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Liula [17]
3 years ago
10

If Miranda flips a coin twice, what is the probability that both coins will land heads up? The probability that the first coin w

ill land heads up is 1/8, 1/4, 1/2, 3/4? . The probability that the second coin will land heads up is 1/8, 1/4, 1/2, 3/4. The probability that both coins will land heads up is 1/8, 1/4, 1/2, 3/4?
Mathematics
2 answers:
Lena [83]3 years ago
8 0

Answer:

The probability that both coins will land heads up is 1/4. The probabilty the first coin will land heads up is 1/2. The probability that the second coin will land heads up is 1/2.

Step-by-step explanation:

Each coin only has 2 options for what it can land on and each option is equally likely so its 1/2. To find the chance that both will land heads up multiply (1/2) by (1/2) to get 1/4.

Monkey
2 years ago
thanks
Svet_ta [14]3 years ago
6 0

Answer:

I just did it and got it right so hoped it helped you ;)

1/2

1/2

1/4

Step-by-step explanation:

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Part (a)

The picture alone, without the frame, is 16 by 20

When accounting for the frame, the larger rectangle is 16+2x by 20+2x

We add up all four sides to get the perimeter

(16+2x)+(20+2x)+(16+2x)+(20+2x)

8x+72

or you can use this perimeter of a rectangle formula

P = 2(L+W)

P = 2(20+2x+16+2x)

P = 2(4x+36)

P = 8x+72

Answer: 8x+72

=========================================

Part (b)

Multiply the length and width to find the area of the rectangle.

area = length*width

A = L*W

A = (20+2x)*(16+2x)

A = 20(16+2x) + 2x(16+2x)

A = 320+40x + 32x + 4x^2

A = 4x^2 + 72x + 320

Answer: 4x^2 + 72x + 320

=========================================

Part (c)

Plug x = 2 into the perimeter equation found in part (a)

P = 8x+72

P = 8*2+72

P = 16+72

P = 88

Now plug x = 2 into the area equation found in part (b)

A = 4x^2 + 72x + 320

A = 4(2)^2 + 72(2) + 320

A = 4(4) + 72(2) + 320

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A = 160+320

A = 480

-------------

Answers:

Perimeter = 88 inches

Area = 480 square inches

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The sum of the first 7 terms of the geometric series is 15.180

<h3>Sum of geometric series</h3>

The formula for calculating the sum of geometric series is expressed according to the formula. below;

GM = a(1-r^n)/1-r

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Substitute

S = (1/36)(1-(-3)^7)/1+3
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S = 15.180

Hence the sum of the first 7 terms of the geometric series is 15.180

Learn more on sum of geometric series here: brainly.com/question/24221513

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