Tuesday

May 26, 2015

May 26, 2015

Total # Posts: 187

**Math**

Remove the xy-term by rotation of axes, reduce the resulting equation to standard form and trace the curve on the new axes: 16x^2-24xy+9y^2-60x-80y+100=0
*May 18, 2015*

**Math**

Center at (2,-5), conjugate axis parallel to the y-axis, slopes at asymptotes numerically one-sixteenth times the length of the latus rectum, and distance between foci is 2sqrt145.
*May 14, 2015*

**physics**

two ectors act on the same pont. what should the angle between them be so that a maximum resultant is obtained a. o degree b. 90 degree c. 180 degree d. cannot tell answer : a. 0 degree
*January 25, 2015*

**algebric exponents**

(3^x + 3^x + 1) divided by 8 answwer (3^2x + 1) divided by 8
*January 25, 2015*

**algebra**

3a + 9 = 29 3a = 29-9 3a = 20 a = 20/3 a = 6.6 round off to 7
*January 25, 2015*

**english**

c, a, d, b, f, e
*December 25, 2014*

**physics**

a horizontal force of 3 N is excerted on an object while a vertical force of 4 N is excerted at the same time. calculate the resultant force on the object? 3 square + 4 square = 25 so the resultant force will be 25 N
*December 21, 2014*

**physics**

vector diagram...?
*December 21, 2014*

**physics**

two girls exeret a force of 30 N and 10 N on a bag in same direction. a dog tugs at bag and drag it in oppsite direction with the force of 5 N. calculate the new force exerted on bag and draw a vector diagram. F= 10+30 = 40 N dog applied force in opposite direction with 5 N ...
*December 21, 2014*

**Math**

8b + 23 = -4.2
*November 3, 2014*

**english**

It's direct indirect objacts stuff can someone help me
*October 1, 2014*

**Pre-Algebra**

What is 1/8 - 3/5? 1/8 - 3/5 = 5/40 - 24/40 = 19/40
*September 13, 2014*

**Algebra**

1. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 2. In the sequence 2, 6, 10, … , what term has a value of 106? 3. Solve for the 101st term of the sequence: 6-p, 4+p, 2+3p, 5p, … .
*September 9, 2014*

**Algebra**

1. Why cant you use the formula of the infinite geometric series on 1/81 + 1/27 + 1/9 + 1/3 + ..... 2. Using concepts of infinite geometric series, show that 0.9999 ..... = 1.
*September 9, 2014*

**Algebra**

My answer are all true except for number 4 which is false. Am I right?
*September 9, 2014*

**Algebra**

True or False 1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term. 3. In an arithmetic sequence, the common difference is computed by subtracting the ...
*September 9, 2014*

**Algebra**

Given ________, – 243, – 226, – 209, – 192, – 175, … a. What is the 67th term of the sequence b. What is the series of the first 27 terms of the sequence
*September 9, 2014*

**physics**

a block of mass 0,5kg is attached to a spring .The spring is compressed to a distance of0,1m.The block is released .The block moves 0,07m past the equilibrium position .What is the force of friction that does work on the block. spring constant is 500
*August 29, 2014*

**physics**

a block of mass 0,5kg is attached to a spring.The spring is compressed to a distance of 0,1m .The block is released .The block moves 0.07m past the eequilibrium position .What is the force of friction that does work on the block? spring const is 500. F -kx -500 x .07
*August 29, 2014*

**math**

Its 2€g longer£ brcasuse £¥ its equvrnt
*April 22, 2014*

**Math**

17*23.125=393.125
*April 14, 2014*

**Math**

If Logan's family can drive 23.125 miles on 1 gallon of gas, how far can they drive on 17 gallons?
*April 14, 2014*

**Physics**

A submarine is at a depth of 15.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What is the net force being exerted on a circular window of the submarine that has a radius of 25 cm? The density of the ocean water is 1030 kg/m3. I know ...
*January 21, 2014*

**math**

20 x .80 = 16 problems correctly answered
*August 10, 2013*

**accounting**

a. a zero balance explanation: income statement accounts (revenues and expenses) are temporary accounts and therefore once these accounts are closed, the balance are zero.
*August 7, 2013*

**math**

36
*May 28, 2013*

**Manufacturing process**

Product that using manufacturing process and its process.
*May 7, 2013*

**dynamics**

Mass of 2.3 kg and 4.5 kg is connected with the cord as shown. The coefficient of kinetic friction between box and floor is 0.35. Determine: a)The tension in the cord b)The acceleration of the blocks c)If the block start slides with 2.3 m/s, d)How far does a blocks move in 4 ...
*May 7, 2013*

**math**

Assume you do not know the population standard deviation. describe how you form a 90% confidence interval to estimate the population mean age for students at Westwood College Online.
*May 1, 2013*

**physics**

1. A piece of rectangular block weighing 5 kg is pressed on a vertical wall by a horizontal force applied to the block. If the coefficient of friction between the block and the wall is 2.0, what force is necessary to keep the block in place? 2. If the force in Prob. 1 is ...
*March 20, 2013*

**Chemistry**

Suppose u place a beaker containing a solution in the refrigerator. An hour later, white solid found at thr bottom of beaker, wat hapoened? Why?
*February 24, 2013*

**Chemistry**

pH pH ( strip c : 8 ) dark green pH ( strip d : 3 ) purple - suppose u mix togather equal amounts of the solutions that produced the results of strip c and d , then test the pH of this new solution. What color will the indicator paper be? Explain .
*February 24, 2013*

**math**

1. Which of the following expressions is written in scientific notation? 1. 73.4 x 105 2. 0.09 × 107 3. 80 x 103 4. 4.22 x 10–3 2. Which of the following is 0.0000000708 written in scientific notation? 1. 7.08 x 10–8 2. 7.8 x 10–8 3. 708 x 10–10 4. 70...
*January 31, 2013*

**Engl**

Is It B?
*January 30, 2013*

**Engl**

2. Read the following paragraph from “A Tremendous Trade”: It might not seem fair, but in every profession, workers earn whatever people are willing to pay them. Baseball is no exception. Teams compete to offer as much money as they can to players who are among the ...
*January 30, 2013*

**Math help**

Describe 2 polygons by the number of vertices and sides each has
*January 10, 2013*

**science**

Why do humans use running shoes, winter boots, snowshoes, skis and flippers? Why are these not biological adaptations? Use animals as examples.
*October 28, 2012*

**college calc**

Approximate the square root of 64.3, y=x^(1/2). Starting point is the square root of 64.
*October 26, 2012*

**Research**

300-word summary of your business research process by describing the business research proposal from your experience in the workplace or in an article you find through the University Library
*August 27, 2012*

**Math**

3.6
*July 10, 2012*

**Math**

1.The principal is $50,000. This is P. 2.Research the annual interest rate for your investment. This is r. 3.State the time in years for the investment (as in when the new grandchild will be attending college). This is t. 4.State the number of compounding periods per year. ...
*May 23, 2012*

**SOCIAL STUDIES PLZZ HELP**

Yea rachel is right i just got 100% too
*April 30, 2012*

**math URGENT!**

Aww how cute Your mad Emerald! XD
*April 27, 2012*

**us history**

thank you Ms. Sue
*March 30, 2012*

**us history**

what did LOWELL MILL STRIKERS do?
*March 30, 2012*

**MATH**

A customer has a balance of $1,350. Interest is paid at the end of 12 months. Assuming the balance remains at $1,350 for all 12 months, how much interest will be earned after 12 months if the interest rate on the account is 5.5%?
*March 17, 2012*

**Chemistry**

h2c4h4o4 + 2naoh --> 2h2o + na2c4h4o4 as for the previous question im sorry i forgot to plug the maleic acid in the formula properly. so this ones it ^ .2213 of c4h4o4 used (maleic acid) and .1 M NaOH 1. show the equation for 1st and 2nd ionization 2. find molecular mass of...
*March 12, 2012*

**trig**

Simplify the expression cos^2 x (sec^2 x-1)
*March 8, 2012*

**math**

Thank you. What if i round it to millions. would it be 4 million?
*February 25, 2012*

**math**

How to I round 613,572,947 to the nearest tens. My teacher confuses me with this. Would it be 50?
*February 25, 2012*

**history**

against the Ku Klux Klan. Together, these were known as the _______ Acts. A. Grant B. Force C. Klan D. Reconciliation
*February 2, 2012*

**college algebra**

A grandmother is looking for a plan to finance her new grandchild’s college education. She has $50,000 to invest. Search the internet and locate a long-range investment plan, CD, Savings Bond, etc, for the grandmother. The plan is to earn compound interest
*February 1, 2012*

**math**

suppose you use the rule (3x+1,3y-4) to transform the original figure into a new figure. How would the side lengths of the new figure compare to the side lengths of the original? I need help fast. Thank you so much.
*January 16, 2012*

**Math**

Is the answer 191.7m2.
*January 12, 2012*

**Math**

Please help I have school tomorrow.
*January 12, 2012*

**Math**

Amandeep decides to grow a vegetable garden. She wants to make it 10.1m long and 4.2m wide. She is worried about rabbits eating from her garden so she builds a fence around it. The fence will be 11.2m long and 5m wide. What is the area between the fence and garden? Show your ...
*January 12, 2012*

**math**

write the fraction in lowest term
*November 27, 2011*

**Math**

How do I write the numbers in order from greatest to least and show my work 0.275, 2 5/8, 0.15, 3 6/7
*November 9, 2011*

**Math**

Please check my work. 1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) Simplify -9 and a small 2 = -81 4) Simplify (-3) and a small 3 = -27 5) Add -4/11 + 5/11 = 1/11 6) subtract 5/11- [-3/11] = 8/11 7) multiply [-7/8] • [-2/4] = 7/16 8) divide -3.5 -5.6 = -0.63 9) ...
*November 8, 2011*

**Math **

Divide -60/10 Is -6 the answer?
*November 8, 2011*

**Math**

4•(-5) Is 20 the correct answer?
*November 8, 2011*

**Math**

Subtract. -3 -16 Is -19 the answer?
*November 8, 2011*

**Math**

Add. (-6) + 11 Is 5 the answer?
*November 8, 2011*

**Mathematics**

A man walked for some distance at 8 km/h, and for an equal distance at 5 km/h. The total time he took was 13/4 hours. Find the total distance he walked. Explain your workings
*November 5, 2011*

**Math**

Mrs Li bought some oranges. She gave 1/2 of them to her sister, 1/4 of the remainder to her neighbour, 3/5 of those left to her children and had 6 left in the end. How many oranges did Mrs Li buy? Explain your workings
*November 5, 2011*

**Basic math**

Ah yay! Thanks miss sue!!
*November 3, 2011*

**Basic math**

I figured that but I thought I had to do some adding then divide it by two. Idk I think I'm a bit confused. Thank you
*November 3, 2011*

**Basic math**

The company Acceptance had employees with monthly salaries of $1,700, $1400, $7,000, $1550, and $2,500. Find the median of these salaries. How do I answer this?
*November 3, 2011*

**Basic math**

So 10+12=22 22divide by 2 = 11 Is 11 the correct answer?
*November 3, 2011*

**Basic math**

Find the median of the numbers 3, 6, 10, 12, 27, 62 How do I answer this?
*November 3, 2011*

**math**

Yay thanks!!!
*November 3, 2011*

**math**

Round to the nearest hundred. 483.9 Is 500 the correct answer?
*November 3, 2011*

**math**

Write in expanded form. 7.37 Is this the correct answer? 7+3/10+7/100
*November 3, 2011*

**math**

Which is the correct symbol to make the resulting inequality true? 4 4/3 > 4 1/2 Or 4 4/3 < 4 1/2 What does this mean?
*November 1, 2011*

**physics**

A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes the second point is 15 m/s. (a) What was the speed at the first point? (b) What is the constant acceleration? (c) How far behind the first point was ...
*October 22, 2011*

**math**

the bus passes through Sierra Blanca, which is 90 miles from El Paso. About how long does it take the bus to get to Sierra Blanca?
*October 11, 2011*

**Dental Terminology and Anatomy**

1.The largest of the salivary glands is the A. Submandibular B. Sublingual C. Minor D. Parotid 2.The portion of the tooth that is used for mastication and is visble in the oral cavity is the A. Cervix B. Crown C. Root D. Gingiva 3.The ____ makes up the superior of the oral ...
*September 21, 2011*

**mathematics**

thank you very much for your help.
*August 29, 2011*

**mathematics**

Please help me answer this question; 1.A metal gutter open at the tops and ends, is bent up from material 30 cm wide to form a rectangular cross section. a) If the base of the gutter is x cm wide, find the height of the gutter. b)Show that the area of the gutter cross section ...
*August 29, 2011*

**Maths**

please help me answer this question: A pilot sets to fly from B to A and wishes to set a course to offset a 32 km/h easterly wind.The aircraft can fly at the speed of 800km/h in still air. A is 256 from B in a bearing of 330 degrees. a)on what course must the aircraft be set? ...
*August 11, 2011*

**math puzzle**

(2^2)+(7^3)+(4^3)+ 3 + 4 +(3^2) =? (2x2)+(7x7x7)+(4x4x4)+3+4 +(3x3) =? 4+ 147 + 64 + 7 + 9 = 231
*June 5, 2011*

**algebra 1**

(-6+3=y) the following equation given is a linear function:(general formula is y = mx+c)..where m = the gradient, and c= the y-intercept.hence in the equation given; m is= -6, & c=3. to find the x-intercept, make y = 0. eg. -6x+3=y -6x+3=0 -6x=-3 -6x/-3=-3/-3 2x=1 x=1/2
*June 5, 2011*

**trigonometry**

Yes, the question should be : 2(sec^A -2)/4 tan A
*June 5, 2011*

**trigonometry**

Simplify:2sec^2A-2/4tan A...Please help,anyone who can answer
*June 5, 2011*

**history**

thanks very much.
*June 5, 2011*

**history**

briefly: what is vietnamisation?
*June 5, 2011*

**trig**

on the same set of axes: (0 degrees is greater than or equal to x and x is less than or equal to 360 degrees) (a) sketch the graphs of y= sin degrees ,y=2sinx degrees and y=sin2x degrees
*June 4, 2011*

**trig**

Given Tangent theta = -5 on 4 and cos theta >0, find sine theta and sec theta
*June 4, 2011*

**science**

what is the average speed from 5s to 10s
*May 5, 2011*

**sphysical cience**

a car's speed changes from to travel 325m if your car can 160m/s
*May 5, 2011*

**algebra b1**

5x+4=y y-3x=7
*February 16, 2011*

**Math**

So here's our question " Chet bought a rug that cost $280. He had a coupon for about 10% off" now here is our two questions how much did he save with the discount?? And our other one is how much did he pay he paid 130
*February 10, 2011*

**Math**

how can you condense these cos^3x* cos2x^2 cos^3x- cos2x^2 Thanks a lot :)
*January 23, 2011*

**Pre-Calc**

x=+-√(14
*January 23, 2011*

**Chemistry**

Superphosphate, a water soluble fertilizer, is sometimes marked as a "triple phosphate". It is a mixture of Ca(H2PO4)2 + 2CaSO4. Ca3(PO4)2 + 2H2SO4 --> Ca(H2PO4)2 + 2CaSO4 If you treat 400g of calcium phosphate with 267g of sulfuric acid, how many g of ...
*January 8, 2011*

**math**

Use formula LCM x GCF = product of two numbers GCF = 180 / 60= 3
*January 8, 2011*

**Math, please help!**

pijpj
*January 6, 2011*

**geometry**

two of the angle of a arallelogram measure 75 what are the measures of the other two angle
*November 29, 2010*

**bobpursley please help**

wait. nevermind about the .0330. but why divide by 2?
*November 28, 2010*