Ratio, ther are 162 student in a school.20 of them are girls .how many are ...

ther are 162 student in a school.20 of them are girls .how many are boy

Pair of straight line, The equation ax2 + 2hxy + by2 =0 represents a pair o...

The equation ax2 + 2hxy + by2 =0 represents a pair of straight lines passing through the origin and its angle is tan q = ±2root under h2-ab/(a+b) and even the eqn ax2+2hxy+by2+2gx+

Arithmetic sequences and series,

Clique graph, Consider the clique graph below. a) How many subgraph...

Consider the clique graph below. a) How many subgraphs of G with 3 nodes are there?  b) How many of the subgraphs defined in part(a) are induced subgraphs?

Geometry, i need help trying make a presentation for my teacher

i need help trying make a presentation for my teacher

Radicals, We'll include this section with the definition of the radical.  I...

We'll include this section with the definition of the radical.  If n is a +ve integer that is greater than one and a is a real number then, Where n is termed as the index,

Trigonometry, Prove: cotA/2.cotB/2.cotC/2 = cotA/2+cotB/2+cotC/2

Prove: cotA/2.cotB/2.cotC/2 = cotA/2+cotB/2+cotC/2

Free Assignment Test Online, Well, my uncle want me to tutor him in mathema...

Well, my uncle want me to tutor him in mathematics. But, the problem is I don''t know what he already knows about math. It for his Compass Test when he go back to school in the spr

I-phones in one year, Assume company A expects to enhance unit sales of i-p...

Assume company A expects to enhance unit sales of i-phone by 15% per year for the next 5 years. If you presently sell 3 million i-phones in one year, how many phones do you expect

Demerits and merit-the mode, The mode Merits i.  This can be dete...

The mode Merits i.  This can be determined from incomplete data given the observations along with the highest frequency are already known ii.  The mode has some applic