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4 years ago

11

To make a ribbon wreath, Casey needs 10 1/2 yards of ribbon. Each package of ribbon contains 3 3/4 feet of ribbon. How many pack

ages of ribbon must Casey buy to make one wreath?

1 answer:

kvasek [131]4 years ago

6 0

The answer is 8.4 so you would need 9 rolls of ribbon

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∆ABC is isosceles, AB = BC, and CH is an altitude. How long is AC, if CH = 84 cm and m∠HBC = m∠BAC +m∠BCH?

son4ous [18]

I think I could help you
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3 years ago

Please help. Brainliest mark

vova2212 [387]

Answer. A
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3 years ago

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,

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

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

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

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

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3 years ago

0.2(12x-10)-3x+2=0<br> what's the answer?

lina2011 [118]

Answer:

im not sure but i think its -25

Step-by-step explanation:

hope im not wrong:)

hope you have a great day and god loves you:))

8 0

3 years ago

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What is the simplified form of 357-5672

spayn [35]

Answer:

17/2

Step-by-step explanation:

hope this helps

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3 years ago

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