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3 years ago

Radius: 12 diameter: 24 inches circumference: area:

1 answer:

8 0

The formula for the area of a circle is $\pi r^{2}$

To break it up, its π×r×r=A

The radius is 12inches

So the equation is 3.14×12×12

3.14×12=37.68

37.68×12=452.16

452.16 rounded is 452

A=452inches

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Multiply and simplify. Assume that all variables are positive.

Liula [17]

Answer:

$2x^{4} \sqrt{6x}$ should be the answer. Free points, why not?

Step-by-step explanation:

1. $\sqrt{3x^{6} }*\sqrt{8x^{3}}$

2. $\sqrt{24x^{9} }$

3. $\sqrt{4} *\sqrt{x^{8} } *\sqrt{6x}$

4. $2x^{4} \sqrt{6x}$

7 0

4 years ago

A travelling salesman sells milkshake mixing machines and on average sells 8.4 machines per month. He needs to sell at least 3 m

klio [65]

Answer:

P(X<3) = 0.01004

Step-by-step explanation:

From the given information:

Consider the application of Poisson distribution $P(X = x ) = \dfrac{e^{-\lambda} \lambda ^x}{x!}$ with the parameter $\lambda = 8.4$ ;

Therefore, we can calculate the required probability as follows:

P(X< 3) = P(X = 0) + P(X = 1) + P(X =2)

$P(X< 3) = \dfrac{e^{-8.4} 8.4^0}{0!} + \dfrac{e^{-8.4} 8.4^1}{1!} + \dfrac{e^{-8.4} 8.4^2}{2!}$

$P(X< 3) =e^{-8.4}( 1 + 8.4+35.28)$

P(X<3) = 0.01004

6 0

3 years ago

Jeanette purchased a concert ticket on a web site. The original price of the ticket was $75. She used a coupon code to receive a

DedPeter [7]

Answer:

Jeanette’s ticket was less than the original price by 12 percent

Step-by-step explanation:

1. Let's calculate the 20% discount price Jeanette received:

75 - 0.2 * 75 = 75 - 15 = $ 60

The discounted price is $ 60

2. Let's calculate the 10% service fee to the discounted price:

60 + 0.1 * 60 = 60 + 6 = $ 66

The price including the service fee is $ 66

3. Finally, let's calculate the less percentage than the original price:

Let's use the Direct Rule of Three, this way:

Price Percentage

75 100

66 x

**************************

75x = 66 * 100

75x = 6,600

x = 6,600/75

x = 88

Less percentage = 100 - 88 = 12%

Jeanette’s ticket was less than the original price by 12 percent

3 0

3 years ago

Apples cost $3.45 per pound find the cost of 2.6 pounds of apples Solve this problem With multiplication

lapo4ka [179]

Answer:

8.97

Step-by-step explanation:

3.45(2.6) = $8.97

Hope this helps you! :)

7 0

4 years ago

How do i solve (x-3)(x²+3x+9)

SpyIntel [72]

You factor the (x²+3x+9) first.

5 0

4 years ago