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Ainat [17]
2 years ago
5

Brian plays a video game in which he starts at 0 points. In round 1, he

Mathematics
1 answer:
fredd [130]2 years ago
3 0
At this point, brian had lost 7 points.
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igomit [66]

Answer:

Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest. ... The gravitational pull of the sun and moon on the earth also causes waves.

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Please Help me with the problem please!​
evablogger [386]

Answer:

35%

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18÷50×100

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Xina has $289 and spends $55 at the grocery
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2 years ago
Lexie, a bowler, claims that her bowling score is more than 140 points, on average. Several of her teammates do not believe her,
Crazy boy [7]

Answer:

The  test statistic is  t  = 3.744

Step-by-step explanation:

From the question we are told that

  The population mean is  \mu  =  140

  The  The  level of significance is  \alpha  =  0.05

  The  sample size is  n =  18

   The  null hypothesis is  H_o :  \mu =  140

    The  alternative hypothesis is  H_a  :  \mu > 140

    The sample mean is  \= x  =  155

     The  standard deviation is  \sigma  =  17

Generally the test statistics is mathematically represented as

       t  =  \frac{\= x  - \mu }{ \frac{ \sigma}{ \sqrt{n} } }

substituting values

      t  =  \frac{ 155  - 140 }{ \frac{ 17 }{ \sqrt{18} } }

      t  = 3.744

7 0
3 years ago
Given: p: 7x+1=8 q: 3x+4=7 p->q write the inverse in if-then form
Lady_Fox [76]
X= 1 .........................

3 0
2 years ago
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