ...
*January 22, 2015*

**Math**

The sum of multiples of 6 between 6 & 999? I got 83166, but my answer key says 82665.. Is my answer wrong? I used the term formula to find 166 terms multiples of 6, and then the sum formula to get 83166.
*January 20, 2015*

**English**

I have an essay and my topic is "our views of the past change as we mature". So I am stuck on what pieces of evidence I should write about. I am thinking of writing a narrative, and I want my "mature view" to be that the world doesn't evolve around me ...
*January 19, 2015*

**Math**

Which decimal value is equivalent to 7/11? _ __ _ A. 0.63 B. 0.63 C. 0.675 D. 0.7 "B" is what I chose.
*December 11, 2014*

**Chemistry**

Adding helium to a balloon increased its volume from 360.9 mL to 3.532 L. If the final number of moles of helium in the balloon is 22.3 mol, what was the initial number of moles of helium in the balloon? Assume the balloon contained only helium initially.
*December 10, 2014*

**Chem**

A flexible container at an initial volume of 5.12 L contains 7.51 mol of gas. More gas is then added to the container until it reaches a final volume of 18.3 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the ...
*December 10, 2014*

**Chem**

If 66.5 mol of an ideal gas is at 5.97 atm and 335 K, what is the volume of the gas?
*December 10, 2014*

**physics**

A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.5m waterfall. The spy’s speed is 16 m/s and the officials’ speed is ...
*November 22, 2014*

**physics 1**

A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.5m waterfall. The spy's speed is 16m/s and the official's speed is 24m/s...
*November 20, 2014*

**Language arts**

The first option
*November 19, 2014*

**Language arts**

Write about a time when you had a change of heart!!! The way you could help is by giving me some examples.
*November 19, 2014*

**Math**

Okay then what do I do next
*November 19, 2014*

**Physics**

Bill kicks a rock off the top of his apartment building. It strikes a window across the street 15m away. The acceleration of gravity is 9.8 m/s^2. If the window is 13m below the position where Bill contacted the rock, how long was it in the air?
*November 18, 2014*

**chemistry**

3Cl2 +6KOH->KClO3 +5KCl =3H2O write a conversion factor that could be used to convert between moles od potassium hydroxide and moles of potassium chlorate
*November 5, 2014*

**PHYSICS**

What magnitude is not possible when a vector of magnitude 3 is added to a vector of magnitude 4?
*November 4, 2014*

**Physics**

what are vector quantities?
*November 4, 2014*

**PHYSICS**

A person walks 10.4 degrees north of east for 4.19 km. Another person walks due north, then due east to arrive at the same location. How far would this person walk due east? Answer in units of km
*November 3, 2014*

**PHYSICS**

A person walks 10.4 degrees north of east for 4.19km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? Answer in units of km.
*November 3, 2014*

**Physics**

A person walks 10.4 degrees north of east for 4.19 km. Another person walks due north, then due east to arrive at the same location. How far would this person walk due east? Answer in units of km
*November 3, 2014*

**Physics**

A person walks 10.4 degrees north of east for 4.19km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? Answer in units of km.
*November 3, 2014*

**physics**

which of acceleration age speed temperature and velocity are vector quantities
*November 3, 2014*

**physics**

A vector representing 170 N is oriented at 30 degrees with the horizontal. What is the magnitude of the vertical component? Answer in units of N,
*November 3, 2014*

**Physics**

A vector representing 170 N is oriented at 30 degrees with the horizontal. What is the magnitude of its horizontal component? Answer in units of N.
*November 2, 2014*

**AP Physics 1**

A cat climbs 8m directly up a tree. What is the horizontal component of the cat's displacement? Answer in units of m.
*November 2, 2014*

**statistics**

The tread life a certain brand of tires is known to be normally distributed with a mean of 60,000 miles and a standard deviation of 5,000 miles. The company wishes to set the warranty so that only 4% of the tires will need to be replaced. What should the warranty mileage be?
*October 29, 2014*

**PLEASE HELP PHYSICS!**

Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A) if the coefficient of ...
*October 22, 2014*

**Language arts**

that didnt help not one bit
*October 17, 2014*

**Art**

The answer is c
*September 29, 2014*

**science**

How to manipulate the formulas of momentum, fore, acceleration
*September 17, 2014*

**Algebra 1**

Thank you do much God bless you😃😃
*September 13, 2014*

**Algebra 1**

I don't understand can you please explain😊
*September 13, 2014*

**Algebra 1**

evaluate -3 - (-4)= ?? Please help
*September 13, 2014*

**Physics**

A baseball goes from zero to 37 m/s in 0.177 m/s. What is its average acceleration? Answer in units of m/s^2.
*September 12, 2014*

**Chemistry**

Suppose you have two 100-{\rm mL} graduated cylinders. In each cylinder there is 58.5mL of water. You also have two cubes: One is lead, and the other is aluminum. Each cube measures 2.0cm on each side. After you carefully lower each cube into the water of its own cylinder, ...
*September 7, 2014*

**AP Physics**

A jogger runs in a straight line with an average velocity of 7.7 m/s for 4.5 minutes, and then with an average velocity of 2.8 m/s for 2.8 minutes. What is her total displacement? Answer in units of m.
*September 4, 2014*

**algebra**

3x=4-7+3x What is the solution?
*September 4, 2014*