Sunday

April 19, 2015

April 19, 2015

Total # Posts: 2,473

**calculus**

I needed help with these FRQ in my APCalc course. Any help or walkthrough would be extremely helpful - thanks in advance. Let f be the function given by f(x)=3ln((x^2)+2)-2x with the domain [-2,4]. (a) Find the coordinate of each relative maximum point and each relative ...
*December 1, 2014*

**Math**

A document that is 30in x 40 in is redrawn 1 1/2 scale and redrawn again at a 1/2 scale. What are the final dimensions? On this i have no clue what to do.
*December 1, 2014*

**math!!**

mike and sam begin saving money at the same time. mike plans to save $3 a month and sam plans to save $8 a month. After how many months will sam have $25 more than mike?
*November 24, 2014*

**math**

change the following mixed numbers to a fraction in the forma/b were a and b are integers 3 5/6 ?
*November 24, 2014*

**math**

so is the correct way 0.7024 0.75 0.8315
*November 24, 2014*

**math**

arrange in order smallest to largest 0.8315, 0.75 ,0.7024 is this right 0.75 0.7024 0.8315
*November 24, 2014*

**chemistry**

Calculate the vapor pressure of a solution containing 28.7g of glycerin (C3H8O3) in 136mL of water at 30.0 ∘C. The vapor pressure of pure water at this temperature is 31.8 torr. Assume that glycerin is not volatile and dissolves molecularly (i.e., it is not ionic) and ...
*November 23, 2014*

**English**

Rochester says, "God pardon me!" and "Man, meddlee not with me" after Jane agrees to marry him because... Need to finish the sentence. This question is referring to the book, Jane Eyre.
*November 23, 2014*

**Business Communication**

Thanks
*November 19, 2014*

**Business Communication**

If the purpose of your message is to ask local businesses to sponsor your event, your desired outcome would most likely be__________. a.to inform them about your event. b. to promote understanding about your event's goal. c. to propose ways in which they could help. d. for...
*November 19, 2014*

**Business Communication**

When communicating a message, the best approach for a boss to take would likely be the ____________. a. state the main idea right away to get it over with. b. hint at the main idea and let the employees read between the lines. c. tell employees bad news first and then explain ...
*November 19, 2014*

**Business Communication**

In which of the following cases is the direct organization method most appropriate? a. asking your boss for an extension on an assignment. b. recommending a controversial change in departmental procedure to your boss, c . requesting a day off during your company's busy ...
*November 19, 2014*

**math**

Find the present value, using the present value formula. (Round your answer to the nearest cent.) Achieve $225,500 at 8.45% compounded continuously for 8 years, 145 days.
*November 12, 2014*

**Language Arts 8**

This is a Language Arts 8 A. I haven't ever done this but this is a big grade and Language Arts is my worst subject. I don't know if you've read the book The Trouble with Television there is a like below. Please Help!!! 1. What is the Main Point MacNeil is making ...
*November 11, 2014*

**math**

1+1=2
*November 8, 2014*

**math**

case 1
*November 8, 2014*

**Organice Chem**

Could you use acetone as a solvent to recrystallize acetanilide? Justify
*November 6, 2014*

**physics**

Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 72.7 N, Jill pulls with 79.9 N in the northeast direction, and Jane pulls to the southeast with 103 N. (Since the donkey is involved with such uncoordinated people, who can blame it for ...
*November 3, 2014*

**geometry**

the area of a pool is 12 square units and the area of the walkway around the pool is 60 square units, what is the perimeter of the walkway?
*October 30, 2014*

**Algebra 2 & trig **

joanna invested $7500, part at a 5.5% and the remainder at a 6% annual rate of interest. if she collected a total of 435 in interest at the end of one year, how much money was invested at each rate?
*October 28, 2014*

**Physics**

There is a block resting on a table attached to a hanging mass around a pulley. Assume a value of g = 10 m/s2. If there is no friction, and the mass on the table has a value of 5.0 kg and the hanging mass has a value of 1.0 kg, what is the value of the kinetic friction ...
*October 28, 2014*

**science**

i think the answer is d
*October 22, 2014*

**physic**

A ball is thrown toward a cliff of height h with a speed of 28m/s and an angle of 60∘ above horizontal. It lands on the edge of the cliff 3.3s later. a) How high is the cliff? i got 26.7 m b) What was the maximum height of the ball? my answer here was 30 m C) What is the...
*October 21, 2014*

**Algebra **

a guy has $4.40 of nickels, dimes and quarters. he has twice as many dimes then quarters. how many nickels does he have?
*October 21, 2014*

**math**

Find three consecutive positive even integers such that four times the first decreased by the second is 12 more than twice the third.
*October 15, 2014*

**Math (Ms. Sue! Someone help)**

Hi I really need help. I don't know even how to figure these two questions out so if you could help me, please. Is (–4, 10) a solution to the equation 10 – 5x = y? Explain your answer. Describe the pattern in the table using an equation. x|y 1|15 2|25 3|35 4|45 ...
*October 15, 2014*

**English**

Yay I passed!! Thank you so much!!!!
*October 13, 2014*

**English**

Its studying were
*October 13, 2014*

**English**

Ok I think I got it its A right?
*October 13, 2014*

**English**

Please I am on the last question If I get it right I pass!
*October 13, 2014*

**English**

I am do not know which is obviously correct. Can you please tell me. I just missed the question and I had to redo the test already so many times. And I am on the question right now. I already missed one wrong. I'm guessing its A?
*October 13, 2014*

**English**

If you copy the question and paste it into google and click the first link its open study someone posted the picture of the diagram and the same question.
*October 13, 2014*

**English**

Sara |\ _______ |\ | \ José | \ _______ |and> ____|_were\_____|studying___\ | / \ \for Kenny | / \_together \___test__ _______ |/ \ \the Sara |\ _______ |\ | \ José | \ _______ |and> ____|_were\_____|studying___\ | / \ \the Kenny | / \_together \___test__ ...
*October 13, 2014*

**English**

Ok is there a way for me to post a picture of the diagrams?
*October 13, 2014*

**English**

It is just a picture of the diagram not a website.
*October 13, 2014*

**English **

I have a question its which diagram correctly represents this sentence? Sara, José, and Kenny were studying together for the test. How can I post a link to show you the diagrams?
*October 13, 2014*

**physics**

Four forces are acting on an object. Force 1 has a magnitude of 5N at an angle of 70° above the +x-axis; force 2 has a magnitude of 8N at an angle of 35° above the +x-axis; force 3 has a magnitude of 4N at an angle of 20° above the -x-axis; force 4 has a magnitude ...
*October 11, 2014*

**physics**

An object has three component velocities: 5mi/hr toward the east, 12mi/hr toward the south, and 8mi/hr toward the northwest. Find the resultant velocity of the object. For resultant velocity, I got 6mi/hr I don't understand how to find the direction angle and direction (ex...
*October 11, 2014*

**physics**

An airplane whose speed is 150km/hr climbs from a runway at an angle of 20° above the horizontal. What is its altitude two minutes after takeoff? How many kilometers does it travel in a horizontal direction during this two minute period? Find the altitude and horizontal ...
*October 11, 2014*

**physics**

The coefficient of static friction between the floor of a truck and a box resting on it is 0.370. The truck is travelling at 80.1 km/h. What is the least distance in which the driver can stop the truck and ensure that the box does not slide?
*October 8, 2014*

**Km/h**

A cyclist travels 3 km in 10 mins . Find his speed in km/h
*October 6, 2014*

**English**

Use the correct pronoun. I wanted Sue to ask Bob and ______ to the meeting. he, his, or him?
*October 6, 2014*

**Physics **

A velodrome is built for use in the Olympics (see the figure below). The radius of curvature of the surface is 15.9 m. At what angel should the surface be banked for cyclists moving at 15.0 m/s? Choose an angle so that no frictional force is needed to keep the cyclists in ...
*September 30, 2014*

**Pre-Cal**

The total cost (in thousands of dollars) of a machine manufacturing unit is given by the function T(x) = 300 + 5x, where x is the number of machines produced. What is the average cost (in thousands of dollars) of manufacturing 200 machines? (Average cost is the ratio of total ...
*September 30, 2014*

**Earth Science**

Explain how you could measure the density of a mineral with an exact amount of water and a scale .
*September 29, 2014*

**Economics**

There are two brothers, Joe and Marc who both like candy. When Joe shops he always spends $10 on candy When Marc shops he always buys 10 pieces of candy. What is Joe's elasticity of demand for candy? Why? What is Marc's elasticity of demand for candy? Why?
*September 28, 2014*

**physics**

The barrel of a rifle has a length of 0.97m. A bullet leaves the muzzle of a rifle with a speed of 601m/s. What is the acceleration of the bullet while in the barrel?
*September 27, 2014*

**algebra**

to pass a course with an A grade, a student ,must have an average of 90 or higher. A students grades on three tests are 93,92 and 83. What is the score the student must get on the nest test to get an A average?
*September 23, 2014*

**Biology**

Why is it necessary to match the donors blood and the recipients blood before a transfusion is given
*September 21, 2014*

**Biology**

A patient has type AB blood. If they received a transfusion of type B blood, predict and explain what would happen
*September 18, 2014*

**Currculum**

The gravitational theory could be the best. As you could just drop items and explain how this is gravity and how it works.
*September 17, 2014*

**Physics **

vector A has a magnitude of 45.0 cm and makes an angle of 125 degrees with positive a –axis. What are the x- and y- components of this vector?
*September 17, 2014*

**Physics**

A motor scooter rounds a curve on the highway at a constant speed of 25.0 m/s. The original direction of the scooter was due east; after rounding the curve the scooter is heading 28 degrees north of east. The radius of curvature of the road at the location of the curve is 160 ...
*September 15, 2014*

**Physics**

16. A Nile cruise ship takes 21. 0 h to go upstream from Luxor to Aswan, a distance of 208 km, and 19.8 h to make the return trip downstream. Assuming the ship’s speed relative to the water is the same in both cases, calculate the average speed of the current in the Nile...
*September 15, 2014*

**Math**

Clue 1: When you divide me by 5, the remainder is 4. Clue 2: I have two digits. Both digits are odd. Clue 3: The sum of my digits is 10.
*September 10, 2014*

**math**

544.6 divide by 1.75
*September 10, 2014*

**World history**

what were benefits and negatives of transitioning from a nomadic society to an agricultural ?
*September 10, 2014*

**Physics**

This is based off of the paper "Scaling -- The Physics of Lilliput", but I think the following questions can be answered out of context: 1. Based on the Lilliputian reading: A) A rectangular water tank is supported above the ground by 4 pillars 5.0 cm long whose ...
*September 9, 2014*

**History**

How do they know what the Native American peoples experienced?
*September 5, 2014*

**Sorry for all these questions..**

How do historians and archaeologists know what the explorers experienced?
*September 5, 2014*

**American History**

Why was it difficult for European explorers of the 15th and 16th centuries to understand the diversity of the native peoples who lived in the Americas?
*September 5, 2014*

**Chemistry**

What will be the freezing point of a solution made by dissolving 5.25 g of naphthalene (C10H8) in 100.0 g benzene (C6H6?). The normal freezing point of benzene is 5.5°C and K f (benzene) is 5.12°C / m.
*September 4, 2014*

**algebra**

Step 1. Get common denominator (10 in this case) 2/5 is the same as 4/10. orange is now 4/10 and purple is 3/10 and white is x/10. 2. Find x (xis white) 3. 10/10 - (3/10 + 4/10) 4. 10/10 - 7/10 = 3/10 3/10 is the answer
*September 3, 2014*

**math**

7.5 x 10^2 With scientific notation you have to have a number (less than 10 and higher than zero) multiplied by 10^...
*September 3, 2014*

**math**

number of yellow/total...... So.... 75/1000. For Red you do: number of red/total so.... 230/1000 Don"t forget to simplify
*September 2, 2014*

**Physics**

A car accelerates from rest at 2.3m/s^2 for 18 seconds, then decelerates to 15 m/s over 301 meters. A) How fast is the car moving at 18seconds? (Is it 2.3 m/s^2) B) How far does the car travel over the entire trip? (The m/s and m/s^2 is tripping me up) C) How long does it ...
*September 2, 2014*

**Physics**

How do I solve this? Traveling at 60. mi/hr you see a dog in the road. Your reaction time to hit the brakes is 0.75 seconds and you can decelerate at 7.9 m/s^2. (1 mile = 1609 meters) A) How far do you travel from the moment you see the dog until the moment you hit the brakes...
*September 2, 2014*

**english**

(1) Jack had been without a car since Monday. (2) The car needed a new battery, and Jack was broke. (3) Although he was embarrassed, Jack called his mother. (4) He felt he had no choice. (5) Fortunately, his mom was happy to help out. (6) She said she had the money and could ...
*August 19, 2014*

**english**

Thanks Ms. Sue
*August 19, 2014*

**12th grade English 4**

#1. "Something new." "Never been guessed before." "A very fresh note." The critics agreed there was something different going on here. Many books about war, some quite realistic, had already been written. First-person narration was not unusual. ...
*August 1, 2014*

**physics**

A girl pushes up an incline fives times longer than a man who lifts the same block the same height. How much more force does the man exert on the block?
*July 27, 2014*

**Math**

1) There were a total of 840 guests at a wedding dinner. 60% of them were adults, and the rest were children. Some boys left before the dessert was served. As a result, the percentage of adults increased to 70%. How many boys left before the dessert was served?
*July 24, 2014*

**Math**

1. Of the bundles delivered daily to the store, 1/3 consists of the morning edition of The Daily Sun. Another 2 bundles are made up of the afternoon edition of the same paper. Of the remaining bundles, 1/2 is regional, one is a local newspaper and one is from another state. ...
*July 22, 2014*

**Chemistry**

thank you
*June 8, 2014*

**Chemistry**

27. Excess exposure to nuclear radiation can cause harm. All of the following statements about radiation are true EXCEPT A. Radiation can damage living tissue because of the high energy associated with the radiation. B. Radiation can damage biological molecules by knocking an ...
*June 8, 2014*

**Chemistry**

The answer is A
*June 8, 2014*

**Chemistry**

23. In a chemical reaction, dynamic equilibrium occurs when the rate of the forward reaction becomes precisely equal to the rate of the reverse reaction. All of the following statements are true EXCEPT A. A dynamic equilibrium occurs when the reaction is more than 50 percent ...
*June 8, 2014*

**Math**

Since the slopes are the same in the below problem what does that mean? x= 4y - 1 x + 1 + 4y y= 1/4x + 1/4
*June 6, 2014*

**Psychology**

or bipolar disorder?
*June 5, 2014*

**Psychology**

Ok what about alcoholism?
*June 5, 2014*

**Psychology**

Would you consider OCD to be an abnormal behavior?
*June 5, 2014*

**Psychology**

What is an example of a specific abnormal behavior that an otherwise well adjusted person might display? I said hoarding but I need one more example
*June 5, 2014*

**Algebra**

Thank you! That makes so much more sense now!
*June 5, 2014*

**Algebra**

Divide. Show all work. Make sure to simplify. Assume no denominator equals zero x^2-144/x^2+7x-60 divided by 3x-36/9x-45 I'm really confused on this and if anyone can help, I'd appreciate it. Thanks!
*June 5, 2014*

**History **

Which of the following statements best describes who makes decisions in government oligarchy? A.many elected officials. B. a single political party. C.many political parties. D. a single leader. I say c. but then again I keep second guessing myself.
*June 4, 2014*

**civics**

Mexicans move to avoid heat ?
*June 4, 2014*

**Math**

Sorry, x = 4y – 1
*June 3, 2014*

**Math **

How can just adding one or subtracting one make the difference? I did the first one but can't come up with the second one. The first equation is: x = 4y + 1 Subtract 1 from both sides x - 1 = 4y Now divide both sides by 4 (x/4) - (1/4) = y My slope is (¼) and my y-...
*June 3, 2014*

**Math**

Thank you!!
*June 2, 2014*

**Math**

A system of inequalities may have no solution, but is there a case where there might only be one solution?
*June 2, 2014*

**Math**

If the number of rabbits triple every year, how many rabbits will there be after 6 years if you start off with 2? This is what I have so far: (2x3)^6 I got 46,656 for my answer but it doesn't seem like a realistic answer for the question
*June 2, 2014*

**english 11**

what is the poem young by anne Sexton about?
*May 30, 2014*

**Math **

Is there a case when you might prefer algebraically over graphically solving a system? Why or why not? Think about the type of possible solutions and how the method might affect your choice. My answer: A case when I would prefer a algebraically would be trying to figure out ...
*May 28, 2014*

**Math**

Thank you!!!
*May 22, 2014*

**Math **

Can an equation also be a function??
*May 22, 2014*

**math**

Amanda puts 2 rectangles together to form a new rectangle. both rectangles have a height of 3 inches. the base of one rectangle is 2 inches. the base of the other is 4 inches. if Amanda puts 10 of each rectangle together , end to end, what will be the distance around the new ...
*May 22, 2014*

**Life sciences, Business studies,Maths lit and CAT**

With Life sciences, Business studies,Maths lit and CAT, what can I study after matric? Which career field should I follow?
*May 21, 2014*

**Math **

In math, if you are tracking your actual weight on a month to month basis, what kind of slope would you expect (negative or positive), remembering that goal of a diet is to lose weight.
*May 20, 2014*

**algebra**

Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a.) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x = 11 b.) y = ...
*May 20, 2014*