Because it's the first number in front of three numbers. eg. 2659. Any number (in this case the number 2)in front of the three numbers (659)is always in the thousands column.
Answer:
16
Step-by-step explanation:
20^2 - 12^2 =
400-144 =
256 = 16^2
use formula a^{2}+b^{2}=c^{2}
Answer:
x= 32 ± √29
Step-by-step explanation:
x² - 8x - 13 = 0
ax² + bx + c = 0
Comparing equations we get,
a=1
b=(-8)
c=(-13)
Using quadratic formula,
________
x= b² ± √ b²-4ac
—————————
2a
Substituting the values
__________
x= 64 ± √( 64 + 52)
______________
2
= 32 ± √29
Hope this answer helps you....
Phone card = $20
You need to minus 17.92 from 20 = $2.08
$2.08 / 0.13 = how many minutes
= 16