Answer:
A negative number squared is a positive number. Squaring is multiplying a number by its self.
Step-by-step explanation:
X^2 = x * x
Squaring something is just multiplying it by its self.
A negative times a negative = a positive
A positive times a positive = a positive
A negative times a positive = a negative
A positive times a negative = a negative
- * - = +
+ * + = +
- * + = -
+ * - = -
Here is how my 6th grade teacher helped me to remember it:
If something bad (-) happens to a bad guy (-), that is good.
If something good (+) happens to a good guy (+), that is good.
If something bad (-) happens to a good guy (+), that is bad.
If something good (+) happens to a bad guy (-), that is bad.
I hope I helped!
Let me know if you need anything else!
~ Zoe
Answer:
The hcf of 506 and 1863 is 23
8 plus 8 is 16. 5 plus 5 is 10. 10 plus 16 is 26. 26cm.
Answer:
50 minutes
Step-by-step explanation:
Use proportions
= 
Solve for x
3x = 150
Divide by 3
x = 50 minutes
