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Dvinal [7]
4 years ago
13

How do u do this one?

Mathematics
1 answer:
Leto [7]4 years ago
7 0

Answer: 200 messages

========================================================

Check out brainly.com/question/11754609 for a similar problem

Plan A's cost equation is y = 0.10x + 30

Plan B's cost equation is y = 50

Equate the two right hand sides, then solve for x

0.10x + 30 = 50

0.10x = 50-30

0.10x = 20

x = 20/0.10

x = 200

If you send/receive 200 messages, then the two plans will both cost the same ($50) per month.

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We are given the following in the question:

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Option b) Gina's systolic blood pressure is 1.50 standard deviations above the average systolic blood pressure of women her age.

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