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2 years ago

Help Please I will Give Brainliest If correct!!!

Mathematics

2 answers:

Sonja [21]2 years ago

5 0

I think it is 5 to the first power which is just 5

kolezko [41]2 years ago

3 0

Tidieidifififiviveididid

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The amount of time it takes to see a doctor a CPT-Memorial is normally distributed with a mean of 33 minutes and a standard devi

Eva8 [605]

Answer:

a) Z-score = 0.75

b) Z-score = -32.833

Step-by-step explanation:

Step(i):-

Given that mean of the Population = 33

Given a standard deviation of the Population = 12

Let 'X' be a random variable in a normal distribution

Let 'X' = 42

Step(ii):-

$Z = \frac{x-mean}{S.D}$

$Z = \frac{42-33}{12} = 0.75$

Step(iii):-

Given that mean of the Population = 89

Given a standard deviation of the Population = 1

Let 'X' be a random variable in a normal distribution

Let 'X⁻ = 82

$Z = \frac{x^{-} -mean}{\frac{S.D}{\sqrt{n} } }$

$Z = \frac{82-89}{\frac{1}{\sqrt{22} } } = -32.833$

Z-score = -32.833

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3 years ago

Using the approximation 3.14 for pi, what is the radius of a circle with circumference 69.1 m?

Nat2105 [25]

Answer:

11.0

Step-by-step explanation:

Circumfrence = 2 x pi x r.

making radius, r the subject of relation, you.get 11.003184713

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3 years ago

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What is the value of x in the equation 3 = 2x? A. 2/3

Alexxandr [17]

3 divided by 2 is 1.5 so c

6 0

2 years ago

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Janey drove 355 km, and the trip took 5 hrs. at what average was janey traveling? use d=rt

stiks02 [169]

71 is the correct answer.

355 divided by 5 = 71

4 0

3 years ago

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Subject: Pre-algebra

charle [14.2K]

Answer:

1: true

2: false

Step-by-step explanation:

1: congruent = equal while supplementary = 180-degrees

2: congruent angles= vertical angles, corresponding angles, alternate interior angles, & alternate exterior angles

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2 years ago

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