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bekas [8.4K]
3 years ago
13

The size of a bicycle is determined by the diameter of the wheel. You want a 22-in bicycle for your birthday. What is the area o

f one of the wheels?
Mathematics
1 answer:
oksian1 [2.3K]3 years ago
6 0

Answer:

The Area of the bicycle wheel=380.182 square inch

Step-by-step explanation:

The formula for calculating the area of a wheel is given by;

A=(πd²)/4

A=Area of the wheel to be calculated

Where π (pie)=3.142,

The wheel size is usually denoted by its diameter (d)

d=diameter of the wheel=22 inches

with the values of π and d given, we can plug them in the formula for calculating Area to determine the area of the bicycle wheel

Substituting the values for π and d in the formula;

A=(πd²)/4=(3.142×22²)/4=380.182 in²

The Area of the bicycle wheel=380.182 in²

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3 years ago
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The demand function for a product is modeled by p = 400 − 4x, 0 ≤ x ≤ 100, where p is the price per unit (in dollars) and x is t
lawyer [7]

Answer:

Demand is Elastic when Price > 200 ; Demand is inelastic when Price < 200

Step-by-step explanation:

p = 400 - 4x

4x = 400 - p

x = (400 - p) / 4 → x = 100 - p/4

Elasticity of demand  [ P ed ] = (Δx / Δp) x (p / x)

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P ed =  <u>-1</u> x<u> p </u>

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= <u>-1</u> x <u> 4p </u>              = -p / (400-p)

  4   (400 - p)

Price Elasticity of demand : only magnitude is considered, negative sign is ignored (due to negative price demand relationship as per law of demand).

So, Ped = p / (400 - p)

Demand is Elastic when P.ed > 1

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Demand is inelastic when P.ed < 1

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p < 400 - p

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4 0
3 years ago
Twelve jurors are randomly selected from a population of 4 million residents. Of these 4 million​ residents, it is known that 46
vekshin1

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Step-by-step explanation:

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(b) If 12 jurors are randomly selected from a population where 46​% are​ minorities, what is the probability that 2 or fewer jurors will be​ minorities?

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Probability of getting no minorities = 1-0.46 =0.54

P(X\leq 2)=^{12}C_0(0.54)^{12}+^{12}C_1(0.46)(0.54)^{11}+^{12}C_2(0.46)^2(0.54)^{10}\\\\P(X\leq 2)=0.0363

(c) What might the lawyer of a defendant from this minority race​ argue?

Since the number of minorities juror are high among the population.

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3 years ago
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