The answer is 6 (x + 5) (x - 5)
5th term = a1 + 4d = 34
10th term = a1 + 9d = 43
subtracting first equation from the second gives:-
5d = 9 so d = 9/5 or 1.8
first term a1 = 34 - 4(1.8) = 26.8
Sum of first 20 terms = (20/2)[2(26.8) + 19*1.8]
= 10* 87.8
= 878
Answer:
point
Step-by-step explanation:
Answer:
Step-by-step explanation:
If Brenna has 5 candy bars and she wants to give 1/4 to a person,
she will give 1/4 to 20 people
one way to see it is by counting the bars
or
5/(1/4)=5*4=20
when you divide a fraction you multiply with the reciprocal