Sunday

January 22, 2017
Total # Posts: 1,617

**Math-Algebra 1**

1920/10 = 192 24*8= 192

*May 2, 2012*

**Algebra**

Write an equation in standard form (slope-intecept form) of the line passing through the pair of points (3,4) and (5,8) containing point (5,9) and parallel to the line.

*May 1, 2012*

**Algebra**

I am still having trouble solving this problem. Use the quadratic formula to solve this equation: 4k(k+13)=13

*April 26, 2012*

**Algebra**

sqrt(q^2+7q+6)-q-3=0

*April 26, 2012*

**Algebra**

Use the quadratic equation to solve the equation: 4k(k+13)=13

*April 26, 2012*

**Algebra**

Solve for "x" using the quadratic formula: X^2-4x-21=0

*April 26, 2012*

**Algebra**

3 divided by 5 times the square root of 5 + 3 times the square root of 2. (This problem is written as a fraction.)

*April 25, 2012*

**Algebra**

Square root of (q^2+7q+6) minus q minus 3=0. Minus 3 and minus q are not under he radical sign.

*April 25, 2012*

**Algebra**

12 times square root of (z-1)= 3 times the square root of (3z+1050)

*April 25, 2012*

**Algebra**

(8-i)^2(8+i)^2

*April 24, 2012*

**Algebra**

(8-i)^2(8+i)^2

*April 24, 2012*

**Algebra**

(6 times square root of 3 + square root of 5)(square root of 3 - 4 times the squae root of 5)

*April 24, 2012*

**Algebra**

Multiply: (6 times square of 5 + square root of 5)(square root of 3 - 4 times square of 5) Note: How do I type the symbol for square root?

*April 22, 2012*

**Algebra**

Simplify the root. The square root of (-x)^14. Why is the answer the absolute value x^7?

*April 18, 2012*

**Health Science**

Implementation of informatics has shown to be effective in many areas of health care. Perform a brief literature review and discuss one area that has shown significant savings in the operating budget.

*April 16, 2012*

**economics**

one of the things that works to make sure consumers keep getting better products at better prices is

*April 15, 2012*

**math**

is 32oz a half gallon

*April 15, 2012*

**English**

1. what sources should you include in your works cited list? a. all of the sources that you read whether you used them in the paper. b. only the sources that have a parenthetical citation in your paper. c. most of the sources that have a parenthetical citation in your paper. d...

*April 8, 2012*

**Algebra**

(7/w+2)+(-8w-2/w^2+2w)-(6-w/w)

*April 5, 2012*

**Algebra**

y-(3y-7)/7 divided by(20/14)+5/2y

*April 5, 2012*

**Algebra**

y=kx/wz

*April 4, 2012*

**Algebra**

Determine whether the equation represents direct, inverse,joint,or combined variation. y=31x/wz If it is combined, please explain to me.

*April 4, 2012*

**Algebra**

y-3y-7/7/20/14+5/2y

*April 3, 2012*

**Science**

d potential energy

*April 2, 2012*

**algebra**

Add or subtract as indicated. 5x/x+3+28/x-3-90/x^2-9

*April 1, 2012*

**algebra**

z varies directly as x^2. If z=36 when x=3,find zwhen x=4.

*March 30, 2012*

**Math**

if a rifleman averages 8 hits out of 10 shots at a target, what is the probability that he will hit the target in 3 out of 4 shots

*March 29, 2012*

**Statistics**

if a rifleman averages 8 hits out of 10 shots at a target, what is the probability that he will hit the target in 3 out of 4 shots

*March 29, 2012*

**physics**

The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does this wave carry through the window during a ...

*March 27, 2012*

**Algebra**

Problem: $6300 is invested, part of it at 12% and part of it at 9%. For a certain year, the total yield is $660.00. How much was invested at each year?

*March 24, 2012*

**algebra**

Question #1 The price of 7 citrons and 10 fragrant wood apples is 88 units. The price of 10 citrons and 7 fragrant wood apples is 82 units. Find the price of a citron and the price of a wood apple. I used 17x=170?????? Question #2 $6300 is invested, part of it at 12% and part ...

*March 24, 2012*

**pre-algebra**

3.5 yers

*March 23, 2012*

**algebra**

I do not understand this problem: Factor by grouping: 1-c+cy-y

*March 22, 2012*

**physics**

22.57 J

*March 21, 2012*

**algebra**

800 is 22% of what number

*March 3, 2012*

**Health**

Maintaining a healthy diet can protect you from? A. Alcohol abuse B. Drug abuse C. Sickle cell disease D. Some cancers

*March 1, 2012*

**Human Service**

when is it inappropriate to share a hunch? Why?

*February 27, 2012*

**programming logic**

The program will accept user input to store the student's first and last name . If the name is ZZZ, then the program will end. The program will accept: a text entry for the class number (e.g., CGS 1000, COP 1000, etc.) a numeric value for the class grade a value of ZZZ ...

*February 20, 2012*

**algebra**

Find A ∪ B. (Enter your answers as a comma-separated list.) A = {2, 4}, B = {0, 1, 2, 3, 4, 5}

*February 16, 2012*

**science**

heck yea

*February 16, 2012*

**science**

When girls get pregnant, how do they babies get defected?

*February 16, 2012*

**algebra**

Al has 76 nickels and dimes worth$5.55. How many of each coins does Al have?

*February 15, 2012*

**statistics**

How is the rejection region defined and how is that related to the z-score and the p value? When do you reject or fail to reject the null hypothesis? Why do you think statisticians are asked to complete hypothesis testing? Can you think of examples in courts, in medicine, or ...

*February 14, 2012*

**physics**

A 1 500-kg car rounds an unbanked curve with a radius of 52 m at a speed of 12 m/s. What minimum coefficient of friction must exist between the road and tires to prevent the car from slipping? (g = 9.8 m/s2)

*February 9, 2012*

**statistics**

Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?

*February 1, 2012*

**ecology**

In what environments would you expect obligate homeotherms to have the most significant advantages, and in what environments might facultative homeotherms have an edge?

*January 29, 2012*

**Managerial Economics**

The demand function for a cola-type soft drink in general is Q = 20-2P, where Q stands for quantity and P stands for price. At which price would a change in price and quantity result in approximately no change in total revenue? Why?

*January 28, 2012*

**statistics**

250 out of 500 students is going to give you 0.5. After that you will need to multiply that number by 360. your equation will look something like this: 0.5 x 360 = 180 your welcome! :)

*January 28, 2012*

**physics**

A cat that has a mass of 6 kg climbs to the top of a tree that is 20 m high. How much potential energy does the cat have at the top of the tree?

*January 26, 2012*

**British literature**

the answer is NOT B. he's basically confessing to murdering his wife and destroying her happiness when she didn't follow his orders. knowing that, it rules out everything else but......

*January 24, 2012*

**physics**

a .300 kg baseball is thrown at a speed of 6.5m/s. the batter hits the ball and it flies into the outfield at a speed of 19.2 m/s. How much work is done into hitting the baseball

*January 22, 2012*

**geometry**

the coordinate of p are (-2,5) and the coordinates of q are (6,1). a.what is the slope of pq? b.what is the equation? c.what are the coordinates of the mp of pq? d. what is the eqquation of the perpendicular bisector of pq?

*January 19, 2012*

**Finance**

A bond that has a $1,000 par value (face value) and a contract interest rate of 11.9. The bonds have a current market value of $1,120 and will mature in 10 years. The firm's marginal tax is 34%. What is the cost of capital from this bond debt?

*January 15, 2012*

**physics**

1----------2 - - - - - - - - - - 3-----------4 Sorry this is a horrible square but I couldn't copy the image. The A is on corner 1 and the two charges are on corners 3 and 4.

*January 12, 2012*

**physics**

Two tiny objects with equal charges of 59.0 µC are placed at two corners of a square with sides of 0.355 m, as shown. How far above and to the left of the corner of the square labeled A would you place a third small object with the same charge so that the electric field ...

*January 12, 2012*

**preap physics**

In joules

*January 11, 2012*

**preap physics**

A 15.4kg block is dragged over a rough horizontal surface by a constant force 191N acting at an angle of 25.3 degrees above the horizontal. The block is displaced 80.4m and the coefficient of kinetic friction is. 2 A) find the magnitude of the work done by the force of ...

*January 11, 2012*

**Science**

If blue eyes are dominant to green eyes, and two parents have a 50% chance of producing offspring with green eyes. What must the genotypes and phenotypes be for the parents of the offspring. Complete a punnett square to answer this question.

*January 11, 2012*

**math**

array of stickers using the product of3 times 15

*January 9, 2012*

**finance**

14–1. (Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $400 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will...

*January 3, 2012*

**Beginner Chemistry!**

5.460 x 10^4

*December 19, 2011*

**Math grade 6**

Evaluate 4x for each value of x. write the answer in simplest form. x = 3/8

*December 15, 2011*

**geometry**

for kite ABCD, if RA=15, and BD= 16, find AD

*December 14, 2011*

**Calculus**

straight line has a distance of 1 mile

*December 14, 2011*

**Calculus**

Assuming the earth is a perfect sphere of raius 3950 miles, find (in inches) d. d, is the difference between the arc and a straight line.

*December 14, 2011*

**Physics**

Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N, and the other east and at an angle of 30° northward and a tension force of 40 N. Find the components of the net force on the cart. Show all your work.

*December 10, 2011*

**Physics**

An airplane wing is designed so that the speed of the air across the top of the wing is 274 m/s when the speed of the air below the wing is 193 m/s. The density of the air is 1.29 kg/m3. What is the lifting force on a wing of area 25.0 m2? ...

*December 8, 2011*

**Chemistry**

What is the molarity of OH- in a 7.83×10-3 M NaClO solution that hydrolyzes according to the equation. ClO-(aq) + H2O(l) = OH-(aq) + HClO(aq) The information they give is that constants Kh=2.86E-7 I know how to solve the problem when the constant Kw is involved (1E-14) i...

*December 5, 2011*

**trig**

We are doing trig identities in school. I need help with these five: 1.1+sinx/1-sinx=cscx+1/cscx-1 2.tanx+sinx/1+cosx=tanx 3.sec^2x/sin^2x=1/sin^2x+1/cos^2x 4.tan^2x/1+tan^2x=1-cos^2x 5.sinx-sin^3x/cos^3x=tanx

*December 4, 2011*

**Math**

Also, do i have to use numbers like 5.99 and 6.01 to find the rate of change @ t = 6s

*December 3, 2011*

**Math**

Do i have to make a tangent line?

*December 3, 2011*

**Math**

How do i figure out the instantaneous rate of change with given graph and it says find the rate at t = 6 s

*December 3, 2011*

**Math**

Thanks~ I understand #2 now. If I have more questions, do I post them here or post a new question?

*December 3, 2011*

**Math**

is it $49 or 4900? you said R(6) = -36 + 72 + 13 = 49

*December 2, 2011*

**Math**

Can someone help me with these questions? 1.What are the maximum and minimum values for Y=28(1.21)^x on the interval 0<x<12? a) 275.8 and 0 b) 275.8 and 28 c) 249.7 and 28 d) 188.4 and 28 2. For what value of x does the maximum or minimum of f(x)= x^2 +8x + 12 occur? Is ...

*December 2, 2011*

**Math-Help asap please~**

Oh wow thanks~

*December 1, 2011*

**Math-Help asap please~**

somebody? :|

*December 1, 2011*

**Math-Help asap please~**

how did you get h^2/2?

*December 1, 2011*

**Math-Help asap please~**

= 0.5(-6+h)^2 + 6(-6+h)+ 7.5 - (-10.5)/h *

*December 1, 2011*

**Math-Help asap please~**

For each function, the point given is the maximum or minimum. Use the difference quotient to verify that the slope of the tangent at this point is zero. a) f(x) = 0.5x^2 + 6x + 7.5; (-6, -10.5) Difference quotient is f(a + h) - f(a)/h m= f(a+h) - f(a)/h = f(-6+h) - f(-6)/h = 0...

*December 1, 2011*

**Statistics**

True or False: If the value of the correlation, r, is zero then there is no association between the two quantative variables.

*December 1, 2011*

**Statistics**

In the July issue of Archives of Neurology, researchers reported studying the smoking habits of 12000 people (3000 with Parkinson's disease and 9000 healthy people). They found that those who had smoked the most (the equivalent of a pack a day for 60 years) had the lowest ...

*December 1, 2011*

**Statistics**

The weights of trout in a certain river follow a normal distribution with mean 3 pounds and standard deviation 0.8 pounds. What proportion of trout weigh between 3.2 pounds and 4.8 pounds? a.) .3891 b.) .9972 c.) .9452 d.) .5865

*December 1, 2011*

**math**

I still need a answer plz!!!

*November 30, 2011*

**math**

sorry about that the fraction is negative

*November 30, 2011*

**math**

how do you do one third (h) is less than or equal to 7? do you need to reciprocate the fraction?

*November 30, 2011*

**Math**

Could someone answer this question so I understand it. The answer is 28.0, but i'd like to know how to do it. Thanks Randomly selected cars were weighed, and the highway fuel consumption amounts (in miles/gal) were determined. For 20 cars, the linear correlation ...

*November 30, 2011*

**Statistics**

I have the answer to this question,, but i'd like to know how to do it. I need help finding z. Any help would be great. Thanks. Children and McDonaldfs In a Sports Illustrated for Kids survey of 603 children, 43% preferred McDonaldfs for fast food. The next ...

*November 28, 2011*

**Geometry**

The piolet of a single-engine airplane flies at a constant speed of 200 km/h at a bearing of N 25 degree E. There is a 40 km/h crosswind blowing southeast (S 45 degress E). What are the plane's actual speed and direction? Round the speed to the nearest tenth and the ...

*November 28, 2011*

**Geometry**

thank you soo much :)

*November 28, 2011*

**Geometry**

To reach a campsite, a hiker first walks for 2 mi at a bearing N 40 degree E. Then He walks 3 mi due east. What are the magnitude and direction of his hike from his stating point to the campsite? Round the distance to the nearest tenth of a mile and the direction to the ...

*November 28, 2011*

**human resources**

A job description is like a deed of property ownership and describes what the job includes and what must be done to adequately perform the job. In some ways these job descriptions limit management's rights or opportunities to change job requirements at will and as such ...

*November 27, 2011*

**computers**

Suppose the information portion of packet (D in figure 5.4) contains 10 bytes consisting of the 8-bit unsigned binary ASCII representation of string “Link Layer.” Compute the internet checksum for this data. Can someone explain to me how is this done? Info in D is: ...

*November 26, 2011*

**math~ helpp pplease**

Thanks and no, it doesn't state whether or not its a parabola, etc. f(3) = 5? isn't x=3 and y=5? also, how is f(-x+1) = 1 :S did you factor out the negative?

*November 24, 2011*

**math~ helpp pplease**

(3,5) is a point on the graph of y = f(x). Find the corresponding point on the graph of each of the following relations a) y=3f(-x + 1) + 2 what do I do with the negative sign before the x (-x)?

*November 24, 2011*

**econ**

2. Suppose that firms in an industry have the following cost function: C = 100 + 0.25q2, and the industry faces an inverse demand curve of P = 90 – 2Q. a. I f the industry is competitive, find the long-run equilibrium price, quantity, and profit of a typical firm. How ...

*November 18, 2011*

**econ**

12. A monopolist faces a constant marginal cost of $1 per unit. If at the price he is charging, the price elasticity of demand for the monopolist’s output is –0.5, then

*November 18, 2011*

**geometry**

The width of a rectangle is 6 cm less than its length. If the area of the rectangle is 135 square cm, find the dimensions. Then find the perimeter of the rectangle.

*November 15, 2011*

**world history**

cambodia is the answer right ?

*November 15, 2011*