Wednesday

February 22, 2017
Total # Posts: 22

**deferential calculus**

a woman is walking at the rate of 5 feet per second along the diameter of a circular courtyard. a light at one end of a diameter perpendicular to her path casts a shadow on the circular wall. how fast is the shadow moving along the wall when the distance from the woman to the ...

*December 1, 2016*

**Algebra**

xis what needs to be eliminated. . . my teacher already try eliminated the z

*April 25, 2016*

**Algebra**

Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer she said the solution set for this should be...

*April 25, 2016*

**Algebra I DONT KNOW HOW TO DO 3 VARIABLES**

Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer she said the solution set for this should be...

*April 25, 2016*

**Algebra SOLVING LINEAR EQUATIONS AND INEQUALITIES**

Please help Im am Grade 5 and my teacher is letting me do this. 1. Solve the solution by using elimination and substitution 3/x - 2/y = 14 6/x + 3/y = 7 2. Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) ...

*April 25, 2016*

**physics**

a ball is launched from the top of a 23 m high cliff with a velocity of 33 m/s oriented 12 degrees above the horizonal. Determine the time it takes for the ball to hit the ground.

*February 16, 2016*

**probability**

The random variables X and Y have the joint PMF pX,Y(x,y)={c⋅(x+y)2,0,if x∈{1,2,4} and y∈{1,3},otherwise. All answers in this problem should be numerical. Find the value of the constant c. c= Find P(Y<X). P(Y<X)= Find P(Y=X). P(Y=X)= Find the following ...

*February 27, 2014*

**Math**

The answer is 36 1/18 ft.

*March 1, 2013*

**Statistics**

The time required to make 900 gallons of synthetic rubber at a plant in South America in a recent year was normally distributed with a mean of 15 hours and a standard deviation of 2.5 hours. What is the probability that it will take more than 17 hours to make 900 gallons of ...

*February 25, 2011*

**Math**

I am outside the path. outside numbers 8,10,3,7)I am the difference of 2 numbers inside the path. Inside umbers are (2,6,9,10)I am less than 5. What number am I? I am inside the path. Inside numbers (2,4,6,7,9)`I am the difference of 2 numbers outside the path. Outside numbers...

*October 5, 2010*

**Math**

I am inside the path. (inside numbers 7,6,9,3) I am the difference of 2 numbers outside the path oyside numbers(7,8,5,6). What number am I? Use addition facts to help you.

*October 5, 2010*

**math**

what part of an hour is 45 minutes? Give answer in lowest term.

*July 13, 2010*

**math**

What part of a yard is 24 inches? Give answer in lowest terms.

*July 13, 2010*

**math**

express 3/8 in thirty seconds

*July 13, 2010*

**math**

express 3/4 in sixty-forths

*July 13, 2010*

**business 115**

List your references according to APA guidelines in the space below. You are required to use at least one outside source to support your viewpoint, and this source can be the textbook.

*July 12, 2010*

**business115**

When disasters hit an area, the cost of everything seems to go up immediately: food, water, housing, gas and so forth. Explain why this phenomenon may be a good thing, using the laws of supply and demand to explain your answer.

*July 12, 2010*

**business 115**

What advantages might a socialist system have in responding to the needs of people struck by an emergency situation like the earthquake that occurred in Haiti in January, 2010?

*July 12, 2010*

**business 115**

No one can predict a natural disaster or world crisis. When a hurricane or flood or a pandemic strikes a country, who is most likely to respond first? Which economic system is the best solution to handling a crisis of epic proportion?

*July 12, 2010*

**tsu**

While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 275 m east, 160 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

*March 5, 2010*

**Math 1**

Oh, and the numbers are: Set of ordered pairs: (-3,-5) (0,-3) (3,-1) for problem 1 and for problem 2: (-2,4) (-1,1) (0,0) (1,1) (2,4) TY!!

*August 17, 2009*

**Math 1**

Functions in their Various Representations: Table Mapping X|Y X Y | (Big circle) --- (big circle) | | | And theres also a graph, to graph it. Help? Thanks!

*August 17, 2009*

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