Total # Posts: 1,093
Help Math One Queation
A cone-shaped container has a height of 9 in. and diameter of 2 in. It is filled with a liquid that is worth $2 per cubic inch. What is the total value of the liquid in the container? Use 3.14 for ? . Anyone who knows the answer are just willing to help .. help pleases
February 15, 2017
4th Grade math
A pitcher contains a liquit mixture of water and lemon juice. The water makes up 2/5 of the weight of the liquid mixture. There are 30 ounces of water in the pitcher. How much lemon juice is in the pitcher?
February 7, 2017
Out of the experience of an extraordinary human disaster [Apartheid] that lasted too long, must be born a society of which all humanity will be proud. The time for the healing of the wounds has come. The moment to bridge the chasms that divide us has come. Never, never and ...
December 9, 2016
algebra 2a solving systems using matrices
write the system of equations represented by the matrix [0 1 2 4] [-2 3 6 9] [1 0 1 3] a: x+2y=4 -2x-3y+69=0 x+y=3 b: x+2y=4 -2-3y+6=9 x+y=3 c: y+2z=4 -2x+3y+6z=9 x+z=3 d: x+2z=4 -2x-3y+6=9 think its A
December 2, 2016
A car was purchased for $3,495 and will depreciate 20% each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will not be worth anything in five years. Do you...
November 16, 2016
Molarity is another way of saying molar concentration. If you know the formula for molarity you will see that the change in volume will affect the molarity of a solution. The more water you add the more you will dilute the solution.
November 10, 2016
Determine an upper/lower estimate for the area under the curve f(x) = cos x between x = 0 and x = pi/2 . Show how you arrive at this estimate. This is the question that my teacher wanted us to answer and I'm not sure how to even start the process. Should I use Reimann'...
October 29, 2016
A baseball team plays in a stadium that holds 68000 spectators. With the ticket price at $11 the average attendence has been 27000. When the price dropped to $10, the average attendence rose to 34000. Assume that attendence is linearly related to ticket price. What ticket ...
October 15, 2016
Give an example of a function with a critical point that is neither a maximum nor a minimum. Specify the relevant point(s). This is what I have and this is what I got wrong... A function with a critical point that is neither a maximum nor a minimum would be f(x)=x^2 if F(x) = ...
October 2, 2016
Also, just got the news that we can not use the Pythagorean theorem b/c its not a right triangle that is why we are using the law of cosines...UGH!! If there is any other way to go about this please PLEASE HELP!
September 30, 2016
Okay this is what I got... Minute hand = a = 8 Hour hand = b = 4 Distance between a---b = c And we are looking for dc/dt = ? The law of cosine states c^2 = a^2 + b^2 2ab cos (c) So C^2 = 8^2 +4^2 2(8)(4) cos (c) Take derivative 2c * dc/dt = 0 + 0 + 2(8)(4) sin (c...
September 30, 2016
Hello! I need help with this problem, its been irritating me for days! Any help would be greatly appreciated! Heres the question.. The minute hand on a watch is 8 mm long and the hour hand is 4 mm long. How fast is the distance between the tip of the hands changing at 10...
September 30, 2016
a ball is thrown upward from a bridge with a speed of 48 ft/s. It misses the bridge on way down and lands in water 160 ft. below. Find how long the ball rises, how high it goes, how long it is in the air, and its velocity when it strikes the water.
September 26, 2016
A infinite wire carrying a current 5A is bent at right angle find the magnetic Induction at a point on the perpendicular to the wire through its point of bending at a distance 35 cm from the corner
September 25, 2016
What major advantage did the colonists have over the British during the Revolutionary War? A. colonists had more supplies than the British B. colonists had European support C. colonists had a better knowledge of the land than the British D. colonists had more soldiers than the...
September 23, 2016
One:the sI unit measure for length the meter-would be most appropriate when Two:The metric System Of measurement is based on the number Three: Scientists use SI because it allows them to compare data and communicate with each other about their results (true/False ~Mia
September 9, 2016
The graph above shows the relationship between the time it takes in minutes for Rosina to walk versus run to different destinations. Give a written interpretation of the slope of the function.
July 13, 2016
A dead heart can start beating words with no sound can be known Where eyes can tell a story And you dream of the unknown Where your life can take you places But your thoughts are your true home When a smile is not yours But you happy that it was loaned ..........what am I ?
June 26, 2016
many ground level plants in tropical rainforest have adapted to the shade of the forest canopy. these plants tend to function well as house plants since they require minimal sunlight. A botanist is interested in domesticating a particular plant found in the amazon rainforest...
June 22, 2016
Which statement best describes Yokohama? (A) Yokohama is an ancient political center. (B) Yokohama is a rural farm village. (C) Yokohama is a large crowded city. (D) Yokohama is an important mining town. i think b.
March 3, 2016
An electrical circuit switches instantaneously from a 3 volt battery to a 22 volt battery 8 seconds after being turned on. Sketch on a sheet of paper a graph the battery voltage against time. Then fill in the formulas below for the function represented by your graph.
January 28, 2016
Two very good family friendly movies. Toy story is about toys that talk. Inside out is about charters that are in are brain. Inside out a toy story has a lot in common. They both have sadness and joyful moments the are funny and family friendly and the best part is you don...
January 21, 2016
A 1500 kg car traveling West at 90.0 km/h collides with a 1400 kg truck traveling North at 72.0 km/h.The two vehicles entangle after the collision and head off as one. What is the velocity of the wreckage immediately after the collision?
January 4, 2016
Like dissolves like is actually a good way to look at it but to fully explain... The four bonds of carbon CCl4 are polar, but the molecule is nonpolar because the bond polarity is canceled by the symmetric tetrahedral shape. The electrons on H2O are unequally shared, with the ...
December 6, 2015
On a periodic table bond lengths increase from right to left then bond the periodic table. Since these elements(N,P,AS, and Sb) are all in the same group you can just go down. Than is why Sb is the highest. The bond strength is dependent upon the bond length. The longer the ...
December 6, 2015