If a committee of 4 is to be chosen at random from a class of 10 students, what is the probability of any particular committee being selected? (Enter your answer as a fraction.) What if the committee is to consist of a president, a vice president, a treasurer, and a secretary? (Enter your answer as a fraction.)

Q: The answer is not shown for the 2

A: Left end sum=sum of areas of the rectangles      =7X10+9.8X10+13.2X10+18.1X10+20.5X10      =68.6X10…

Q: Let ā= and b = . Find 3a + 3b.

A: Given:a→=-3,-2,3 and b→=-3,5,2We need to find 3a→+3b→.

Q: Vx +2 = 7

A: We have to find the value of x using given equation

Q: FILD 3xdx x+2 IND

A: Solution:- We have to find ∫023xx2+2dx it is definite integration. =∫023xx2+2dx=3∫02xx2+2dx   let…

Q: x² ,2 xp V16-x2

A:

Q: –x + 3y = 6  x + 3y = 18

A:

Q: y X (9, –3)

A:

Q: コX K²-9 2.

A: Topic = Algebra

Q: 3a+4b=5a-t

A: See this solution in below.

Q: -1 -3t, t

A:

Q: Find 3V- 4W !L and

A:

Q: 1 2e10 - 3 da e5z

A:

Q: 2a+3a=c

A:

Q: x8 − 2 = −6

A: Given: x8 − 2 = −6

Q: Find (8, - 9):(1, 8).

A: Given that, the vector expression is 8,-9·1,8.

Q: -3a + 12a

A: -3a+12a=9a

Q: Let A = 41 -33 Find -3A. -3A =

A: See this solution in below.

Q: x – 1 Find + C

A: The given integral, ∫x-1x2dx