Math, asked by shrey1122, 8 months ago

use the appropriate properties of operations of rational numbers evaluate the following:
2/5X-3/7-1/14-3/7X3/5

Answers

Answered by swan030782

4

Answer:

-11/28

Step-by-step explanation:

2/5 × (-3/7) - 1/6 × 3/2 + 1/14 × 2/5

= 2/5 × (-3/7) + 1/14 × 2/5 - (1/6 × 3/2) (by commutativity)

= 2/5(-3/7 + 1/14) - 1/4

= 2/5{(-6 + 1)/14} - 1/4 (by distributivity)

= 2/5(-5/14) - 1/4

= -1/7 - 1/4

= (-4-7)/28

= -11/28

Previous Question

Next Question

Similar questions

History, 4 months ago

Questions : 1. Name the order in which the Gospels appear in the Bible. 2. Out of the 4 Gospels, which two Gospels were written by apostles of Jesus? 3. In which Gospel do we find about Jesus washing the feet of His disciples? 4. Jesus first appeared to few women after His ressurection, name any one woman. 5. John the Baptist, baptized people in the river. What was the name of the river ?

Math, 4 months ago

9. Find the equation of straight lines passing through (-2,- 7) and having an intercept of length 3 units between the straight lines 4x + 3y = 12, 4x + 3y = 3. please solve it step by step...

Math, 4 months ago

1 + Tan²A/ 1 + Cot ²A What is its simplest form ?

Psychology, 8 months ago

মিশ্র অভীক্ষা কাকে বলে?

Hindi, 8 months ago

DATE NOTE BOOK श्यामराया पचंचलChanchal ka Hindi mein ling badlo ...

Physics, 10 months ago

Two wires of same material and length but cross-sections in the ratio 1 : 2 are used to suspend the same loads. The extensions in them will be in the ratio(a) 1 : 2(b) 2 : 1(c) 4 : 1(d) 1 : 4...

Physics, 10 months ago

The ratio of shearing stress to the corresponding shearing strain is called(a) bulk modulus(b) Young's modulus(c) modulus of rigidity(d) None of these...

Physics, 10 months ago

For a constant hydraulic stress on an object, the fractional change in the object volume $(\frac{\triangle V}{V})$ and its bulk modulus (B) are related as (a) $\frac{\triangle V}{V}\propto B$ (b) $\frac{\triangle V}{V}\propto\frac{1}{B}$ (c) $\frac{\triangle V}{V}\propto B^{2}$ (d) $\frac{\triangle V}{V}\propto B^{-2}$ ...