Answer:
15cm
Step-by-step explanation:
© the envelope is 15cm rall.
Answer:
x = 2
Step-by-step explanation:
5x - 6 = 4
add 6 to each side
5x = 10
divide each side by 5
x = 2
Answer:
a^2 + b^2 = c^2
Step-by-step explanation:
The square root of 63 is 7.93725393319
7.937253319 * 7.937253319 = 63
Answer:
-1/6
Step-by-step explanation:
5-4x=6+2x
Add 4x to each side
5-4x+4x=6+2x+4x
5 = 6+6x
Subtract 6x from each side
5-6 = 6+6x-6
-1 = 6x
Divide by 6
-1/6 = 6x/6
-1/6 =x
