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Zolol [24]
3 years ago
12

Five pounds is equal to 2.268 kilograms. How many kilograms is 2 pounds?

Mathematics
1 answer:
Tema [17]3 years ago
4 0

Given:

5 pounds = 2.268 kilograms

To find:

The number of kilograms in 2 pounds.

Solution:

We have,

5 pounds = 2.268 kilograms

Divide both sides by 5.

1 pounds = \dfrac{2.268}{5} kilograms

1 pounds = 0.4536 kilograms

Multiply both sides by 2.

2 pounds = 2×0.4536 kilograms

2 pounds = 0.9072 kilograms

Therefore, the correct option is B.

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A fair die is rolled 10 times. Find the expected value of:a) the sum of the numbers in the ten rolls;b) the number of multiples
velikii [3]

Answer:

a) 3.5

b) 3.33

c) 6 - 6\left(\begin{array}{ccc}5\\6\end{array}\right)^{10}

Step-by-step explanation:

As given,

A fair die is rolled 10 times

a)

Expected value of Sum of the number in 10 rolls = \frac{1}{6}(1+2+3+4+5+6) = \frac{21}{6}

                                                                                = 3.5

∴ we get

Expected value of Sum of the number in 10 rolls = 3.5

b)

Ley Y : number of multiples of 3

Y be Binomial

Y - B(n = 10, p = \frac{2}{6} )

Now,

Expected value = E(Y) = np = 10×\frac{2}{6}  = 3.33

c)

Let m = total number of faces in a die

⇒m = 6

As die is roll 10 times

⇒n = 10

Now,

Let Y = number of different faces appears

Now,

Expected value, E(Y) = m - m\left(\begin{array}{ccc}m-1\\m\end{array}\right)^{n}

                                  = 6 - 6\left(\begin{array}{ccc}6-1\\6\end{array}\right)^{10} = 6 - 6\left(\begin{array}{ccc}5\\6\end{array}\right)^{10}

5 0
2 years ago
Describe what the graph of the sounds at a rock concert look like.
Romashka-Z-Leto [24]

The graph would be similar to a Sin or Cos graph with a vertical shift. As the music gets louder the graph will go up and as the music and crowd become quieter, the graph will go down. Going up and down until the end of the concert where it will be 0.


Also side note, are you by chance in Trig 01 Summer course? If so, I am in the same class haha.

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Demetrius invested money into two different stocks after one year he revived a letter that summarized the preformance of the sto
tino4ka555 [31]

Answer:

C

Step-by-step explanation:

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3 years ago
Find the value of x in the figure below. Assume that the lines are parallel
Andreas93 [3]
C

work:

75 is equal to 2x+15

75-15 = 60

60/2 = 30

x=30
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2 years ago
Each finger width is about 10 miles how many miles will he count if he uses 7 finger widths
Sever21 [200]

Answer:

7 Miles is the answer.

Step-by-step explanation:

10*7=70.

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2 years ago
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