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worty [1.4K]
3 years ago
9

ASAP pls solve quick and show work 0.5x + 2 = 10

Mathematics
1 answer:
Slav-nsk [51]3 years ago
8 0

Answer:

16

Step-by-step explanation:

0.5x + 2 = 10

         -2    -2

    0.5x =8

 divide both sides by 0.5

     x = 16

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SOVA2 [1]

Hey Mate!

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Assume that when adults with smartphones are randomly​ selected, 61% use them in meetings or classes. If 8 adult smartphone user
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Answer:

0.1147

Step-by-step explanation:

When adults with smartphones are randomly​ selected, 61% use them in meetings or classes, then

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If 8 adult smartphone users are randomly​ selected, the probability that exactly 3 of them use their smartphones in meetings or classes can be calculated using binomial distribution as

C^8_3\cdot p^3\cdot q^{8-3}=C^8_3\cdot (0.61)^3\cdot (0.39)^5

Note that

C^8_3=\dfrac{8!}{3!(8-3)!}=\dfrac{5!\cdot 6\cdot 7\cdot 8}{2\cdot 3\cdot 5!}=\dfrac{6\cdot 7\cdot 8}{2\cdot 3}=7\cdot 8=56,

then the probabilty is

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8 0
3 years ago
Ronnie goes to the racetrack with his buddies on a weekly basis. One week he tripled his money, but then lost $12. He took his m
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Step-by-step explanation:

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No i dont think I wil

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