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Answer:
Common Difference: 
The ninth term: -1
Step-by-step explanation:
The sequence can be written like this,
3, 2.5, 2, 1.5, 1, ....
Here the common difference is clearly -0.5 or , and we can conclude that 
number is 
. So the 9th term is,
Answer: The correct answer is 68 degree Fahrenheit.
To convert from C to F, we use the formula:
F = (9/5)C + 32
So, let's plug in 20 and evaluate:
F = 1.8(20) + 32
F = 36 + 32
F = 68
The temperature will be 68 degrees Fahrenheit.
Answer:
x = -8
Step-by-step explanation:
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
5*x+7-(4*x-1)=0
Step by step solution :
Step 1 :
Solving a Single Variable Equation :
1.1 Solve : x+8 = 0
Subtract 8 from both sides of the equation :
x = -8
One solution was found :
x = -8
Processing ends successfully
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