Answer:
Here is the answer I got when I graphed the equation I got it correct so here it is: Hope this Helps!!!
Step-by-step explanation:
Draw a line exactly from 120 to the top of number 9 on the x axis labeled # of Books
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THANKS!!!
 
        
             
        
        
        
 Circumference = 2×3.14×r
3.14 is pie and r is the radius.
To find the radius you divide the diameter by 2.
19 ÷ 2 = 9.5
2×3.14×9.5 = 59.66 
Multiply 59.66 by 6 because ther are 6 pennies.
59.66 × 6 = 357.96 mm.
        
             
        
        
        
Answer:
] y=x-4
 -2x+y=18
 y - x = -4
 y - 2x = 18
 equation [2] for the variable y 
 
 [2] y = 2x + 18
// Plug this in for variable y in equation [1]
 [1] (2x+18) - x = -4
 [1] x = -22
// Solve equation [1] for the variable x 
 [1] x = - 22 
// By now we know this much :
 y = 2x+18
 x = -22
// Use the x value to solve for y 
 y = 2(-22)+18 = -26 
Step-by-step explanation:
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Represent Age of Time Traveler =========> X
Solve:
x = 3(x - 20 )
Step 1: Simplify Both sides of equation:
x = 3(x - 20 )
x = (3) (x) + (3) ( - 20 )  (Distribute ):
x = 3x + - 60
x = 3x - 60
Step 2: Subtract 3x from both sides:
x - 3x = 3x - 60 - 3x
- 2x = - 60
Step 3: Divide both sides by -2:
- 2x / - 2 = - 60 / - 2
x = 30
Answer: Our Time Traveler is 30 years old.
Hope that helps : )
 
        
             
        
        
        
The interval of the convergence is x < -3 or x > 3 if the series n 3^n/x^n goes infinitely.
<h3>What is convergent of a series?</h3>
A series is convergent  if the series of its partial sums approaches a limit; that really is, when the values are added one after the other in the order defined by the numbers, the partial sums getting closer and closer to a certain number.
We can find the interval for the convergent by root test.
Like the Ratio Test, the root Test is used to determine absolute convergence (or not) with factorials, the ratio test is useful.
For the given series:

As the series goes infinitely, we can use root test.
By the root test, the convergence interval will be;
The interval of convergence is:
x < -3 or x > 3   we can write this as:
|x| < 3
Thus, the interval of the convergence is x < -3 or x > 3 if the series n 3^n/x^n goes infinitely.
Learn more about the convergent of a series here:
brainly.com/question/15415793
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