Friday
December 2, 2016

# Posts by marcy

Total # Posts: 21

Math fractions
kate is using fraction strips to add 4/10 and 4/5 she uses one whole strip to represent the sum. how many fifths strips does she need to complete the sum?
November 21, 2016

Math
The area of a. Front cover of a book is 120 square inches. The perimeter is 44 inches.what are the dimensions of the cover. HELP
November 2, 2016

chemistry
When hydrogen peroxide (H2O2) is used in rocket fuels, it produces water, oxygen, and heat. 2H2O2(l)⟶2H2O(l)+O2(g)ΔH=−196kJ How many kilojoules are released when 2.65 moles of H2O2 reacts? How many kilojoules are released when 234 g of O2 is produced?
March 20, 2016

Math
Convert the following number to scientific notation: 71,000,000,000
January 29, 2016

world geo.
Under the Articles of Confederation, the federal government was made up of __________.?
June 23, 2015

social studies
Henry clay
March 7, 2014

Math
Jessica has 9 more nickels than dimes, and the total value of her coins is 1.50. How many nickels does she have. Write the best equation.
January 14, 2014

physics
the field just outside a 20 cm-radius metal ball is 5x10^(2) N/C outwards. a) what is the flux through the surface of the ball? b) what is the net charge enclosed inside the ball?
May 2, 2012

algebra
if i had 100 dimes and quarters and the total value was \$14.05, how many quarters would i have?
March 15, 2012

chemistry
A buffer is made by dissolving H3PO4 and NaH2PO4 in water. a. write an equation that shows how this buffer neutralizes a small amount of acids. b. write an equation that shows how this buffer neutr?
November 11, 2011

pre calc
find the exact values of the six trigonometric functions of theta if the terminal side of theta in standard position contains the given point: 1. (8, 4) 2. (4, 4√3) 3. (0, -4) 4. (6, 2)
March 1, 2011

pre calc
find the exact values of the six trigonometric functions of theta if the terminal side of theta in standard position contains the given point: 1. (8, 4) 2. (4, 4√3) 3. (0, -4) 4. (6, 2)
March 1, 2011

Nic has a revolving dept store credit card account with rate 15%annually. Lastmonth balance on the account was \$423.78. During the current month, he made purchases totalling \$123.42 and made a payment of \$100.00. The store uses the unpaid balance method. What must be the amt ...
December 15, 2010

physics
A person has a mass of 50.0 kg. What is the pressure they exert on the blades of their ice skates if each skate blade is 15.0 cm long and 5.00 mm wide?
November 9, 2010

pscyhology
5 is not A.
November 8, 2010

math
Thank you for the clarification!
December 10, 2008

math
log(2.848) = 1.602 * 1.778 Is this a true statement? Why or why not?
December 10, 2008

Math
How would I solve this Equation? DB = 10log(I/Io) DB = 10log (140 Io/Io) DB = 10 log (140) DB = ????? This is as far I have gotten on this equation. Can someone please help me finish? I am trying to determine how many times louder than the threshold of sound is from 140 Decibels.
December 10, 2008