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3 years ago

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Mathematics

1 answer:

slava [35]3 years ago

8 0

Step-by-step explanation:

hakdogg happyly ever after

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The state of Vermont can be modeled by a quadrilateral like the one shown. Which is the perimeter of the quadrilateral?

Sveta_85 [38]

Answer:

440 miles

Step-by-step explanation:

Perimeter of a quadrilateral, P :

P = a + b + c + d

Which is the sum of all the sides ;

From the diagram attached ;

Perimeter of the quadrilateral is :

(170 + 160 + 80 + 30) = 440 miles

4 0

3 years ago

The music you hear when listening to a magnetic cassette tape is the result of the magnetic tape passing over magnetic heads, wh

Elden [556K]

Using the given formula T = LS

And given the time is 3 minutes (3 x 60 = 180 seconds)and the speed is 4-1/2 inches per second:

180 = L x 4-1/2

Solve for L by dividing both sides by 4-1/2:

L = 180 / 4-1/2

L = 40

The length should be 40 inches.

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3 years ago

Add: 8p + (-6p6 + 5)

Alika [10]

Answer:

$-6p^6 +8p + 5$

Step-by-step explanation:

$8p + -6p^6 + 5$

$-6p^6 +8p + 5$

6 0

3 years ago

Read 2 more answers

What is the product of (2x – 6)(2x + 6)

vodka [1.7K]

$~~~(2x-6)(2x+6)\\\\=(2x)^2 -6^2~~~~~~~~~~~~~~~~~~~~~;[a^2 -b^2 = (a+b)(a-b)]\\\\=4x^2 -36$

4 0

1 year ago

In a game of rolling a die. If the number showing is even, you win $3, if the number showing is 1 you win $3 and if the number s

IceJOKER [234]

Answer:

(a)

$\left|\begin{array}{c|c|c}---&---&---\\x&\$0&\$3\\---&---&---\\P(x)&\dfrac13&\dfrac23\\---&---&---\\\end{array}\right|$

(b)$2

Step-by-step explanation:

In the given game of rolling a die. these are the possible winnings.

If the number showing is even(2, 4, or 6) or 1, you win $3.
If the number showing is either 3 or 5 you win $0.

There are 6 sides in the die.

$P($obtaining a 1,2,4 or 6)=\dfrac46=\dfrac23\\P($obtaining a 3 or 5)=\dfrac26=\dfrac13$

(i)The probability distribution of x.

Let x be the amount won

Therefore:

Probability distribution of x.

$\left|\begin{array}{c|c|c}---&---&---\\x&\$0&\$3\\---&---&---\\P(x)&\dfrac13&\dfrac23\\---&---&---\\\end{array}\right|$

(ii) Expected amount of dollar won

Expected Amount

$=\sum x_iP(x_i)\\=(0*\dfrac13)+(3*\dfrac23)\\=\$2\\$

You would expect to win $2.

7 0

3 years ago