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ivann1987 [24]
3 years ago
7

Q7)

Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0

Answer:

srry what do u mean?

Step-by-step explanation:

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ANSWER ASAP!!!<br> PLS HELP. <br> ANSWER BOTH QUESTIONS FOR ALL POINTS.
iVinArrow [24]

Answer:

128°

Step-by-step explanation:

x + 154° + 78° = 360° {being complete turn}

x + 232° = 360°

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3 years ago
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Solve for k.<br> 14k+ 17 &gt; 3
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Eduardwww [97]

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Step-by-step explanation:

5 0
3 years ago
The cost to rent a moving van is $8.85 plus an additiona $20.40 per hour. If a moving van is rented for 2 hours, what is the cos
Makovka662 [10]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
You want to create a 99% confidence interval with a margin of error of .5. Assuming the population standard deviation is equal t
miss Akunina [59]

Answer:

Sample size minimum is 60

Step-by-step explanation:

given that you want to create a 99% confidence interval with a margin of error of .5.

The population  standard deviation is equal to 1.5

i.e. \sigma = 0.5

Confidence level = 99%

Since population std deviation is known, we can use Z critical value for finding margin of error

Z critical value for 99% = 2.58

Margin of error = 2.58*\frac{1.5}{\sqrt{n} }

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2.58*\frac{1.5}{\sqrt{n} }=0.5\\\sqrt{n} =7.74\\n =59.90\\n=60

8 0
3 years ago
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