Answer:
Your answer is 15.2
Step-by-step explanation:
use the formula a² + b² = c²
In this case, you know what a and c are.
a = 13
c = 20
Put those two into the formula.
13² + b² = 20²
13² = 169
20² = 400
169 + b² = 400
Bring 169 over to the other side to get b² by itself. do this by subtracting it from 400.
400 - 169 = 231
b² = 231
Now we need to get rid of the exponent. To do this, get the square root of both sides.
√b² = √231
b = 15.1986841536...
Finally, round your answer to the nearest tenth like the question tells you to.
15.2
Therefore:
b = 15.2
Second one the real answer is
<span>0.219512195122</span>
Answer:
(0,-0)
Step-by-step explanation:
P(0,0)=P(0,-0)
Answer:
(2,-6)
Step-by-step explanation:
The solution set is any point to the left of the line. To find the solution set, test a point like (0,0).

This means (0,0) is not in the solution set. The solution set is the region to the left of the line. Any point in this area will be a solution.
Step-by-step explanation:
Expanded notation may be defined as the way of expressing a number by exhibiting its value of each of the digit.
In an expanded notation, the number is always represented as a summation of each of the digit times its place value, while in the expanded form, an addition is used between the place value numbers.
A number containing zero can be written in the expanded form as for example,
509,300
Since digit 5 is 100,000th place, 9 is in 1,000th place and the digit 3 is 100th place, the number can be written as --
5 x 100,000 + 9 x 1,000 + 3 x 100