Friday

May 22, 2015

May 22, 2015

Total # Posts: 81,652

**grammer **

ALTHOUGH Sally walked to school every day, She still walks 30 minutes IN the gym.
*May 16, 2015*

**Trig**

Thank you very much!
*May 16, 2015*

**Trig**

Solve the equation for the given domain. 4cos^2 θ = 1 for 0 to 360 degrees. I get 60, 120, 240, and 300. Are these correct? If so, how would I represent them with some sort of expression?
*May 16, 2015*

**calculus**

find an equation of the tangent line to the curve at the given point. graph the curve and the tangent line x-3^1/2 at (1,2) it is suppose to be square root of x-3
*May 16, 2015*

**calculus**

thanks. what rule did you use to find it?
*May 16, 2015*

**calculus**

find an equation of the tangent line to the curve at the given point. graph the curve and the tangent line y=x/x-1 at (2,2) )
*May 16, 2015*

**psy 202**

After school, Raven enjoys going to the park to hang out with her friends and watch them do tricks on their skateboards. Every day, her friends encourage her to get a skateboard so that she can learn how to skate and do what they do. Eventually, Raven gives in and buys a ...
*May 16, 2015*

**Math**

So I guess no one could help me. We already turned our books in so I can't even look at that an this is due tomorrow. Well thank you anyway.
*May 16, 2015*

**math**

A sphere has a volume of 36π cubic meters. The rate of change in volume is 9π cubic meters per minute. Find the rate of change in area of the sphere
*May 15, 2015*

**math**

The apothem of a regular polygon is the distance from the center to any side. If the length of the apothem remains constant at 10 inches, the formula for the perimeter of a regular polygon as a function of the number of sides is ( ) ( )( ). As the regular polygon changes from ...
*May 15, 2015*

**Math**

wouldn't the power be -4? 2 - 6
*May 15, 2015*

**Math**

Whenever w is an integer greater than 1, log(w) w^2 / w^6 =? F. -4 G. -3 H. -1 / 3 J. 1 / 3 K. 3
*May 15, 2015*

**Math- probability**

In a city, every day is either cloudy or sunny (not both). If it's sunny on any given day, then the probability that the next day will be sunny is 3/4. If it's cloudy on any given day, then the probability that the next day will be cloudy is 2/3. a) In the long run, ...
*May 15, 2015*

**Science**

When the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate hear, the sound wave is A. reflected B. refracted C. absorbed D. transmitted I think it's C. check please
*May 15, 2015*

**Math**

Thank you Ms. Sue :).
*May 15, 2015*

**Math**

The mean of 4 numbers is 32. The smallest of the 4 numbers is 5. What is the mean of the other 3 numbers? F. 30 3 / 4 G. 32 H. 36 J. 41 K. 42 2 / 3
*May 15, 2015*

**History**

Thank You Ms. Sue!
*May 15, 2015*

**History**

Any kind i can get. I just need an idea of how it changed from ww1 thru prohibition and i can carry it on from there
*May 15, 2015*

**History**

No i just need help. I dont want it all done
*May 15, 2015*

**History**

Cans someone help me. In 4 or 5 sentences, Explain how life changed from 1915-1920s with War World 1 in the beginning thru Prohibition and Jazz toward the end of the 1920s. I forgot my books on the bus. And i can't research it :/ can someone help me please. Im un able to ...
*May 15, 2015*

**Probalility**

1) 4 2) 4 3) 6 4) 4
*May 15, 2015*

**math**

Please help iv been stuck on these for two days! 1. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38 ANSWERS: A) n+7;707 B) 7n:700 C) 7n-4;696 ** D) 6n-4;596 2. Write a rule for the function represented by the ...
*May 15, 2015*

**Math.**

4^4/4^6 (btw these are called polynomials A. -16 B. 16 C. 1/16 D. -1/16 I understand how to work with polynomials, but I've never seen a question like this. I feel like it's A. Can someone please explain how I would do this
*May 15, 2015*

**math**

a-5 digit number has 7 in its tens place.The digit in ones place is 5 less than its digit at tens place.The hundreds place digit is 4 times the digit at ones place.The digit at thousands place is the same as hundreds place.Guess the digit at ten thousands place if the sum of ...
*May 15, 2015*

**science**

Thank you!!
*May 14, 2015*

**science **

If you could double check my answer that would be awesome :) which of the following is not part of the theory of evolution? Organisms tend to produce more offspring than can survive to reproductive age ** Organisms can acquire changes during their lifetime that can help their ...
*May 14, 2015*

**Math**

But the graph of the original equation shows the vertices to be (-6, 5) and (-6, -5).
*May 14, 2015*

**Math**

What are the vertices and co-vertices of y^2/25 - (x + 6)^2/144 = 1
*May 14, 2015*

**Chemistry**

I would just like to know how to calculate the delta S. And no, there are no answer choices with the question. However, thank you for taking the time to help me.
*May 14, 2015*

**Chemistry**

Can anyone help me with these three questions? Predict the sign of delta S° and then calculate delta S° for each of the following reactions a. 2H2S(g) + SO2(g) --> 3S(rhombic)(s) + 2H2O(g) b. 2SO3(g) --> 2SO2(g) +O2(g) c. Fe2O3(s) + 3H2(g) --> 2Fe(s) + 3H2O(g...
*May 14, 2015*

**prealgebra**

what is 5/45?
*May 14, 2015*

**Math**

I count 16 marbles.. Pr(brown, purple w replacement)=8/16*1/16) pr = 1/32
*May 14, 2015*

**math**

wouldn't it be the area of four triangles of these dimensions? areaTriangle=sqrt(s(s-2.5)^3) where is is 1/2 the sum of the sides.
*May 14, 2015*

**Math**

thx!
*May 14, 2015*

**Math**

Which survey question is biased? A. “Should the president of the United States serve a six-year term?” B. “Which meal—breakfast, lunch, or dinner—is your favorite meal of the day?” C. “During which month do you prefer to go on vacation?”...
*May 14, 2015*

**Math**

Thanks :)
*May 14, 2015*

**Math**

Which of the following types of information is suited for display on a double-line graph? A. annual changes in Melody’s height and weight from 5 to 10 years old B. number of Democrats and Republicans in the Senate during the past decade C. monthly sales of two different ...
*May 14, 2015*

**American History**

I think 4 all of the above, but slavery ended in the 1860s so I don't know. May wanna get a second opinion
*May 14, 2015*

**Math**

Somehow, somewhere, there is a question associated with this.
*May 14, 2015*

**English**

I think its an example of a sprung rhythm because lyric poems are supposed to rhyme. I could be wrong tho so you may want a second opinion.
*May 14, 2015*

**maths**

21044654309
*May 14, 2015*

**Math**

For a math homework assignment, Karla found the area and perimeter of a room of her house. She reported that the area of her rectangular living room is 180 square feet and that the perimeter is 54 feet. When drawing a sketch of her living room the next day, she realized that ...
*May 14, 2015*

**math**

PLEASE HELP I WOULD REALLY APPRECIATE IT! 1. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 3,10,17,24,31,38 ANSWERS: A) n+7;707 B) 7n:700 C) 7n-4;696 ** D) 6n-4;596 2. Write a rule for the function represented by the table. ...
*May 14, 2015*

**Math**

For (x-4)^2/36 + (y-1)^2/25 = 1, are the vertices (-2, 1) and (10, 1)?
*May 14, 2015*

**MATH PLEASE HELP THIS IS A TEST!!!!!!!!!!!!!!!!**

idk
*May 14, 2015*

**health**

1 in 40 adults have OCD
*May 14, 2015*

**math**

A popular extreme activity is bungee jumping. A person whose ankles are attached to a bungee cord, jumps off a ledge and bounces upside-down in mid-air. Suppose a person jumps off the ledge and falls 122 ft before rebounding. Consider the point at which the person rebounds to ...
*May 14, 2015*

**science(physics)**

The stream of a river is flowing with velocity 1 km/h.What should be the direction of a swimmer to cross the river straight if he can swim at the rate of 2 km/h in still water.
*May 13, 2015*

**physics**

avg speed=distancetotal/time avgspeed=(.5t*80 + .5t*40)/t =40+20=60km/hr that is average speed. It doesn't matter what distance it traveled.
*May 13, 2015*

**physics**

a car for half of its time at 80km/h and for rest half of time at 40 km/h. total distance covered is 60 km/h. what is the average speed of car find
*May 13, 2015*

**Math**

For the solutions of 4tantheta = 5tantheta + sqroot3, can both these answers be acceptable? 120 + 180n -60 + 180n
*May 13, 2015*

**Science: Space**

Please help! I'm really having trouble with this!
*May 13, 2015*

**Science: Space**

I'm having trouble finding the answers to these fill-in-the-blank questions: Our understanding of the solar system has changed from an Earth-centered model of ____ and ____ to the sun centered model of _____ and _____. I was thinking for the first 2 blanks: rocks; oxygen ...
*May 13, 2015*

**Math**

For the solutions of 4tantheta = 5tantheta + sqroot3, can both these answers be acceptable? 120 + 180n -60 + 180n
*May 13, 2015*

**accounting**

multiplying the standard price of direct materials by the standard quantity for direct materials yields:
*May 13, 2015*

**Math**

Find all the solutions of 5sintheta - 4 = 2sintheta - 4 in 0 to 2pi. 0, pi, and 2pi?
*May 13, 2015*

**Math**

Show that the equation x = 1/5(x^4 +2) has two real roots, both of which are positive. Evaluate the smaller root correct to 3 decimal places, using Newton‘s method.
*May 13, 2015*

**Math**

By drawing suitable sketches, state the number of (i) positive, (ii) negative roots of the following equation x+1 = cos x .
*May 13, 2015*

**Math**

Prove, by mathematical induction, or otherwise, that 1*1!+2*2!+3*3!+…+n*n!=(n+1)!-1
*May 13, 2015*

**math**

Jenny has a problem where she has to measure an angle that is drawn on the paper. She is going to use this protractor to do so. How precise can she be?
*May 13, 2015*

**Math**

Find the numerical value of the coefficient x^11 in the expansion of (x^2+1/x)^10 in the powers of x.
*May 13, 2015*

**Math**

A ball is dropped from a height of 16 feet. Each time the ball dropped h feet, it rebounds 0.81h feet. Find the total vertical distanced travelled by the ball.
*May 13, 2015*

**Math**

The sixth term of an arithmetic sequence is 20.6 and the 9th term is 30.2. Find the 20th term and find the nth term.
*May 13, 2015*

**Math**

How to find the zeros of -16t^2 + 200 = 0?
*May 13, 2015*

**Math**

What are all the solutions for 4sintheta + 1 = 2sintheta from 0 to 2pi? Would it be 7pi/6 and 11pi/6?
*May 13, 2015*

**Math**

What is cos 2theta for sin theta = -2/13 in 180 degs < theta < 270 degs?
*May 12, 2015*

**Pre-Algebra**

1. Given the function rule f(x) = x² – 3x + 2, what is the output of f(–2)? 2. Suppose you earn $12 each time you mow the lawn. Write the function describes the relationship between your total earnings E and the number of times you mow the lawn, m? 3. Mia ...
*May 12, 2015*

**Algebra II**

what value of x makes the following equation true? -5(x + 10)2=390,625 All work must be shown and explantions must be in complete sentences.
*May 12, 2015*

**Algebra ii**

Must show all work.
*May 12, 2015*

**Algebra ii**

What value of x makes the equation true? (x-16)4/3=81
*May 12, 2015*

**Functions**

knowing that log to the base 2 of 7 is 2.807 what is log to the base 2 of 14
*May 12, 2015*

**Math**

Lavonne’s mother has brown eyes, and her father has blue eyes. Lavonne has brown eyes, and her husband has blue eyes. She knows that her children are equally likely to have brown or blue eyes. What is the probability that her first child will have blue eyes? If her first ...
*May 12, 2015*

**Life orintation**

Evaluate the extent to which the service delivery protest you have described met with the prtocesses
*May 12, 2015*

**Math**

What is the question?
*May 12, 2015*

**Chemistry-check answer please**

Correct
*May 12, 2015*

**physics**

A skateboarder starts up a 1.30m high, 25.0° ramp at a speed of 6.70m/s. The skateboard wheels roll without friction. How far from the end of the ramp does the skateboarder touch down?
*May 12, 2015*

**Maths**

Given the equation y=2x-4 of an exponential function f 1)write down the equation of horizontal asymptote of f 2)determine the y intercept of f 3)determine the y value of a point on f with x=-2 4)draw the graph of the function of f showing all critical poins and asymptotes 5)...
*May 12, 2015*

**Ms. Sue PLZ HELP!!!(science)**

Thanks and I just saw ur answer (Pax) but i submitted before and I got a 100%!!!!!!!! Yay, anyway thanks, I did not ask 1 question which I was sure of 1 and I got it right to, yay and thanks soooooo much!!!!:):)
*May 12, 2015*

**Anyone HELP!!!(science)**

Ok thanks anyway!:)
*May 12, 2015*

**Ms. Sue PLZ HELP!!!(science)**

Study the amino acid sequences of the same protein taken from four different species of plants. Which pair of plants is most closely related? Species 1: -A-P-A-C-W- Species 2: -G-P-G-S-F- Species 3: -A-P-A-C-F- Species 4: -N-K-M-H-H- a. Species 2 and 4 b. Species 1 and 3*** c...
*May 12, 2015*

**Ms. Sue PLZ HELP!!!(science)**

Yay I'm right:)
*May 12, 2015*

**Ms. Sue PLZ HELP!!!(science)**

Ok anyway thanks:)
*May 12, 2015*

**Ms. Sue PLZ HELP!!!(science)**

Humans developed antibiotics to fight bacterial infections. However, some antibiotics are no longer effective in killing the bacteria they once killed. How does the theory of evolution explain this? a. The antibiotic mutated the bacteria, which allowed resistance to develop. b...
*May 12, 2015*

**math**

29.64 acres = how many hectares
*May 12, 2015*

**food styles of catering**

Which of the following common kitchen items is a handy alternative to a melon 8?
*May 12, 2015*

**introduction to catering **

Which of the following would you want to do when developing a marketing position?
*May 12, 2015*

**math**

So it wouldn't be A??
*May 12, 2015*

**math help please**

Uh yeah what Nelly said? C is the answer?
*May 12, 2015*

**Physics**

Does displacement always have to include angles and direction? For example a man travels 3 m (N) and 4m (E). Can you just put 5m for displacement or do you have to put the angle and direction? Explain why
*May 11, 2015*

**Social Studies 9**

is in western north
*May 11, 2015*

**math**

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.
*May 11, 2015*

**Algebra**

Find the area of the label on a can with a radius of 5.1 centimeters and a height of 2.9 centimeters
*May 11, 2015*

**Physics**

Does displacement always have to include angles and direction? For example a man travels 3 m (N) and 4m (E). Can you just put 5m for displacement or do you have to put the angle and direction? Explain why.
*May 11, 2015*

**math**

A 160‐inch strip of metal 20 inches wide is to be made into a small open trough by bending up two sides on the long side, at right angles to the base. The sides will be the same height, x. If the trough is to have a maximum volume, how many inches should be turned up on ...
*May 11, 2015*

**American Government**

McCulloch v Maryland is an important case because it was one of the cases whereby the Supreme Court
*May 11, 2015*

**math**

Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(4x) in the interval [0, π].
*May 11, 2015*

**math**

A particle moves on a line away from its initial position so that after t hours it is s = 6t2 + 2t miles from its initial position. Find the average velocity of the particle over the interval [1, 4]. Include units in your answer.
*May 11, 2015*