Tuesday
May 26, 2015

Posts by Cj


Total # Posts: 250

math
solve: I=Prt, for P
March 31, 2011

math
Explain why the simultaneous equations y=1/2x+2 and 2y-x:4 have an infinite number of solutions. What is diffrent about these equations compared with the equations in the first question ( the equations were y=2x+3 and 5y-10x=5)? What is similar? ( include work to prove why and...
February 24, 2011

math
the first thing you do is divide 30000 with 100: 300 = 1% multiply it by seven to count the percentage 300x7 = 2100 multiply it by 4 to count the total via years 2100x4 = $8400 The answer is $8400 in total :)
February 24, 2011

world history
Renaissance contributed to the age of exploration by re-opening new trade routes in which increased the demand for foreign goods in europe. Sailor were willing to explore new lands not only to colonize but also for the wealth that awaited them. Also if they could find a direct...
February 21, 2011

Precalc
What is the degree of the following polynomial equation? (x+9)(x-5)(x+2)=0 1. 2 2. 3 3. 4 4. 5
February 20, 2011

Math
Draw two line segments connecting angles of the hexagon to make four quadrilaterals...
February 17, 2011

Math
A waffle cone has a width of 7.6 cm and height of 15.2cm and a chocolate coating that is 2mm thick. What is the volume of the chocolate coating? How many of these cones if they were filled up to the brim would be needed for 400 gallons of ice cream given 2 gallons is 0.01m^3? ...
February 14, 2011

Math/Trig
Write a polynomial of the smallest degree with roots 1, -3, and 4.
February 11, 2011

geometry
thank you sooo much damon :)
January 27, 2011

geometry
PLEASE HELP ME! i have this homework due tomorrow and i only have 1 question left and am sooo desperate for an answer: The diameter of the Dome of the Rock in Jerusalem is 20m. If it is plated with gold that is 5cm thick, find the cost of plating the dome in gold given that ...
January 27, 2011

Math
hey tills, i think its like this k? im unsure though.....: SA: (66x32)+ 2(1/2x63x32)+ 2(1/2x56x66):7824cm3 make a right triangle with 63 as the hypotemuse and 33 as the base. find the height from there then find the volume. to check its 3V/1024(this is 32x66)k? :)
January 23, 2011

MATH
omg tilla!! :D you totally helped. thankiess!!
January 23, 2011

MATH
Factorize the following : x4-x2-6 HELP!!!!!!
January 23, 2011

MATH
Factorize the following : x4-x2-6 HELP!!!!!!
January 23, 2011

Math/Trig
Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi.
January 20, 2011

Math/Trig
Solve: sin2 x = cos2 x for 0 degrees is less than or equal to x is less than 360 degrees.
January 20, 2011

Math/Trig
Solve: 2 sin x - 1 = 0 for 0 degrees is less than or equal to x is less than 360 degrees.
January 20, 2011

Math/Trig
Solve: 2 cos2 x - 3 cos x + 1 = 0 for 0 is less than or equal to x is less than 2pi.
January 20, 2011

Math/Trig
Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.
January 20, 2011

Math/Trig
Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.
January 20, 2011

Math
Area
January 17, 2011

Math
How do you find the height of a triangle ?
January 17, 2011

Math/Trig
Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.
January 17, 2011

Math/Trig
it says to find the radius
January 17, 2011

Math/Trig
Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.
January 17, 2011

Math/Trig
Find the area of the sector, given a central angle of 55degrees and a radius of 5.7 in. Round your answer to the nearest tenth.
January 16, 2011

Math/Trig
Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95degrees. Round your answer to the nearest tenth.
January 16, 2011

Math/Trig
Find the angular velocity of an object, rotating on a circular object, moving through 9.7 revolutions in 11 seconds. Express your answer in rad/sec and round your answer to the nearest tenth.
January 14, 2011

Math/Trigonometry
radians please
January 14, 2011

Math/Trigonometry
What is the angular displacement of 1.6 revolutions? Round to the nearest tenth.
January 14, 2011

Math/Trig
The following is a table for the maximum temperature per month, for Boulder, CO Month|° F Jan:45.1 Feb:48.2 Mar:53.8 Apr:62.8 June:71.6 July:81.5 Aug:85.1 Sept:76.6 Oct:66.7 Nov:52.9 Dec45.5 Find the sinusoidal function that models this data. How do I do this ?
January 14, 2011

Trigonometry
Using the same equation from problem 1, what is the average temperature in Atlanta, GA, for the month of June? equation from #1 is y = 18.25 sin(pi/6 t - 2.09) + 61.15 where t is the time in months and January is t = 1.
January 14, 2011

Math/Trig
Thankyou!
January 14, 2011

Math/Trig
The average temperature, in °F, for Atlanta, GA is modeled by the sinusoidal function y = 18.25 sin(pi/6 t - 2.09) + 61.15 where t is the time in months and January is t = 1. What is the average temperature for the month of February? How do I do this problem ? Please Help
January 14, 2011

Trigonometry/ Please Help
Given sine of alpha=2/3 and cosine of alpha is less than zero, find the exact value of the other five trigonometric functions.
January 13, 2011

Trigonometry
Verify the identity: cos x + sin x tan x = sec x.
January 13, 2011

Trigonometry/ Please Help
Find two exact values of sin(cosˉ¹√5/6)
January 13, 2011

Trigonometry
Given sinθ=0.76, find θ in degrees to the nearest tenth.
January 13, 2011

Math
If sinθ=1/5 and θis in Quadrant I, find the exact value of 2θ.
January 13, 2011

Math/Trigonometry
Thankyouu
January 13, 2011

Math/Trigonometry
Find the exact value of cosθ if sinθ=-2/3, and θis in standard position with its terminal side in Quadrant IV.
January 13, 2011

Trigonometry/ Please Help
Thankyouuu!
January 13, 2011

Trigonometry/ Please Help
The average temperature, in °F, of City B is given by the equation:y=19.5sin(pi/6t-2.06)+62 , where t is the time in months and t = 1 corresponds to January. What is the average temperature in April? Round your answer to the nearest hundredth.
January 13, 2011

math
The rhombus is a parallelogram with four congruent sides. A square is a special case of a rhombus.
January 13, 2011

math
yes 26x90=2340
January 13, 2011

math
4, 6, 8, 9, 10, 12, 14, 15, 16, 18
January 12, 2011

Math/Trigonometry
Convert 2pi/3 radians into degrees.
January 12, 2011

Help please Trig
Given sinθ=0.76, find θ in degrees to the nearest tenth.
January 12, 2011

Math/Trigonometry
1. Solve: 2 cos² x - 3 cos x + 1 = 0 for 0 ≤ x < 2pi. 2. Solve: 2 sin x - 1 = 0 for 0° ≤ x < 360° 3. Solve: sin² x = cos² x for 0° ≤ x < 360° 4. Solve: sin x - 2sin x cos x = 0 for 0 ≤ x < 2p
January 12, 2011

Math/Trig
Find the length of the intercepted arc, given a central angle of 3pi/5 and a radius of 4.5 cm. Round your answer to the nearest tenth.
January 12, 2011

Trigonometry
Solve △ABC, given a = 4.4, b = 9.1, and c = 5.7. Round your answer to the nearest tenth.
January 12, 2011

Trigonometry
Find the area of a sector, given a central angle of 240° and a radius of 15 cm. Round your answer to the nearest tenth please.
January 12, 2011

Trigonometry
Determine sin x - tan x - sin x=0 for 0 ≤ x < 360°
January 12, 2011

math math math math
46
January 10, 2011

Math
3/2(4x-6)-x(3-x)=1/3x(3x-6)
December 17, 2010

social studies
how was the writing of the grito de dolores similar to the writing of the petition by the first continental congress
December 16, 2010

6th grade
does f=7.1
December 8, 2010

6th grade
0.4/2.4=f/6 Dont know how to solve please explain so i can know thank u
December 8, 2010

physical
in volley ball is it an illegal hit if you hit it underhand while ball is in play
December 6, 2010

math
Thank you I didnt think I could but just wanted to be sure.
December 6, 2010

math
Write at least two equivalent fractions for each whole number Can I do this with the number zero?
December 6, 2010

4th grade
you have to see how many minutes are in a year [hard way] you take that number and multiply it by 25
December 6, 2010

5th grade
isosceles triangle
December 2, 2010

2nd grade
ten=1 ones=2
November 29, 2010

Economics
what is meant by the term utility and how does it relate to purposeful behavior?
November 22, 2010

PHYSICS/ GRAVITATIONAL CONSTANT
I DID THAT BUT THE ANSWER IS WRONG. IDON'T KNOW WHY
November 12, 2010

PHYSICS/ GRAVITATIONAL CONSTANT
Three masses are arranged in the (x,y) plane. The X and Y units are meters 4kg at (-1,5 3kg at (1,1) 5kg at (0,0) What is the magnitude of theresulting force on the 5kg mass at the origin? The universal gravitational constant is 6.673e-11 N*m^2/kg^2. Answer in units of N.
November 12, 2010

chemistry
A 2.85 g sample of an unknown chlorofluorocarbon is decomposed and produces 558 mL of chlorine gas at a pressure of 756 mmHg and a temperature of 298 K.What is the percent chlorine (by mass) in the unknown chlorofluorocarbon?
November 8, 2010

Algebra
I know the answer to the question, but don't know how to write it out. What is the percentage of increase from 58,000 to 89,000.
October 31, 2010

physics
Can an adult male be rescued from a fall by tying a rope to a car's axle?
October 9, 2010

physics
A car starts from rest and accelerates uniformly over a time of 6.5 seconds for a distance of 150 m. Determine the acceleration of the car.
October 7, 2010

science
what events or objects were studied in Hubble's paper A RELATION BETWEEN DISTANCE AND RADIAL VELOCITY AMONG EXTRA-GALACTIC NEBULAE?
October 3, 2010

physics
A deep mountain valley is separated by two vertical cliffs. One cliff is 600 meters high and the other is 400 meters high. A cable car runs from the foot of each cliff to the top of the other cliff. At what height above the ground do the two cable cars cross? Be sure to draw a...
September 19, 2010

Physics/math
A deep mountain valley is separated by two vertical cliffs. One cliff is 600 meters high and the other is 400 meters high. A cable car runs from the foot of each cliff to the top of the other cliff. At what height above the ground do the two cable cars cross? Be sure to draw a...
September 18, 2010

7th grade math
Write and simplify an expression for the perimeter of the triangle. side A)3x, side B) 5x-4 and side C)2x+5. Thank you!
September 12, 2010

7th grade Math
Write and simplify an expression for the perimeter of the rectangle. side A=x+6 Side B=4x-5. Thank you!
September 12, 2010

7th grade
Write and simplify an expression for the perimeter of the triangle. side A-4x+3, side B-6X and side C-3x-1. Thank you!
September 12, 2010

9th grade
Explain how to workbackwardfrom a constant second diffrence to extend the following sequence 1,6,16,31,51,76,...
September 6, 2010

math
write an example of the associative proerty of addition.
August 25, 2010

Statistics
Hello...I need help with the following question, I have the answer but am not sure how to solve it. Any help would be greatly appreciated. Thank you What is the 'z' value assuming the normal distribution applies in a right-tailed test within area equal to .01? Answer: ...
July 25, 2010

college algebra
how to solve this problem. Completing the square. Find the value of a such that u^2-8u+a is a perfect square
July 1, 2010

Criminal justice system 250
Why is it important for a security professional to know specifics about the particular target environment to which they are assigned? How can experienced security professionals prepare themselves for challenges and opportunities they have never encountered before? Is it ...
May 13, 2010

trig
verify: cot(-t)+csc(-t)/sin(-t)=1/1-cos(t)
May 3, 2010

Statistics - Is it from Normal Distribution
I think I know how to answer the following question IF I assume that the distribution is normal - however, since the question doesn't say that it comes from a normal distribution - should I proceed differently? Question reads: The mean IQ among members of a club is 118 ...
April 28, 2010

Statistics
The applet is great! But I wonder, given the information I have, can I assume that the distribution is normal? (The mean IQ among members of a club is 118 with a standard deviation of 9.46. What percentage of the members had IQ scores of 115 or higher?) If it isn't normal...
April 28, 2010

Statistics
The mean IQ among members of a club is 118 with a standard deviation of 9.46. What percentage of the members had IQ scores of 115 or higher?
April 28, 2010

science
Follow on the Sall Sue question earlier. What frequency would be required for sally and her cheerful and hard-wroking partner to produce the standing wave with three nodes. Identify the steps.
April 23, 2010

physics
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave sally sue sent ...
April 22, 2010

economics
Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave sally sue sent ...
April 22, 2010

physics help
remember that the boat moves as well...the dog is a system and the boat is a system
March 26, 2010

Physics
I'm having trouble understanding which formula to use to answer this question. What is the apparent weight of an astronaut weighing 77kg shortly after blasting off in a roacket at an upward acceleration of 80/meters per second squared? I know he/she will feel about 3 times...
January 31, 2010

Science
I can find anything on these questions I need to answer to pass year nine. My teacher said he doesn't matter where the answers come from as long as I pass and don't have to repeat. PLEASE HELP ME! Due tomorrow! 1. List 5 latest developments in sports footwear. Describe...
December 3, 2009

high school
alkali is a metal not encluding hydrogen and it is very reactive metals
September 21, 2009

math
in subtraction: what does it mean to front-end estimation when you subtract 59 from 16
September 17, 2009

social studies
I need help on finding information on the Patriot (American Revolution)about reports on battles won and reports on battle lost.
November 16, 2008

statistics
7.62
November 6, 2008

Limits
Find the limit of sin4x/(sqrt(x)) as it approaches positive infinity.
October 23, 2008

Math
the area of a cirlce is 460ydsq. Find the radiusbof the circle.
October 13, 2008

Chemistry
The symbol is supposed to represent the change in temperature for the solution.
October 13, 2008

Chemistry
I forgot to add that the Hrxn is -112.3.
October 13, 2008

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