4 years ago

Denny chose two cards randomly from a deck. What is the probability of getting a Queen and a Jack without replacement?

1 answer:

6 0

8 out of 52 because there is 4 jacks and 4 queens you would add them. There is 52 cards in a deck so you would say 8:52 or 8/52.

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The eastern continental trail is 15 times longer than the Erie canal way trail. The combined length of the hiking trails is 5,76

Lena [83]

The length of eastern continental trail is 5400 miles and length of erie canal trail is 360 miles.

Step-by-step explanation:

Given,

Combined length of both trails = 5760 miles

Let,

x be the length of eatern continental trail.

y be the length of Erie canal trail.

According to given statement;

x+y=5760 Eqn 1

x = 15y Eqn 2

Putting value of x from Eqn 2 in Eqn 1

$15y+y=5760\\16y=5760$

Dividing both sides by 16

$\frac{16y}{16}=\frac{5760}{16}\\y=360\\$

Putting y=360 in Eqn 2

$x=15(360)\\x=5400$

The length of eastern continental trail is 5400 miles and length of erie canal trail is 360 miles.

Keywords: linear equation, substitution method

Learn more about substitution method at:

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natulia [17]

I believe it would be c

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Amiraneli [1.4K]

Answer:

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$\log_2(\log_5x)=3\\\\\log_5x=8\\\\x=5^8\\\\x=390,625$

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Bethany is making cookies for her friend. If it takes her 15 minutes to make 3 dozen, how long will it take her to make 6 dozen

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If three dozens took 15 minutes that five minutes a dozen and with six dozens it would be 30 minutes

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