Common difference d when The first term of an arithmetic sequence is 5, and the tenth term is 13 is 
Step-by-step explanation:
The first term a₁ = 5
The tenth term a₁₀ = 13
Find Common difference d=?
The formula used for arithmetic sequence is:

where aₙ = nth term
a₁= 1st term
d= common difference
Finding d:

So, Common difference d when The first term of an arithmetic sequence is 5, and the tenth term is 13 is 
Keywords: arithmetic sequence
Learn more about arithmetic sequence at:
#learnwithBrainly
Step-by-step explanation:
Since each cookie has 9 grams of fat, four cookies would contain 4*9 = 36 grams of fat.
Also nine cookies has 7*9 = 63 grams of fat.
So the number of grams consumed will be at least 36 and no more than 63.
Answer:
d
Step-by-step explanation: bc ik
1. The surface area of a cone S is S=

, where r is the radius of the base and l is the slant height.
2. The slant height l is found as follows:



3.


4. The answer is C
Answer:
I have forgotten later I tell you
Step-by-step explanation: