math
the tempurature was 72 degrees at noon. at midnight a cold front moved in, dropping the tempoerature to 12 degrees. what is the answer please!
math
the varsity football team gained 7 yards on one play and then lost 4 yards
trigonometry
is sin^(2)x the same as sin(x)^2?
science
How many ml of a 2% solution will 20 ml of a 10% solution make?
chemistry
Can someone help me to check my answer and the way I solve this problem is right or wrong? Determine the energy required to turn a Na metal atom into a gas phase ion (Na+ (g)). Ionization energy of Na(g) 499 kJ/mol Electron affinity of O(g)for2e- 603 kJ/mol Energy to vaporize ...
mat
In some cases the Distributive Property of Multiplication over Addition or Distributive Property of Multiplication over Subtraction can be used to obtain an answer quickly. Represent the following operations using one of the distributive properties and also give the answer. a)...
math
At first one third of the class were boys. Then another boy joined the class. Now three out of eight of the class are boys how many students are in the class now? (Hint:There are fewer than 40 students in the class.)
calculus
integrate (3dx/xln3x)
Accounting
Here is my question am I suppose to make journal entry. Cindy Lou makes $30,000 per year as an exempt employee. She worked 15 hours of overtime in the month of September. Payday for wages earned in the month of Septemberis October 7? Ignoring Federal and state income tax withh...
Geometry
For each of the past four years, Paulo has grown 2in. every year. He is now 16 years old and 5ft. 10in tall. He figures that when he is 22 years old he will be 6ft 10in. tll. What would you tell Pauo about his conjecture.
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