Monday

May 25, 2015

May 25, 2015

Total # Posts: 35

**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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