√3 x √5 = √15
7√15 - 2√15 = answer 5√15
simple
6² = 36
7² = 49
8² = 64
√64
Answer: B
Step-by-step explanation:
The mode is the most common number
Answer:
The value of x in this equation is 8.
Step-by-step explanation:
5x - 1 = 6x - 9
Subtract 6x on both sides.
-x - 1 = -9
Add 1 to both sides.
-x = -8
Divide by -1 on both sides.
x = 8
<span>"An </span>irrational number<span> can't be expressed as a ratio between 2 </span>numbers,<span> it can't be written as a simple fraction because there is not a finite </span>number<span> of </span>numbers<span> when written as a decimal. The </span>numbers<span> in the decimal would go on forever, without repeating.</span>
Answer:
Option 4
Step-by-step explanation:
By the Pythagorean identity, and the fact we are in the first quadrant,
Using the double angle formula for cosine,
