Answer: conjunction and -20<x <16 is answer.
Step-by-step explanation:
It is a conjunction because it is and statement
|x+2|<18 gives
[Since l x-a l <b means x-a lies between -b and b ]
-18<x+2<18
subtracting 2 in the whole inequality ,we get
-18-2 <x +2-2 < 18-2
-20 < x < 16
Answer:
21
Step-by-step explanation:
84000/4000=84/4=21
Given :
An irrational number , 
.
To Find :
Two consecutive whole numbers that square root of 31 lies between.
Solution :
We know , square root of 36 is 6.
Also, square root of 25 is 5.
Now, we can see that 
lies between 5 and 6. Also, both 5 and 6 are consecutive.
Therefore, between 5 and 6 is the solution.
Hence, this is the required solution.
Answer:
20x3 - 23x3 -4x+4
Step-by-step explanation:
Answer:
13 quarters must be tails.
Step-by-step explanation:
Number of quarters = 40% of 50 coins
Number of quarters = 40/100 * 50 = 20 coins which are quarters.
35% of these 20 quarters on heads. We can proceed in 2 ways from here.
We can actually find the number of quarters that are on heads.
35/100 * 20 = 7 quarters are showing heads.
Since the other quarters must be tails 20 - 7 = 13 quarters must be tails.
The other way to do it is to realize that if 35% of the coins are heads, 65% of the coins must be tails 20 * 65/100 = 13 which is a bit more direct.
