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alexandr402 [8]
2 years ago
7

Barb is making a bead necklace. She strings 1 white bead,then 3 blue beads,then 1 white bead,and so on. Write the numbers for th

e first eight beads that are white.
Mathematics
2 answers:
nataly862011 [7]2 years ago
8 0

The numbers for the first eight beads that are white are; 1, 5, 9, 13, 17, 21, 25, 29

<h3>Arithmetic Sequence</h3>

We are told that she strings in this order;

  • 1 white
  • 3 blue
  • 1 white bead

Now, after the first white bead, the next white bead is the 5th bead in total.

This means the difference in interval between white beads is; 5 - 1 = 4 beads

Thus, the numbers for the first eight beads that are white are;

1, (1 + 4), (1 + 4 + 4), (1 + 4 + 4 + 4).....

Thus, we have;

1, 5, 9, 13, 17, 21, 25, 29

Read more on arithmetic sequence at; brainly.com/question/7849474

Ludmilka [50]2 years ago
6 0
<h2>₳₦₴₩ɆⱤ</h2>

<h3>________</h3>

<h3> The serial numbers of first 8 white beads are = 1, 5, 9, 13, 17, 21, 25, 29, Step-by-step explanation: Since there are 3 blue beads after each white beads, Hence we can design the progression in the following way looking at the sequence: W,B,B,B,W,B,B,B,W....</h3>

◦•●◉✿I hope it's helpful for you✌✿◉●•◦

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kozerog [31]

The known facts

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Now, let's set up the equations where N is Natalie's age and F is Fred's age.

N + F = 36   ---- equation 1

N + 4F = 72 ---- equation 2

equation 2 minus equation 1 ---> 3F = 36 ---> F = 12, thus N = 24

Thus Fred is 12 years old, and Natalie is 24 years old.

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Answer:

Part A) For the number of hours less than 5 hours it make more sense to rent a scooter from Rosie's

Part B) For the number of hours greater than 5 hours it make more sense to rent a scooter from Sam's

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y=10x+20

using a graphing tool

see the attached figure

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