I need to raise my grade and I need help with this one problem so please help me what is is the number 20 less than 150% of 80
1 answer:
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Answer:
10
Step-by-step explanation:
Here we go!
Slope Formula:
What we know: (-4, -52) and (-1, -22)
Plug in the numbers!
Fix it!
Add
Divide
(negative divided by a negative is a positive!!)
Slope is 10
Hope this helps!
Answer:
In 1981 was the building worth double it’s value.
Step-by-step explanation:
Given : A townhouse in San Francisco was purchased for $80,000 in 1975. The appreciation of the building is modeled by the equation : , where t represents time in years.
To find : In what year was the building worth double it’s value in 1975?
Solution :
The amount is $80,000.
The building worth double it’s value in 1975.
i.e. amount became A=2(80000).
Substitute in the model,
Taking log both side,
i.e. Approx in 6 years.
So, 1975+6=1981
Therefore, in 1981 was the building worth double it’s value.