30°
A strait line is 180°
75°+75°=150°
180°-150°=30°
Answer:
Graphing inequalities on a numberline:
38 > x
The point is directly on 38, the circle is hallow which means greater than or less than NOT or equal too. The arrow is pointing downwards signifying that 38 is greater than x.
10 ≤ x
This circle is filled in which means greater than or equal too or less than or equal too, in this case the arrow is pointing upwards showing that X is greater than or equal to 10.
28 ≤ X
The point is on 28 and the circle is filled in which means which means greater than or equal too or less than or equal too, in this case it is showing that x is greater than o r equal to 28 because the arrow is going up the numberline (upwards).
16 > x
This circle is NOT filled in which is hallow meaning that it is greater than or less than (also depending on where the arrow is pointing towards too). The point is on 16 and is showing the arrow going down which means 16 is greater than x.
(A) 2/3A= -24
A= -24 • 2/3
A= 48/3
A= 16
(B) 20= -B/0.2
20 • 0.2= -B
4= -B
-4= B
(C) Distance between Point A & Point B is 20
Answer:
Answer:1.5*10^9 years
Step-by-step explanation:
The half life of the substance is given i.e 4.5B years. You can change it into seconds by multiplying it with 365 and 86400.
The current no of particles is given 78.88% which will be equal to 78.88 if you assume the substance had 100 no of particle initially.
Determine the decay constant by dividing 0.69 by half life
use these values in the equation for the answer.
[ln and e are inverse functions to eachother]
Answer:
1. [-1,10]
[-3, 9]
2. [-1, 5]
[-12,20]
3. [-6,15]
[-13,19]
4. (I cant read)
5. [30]
6.[20,-10]
[-20,10]
Step-by-step explanation:
