It’s 30 because they are vertical angles which means both sides are congruent
which means that:
m+m= Something.
and that something can be anything,it determines on the m+m to find out what the answer might be.
Answer:
See Below.
Step-by-step explanation:
We are given that ∠A = ∠D, and we want to prove that ΔACB ~ ΔDCE.
Statements: Reasons:



F, A.
-3, 1
use a graphing calc
or do
x+3 = 0 or x-1 = 0 to get x = -3 or x = 1
Given:
A number is

To find:
The scientific notation of the given number.
Solution:
Scientific notation of a number is the product of a number between 1 to 10 and 10 to the power some integer.
We have,

It can be written as



Therefore, the scientific notation of the given number is
.