3 years ago

I WILL GIVE BRAINLIEST TO CORRECT ANSWER

Mathematics

1 answer:

antiseptic1488 [7]3 years ago

7 0

Answer:

y = -x - 2

Step-by-step explanation:

Tested it via graphing calculator.

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aleksandr82 [10.1K]

T(m) = 0.25m

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2 years ago

The sum of 8 and t please

Tanzania [10]

Answer:

Um 8t I think, your answer isn't very descriptive but I still want to help you. But by what your asking it would most likely be 8t.

Step-by-step explanation:

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2 years ago

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Sunny_sXe [5.5K]

The answer is 43,500

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3 years ago

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2 years ago

Suppose the speeds of vehicles traveling on a highway are normally distributed and have a known population standard deviation of

erik [133]

Answer:

2.88

Step-by-step explanation:

Data provided in the question

$\sigma$ = Population standard deviation = 7 miles per hour

Random sample = n = 32 vehicles

Sample mean = $\bar X$ = 64 miles per hour

98% confidence level

Now based on the above information, the alpha is

= 1 - confidence level

= 1 - 0.98

= 0.02

For $\alpha_1_2$ = 0.01

$Z \alpha_1_2$ = 2.326

Now the margin of error is

$= Z \alpha_1_2 \times \frac{\sigma}{\sqrt{n}}$

$= 2.326 \times \frac{7}{\sqrt{32}}$

= 2.88

hence, the margin of error is 2.88

5 0

2 years ago