She had 42 dollars.
(4/7 of 42 is 24 dollars)
Answer:
0.01
Step-by-step explanation:
If you convert 10 into a decimal it's just 0.1, multiply 0.1 by itself only one time because the exponent is 2 and you get 0.01
Rule for sequence a is: a_n = 10-3n
Rule for sequence b is: a_n = -19+8n
Step-by-step explanation:
a.)7, 4, 1, -2, ...
First of all we have to find the common difference. Common difference is the difference between consecutive terms of an arithmetic sequence
Here,

The explicit rule for an arithmetic sequence is:

Putting the value of a1 and d

b.)-11, -3, 5, 13, ...
First of all we have to find the common difference. Common difference is the difference between consecutive terms of an arithmetic sequence
Here,

The explicit rule for an arithmetic sequence is:

Putting the value of a1 and d

Hence,
Rule for sequence a is: a_n = 10-3n
Rule for sequence b is: a_n = -19+8n
Keywords: Arithmetic sequence, common difference
Learn more about arithmetic sequence at:
#LearnwithBrainly
Answer:
Ur answer will be D. Length: 50 in.; Width: 60 in.
Step-by-step explanation:
Just add all of them and then do the answer times 2.
Work:
A.
62 + 40 = 112
112 x 2 = 204
B.
20 + 11 = 31
31 x 2 = 62
C.
10 + 20 = 30
30 x 2 = 60
D.
60 + 50 = 110
110 x 2 = 220
Hope this helps! Brainliest plz?