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A student is allowed to select at most n-blocks from a collection of (2n + 1) books. If the total number of ways in which he can select a book is 63, find the value of n.Solution) Σ2n+1Cr,(from r=1 to r=n)=(22n+1/2)-1=22n-1=63,n=3.
The law of cosines can only be applied to acute triangles. Is this true or false?
In proving relation of trigonometric ratios we became confused that what should we do next, so to complete any question quickly what should we do?
solve for k such that the system 4x+ky=6 kx+y=-3
Q. How to Collecting and interpreting data? Ans. Collecting and interpreting data is the most important job of a statistician. There are many types of studies and differe
Evaluate: 30 - 12÷3×2 =
in a class of 55 students, 35 take english, 40 take french, and 5 take other languages.present this information in a venn diagam and determine how many students take both languages
about scalene,equilateral and isosceles.
Primary, note that quadratic is another term for second degree polynomial. Thus we know that the largest exponent into a quadratic polynomial will be a2. In these problems we will
jenna asked 100 of her schoolmates if they have had their first kiss and 43 of them said yes
I need help with my homework, I am to the edge right now with this w=5pq/2
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