Question

slove the following:-

1. Find decimal expansion of 1/7.

2. if A, B and C are three points on a line, and B lies between A and C, then prove that AB+BC=AC.

3. find reminder when x4+x3-2x2+x+1 is divided by x-1.

4. find six rational number between 3 and 4.

5. plot the points (x, y) given in the following table on the plane, choosing suitable units of distance
X- -2 , -1 , 0 , 1 , 3
Y- 8 , 7 , -1.25 , 3 , -1

6. find the value of K, if x=2, y=1 is a solution of equation 2x+3y=K.

7. two coins are tossed simultaneously 500 times and we get two head:-105 times, one head:-275 times, no head:-120 times. find the probability of occurrence of each of these events.

8. Construct an angle of 22 1/2​

Answer 1

Answer:

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Step-by-step explanation:

1/7 = 0·142857 142857 14..

11/30 = 0·3 6666666...

1833 ÷ 5000

183 ÷ 500

9 ÷ 25

Answer 2

Answer:

1. 1/7 is a non terminating and repeating. since 7 is a prime no. and also the denominator can't be expressed in term 2^n *5^m