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Aleks04 [339]
3 years ago
5

If you are dealt 4 cards from a shuffled deck of 52​ cards, find the probability that all 4 cards are diamonds

Mathematics
1 answer:
diamong [38]3 years ago
4 0
Probability=13/52*12/51*11/50*10/49=11/4165
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Tanya is training a turtle for a turtle race. For every 5/6 of an hour that the turtle is crawling, he can travel 1/7 of a mile.
Kamila [148]

Answer:

6/35 miles per hour

Step-by-step explanation:

To find the unit rate, put distance over time

distance = 1/7 miles

time = 5/6 of an hour

miles/hours

(1/7)/(5/6)

(1/7)*(6/5)

6/35 miles per hour

6 0
3 years ago
Which of the following pairs could be reasonable approximations for the diameter and circumference of a circle? 18 inches and 57
chubhunter [2.5K]

Answer:

18 inches and 57 inches

Step-by-step explanation:

The diameter and the circumference of a circle are proportionate to each other.

The circumference of a circle will always be the diameter times \pi. We know this because the circumference of a circle is represented as

2 \pi r

Since the diameter is twice the radius, we multiply the radius by 2 - there's already a \cdot 2 in this equation, so c = \pi d.

1st option: 18\cdot3.14 = 56.52, this is close to 57 so it's reasonable.

2nd option: 3\cdot 3.14 = 9.42, this isn't close to 28 at all.

3rd option: 33 \cdot 3.14 = 103.62, this isn't close to 80 at all.

So the 1st option is reasonable.

Hope this helped!

5 0
3 years ago
Read 2 more answers
Matilda was curious if sample interquartile range (IQR) was an unbiased estimator of population IQR. She placed ping pong balls
Amiraneli [1.4K]

Answer: Sample IQR appears to be a biased estimator since it consistently underestimated the population IQR.

Step-by-step explanation: Checked by Khan Academy

6 0
3 years ago
Solve the inequality <br> |7-2y|-8 ≥ -3
dangina [55]

Answer:

y is less than or equal to 1 OR y is greater than or equal to 6

Step-by-step explanation:

6 0
3 years ago
Need help on number 12....
Vaselesa [24]

Answer:

the answer is A. Elijah is correct.

5 0
4 years ago
Read 2 more answers
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