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geniusboy [140]
3 years ago
7

Whats the right answer?

Mathematics
2 answers:
Andrei [34K]3 years ago
7 0
The right answer is D
il63 [147K]3 years ago
3 0

in my opinion the answer is D

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The Gaineys and the Arnolds are saving money for a trip to Utah to go snowboarding. The Arnolds are going to save a nickel on th
Debora [2.8K]

Write a recursive and explicit formula for each option.

  • The Arnolds

Save a nickel on the first day of the month and then double the amount each day for a month

=> a1 =0.05

=> a2 = a1* 2 = 0.05*2

=> a3 = a2*2 = a1* 2*2

..............................................

=>recursive an = a_{n-1} *2

=> explicit an = 0.05*2^{n-1}

  • The Gaineys

Start their savings by saving  $10  on the first day and then  $10  each day of the month

=> a1 = 10

=> a2 = a1 + 10 = 20

=> a3 = a2 +10 = 20 +10 =30

........................................................

=> recursive an = a_{n-1} +10

=> explicit an = 10 + 10( n-1)

Hope it will find you well.

8 0
3 years ago
Please help me w my homework:)
Vesna [10]

Answer:

12.5

Step-by-step explanation:

7.5+5=12

6 0
3 years ago
How many steps does Jamila need to take to walk 120 ft?
KIM [24]
48 steps........ i just know lol
7 0
3 years ago
A box contains balls numbered 3 through 15.
Phantasy [73]

Answer: 6/13

Step-by-step explanation:

A box contains balls numbered 3 through 15. This means that the sample space = {3 , 4 ,5 , 6 ,7, 8, 9, 10, 11, 12, 13, 14, 15,}

The total number of sample space = 13

Therefore : the probability of picking 3, 5, 9, 11, 12, 15 , will be the total number of times they appear in the sample space divided by the number of sample space.

number of times 3 appears = 1

number of times 5 appear = 1

number of times 9 appear = 1

number of times 11 appear = 1

number of times 12 appear = 1

number of times 15 appear = 1

All together , they appeared 6 times

Therefore : the probability of picking one of the numbers = 6/13

8 0
3 years ago
-2(9/4)^2<br> +9 (9/4)+5
blsea [12.9K]

Answer:

15.125

hope it helps-

3 0
3 years ago
Read 2 more answers
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