Sunday

January 22, 2017
Total # Posts: 22

**math**

I think of a number,multiply it by 3 and add 7.i get the Same answer if I multiply the number by 4 and subtract 12.find the number

*November 23, 2016*

**Algebra 2 semester2**

A piggy bank contains $5.60 in nickels and dimes. The number of nickels is 8 less than 3 times the dimes. How many nickels and dimes are there in the piggy bank?

*December 9, 2014*

**Chemistry**

At a given temperature, a first-order reaction has a rate constant of 3.5 ´ 10–3 s–1. How long will it take for the reaction to be 24% complete? A chemical reaction that is first-order in X is observed to have a rate constant of 2.20 ´ 10–2 s–1...

*November 17, 2014*

**calculus**

I have this question in my homework .its a multiple choice, Select the correct answer. Answers are in billions of dollars per year. and the answers are a)137.4 b)44.4 c)22.2 d)16.96 e)27.48

*April 2, 2014*

**calculus**

Let C(t) be the total value of US currency (coins and banknotes) in circulation at time. The table gives values of this function from 1980 to 2000, as of September 30, in billions of dollars. Estimate the value of C(1990) . t 1980 1985 1990 1995 2000 C(t) 129.9 187.3 271.9 409...

*April 2, 2014*

**Pre-Algebra**

18 is correct

*January 9, 2014*

**ALG II**

Write each rational expression in simplest form and list the values of the variables for which the fraction is undefined. 1. x^2-7x+12/x^2+2x-15 2. 5y^2-20/y^2+4y+4 3. -7+7a/21a^2-21 4. 5(1-b)+15/b^2-16

*November 25, 2012*

**finance**

Peyton’s Colt Farm issued a 30-year, 7.2 percent semiannual bond 6 years ago. The bond currently sells for 87.5 percent of its face value. The company’s tax rate is 38 percent. The book value of the debt issue is $103 million. In addition, the company has a second ...

*November 20, 2012*

**finance**

Peyton’s Colt Farm issued a 30-year, 9.6 percent semiannual bond 6 years ago. The bond currently sells for 87.5 percent of its face value. The company’s tax rate is 38 percent. What is the pretax cost of debt? What is the after tax cost of debt?

*November 20, 2012*

**finance**

What is ICU’s pretax cost of debt? What is ICU’s pretax cost of debt? ICU Window, Inc., is trying to determine its cost of debt. The firm has a debt issue outstanding with eight years to maturity that is quoted at 110.5 percent of face value. The issue makes ...

*November 20, 2012*

**science**

two spheres carrying charge q are hanging from a same point of suspension with the help of threads of length 1 m in a space free from gravity . the distance between them is?

*July 9, 2012*

**precalc**

f(x) =pi/2-x g(x)= 5sinx/8+cos x find (gof)(pi/2) and (fof)(pi/2)

*January 24, 2012*

**precalc**

find the solution of the equation in [0,2pi) cos^2x-sinxcosx=0

*January 24, 2012*

**geometry**

•find the measure of one of the interior angles 180(3)/5 =108 •y is NOT the exterior angle •use the formula: 360-a=2y *where a= the measurement of 1 of the interior angles which is 108 in this case. •so it would be: 360-108=2y 252=2y 252/2=y 126=y •so ...

*March 25, 2011*

**chemistry**

.031 L 0xygen

*April 8, 2010*

**AP Physics**

A skier is accelerating down a 30.0° hill at a = 2.60m/s/s. (a) What is the vertical component of her acceleration? (b) How long will it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 360 m? I ...

*October 15, 2009*

**college**

What are the implications of a single species filling an ecological niche?

*May 8, 2009*

**history/math**

How many jumbo jets could fit into the Cheops pyramid if it was hollow?

*October 15, 2008*

**biology**

What are the differences between Archea and Bacteria?

*September 2, 2008*

**biology**

What is the difference between Bacteria and Archaea?

*September 2, 2008*

**machines**

how do disc grinders work? My disk grinder has a series AC motor attached to a rubber disk upon which the grinding sheet is attached. The grinding sheet I use is carbide glued to paper. The carbide coated sheet rotates against the metal, usually a weld I am smoothing, and the ...

*September 3, 2005*

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