Friday
December 9, 2016

# Posts by juli

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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