Geometry
I figured out the answer to my own question. 9(0.75)/c^2=6.75/c^2=(sin^2)B. Using law of cosines, c^2=7. 6.75/7=27/28.
Geometry
a triangle has vertices A, B, and C, and the respective opposite sides have lengths a,b, and c. If a=1, b=3, and C=60, then sin^2(B) is equal to ?
physics
Heat loss rate= q/t= (0.97(2)(28-22))/ thickness of skin.
Math
Go to: //mmpc.svsu.edu/54thMMPC-PI-Test.pdf Can you explain why number 12 is D?
Geometry
The sides AB and AC of triangle ABC have lengths of 4 inches and 7 inches, respectively. The median AM is 3.5 inches. What is the EXACT length of BC. Show your work.
Math - Please Help
Find two positive fractions such that if we switch the denominators, the sum afterthe switch is 50 times the original sum.
AP Chemistry
ratedetrmining-step: 3X(g) + 2Y(g) = 4Z(g) When 2 moles of gas X and 2 moles of gas Y are placed in a 5.0L vessel, the initial rate of the rxn is found to be 0.45 (mol/L x min. What is the rate constant? P.S: I think k=1.875(L/mol x s) but im not sure.
AP Chemistry
A chemist mixes 200.0mL of 0.800 M Fe(NO3)3 and 300.0 mL of 0.750 M K2Cr04 and enough of either 0.400 M KOH or 0.400 M Pb(no3)2 to end up with only two spectator ions in solution. a. How much precipitate will be formed b. How many mL of KOH or Pb(No3)2 must be used c. What are...
Geometry
The height of an isosceles triangle is 4r. The radius of an inscribed circle is r. What is the area of the triangle?
Algebra
sum=(7.4)5=37. 37-11-12-5-3=x=6.
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