Answer:
-33 or 33
Step-by-step explanation:
The seventh term of an AP is written as:
The eleventh term of an AP is written as:
If the 7th term is 11 times the 11th term, then;
Expand to get:
We must have a=-52 and d=5
Or
a=52 and d=-5
For the first case, the 18th term is :
For the second case,
As the time go the grass height go through increasing and decreasing
Answer:
<h2>
YOUR CORRECT ANSWER'S (D.)</h2>
Step-by-step explanation:
A) the markdown is $9.99
b) original sale price is $39.99
c) after using the coupon the price would be $29.99
in order to find this out you would first divide the original price of 39.99 by 100 in order to find out what 1% is. Then you would multiply this number by 25 to find out what 25% is. Then you would subtract the original amount of 39.99 by the 25% amount in order to find out how much is taken off
Answer:
Option D.
Jenn's answer is not correct. She got it substituting 
into the equation and solving for "x".
Step-by-step explanation:
Given the following equation:
Since you need that 
, you hace to substitute that value into the equation:
Now you need to solve for "c":
Therefore for a a value of 
, you get
Then, the you can identify that the correct answer is the one given in the Option D.
Jenn made a mistake, because she substituted into the equation and then solve for "x":
