Answer:
10
Step-by-step explanation:
20 divided by 4 = 5 and times it from there
Answer:
yes it is
Step-by-step explanation:
hope I helped;)
Answer:
c
Step-by-step explanation:
(x+8)+(x+4)=0
×=-8 and ×= -4
Answer:
See explanation
Step-by-step explanation:
1 step:
n=1, then

So, for j=1 this statement is true
2 step:
Assume that for n=k the following statement is true

3 step:
Check for n=k+1 whether the statement

is true.
Start with the left side:

According to the 2nd step,

Substitute it into the 

So, you have proved the initial statement
the answer is A ;
sin = opposite/ hypotenuse
= 24/ 26 ( we need to simplify it)
= 12/13