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Lisa [10]
3 years ago
9

In a standard deck of playing cards, there is a total of 56 cards, 4 of which are jacks. What is the formula for the probability

of drawing a single jack from the deck of cards?
Mathematics
1 answer:
VladimirAG [237]3 years ago
6 0

Answer:

the probability is  1/14 (7.14%)

Step-by-step explanation:

Since each card of the total of 56 equally likely to be chosen, then the probability is the ratio of the number of favourable outcomes divided by the total number of outcomes of the experiment. Thus the probability of getting a single Jack when there are 4 in 56 cards is

probability = number of favourable outcomes/ total number of outcomes = 4 Jacks / 56 different cards = 1/14 =0.0714 (7.14%)

thus the probability is  1/14 (7.14%)

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If the circumference of a circle measures 25.12cm, what is the area of the circle in terms of pi?
kiruha [24]

Answer:

Step-by-step explanation:

The formula for circumfrance is 2*(pi)*R and the formula for area is (pi)* R^2 or (pi) R-squared.

Circumfrance is 25.12 so....

25.12 = 2 * (pi) R........ you want to find R because you need it to find the area

R is about 4; it is 3.99797 .

You use the R that you goot from cirdumfrance to find area.

Area = (pi) (4)^2 = 50. 265

or is you prefer a more precise answer, Area = 50.2145

4 0
3 years ago
If AG =2x +10 and CF =5x-2, find the value of x
andrezito [222]

The value of x is 4 if the  AG =2x +10 and CF =5x-2 which are opposite sides of a parallelogram option (d) is correct.

<h3>What is parallelogram?</h3>

In two-dimensional geometry, it is a plane shape having four sides, in which two pairs of sides are parallel to each other and equal in length. The sum of all angles in a parallelogram is 360°.

The question is incomplete:

The complete question is in the picture please refer to the picture.

We have given the side measure of a parallelogram:

AG =2x +10 and CF =5x-2

As we know in the parallelogram the opposite sides are equal in measure.

AG = CF

2x + 10 = 5x - 2

3x = 12

x = 4

CF = 5x - 2 = 5(4) - 2 = 20 - 2 = 18

Thus, the value of x is 4 and value of CF is 18if the  AG =2x +10 and CF =5x-2 which are opposite sides of a parallelogram.

Learn more about the parallelogram here:

brainly.com/question/1563728

#SPJ1

6 0
2 years ago
This one as well please
Ipatiy [6.2K]
Okay so, your answer should be 10. I wrote out each step but my handwriting is bad. let me know if I need to redo it for you!

4 0
3 years ago
Round 4.8367 to<br> the thousandths place.
gregori [183]

Answer:

4.837

Step-by-step explanation:

4 0
2 years ago
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What is the equation of the blue line?
zlopas [31]

Answer:

Where is the blue line?

Step-by-step explanation:

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