Friday
December 13, 2013

# Posts by Kristina

Total # Posts: 163

Trig
Prove the trig identity cos(4x)=2-sec^2(2x)/sec^2(2x)

algebra 2

The three fifths compromise and the commerceand slave trade compromise were included in the constitution at the insistence of the southern states. Why did states in the south think these items were important and what price, if any, did southern states pay for their inclusion

french
this means the first floor

history
what do they mean by describe the social,composition of the decade of corporate greed

Math
Dwayne passes the 0 point running 4 meters per second to the right.Where is he 5 seconds later?Write a number sentence.

Chemistry
Could you explain in detail why a saponification reaction is considered to be the reverse of an esterification reaction.

science
what type of electromagnetic radiation does a flame emit?

college
The radiator in a certain make of car needs to contain 20 liters of 40% antifreeze. The radiator now contains 20 liters of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?

Physics
A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0 s. She then gets out of the cart and starts walking at an average speed of 1.60 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.10 m/s? I need...

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