3-4=-1. To use mental math, imagine that there is a number line in your head. Start at three, and since we're subtracting, move to the left 4 units. This will land you at -1. I hope this gets easier for you in the future!
Answer:
3.12833905 × 10^11 U.S. dollars
Step-by-step explanation:
16<2(3x-1)<28 divide all terms by 2
8<3x-1<14 add 1 to all terms
9<3x<15 divide all terms by 3
3<x<5
x=(3,5) in interval notation
On a number line, it would be a line segment from 3 to 5 with open circles at 3 and 5.
On a coordinate system graph, it would be an infinitely high shaded plane between the vertical lines x=3 and x=5
Answer:Watson act differently when she is with her mother in Alabama compared with how she acts at home in Flint? Mrs. Watson acts calm in front of her Mother. In Flint, Mrs.
Step-by-step explanation:
Answer:
The height of tower 
.
Step-by-step explanation:
Diagram of the given scenario is shown below.
Given that,
Distance between John and tower is 
.
Angle of elevation to the top of the tower is 
°.
Height of John is 
.
To Find: Height of the tower 
.
So,
In triangle ΔDCE,
(∠
Now,
To calculate the height of tower we have
≈ 
Therefore,
The height of tower .
