Question

1) Write a positive and negative integer whose sum is -4.
2) Find the product of -3,-1,-2, 1,-2.
3) -64 ÷ ( -8 × 8 ) = -------------.
4) Write the additive inverse of the following number.
a) -12
b) 56
5) (-307) ÷ --------- = 1
6) 50 ÷ -5 =-------------
7) Find four equivalent fraction of 3
7
.
8) Find 5
8
of 3
5
6Which generation languages are known aslow level languages?

Answer 1

Answer:

Two forces of magnitudes k cos A and k cos B act along CA, CB of a triangle ABC . Prove that their resultant is k sin C. (B.Sc.86 Calicut; B.Sc. 79, 8 M.K.U.) [Hint:- Use the result that in a triangle cos^ 2 A+cos^ 2 B+cos^ 2; C=1-2 cos A cos B cos C]

Answer 2

Answer:

1)-8+4=-4

2) -3,-1,-2, 1,-2.=12

3) -64 ÷ ( -8 × 8 ) = 1

4) a)=12, b)=-56

5) (-307) ÷ (-307)= 1

6) 50 ÷ -5 = -10

7)  (9, 21), (21, 49), (12, 28), (15, 35) are four equivalent fractions of 3, 7.

8) 58 is  generation languages are known aslow level languages

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