Answer:
Step-by-step explanation:
p + c = 110
p = c + 100
c + 100 + c = 110
2c + 100 = 110
2c = 110 - 100
2c = 10
c = 10/2
c = 5 .......cost of the phone case
p = c + 100
p = 5 + 100
p = 105 <=== cost of the phone
You just multiply top times top and bottom times bottom and then find a number you can divide into the number and you keep doing that until you can't simplify any more.
Answer:
If you center the series at x=1

Where
is the error.
Step-by-step explanation:
From the information given we know that

(This comes from the chain rule )
(This comes from the chain rule and the product rule)
(This comes from the chain rule and the product rule)
If you center the series at x=1 then

Where
is the error.
If a dime equals 10¢, and 10 dimes equals 100¢ (or $1) you need to divide.
$90.10/10¢=90.1 dimes you need I think.
Hope this helps