Answer:
x = 2
Step-by-step explanation:
Using Pythagoras identity in the right triangle
x² = 10² + 6² = 100 + 36 = 136 ( take the square root of both sides )
x = 
= 
= 2
Answer:15+2.50(10x3)=x
Step-by-step explanation:
Answer:
NOT 100% sure! If its not this I think its 
Answer:
In the equation, it divides 21 by x before knowing what x is, and gets it incorrect. Instead, you need to divide 21 by -4.2.
Step-by-step explanation:
-4.2x = 21
-------------
-4.2
x = -5
Answer:
204
Step-by-step explanation:
Following the order of operations, what is within the parenthesis is solved first.
<em>65 x 3 = 195</em>
Then, you add 9 to 195.
<em>195 + 9 = 204</em>
<em>204</em> is the final answer.
Have a nice day! ^-^
