Answer:
(8x + 20)-2x
Step-by-step explanation:
We don't know what x is, so we use the Distributive Property to do 4 x 2x, then 4x5. We put parentheses around it, and then do - 2x
59.99 - 59.99 x saving rate = 42.89
with saving rate = r%
59.99 - 59.99 x r% = 42.89
so 59,99 ( 1 - r%) = 42.89
1 - r% = 42.89 : 59.99
1 - r% = 0,7150
r% = 1 - 0,7150
r = 28,5%
The laws of exponents I will be using are:
, and .
For the first part, .
For the second part, .
Answer:
47.5 degrees Farenheit
Step-by-step explanation:
the problem says temperature drops 1.8 deg F for every thousand feet. 3,000 ft of altitude will be achieved so that would to find the amount of deg the temperature will decrease we need to multiply 1.8 X 3, which is 5.4 degrees. subtract 5.4 degrees from 52.9 and you get 47.5 degrees at 3,000 ft of altitude
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