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sammy [17]
3 years ago
12

(10 points) Suppose you are rolling a fair die 600 times independently. Let X count the number of sixes that appear. (a) What ty

pe of random variable is X
Mathematics
1 answer:
andrezito [222]3 years ago
7 0

Answer:

let me think

Step-by-step explanation:

i want free points

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What is the factored form of the polynomial 3x-3y
sladkih [1.3K]

Answer:

Step-by-step explanation:

3x - 3y = 3(x-y)

5 0
3 years ago
If (z°z)(x)=1/16x , what is z (x)?
vivado [14]
<span>assume z = ax for simplicity z(z) = a(ax) = a^2x let a^2x = 1/16x and solve for a </span>
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4 years ago
What is the surface area of this composite solid?______________ square feet 242 319 363 517
jeka57 [31]

Answer:

<h2>The right answer is 415.4 cubic feet.</h2>

Step-by-step explanation:

As you can observe in the image attached, the composite figure is formed by a square prism and a pyramid on top.

We need to find the volum of each part separately.

<h3> Square prism.</h3>

V_{prims}=11 \times 11 \times 2=242 \ ft^{3}

<h3>Square pyramid.</h3>

First, we need to find the height of the pyramid. We already know the height of each triangular face of the pyramid, which divides equally the side.

Let's use Pythagorean's Theorem to find the height of the pyramid.

7^{2}=h^{2} +(5.5)^{2}\\  49-30.25=h^{2}\\ h=\sqrt{18.75} \approx 4.3

The height is 4.3 feet, approximately.

Now, we find the volume of the pyramid

V_{pyramid}=\frac{1}{3}(11 \times 11 \times 4.3) \approx 173.4ft^{3}

The sum of both figures represents the total volume of the composite figure

V_{total}=242+173.4=415.4ft^{3}

Therefore, the right answer is 415.4 cubic feet.

3 0
3 years ago
Read 2 more answers
Sean and Kyle have 26 dollars between them. If Sean has 8 more dollars than Kyle, how much money does Kyle have, in dollars?
vredina [299]

Answer: 9$

Step-by-step explanation:

kyle has x dollars. Sean has x+8 dollars. They equal 26. 2x+8=26

2x=18

x=9

7 0
3 years ago
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Johnny has a job that pays $6 per hour plus tips. If Johnny worked 5 hours and made $45, write an equation in point-slope form t
stepladder [879]

Answer:

6*5=30

45-30=15

he made 15$ in tips.

6 0
4 years ago
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