Sunday
December 8, 2013

# Posts by paul

Total # Posts: 704

math
Joel has twice as many cds as Mary has. Subtracting 7 from the number of cds Joel has and dividing by 3 equals the number of cds Blake has. If Blake has 25 cds, how many cds does Mary have?

multi step equations
Joel has twice as many cds as Mary has. Subtracting 7 from the number of cds Joel has and dividing by 3 equals the number of cds Blake has. If Blake has 25 cds, how many cds does Mary have?

MATH
From experience, the manager of Kramer's Book Mart knows that 40% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store, at least four will make a purchase? (Round your answer to four d...

Math
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a club? (Round your answer to three decimal places Wondering why I keep getting 1/4?

math
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first card is a spade given that the second card is a club? (Round your answer to three decimal places)

combustion
A glass melting furnace is burning ethane (C2H4) in pure oxygen (not air). The furnace operates at an equivalence ratio of 0.9 and consumes 30 kmol/hr of ethane. (A) Determine the energy input rate based on the LHV of the fuel. Express your result in both kW and Btu/hr. (B) De...

combustion
You have a gaseous octane (C8H18(g)). Calculate the lower heating value (LHV) and higher heating value (HHV) of the given fuel in MJ/kg(fuel).

Social Studies
What do you think it is?

Social Studies
My guess is either William the Conqueror or Henry II.

Social Studies
Whose marriage transferred large amounts of French lands to the English king and essentially made the King of England a vassal to the French King? (1 point) Richard I & Lady MacBeth Edward the Confessor & Diana of Wales William the Conqueror & Margorie of Wessex Charles III & ...

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