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kvasek [131]
3 years ago
10

In a box there are three types of chocolate. there are 6 plain chocolate 8 milk chocolate and 10 white chocolate. Deon takes 2 c

hocolates from the box. Write down all the possible combinations of types of chocolates that Deon can take.​
Mathematics
1 answer:
olchik [2.2K]3 years ago
8 0

Step-by-step explanation:

  • 1 plain chocolate and 1milk chocolate
  • 1 plain chocolate and 1 white chocolate
  • 1 milk chocolate and 1 white chocolate
<h3>we have to it like that only right??</h3>
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Write in standard form 3+4i/2-6i
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The answer would be 3-4i
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3 years ago
Please help me on this question. 20 points guaranteed!!
julsineya [31]

Answer:

A cylinder with a volume of 27\pi cubic inches and a height of 3 inches

Step-by-step explanation:

  • Volume of a cylinder = \pir²h
    (where r is the radius and h is the height)

Volume = 27\pi

Height = 3

⇒ 27\pi = 3\pir²

⇒ 9 = r²

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7 0
3 years ago
jenna's rectangular garden borders a wall. she buys 80 ft of fencing. what are the dimensions of the garden that will maximize i
FrozenT [24]

Answer:

The  dimensions are x =20 and y=20 of the garden that will maximize its area is 400

Step-by-step explanation:

Step 1:-

let 'x' be the length  and the 'y' be the width of the rectangle

given Jenna's buys 80ft of fencing of rectangle so the perimeter of the rectangle is    2(x +y) = 80

                         x + y =40

                               y = 40 -x

now the area of the rectangle A = length X width

                                                  A = x y

substitute 'y' value in above A = x (40 - x)

                                              A = 40 x - x^2 .....(1)

<u>Step :2</u>

now differentiating equation (1) with respective to 'x'

                                      \frac{dA}{dx} = 40 -2x     ........(2)

<u>Find the dimensions</u>

<u></u>\frac{dA}{dx} = 0<u></u>

40 - 2x =0

40 = 2x

x = 20

and y = 40 - x = 40 -20 =20

The dimensions are x =20 and y=20

length = 20 and breadth = 20

<u>Step 3</u>:-

we have to find maximum area

Again differentiating equation (2) with respective to 'x' we get

\frac{d^2A}{dx^2} = -2

Now the maximum area A =  x y at x =20 and y=20

                                        A = 20 X 20 = 400

                                         

<u>Conclusion</u>:-

The  dimensions are x =20 and y=20 of the garden that will maximize its area is 400

<u>verification</u>:-

The perimeter = 2(x +y) =80

                           2(20 +20) =80

                              2(40) =80

                              80 =80

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Answer:

C: 2; Allison, Richard, and Hope are right because the graph can have 0,1, or 2 x-intercepts.

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3 years ago
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