<span>9 x 10^4 (Scientific notation)
9e4 (Scientific e notation
= 90000 (Real Number)</span>
(1+7m)(1-7m) should be the factoring.
Answer:
absolute value of 7 and -7, positive 7, opposite of -7
Answer:
The time for which parking charge taken is 3.5 hours
Step-by-step explanation:
Given as :
The total cost paid by Merry for car parking = $2.20
The charge taken by garage for parking is as ( $0.45 ) +( $0.25 for each half hour)
Let the Time taken as half hour = x
So, According to question
0.45 + 0.25 × x = $2.20
Or, 0.25 × x = $2.20 - $0.45
I.e 0.25 × x = $ 1.75
∴ x = $ (
= 7
So,Total time spend =
= 3.5 hours
Hence The time for which parking charge taken is 3.5 hours Answer