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3 years ago

A card is drawn from a deck of 52 cards find the probability of drawing an 8 or an ace

Mathematics

1 answer:

vazorg [7]3 years ago

5 0

Answer:

15.38% or 0.1538

To know:

[] There are 4 cards that are 8s in a standard 52-card deck

[] There are 4 aces in a standard 52-card deck

Step-by-step explanation:

[] Wanted outcomes divided by possible outcomes

4 + 4 = 8 wanted outcomes

52 possible outcomes

8 / 52 ≈ 0.1538

[] Converting to a percentage

0.1538 * 100 = 15.38%

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

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3 years ago

Two boats leave a port at the same time, one going north and the other traveling south. The northbound boat travels 18 mph fast

shutvik [7]

Answer:

10 hours

Step-by-step explanation:

Two boats leave a port at the same time, one going north and the other traveling south.

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3 years ago

Use the quadratic formula to find the solutions for.. y = 2x^2 - 9x + 5.

Yakvenalex [24]

Answer: $x=\frac{9}{4}-\frac{\sqrt{41} }{4} \\x=\frac{9}{4}+\frac{\sqrt{41} }{4}$

Step-by-step explanation:

$2x^2-9x+5$

a=2

b=-9

c=5

$x=\frac{-b\frac{+}{}\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-9)\frac{+}{}\sqrt{(-9)^2-4(2)(5)} }{2(2)}$

$x=\frac{9\frac{+}{}\sqrt{81-40} }{4}$

$x=\frac{9\frac{+}{}\sqrt{41} }{4}$

$x=\frac{9}{4}-\frac{\sqrt{41} }{4} \\x=\frac{9}{4}+\frac{\sqrt{41} }{4}$

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3 years ago