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3 years ago

Explain what is true if a rectangular prism and a cylinder have the same volume and the same height.

Mathematics

1 answer:

Luba_88 [7]3 years ago

7 0

If they both have the same volume and height, they would also have the same surface area.

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You throw two four-sided dice. Let the random variable X represent the maximum value of the two dice. Compute E(X). Round your a

Troyanec [42]

Answer:

E(X)=3.125

Step-by-step explanation:

We are given that two four sided dice.

Then , the sample space

{(1,1),(1,2),(1,3),(1,4),(2,1),(2,2),(2,3),(2,4),(3,1),(3,2),(3,3),(3,4),(4,1),(4,2),(4,3),(4,4)}

Total number of outcomes=16

Let the random variable X represent the maximum value of the two dice

Outcomes X P(X)

(1,1) 1 1/16

(1,2),(2,1),(2,2) 2 3/16

(1,3),(2,3),(3,1),(3,2),(3,3) 3 5/16

(1,4),(3,4) ,(2,4),(4,1),(4,2),(4,3),(4,4) 4 7/16

Using the probability formula

$P(E)=\frac{Favorable\;outcomes}{Total\;number\;of\;outcomes}$

Now,

$E(X)=\sum_{i=1}^{n}x_iP(x_i)$

$E(x)=1(1/16)+2(3/16)+3(5/16)+4(7/16)$

$E(x)=\frac{1+6+15+28}{16}$

$E(x)=\frac{50}{16}=3.125$

7 0

3 years ago

The price have changed from $120 to $75. By how many

Kitty [74]

Answer:

35.7%

Step-by-step explanation:

The change is 45 dollars. (120-75)

The percent of change is the dollars divided by the original price.

45/120=0.357

Or 35.7%

3 0

3 years ago

Read 2 more answers

5. 20 yards how many meters show work<br>

Gnoma [55]

Answer:

18.288 meters = 20 yards to be approximate

(or 18 meters if you round)

Hope this helps:)

3 0

3 years ago

I AM NOT AN INTEGER

kramer

The answer might be 3.5 because i am pretty sure it is not a repeating decimal

5 0

3 years ago

How do I Subtract fractions! Please explain step by step to get marked

Fynjy0 [20]

Answer:

1) Make sure the bottom numbers (the denominators) are the same.

2) Subtract the top numbers (the numerators). Put the answer over the same denominator.

3) Simplify the fraction (if needed).

Step-by-step explanation:

Hope this helps!

6 0

3 years ago