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Alja [10]
3 years ago
13

Radius of a circle with a circumference of 50.26​

Mathematics
2 answers:
klio [65]3 years ago
7 0

Answer:

16 cm

Step-by-step explanation:

Circumference is equal to 2 pi r.

Isolating r gives us C/2pi = r

50.26/2pi = 8, exactly.

Diameter is equal to 2r, so the diameter is 16 cm.

Tasya [4]3 years ago
5 0

Answer:

r≈8

Step-by-step explanation:

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Find y by itself 7y=14x-21
vlada-n [284]

Answer: y=2x-3

Step-by-step explanation:

divide both sides by 7

7y/7=(14x-21)/7

y=2x-3

8 0
3 years ago
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Define a new random variable by y = 2px. show that, as p l 0, the mgf of y converges to that of a chi squared random variable wi
Mandarinka [93]
The moment generating function (mgf) of y is given by

M_y(t)=E(e^{ty})=E(e^{2pxt})=M_x(2pt)=p(1-e^{2pt}(1-p))^{-1}

Since the momoent generating function of x is given by M_x(t)=p(1-e^{t}(1-p))^{-1}

When p tends to 0, we have

\lim_{p \to 0} M_y(t)=  \lim_{p \to 0}  \frac{p}{1-e^{2pt}(1-p)} = \frac{0}{0}

Applying L'Hopital's rule we have:

\lim_{p \to 0} M_y(t)=\lim_{p \to 0} \frac{1}{e^{2pt}+2te^{2pt}+2pte^{2pt}} = \frac{1}{1+2t} , \ \ \ t\ \textless \  \frac{1}{2}

This shows that y converges to <span>a chi squared random variable with 2r degrees of freedom</span>.
5 0
4 years ago
Write the slope-intercept form of the equation of the line through the given points.
svetlana [45]

Answer:

All work is shown and pictured

7 0
4 years ago
To charter a fishing boat for 3 hours the captain charges a base fee of 45.00 plus 15.00 per person using variables construct a
steposvetlana [31]

Answer:

$90.00

Step-by-step explanation:

Given

c = 45.00--- base fee

m = 15.00 --- rate

x = 3 --- individuals

Required

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The relationship between the variables is:

Total = Base\ Fee + Rate * Individuals

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<em>Hence, the amount is $90.00</em>

4 0
3 years ago
Find the area of this Shape. Show your reasoning.
Fudgin [204]

The area of this shape is 20 unit².

<h3>What is the area of the shape?</h3>

The total number of unit squares in the shape is the area of the shape.

Given in the figure:

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The number of squares more than half in the shape = 8

The total number of squares in the shape = 12 + 8 = 20

Area of the 1 square = 1 unit × 1 unit = 1 unit²

Area of 20 squares =  20 × 1 unit = 20 unit²

Approximate area of the shape = 20 unit²

Therefore, the area of the given shape is 20 unit².

To learn more about area of shapes visit:

brainly.com/question/11989469

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