Friday

December 19, 2014

December 19, 2014

Total # Posts: 242

**Calculus**

Lines tangent to the curve y-1=2x^2+3x pass through the point A(2,-1). Find the x-coordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 2-2^1/2, I just don't know how to get there. Please help! Thank you!
*December 7, 2014*

**physics**

A 61.0 -kg bungee jumper is standing on a tall platform (h0 = 46.0 m), as indicated in the figure. The bungee cord has an unstrained length of L0 = 9.00 m, and when stretched, behaves like an ideal spring with a spring constant of 76.0 N/m. The jumper falls from rest, and it ...
*November 25, 2014*

**Chemistry**

Polar
*November 12, 2014*

**Math**

Each digit in the division example has been replaced with the same letter throughout. (r stands for remainder.) The digits used wher 1,2,3,4,5,7,and 9. Find the numbers SU rE ------ )CAN -CU ------- IN - IU ------- E
*October 29, 2014*

**math (need check answer)**

oh instead of 14x + 8y, i should be switch around to 3x + 4y, now I get it. thank you :)
*October 8, 2014*

**math (need check answer)**

You are buying balloons for a party. A small balloon cost $3. A large balloon cost $4. Write an algebraic expression for the cost of x small balloons and y large balloons. Then find the total cost for 14 small balloons and 8 large balloons. Q1: An algebraic expression for the ...
*October 8, 2014*

**algebraic expression**

thank you ms.sue
*October 6, 2014*

**algebraic expression**

please check my answer!!!
*October 6, 2014*

**algebraic expression**

Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has, write an expression in terms of n that describes the number of dimes. The algebraic expression is _________ My answer is D + n = 47, am i correct?
*October 6, 2014*

**math**

an office manager is renting a local hall for un upcoming event. The hall costs $200. The food costs $14 per person. The office manager is not sure how many people will attend. Which quantity is not a variable quantity - the cost to rent the hall, the number of people who will...
*October 6, 2014*

**Math**

Thank you Ms. Sue.
*October 6, 2014*

**Math**

I got 53
*October 6, 2014*

**Math**

I don't understand the 30/(9/16) and after.
*October 6, 2014*

**Math**

DVD cases are 9/16 inch wide.. If Juan has 60 DVDs how many will fit on one shelf. Shelves are 2 1/2 ft long.
*October 6, 2014*

**Sociology**

Research on children raised in orphanages has found that?
*September 23, 2014*

**algerbra**

translate the equation 3 over 5-5=x(y+7)into a verbal sentence
*June 19, 2014*

**Chemistry **

Consider the following reaction: CaCO3(s)→CaO(s)+CO2(g). Estimate ΔG∘ for this reaction at each of the following temperatures. (Assume that ΔH∘ and ΔS∘ do not change too much within the given temperature range.) for 310K,1070,1470 this is...
*May 19, 2014*

**statistics (6)**

1023
*April 22, 2014*

**government**

How do ideological parties and single-issue parties differ from one another? A. Ideological parties tend to be more liberal, while single-issue parties tend to be more conservative. B. Ideological parties focus on certain beliefs, while single-issue parties focus on one main ...
*March 27, 2014*

**Math**

A store sells used DVDs for $8 each and used videotapes for $6 each. Write a function rule to represent total selling price of DVDs and videotapes. Then use the function rule to find the price if 5 DVDs and 3 videotapes
*February 24, 2014*

**Physics **

Two automobiles, each of mass 800kg , are moving at the same speed, 18m/s , when they collide and stick together. At what speed does the wreckage move if one car was driving north and one east.
*February 21, 2014*

**physics**

a block with a mass of 3.7 kg slides with a speed of 2.2 m/s on a frictionless surface. the block runs into a stationary spring and compresses it a certain distance before coming to rest. what is the compression distances, given that the spring has a spring constant of 3200 N/m?
*February 11, 2014*

**Health (Ms. Sue)**

Wow really that's so helpful ms.Sue. At least give them ur opinion!
*December 17, 2013*

**science**

An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT?
*December 6, 2013*

**algebra 1**

Find C intersection D. C: {3, 6, 9, 12, 15, 18} D: {numbers divisible by 2 from 1 to 20} {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} {6, 12, 18} {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20} { } I really think its the second one but im so confused.
*November 1, 2013*

**math **

y = -1/6 x + 5 identify the slope and the y-intercept of the equation.? how you would graph this line using the slope-intercept method. ? my teacher is saying im still getting the wrong answer:( please help
*October 11, 2013*

**math**

–x + 6y = 30 y = -1/6 x + 5 how do I identify the slope and the y-intercept of the equation for the second one and change the equation into slope-intercept form for the first one? I will do the rest on my own thanks
*October 11, 2013*

**physic**

ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed relative to the shore?
*September 24, 2013*

**alg 1 help?**

If A = {0, 1, 2, 3} and B = {c−3, −2, −1}, what is A ¿ B? ? help?:(
*September 12, 2013*

**math (long div.)**

please help me solve long division :( 1.)8 divided by 6984 (0.00114548) 2.)48 divided by 7584 (0.00632911) 3.)35 divided by 19933 (0.00175588) I know the answer to all of them but I don't know how to solve it the long way .
*August 29, 2013*

**Maths**

Jessica needs to construct a rectangular outdoor dog pen. The pen must have 4 sides. I need to draw 6 different shaped rectangular pens, seen from the top, using 24m of fencing.
*August 8, 2013*

**language**

Write these words in alphabetical order. Alphabetize them to the second letter. grim, blot, sum, build, shelf
*July 29, 2013*

**alg 1**

6(4) ÷ 2 − 1 + 5 I don't understand how to do it step by step
*July 10, 2013*

**PSYCHOLOGY**

What are the three most significant concepts you have learned in this course that you would include in a speech supporting incorporation of health psychology concepts into health care policy? Please explain why you would incorporate (why are they important?)
*June 18, 2013*

**Pre-Calculus**

can someone help me with figuring out my math and explaining it to me. or How to use the calculator with the problems ?
*June 9, 2013*

**(chem) this will make me or break me :(**

1.If the pressure of the gas in a 2.31 L balloon is 0.120 atm and the volume increases to 7.14 L, what will be the final pressure of the air within the balloon? Round to the nearest hundredth. Don't forget the units. 2.At a pressure of 2 atm, hydrogen gas occupies a volume...
*May 23, 2013*

**chem word problem**

A balloon is filled with 14 L of gas at 302 K. What is its temperature in Kelvin when the volume expands to 20 L? Round to the nearest whole number. Don't forget the units.
*May 10, 2013*

**Calculus**

Differentiate ln(cos(2x))
*May 1, 2013*

**chem (boyles and charles law)**

A 1.00L balloon is filled with helium at 1.20 atm.If the balloon is sqeezed into a 0.500L beaker and doesnt burst ,what is the pressure of the helium?
*April 28, 2013*

**chemistry (charles law)**

A 4.0L sample of methane gas is collected at 30.0 celcius .predict the volume of the sample at 0 celcius.
*April 28, 2013*

**chemistry (charles law)**

1.)A ballon is filled with 3.0L of helium at 310k.The balloon is placed in an oven where the temputure reaches 340k.what is the new volume of the ballon?
*April 28, 2013*

**english**

find the simple suject of each sentence Please describe the music
*April 10, 2013*

**math ALG 2!**

Write the following value in standard notation. 2 x 10-6
*March 19, 2013*

**math ALG 2!**

Write the following value in standard notation. 3.14 x 10-5
*March 19, 2013*

**math ALG 2!**

Write the following value in standard notation. 3.89 x 104
*March 19, 2013*

**math ALG 2!**

Write the following value in standard notation. 4.25 x 106
*March 19, 2013*

**math ALG 2!**

Write the following value in scientific notation. 0.00003165 i dont understand?
*March 19, 2013*

**math ALG 2!**

Write the following value in scientific notation. 0.00000021 i think its 2.1x10 but i really think its wrong
*March 19, 2013*

**math ALG 2!**

Write the following value in scientific notation. 7,400,000 7.4x10^3? help?
*March 19, 2013*

** math ALG 2!**

Write the following value in scientific notation. 23,000,000 i dont understand
*March 19, 2013*

**math ALG 2!**

A blue bike is $14 less than a red bike. The sum of their prices is $300. How much is the red bike? i thought it was 123 but i think its wrong.plz help
*March 19, 2013*

**math ALG 2!**

Four times a certain number is the same as the number increased by 78. Find the number i thought it was 20.plz help
*March 19, 2013*

**math**

how do you solve: input __ 16 22 50 8 30 output 10 11 14 28 __ 18 (hint: divide and add)
*March 18, 2013*

**math**

input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve
*March 13, 2013*

**math**

input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve
*March 13, 2013*

**math**

input 10 15 21 6 29 ___ output 12 22 ___ 4 50 2 please help me solve this
*March 13, 2013*

**math**

input 2 ___ ___ 7 15 6 output 11 20 35 26 50 23 please help me solve this.
*March 13, 2013*

**math**

input ___ 16 22 50 8 30 output 10 11 14 28 ___ 18 please help me solve this.
*March 13, 2013*

**Quantum Physics**

What is the matrix (4x4) for ZX (Z applied on the first qubit and X applied on the second qubit)?
*March 12, 2013*

**math**

input output 10 12 15 22 21 _______ 6 4 29 50 _______ 2 how do i solve this problem?
*March 12, 2013*

**math**

input output 2 11 _______ 20 _______ 35 7 26 15 50 5 23 how do i solve this?
*March 12, 2013*

**math**

how do i find input and output for: input output _______ 10 16 11 22 14 50 28 8 _________ 30 18
*March 12, 2013*

**math**

how do i find input and output for: input output _______ 10 16 11 22 14 50 28 8 _________ 30 18
*March 12, 2013*

** English**

Click on the box to choose whether the italicized sentence supports the key sentence. Key Sentence: Alexander Solzhenisyn had much tragedy in his life. He became a victim of cancer while in prison.no or yes He later moved to America. yes or no His book One Day in the Life of ...
*March 2, 2013*

**english**

Click on the box to choose whether each sentence restates the key idea expressed in the key sentence. Key Idea: When hot weather arrives and the nation takes to the outdoors, mishaps multiply. Drowning is the fourth most frequent cause of accidental deathin the summer. restate...
*March 1, 2013*

**geometry**

How many signals does a polygon with 32 sides have?
*February 6, 2013*

**Math**

how do you find the the area of a shaded region between the circle and the and the triangle with the points given (-8,6), (8,6) and (10,0)
*February 5, 2013*

**math**

How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation.
*January 22, 2013*

**Chemistry**

.653
*January 19, 2013*

**physics**

2 runners accelerate from rest to their top speeds. The 1st runner pat has an acceleration of 5.9 m/s^2 and reaches her top speed in 4 sec. The second runner steven accelerates at 4.4m/s^2 and takes 6.5 sec to reach his top speed the 2 runners run flat out for the remainder of...
*December 20, 2012*

**college algebra**

solve for X -7=7x^2-10x+6
*November 11, 2012*

**math**

a band held a concert in it's hometown a total of 15000 people attended the tickets cost 8.50 per student and 12.50 per adult the concert took in a total of $162500 how many adult came to the concert
*November 7, 2012*

**math**

what is a word phrase of n + 16
*November 6, 2012*

**statistics**

given the 95% confidence interval (6.214, 7.686), interpret
*October 14, 2012*

**odu**

A toboggan approaches a snowy hill moving at 12.9 . The coefficients of static and kinetic friction between the snow and the toboggan are 0.390 and 0.290, respectively, and the hill slopes upward at 44.0 above the horizontal.
*October 11, 2012*

**Statistics**

he life expectancy of a lung cancer patient treated with a new drug is normally distributed with a mean of 4 years and a standard deviation of 10 months
*September 30, 2012*

**government**

civil rights act was aimed chiefly at
*September 19, 2012*

**physics**

Two cars both travel along a straight road Northbound. At t = 0, the car 1 is 190.6 m further north than car 2. Also at t = 0, car 1 is travelling at 24.3 m/s, and car 2 is travelling at 5.7 m/s. Car 1 is slowing down with an acceleration of magnitude 0.28 while car 2 is ...
*September 19, 2012*

**Finance**

Your client is 40 years old, and she wants to begin saving for retirement, with the first payment to come one year from now. She can save $7,500 per year, and you advise her to invest it in securities which you expect to provide an average annual return of 9 percent. If she ...
*September 19, 2012*

**physics**

If the potential difference between a cloud and the ground is about 17 , how much charge is transferred in a lightning bolt that releases 1.2 of energy?
*September 11, 2012*

**Algebra**

translate the equation 3 over 5-5=x(y+7)into a verbal sentence
*August 30, 2012*

**Accounting**

CollegePak Company produced and sold 60,000 backpacks during the year just ended at an average price of $20 per unit. Variable manufacturing costs were $8 per unit, and variable marketing costs were $4 per unit sold. Fixed costs amounted to $180,000 for manufacturing and $72,...
*July 4, 2012*

**language arts**

What is the adverb in the following sentence: Historically, the name Pearl Harbor has significance?
*May 15, 2012*

**math**

what scale is used to draw a 45 ft. wide by 38 ft. long building on a 8.5 inch by 12 inch paper
*May 8, 2012*

**Physic**

If the specific gravity of ice is 0.92, what is the mass of one cubic meter of ice in grams?
*March 15, 2012*

**6th Math**

awesome!!! Thank you.
*March 1, 2012*

**6th Math**

Don decided to do some landscaping in his backyard. He began by watering the lawn. The rotating sprinkler that he installed can spray an area with a radius of 7 feet. What is the maximum area the sprinkler can cover? a. 21.98 ft(2) b. 28.26 ft(2) c. 43.96 ft(2) d. 153.86 ft(2...
*March 1, 2012*

**math/geometry**

An architect is designing a small A-frame cottage for a new resort area. A cross section of the cottage is an isosceles triangle with an area of 98 square feet. The front wall of the cottage must a accommodate a sliding door that is 6 feet wide and 8 feet high. Find the width ...
*February 19, 2012*

**business statistics**

A store owner decides to put a coupon in the Sunday newspaper. The advertising firm she works believes that at least 20% but no more than 30% of people who shop at his store will use the coupon. The paper circulates 50,000 copies of the Sunday paper and ALL her customers get ...
*February 18, 2012*

**business statistics**

store manager is doing a study on how to staff his franchise. He knows that the average number of pizzas ordered is 12 per hour with a standard deviation of 1.4 pizzas. Staffed with 3 employees, he can assemble up to 15 pizzas per hour. If his store is open for 10 hours each ...
*February 18, 2012*

**statistics**

A store owner decides to put a coupon in the Sunday newspaper. The advertising firm she works believes that at least 20% but no more than 30% of people who shop at his store will use the coupon. The paper circulates 50,000 copies of the Sunday paper and ALL her customers get ...
*February 18, 2012*

**speech**

Even when speaking, one must cross one's T's and dot one's i's. What does this mean when referring to public speaking? What public speaking term does this refer to?
*January 20, 2012*

**3rd grade math**

If have 8 crayons in all them to gather weigh1,200g how each of them weigh
*January 11, 2012*

**geometry**

money baby
*December 19, 2011*

**algebra**

A jogger ran 6 miles, decreased her speed by 1 mile per hour and than ran another 7 miles. If total jogging time was 2 1/42, find speed for each part of her run.
*December 15, 2011*

**Algebra**

Solve the equation: x^-2 -7x^-1 +12 = 0
*December 4, 2011*

**MATH-PLEASE HELP ME**

Please clarify - what is cbrt
*December 3, 2011*

**MATH-PLEASE HELP ME**

Factor the common factor from the expression: x^1/3; x^10/3 + x^1/3
*December 3, 2011*

**algebra**

Factor the common factor from the expression: x^1/3; x^10/3 + x^1/3
*December 3, 2011*