Answer:
4
Step-by-step explanation:
−3−(−4)−(−2)+1
=1−(−2)+1
=3+1
=4
Answer: 4
Step-by-step explanation:
If you convert you should get 4.
Answer:
1) A
2)C
3)B
4)D
Step-by-step explanation:
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First you want to figure out 196- 16. That will give you 180. Now divide 180 by 2, which is 90. So the numbers in the parentheses have to add up to 90. Now you want to add 7 and 5. This will give you twelve. Then subtract 12 from 90 to get 78. 78 divided by 3 will give you nine. 78 divided by 3 is 26, so y would be equal to 26.
Answer:
19/9
Step-by-step explanation:
We are given repeating decimal number 2.1¯.
We know 2.1¯ = 2.1111..... repeating 1's.
Let us assume x is a fraction equals given repating decimal number.
And set it as a first eqaution.
x = 2.1111..... ------------- (equation 1).
Multiplying equation both side by 10 ( because only one digit is repeating after decimal, we multiply by 10).
On multiplying by 10 we get
10*x = 10*2.1111.....
10x = 21.1111...... ----------------- (equation 2)
Subtracting equation 1 from equation 2, we get
10x = 21.1111......
-x = -2.1111.....
_____________
9x = 19.
Now, dividing both sides by 9. we get
