Recent content by bubb

!!help the letters of the word tuesday are arranged in a row what is the probability the vowels are together and the letter "T" occupies the first place?

What is the difference between addition and multiplication in this probability question? I keep getting confused... A ID is made by choseing 3 letter from A-C inclusive and 2 digits from 1-2, The letters cannot repeat but the digits can be used more than once, how many different IDs can be...

If Pr(A) = 0.68, Pr(B) =0.28, Pr(A uB)= 0.8 Pr(AintersectionB)=0.16 How do we find Pr(A union Bcomplement) ?

For any point p on the curve y= x^3 . Prove that the area under the curve is one quarter of the area of the rectangle ? I went this far into the question integrating between p and 0 y^1/3 dy = (3(p^4/3))/4 and is the area of the rectangle p^2?

A radar station tracks a jet fighter flying with constant speed. if radar station is considered to be at the origin. The fighter's starting position is 2i _8j+k and 1 minute later it is at 8i - 4j + 13k. The units are in kilometres. Find the point along the path where the path where the...

Can I add the kj/mol and kj/gram together to get final answer. It seems the webpage implies it works by the working out??? Or its wrong and i need to convert the kj/gram to mols ? 33.30 grams of ice at 0.00 °C has heat added to it until steam at 150.0 °C results. Calculate the total energy...

Why is the average velocity of the particles greater in 1 mole of hydrogen gas at 25 degrees C then 1 mole of water vapour at 25 degrees C?

How to differentiate this ? X^2 - 5/ root x ?

How to determine if vectors a= -5j + k , b= 3i+4j-5k and c= 2i +j-3k are linearly dependent?? I tried addition of the three vectors = 0 but it didn't work?

how to Find the cross product of (3, 180°) X (79, 25°) ?

Help! A parallelogram question? If ABCD is a paralelogram with A(2,1,4), B(1,4,3) and C(1,0,2): Show that the area of the parallelogram is 8.12 sq units? and the coordinated of D is (0,1,3)??

If ABCD is a paralelogram with A(2,1,4), B(1,4,3) and C(1,0,2): Show that the area of the parallelogram is 8.12 sq units? and the coordinated of S is (0,1,3)??

Vectors & are defined in terms of , & as: = + ( + ) − (2 + ) = + (3 + 2) − (5 − 3) If = then show that: |1.25 + 5 + 6| = √46

Vectors & are defined in terms of , & as: = + ( + ) − (2 + ) = + (3 + 2) − (5 − 3) If = then show that: |1.25 + 5 + 6| = √46