Math Help Please
Bob invested $30,000, part at 10% and part at 1%. If the total interest at the end of the year is $1,560, how much did he invest at 10%? Let x be the amount invested at 10%. Then, 30,000-x is invested at 1% 0.1 x + 0.01 (30,000 - x) = 1560 Solve that algebraic equation for x. ...
June 24, 2007
An employee who produces x units per hour earns an hourly wage of y = 0.40x + 9 (in dollars). Find the hourly wage for an employee who produces 3 units per hour. Wouldn't it be wage=.4*3 + 9
June 11, 2007
Pre algebtra Help Please!!
Determine which two equations represent parallel lines. (a) y = 5/7x + 4 (b) y = -7/5 x 8 (c) y = 9x + 11 (d) y = 9x 4 which have the same slope? which have the same slope?
June 10, 2007
Determine which two equations represent perpendicular lines. (a) y = 3/10x -3 (b) y= - 10/3x -3 (c) y = -1/5x + 3/10 (d) y = 1/5x 3/10 Equations (a) and (b) are perpendicular t one another, because the product of the slopes is -1.
June 10, 2007
does jupiter have a clockwise or counterr-clockwise rotation? Both. It depends on the direction you are looking. For instance, looking at the Earth, from the South of Earth, Earth has clockwise rotation. But looking at it from the North, is is counterclockwise.
May 27, 2007
Which rates are equivalent? 6 U.S. dollars = 18 U.S. dollars 8 Canadian dollars 20 Canadian dollars 6 U.S. dollars = 9 U.S. dollars 8 Canadian dollars 12 Canadian Dollars 6 U.S. dollars = 9 U.S. dollars 8 Canadian dollars 16 Canadian dollars 6 U.S. dollars = 15 U.S. Dollars 8 ...
March 26, 2007
Place the following set of numbers in ascending order. -2/11, 5/8, 1/8, -1/9, 4/9 Well start by putting the most negative number first. 5/8 is bigger than 4/9. And 4/9 is certainly bigger tnan 1/9. Give it a try and I'll tell you if you get it right -1/9, -2/11, 1/8, 4/9, ...
March 25, 2007
Statistics. The lowest temperature ever recorded in the state of Oregon was -54 F ( in Seneca, on February 10, 1933). The states record high temperature occurred in Pendleton on August 10, 1898, when it reached 119 F. What is the historical temperature range in the state...
March 21, 2007
Statitistics, last try
The graph and table below give the monthly principal and interest payments for a mortgage from 1999 to 2004. Use this information to predict the payment for 2005. 1999
March 16, 2007
Find the missing length of the right triangle if a = 7 and b = 24. Read the followng and see if it hepls to solve this. If you still don't get it repost your answer. http://en.wikipedia.org/wiki/Pythagorean_theorem a sqaured+b squared=c squared 7 squared+24 squared= c ...
March 9, 2007
The minimum daily values (MDVs) for certain foods are given. They are based on a 2000 calorie per day diet. Find decimal and fractional notation for the percent notation on each sentence. a)
March 8, 2007
A tree casts a shadow that measures 4 ft, At the same time, a yardstick casts a shadow that is 9 in long. How tall is the pole? Assuming that the light comes from the same sources (in this case, the sun), the ratio of the yardstick (one yard) and its shadow (9 inches) equal ...
March 7, 2007
How do I know when to use lay or lie? Thank you for using the Jiskha Homework Help Forum. Many people use them interchangeably and perhaps some day that will be the norm. As far as English grammar books are concerned: Lay means "to place something down." It is ...
March 4, 2007
please unscramble these letters: egrvwneoir Thank you for using the Jiskha Homework Help Forum. First of all, is it English? Next, are there any clues? What vocabulary are you studying? Often, if you have anagrams, they have to do with the textbook and/or workbook you are ...
February 19, 2007
what are the tenets of pharmacology I found more then three "basic tenets of pharmacology" online: The dose should be no larger than that necessary for the desired effect The drug molecules must get so close to the cellular molecules that the function of the latter ...
December 16, 2006
what are some phamacological and nonpharmacological variable that infuence an individual's response to drugs Light intensity and duration, foods, and hormone levels.
December 16, 2006
Can someone read my essay and make corrections? Thank you! Puritans mainly wrote for instruction or inspiration rather than for amusement or diversion. They wrote mostly on religion. Thus, Puritan works reflect more inward than outward. Some examples of Puritan writings ...
October 9, 2006
chem please explain to me!
can someone please elpain to me the formation of binary ionic compounds from its constituent element. cuz I don't understand! thanks I really thank you guys alot! What grade are you in? Do you know about s and p orbitals? um.. why does it matter??? and I don't get the ...
June 17, 2006