Thursday
November 27, 2014

Posts by heaven


Total # Posts: 34

Algebra
Solve the problem using matrices. John has a jarful of quarters and nickels. There are 84 coins in the jar. The value of the coins is $13.00. How many of each type of coin are there? A) 49 quarters ; 35 nickels B) 44 quarters; 40 nickels C) 79 quarters; 5 nickels D) 40 ...
November 23, 2014

math
The perimeter of a rectangle poultry farm is 38 meters if 3 meters are subtracted from its length as well as the breadth the length will be two times the breadth find the area of the farm
September 17, 2014

Math
•Explain in your own words what the meaning of domain is. Also, explain why a denominator cannot be zero.
May 1, 2014

math
Why a rectangular prism composed of 2 unit cubes has 6 faces. How do its dimensions compare to a unit cube
February 18, 2014

prealgebra
easy one OK. so if jack has a bike that he got for 50 dollars less than the original price so if the bike was 50 dollars less than the original price how much did he pay for the bike. write and equation and solve it.
October 21, 2013

Summer Creek
An isosceles triangle has legs that are each x inches long a base that is y inches long. The perimeter of this triangle is 38 inches. The base is 8 inches shorter than the length of a leg.
June 15, 2013

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013

physics
a train starts from rest and accelerates unifotmly, until it has travled 3.7 km and acquired a velocity of 30 m/s. the train then moves at a constant velocity of 30 m/s for 410 s. the train then slows down uniformly at 0.065 m/s^2, until it reaches a halt. what distance does ...
June 10, 2013

US History
Why did President Reagan aim to reduce government regulations?
May 8, 2013

US History
What theory was President Reagan's economic program based on?
May 8, 2013

US History
What were the effects of Reagans increased spending on US defense to counter Soviet threats?
May 8, 2013

Algebra 1
How exactly do you find/solve a Perfect Square Trinomials and factoring them?
April 10, 2013

accounting please help
Phil Phoenix is paid monthly. For the month of January of the current year, he earned a total of $8,288. The FICA tax rate for social security is 6.2% and the FICA tax rate for Medicare is 1.45%. The FUTA tax rate is 0.8%, and the SUTA tax rate is 5.4%. Both unemployment taxes...
March 11, 2013

5th Grade math
567
August 31, 2012

algebra
solve graphically,giving real roots to the nearest tenth. x2-4x+3=0
May 6, 2012

Math
Katie is 3/5 of the way to Brianna's house. Larry is 7/10 of the way to Brianna's house. How much closer to Brianna's house is Larry?
February 23, 2012

Pre- Algebra
Can someone please explain how to do this problem: 7n-5=10n+13
February 15, 2012

math
find the value of -18 + l-12 l show steps. find the value of -l 23- 14 l show steps.
January 19, 2012

math
an oceangraphic research vessel comes across a volcano under the sea. The top of the volcano is 450 ft below the surface and the sea floor is -6,700 below sea level. what is the height of the volcano? show what you are doing to get your answer, explain.
January 19, 2012

math
which number in each pair is greater? how do you know? -31 and -42 -18 and 0
January 19, 2012

science
ice scrapes and loosens rock particles.what is thais an example of?
October 31, 2011

math
ok thanks soo much!
October 21, 2011

math
the prob is 19[7+w+(-2)]
October 21, 2011

math
i dont understand how this is supposed to be layed out and how to do it in order... can someone write out the problem so i understand how to answer it, thanks!
October 21, 2011

algebra
yup thats right!!!
October 5, 2011

math
What is the critical z used to form a 85% confidence interval?
April 17, 2011

math
The new Twinkle bulb is being developed to last more than 1000 hours. A random sample of 100 of these new bulbs is selected from the production line. It was found that 48 lasted more than 1000 hours. Find the point estimate for the population proportion, the margin of error ...
April 17, 2011

calculus
When using the substitution method to solve a nonlinear system of equations, you should first see if you can _____ one variable in one of the equations in the system.
January 28, 2010

criminal Justice
Punishment and sentencing have gone through various phases throughout the history of Western civilization. Discuss the concept of and rationale behind criminal punishment.
December 16, 2009

critical thinking
• How does the writing process you read about in this class differ from the process you have used in the past? • Which step in the writing process is easiest for you to complete? Which step is the most difficult? • How might you overcome this obstacle to become ...
December 16, 2009

math word problem
If there are 36 different flavors of ice cream and two types of cones are available, how many choices for a single scoop of ice cream on some type of cone do you have? Do i multiply the 2cones*36=72 single scoops
August 23, 2009

properties
Thank you but I still don't understand
August 16, 2009

properties
Apply the properties discussed in this section to simplify each of the following as much as possible. Show all work. I don't know how to do these problems. 4x-2-3x 4x-(2-3x)
August 16, 2009

math
How do I find the k,c,V.S., and P.S. when I have a chart of monthly temps for a year?
March 22, 2008

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