Monday

April 21, 2014

April 21, 2014

Total # Posts: 961

**Math**

The numerator of a certain fraction is 3 times the denominator. If the numerator is decreased by 1 and the denomenator is increased by 2, the value of the resulting fraction is 5/2> Find the fraction.

**Algebra **

The numerator of a fraction exceeds the denominator. If 3 is added to the numerator and 9 is subtracted from the denominator, the new fraction is equal to 5/2. Find the original fraction.

**Algebra **

What number must be added to both the numerator and denominator by 3. If 3 is added to the numberator and 9 is subtracted from the denominator, the new fraction is equal to 3/2. Find the original fraction.

**Algebra**

The numerator of a certain fraction is 3 times the denominator. If the numerator is decreased by 1 and the denomenator is increased by 2, the value of the resulting fraction is 5/2. Find the fraction.

**Globalization**

rise of free markets.. how we got where we are now.. and the nature of the modern world economy.. ??

**Globalization**

Commanding Heights is a series of videos that portray various aspects of how different countries got reformed from war. Money is one of the investments that caused conflicts during this era. The government tried to develop ways the economic structure could improve by providing...

**Globalization**

What are the main questions that the Commanding Heights series is posing about globalization and economics and how does it fit into the concept of development?

**Chemistry**

Which pair of samples contains the same number of hydrogen atoms two moles of NH3 and three moles of N2H4 two moles of NH3 and one mole of N2H4 four moles of NH3 and three moles of N2H4 one mole of NH3 and one mole of N2H4

**math**

i need to know the vocabulary of a straight line

**Algebra 2**

Solve x^4-4x^3+4x^2-9=0 given that 1+isqrt2 is a root. I need all of the steps. Thanks

**Algebra 2**

You know that sometimes before a square root sign you have a number that is raised like an exponent.

**Algebra 2**

Simplify 2/^6sqrt8 I need all of the steps. Thanks

**Algebra 2**

Simplify sqrt(72x^3)-5xsqrt(2x). Assume that each radical represents a real number. I need all of the steps. Thanks

**Algebra 2**

Simplify: 2/^6sqrt8 I need all of the steps. Thanks

**Algebra 2**

Solve e^(2x-1)=3 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

If logb^z=1/3logb^x+logb^y, write z in terms of x and y. I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Simplify: log6^(36/6^-10) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Are the functions f and g inverse functions if f(x)=5/3x+1 and g(x)=3(x-1)/5? I need all of the steps on how to determine this. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Simplify: (2^(1+sqrt2)/2^(1-sqrt2))^sqrt2 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Solve x^4-4x^3+4x^2-9=0 given that 1+i sqrt2 is a root. I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Solve: 2-y=sqrt(y+4) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Simplify: 6/(3+2sqrt3) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Simplify: (2sqrt6-sqrt3)^2 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Simplify: sqrt(72x^3)-5x sqrt(2x) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

**Algebra 2**

Simplify: sqrt6(sqrt2/2+sqrt3)-sqrt8 I need all of the steps. I need this ASAP because this is due tomorrow. Thanks

**Global Issues**

Well if someone has seen this film they could help me answer these questions. Thanks

**Global Issues**

Questions for the movie Human Trafficking The Complete Miniseries: 1. Forms of entrapment/enslavement used 2. a. How does your identity disappear? b. How are you lost in or hidden from society? 3. ICE agents quote: Human Trafficking is the business of the future. Why? Also how...

**Algebra 2**

Solve: 25^(x+2)=5^(3x-3) I need all of the steps. Thanks

**Algebra 2**

For positive x and y, which expression is equivalent to (x^1/2-y^1/2)^2? a. x-y b. x+2sqrt(xy)+y c. x-2sqrt(xy)+y I need all of the steps to get to the right answer. Thanks

**Algebra 2**

Use the rational root theorem to determine which of the following could not be a root of 6x^3+23x^2-6x-8=0 I need all of the steps. Thanks

**Algebra 2**

How do you find the curve of g(x)=4x-x^2? I need all of the steps. Thanks

**Algebra 2**

1. Simplify: sqrt6(sqrt2/2+sqrt3)-sqrt8 2. Simplify: sqrt(72x^3)-5x sqrt(2x) 3. Simplify: (2sqrt6-sqrt3)^2 4. Simplify: 6/3+2sqrt3 5. Solve: 2-y=sqrt(y+4) I need all of the steps. Thanks

**Algebra 2**

Show that the following numbers are irrational: 1. sqrt3 2. sqrt6

**Algebra 2**

Find the number of times r is a root of P(x)=0. 1. P(x)=x^4+4x^3-16x-16; r=-2 2. P(x)=x^5+3x^4+2x^3-2x^2-3x-1; r=-1 3. When x^3-5x^2+4x+5 is divided by x-c, the quotient is x^2-3x-2 and the remainder is 1. Find c. Thanks

**Algebra 2**

Use the factor theorem to determine whether the binomial is a factor of the given polynomial. 1. t+sqrt2; P(t)=t^5+t^4+4t+4 2. z-i; P(z)=z^7+z^6+z^5+z^4+z^3+z^2+z+1 3. z+2i; P(z)=z^3+z^2+4z+4 Thanks

**Algebra 2**

Simplify: 1. 2log10^5+log10^4 2. 2log3^6-log3^4 3. log4^40-log4^5 4. log4^3-log4^48 I need to see all of the steps. Thanks

**Algebra 2**

Express as a logarithm of a single number or expression: 1. 5log4^p+log4^q 2. log10^x-4 log10^y 3. 4log3^A-1/2 log3^B 4. log5^M+1/4 log5^N 5. log2^M+log2^N+3 6. log5^x-log5^y+2 7. 1-3 log5^x 8. (1+log9^x)/2 I need to see all of the steps. Thanks

**Algebra 2**

If log10^9=0.95 and log10^2=0.30, find the following: 1. log10^9/2 2. log10^3 3. log10^36 4. log10^20/9 5. log10^900 6. log10^1/9 7. log10^1/2000 8. log10^162 I need to see all of the steps. Thanks

**Algebra 2**

I need a paragraph explaining the relationship between the zeros of the graph of the function and the solutions to the equation.

**Math**

2x^2+x-6>0 A=2 B=1 C=-6 Multiply A and C together A=2, C=-6, 2x(-6)=-12 Find factors of -12 that add up to give you a positive value of 1, B We figure out that factors of -12 that add up to give us 1 are 4 and -3 We rewrite our equation as: 2x^2+(4x-3x)-6>0 We can group ...

**Algebra 2**

A rectangular box is to be x in. by (12-x) in by (15-x) in. What is the greatest volume possible? What will the dimensions of the box be? I need all of the steps to get to the answer.

**Algebra 2**

You want to make a rectangular box that is x cm high, (x+5) cm. long and (10-x) cm. wide. What is the greatest volume possible? What will the dimensions of the box be? I need all of the steps to get to the answer.

**Algebra 2**

A farmer wants to enclose 2 adjacent rectangular regions next to a river. No fencing will be used next to the river. 60 meters of fencing will be used. What is the area of the largest region that can be enclosed. I need all of the steps to get to the answer.

**Algebra 2**

One hundred feet of fencing is available to make a rectangular dog pen against an existing wall. What are the dimensions of the pen that will yield the maximum area? I need all of the steps to get to the answer.

**Algebra 2**

A rain gutter is made by bending up the edges of a piece of metal of width 36 in. If the length of the piece of metal is 24 in., find the height that maximizes the volume. I need all of the steps to get to the answer.

**Algebra 2**

A rectangular field is to be enclosed by 300 feet of fencing. Find the dimensions of the enclosure that maximizes the area.

**Statistics**

A histogram can also help detect any unusual observations (outliers), ... We can compare more than one data set by the use of multiple stem and leaf plots. ... In cases where we have more than one data set to analyse, a 5-number summary

**MATH please help**

A sweater that was originally $27.95 is on sale for 19.99. Estimate the percent discount

**MATH please help**

A sweater that was

**Math**

State the area, A, of the bottom of the box in terms of x. length = 8.5 inches width = 11 inches

**Math**

The loan arranger

**physics**

Two rivers, A and B, flow together to form a larger river C. If the flux (volume rate of flow) of river A is 300 gallons per second and the flux of river B is 200 gallons per second, what is the flux of river C? 1)200g/s 2)250g/s 3)300g/s 4)500g/s

**Calculus B**

Find lim as x goes to 0 of (xsinx)/(1-cosx)

**Calculus B**

Prove: lim as x goes to 0+ of x^(sinx)=1

**Calculus B**

The Antiderivative of: (2x+3)/((x^3)+3x) This one is devinately integration by partial fractions but im not sure what i am doing wrong. PLEASE HELP.

**Calculus B**

The Antiderivative of: x(arctanx)dx It's clearly integration by parts with u=arctanx and dv=x, but after that I go down hill. HELP!

**math**

The answer is 22 The sum of the digits is 4. It is less than 100 Half of that number is 11, which is odd

**math**

Drwls - totally confused me on how this problem is done. Can someone else help to solve this problem? If two numbers are relatively prime, what is their LCM? Explain the reasoning and give 2 examples supporting the answer.

**math**

If two numbers are relatively prime, what is their LCM? Explain the reasoning and give 2 examples supporting the answer.

**Math**

A ship in calm seas steamed 13 km in one direction, turned and steamed 13 km in another direction, and then returned 12 km back to its original position. The captain then plotted the ship’s course on a nautical chart. She asked her first officer to look at the chart and d...

**Quadratic Equation**

The dimensions of a rectangle are such that its length is 3 in. more than its width. If the length were doubled and if the width were decreased by 1in., the area would be increased by 150 in.^2. What are the length and width of the rectangle?

**fractions**

if there are 648 meters vertically and 4/8 by 6 meters horizontally. how do i solve the problem?

**physics**

A loaded truck can accelerate at 6.4 m/s^2. It loses its load so that it is only 0.9 as massive. By what factor must the acceleration change for the same driving force?

**physics**

A loaded truck can accelerate at 6.4 m/s^2. It loses its load so that it is only 0.9 as massive. By what factor must the acceleration change for the same driving force?

**Calculus B**

The antiderivative of ln(2x+1) using integration by parts.

**math**

tell how many minute have passed and how many degree the minute hand has roteted from 3.33 to 3.45 -----minute pass the minute gand rotates ------degree

**Physics**

A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on box 2? (In other word...

**physics**

Thanks for your help but the answers were wrong some how. On my homework it says to answer in Newtons. I know F=ma but w/ these stipulations i don't know how to solve it

**physics**

3 part question: A 52-kg girl weighs herself by standing on a scale in an elevator. What does the scale read when: a.)the elevator is accelerating downward at 2.5 m/s2? b.)the elevator is accelerating upward at 2.5 m/s2? c.)the elevator is ascending at 10 m/s but its speed is ...

**7th grade math**

LxWxH=V (8)*(4.6)*H= 88 36.8H = 88 H=2.4m

**Physics**

2 part question, only looking for part b. a) A driver wearing a seat beat decelerates at roughly the same rate as the car it self. Since many modern cars have a "crumble zone" built into the front of the car, let us assume that the car decelerates of a distance of 1....

**physics**

A bullet of mass 0.0019 kg moving at 487 m/s embeds itself in a large fixed piece of wood and travels 0.55 m before coming to rest. Assume that the deceleration of the bullet is constant. What force is exerted by the wood on the bullet?

**math**

lynn is 6 years older than Linda.The sum of their ages is 36. What is Linda's age.

**physics**

A combination of .403 kg of water at 45.1 C, .471 kg of aluminum at 41.1 C, and .307 kg of copper at 50.4 C is mixed in an insulated container and allowed to come to thermal equilibrium. Determine the final temperature of the mixture. Neglect any energy transfer to or from the...

**Math**

I have 4 tops,6 bottoms and 3 different pairs of sandles. How many combinations can make?

**American Government**

All of the following statements correctly describe the typical independent agency except: A. it has a narrower area of responsibility than cabinet departments. B. it is divided into a number of smaller operating units. c. its employees are mostly hired through the civil servic...

**Geometry**

A = 45 radical 39

**Geometry**

The diagonal of a rectangle is 24 inches. The width is 15 inches. What is the area?

**Geometry**

12 pi radical 2 = C

**Geometry**

The area of a circle is 72pi. What is the circumference?

**us history**

One of the significant changes in atmosphere in Jefferson's administration was: the number of common people involved in government the closing of the Bank of the United States the widespread dismissal of Federalist officeholders the reinstatement of the Alien and Sedition ...

**5th grade math **

could u please show me an example

**Algebra 2**

f(x)=2.25 plus 2.75x

**Algebra 2**

f(x)=2.25 plus 2.75x

**Algebra**

y-2=.5(x-4)

**Physics**

A weight W is now placed on the block and 7.7 N is needed to push them both at constant velocity. What is the weight W of the block? Answer in units of N.

**Finance**

I've solved every problem in my assignment except for two. I only need one more to get the grade I'd like/need. I've been doing this one over and over, consistently getting wrong answers. I know the process of how to do it generally, but I feel I make mistakes in c...

**Elements and Compounds**

A formula contains numbers below the elements called__________________? The subscripts in chemical formulas tell us the _______________of particles that combine in a compound.

**science**

Scientists write symbols for compounds called _______?

**trig**

Hank rides 2 hours total on a bicycle trip into the country and back. He rode out at the rate of 20 mph and returned at the rate of 24 mph. How far into the country did Hank ride

**Calc**

Find an equation of the tangent line to the graph of the function at the given point. 1 + ln xy = e^(x-y), (1,1)

**physics**

In a tennis serve, a 7.9×10−2 ball can be accelerated from rest to 33 over a distance of 0.80. Find the magnitude of the average force exerted by the racket on the ball during the serve.

**Calc**

Show that f is strictly monotonic on the given interval and therefore has an inverse function on that interval. f(x) = abs. val. (x + 2), [-2, infinity)

**Physics**

Two thin rectangular sheets (0.29 m 0.40 m) are identical. In the first sheet the axis of rotation lies along the 0.29-m side, and in the second it lies along the 0.40-m side. The same torque is applied to each sheet. The first sheet, starting from rest, reaches its final angu...

**Calc**

Find y' for y = x/(x+y)

**Calc**

Find dy/dx for y = sq. root (2x+1) * x^3

**4th grade**

Terrance describes the amount pf money made based on the number of hours worked by the function rule y = 10h. Given this function, how much money does Terrance earn for each hour worked? Explain

**economics**

Governments support these monopolies because they are natural monopolies, i.e. in these markets the efficient market structure is a monopoly. These markets all involve high initial captial outlay and very low marginal costs, and if there was more than one firm in the industry ...

**11th grade everything :)**

3+3+3=9=1 triangle 4+4+2+2=12=1 rectangle 3+3+3+3=12=1 square 9x10=90 for 10 squares 8x12=96 for 8 rectangle 4x12=48 for 4 squares 90cm+96cm+48cm=234cm for total perimeter perimeter of triangle=s^3=s+s+s perimeter of square= l+l+w+w perimeter of square=s^4=s+s+s+s hope this he...

**Stat**

ncdf(40,1000,36,5)=.212 a) ncdf(35,45,36,5)=.543 b) its been a while so im not 100% sure if its right but i think it is :) dont forget to draw the normal curves on your assignment my teachers alwyas made me haha

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