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Elza [17]
3 years ago
5

Hector plans to randomly draw a card from a standard deck of cards, record the result, return the card to the deck, shuffle the

deck, and randomly draw another card. So, he will draw a total of 2 cards.
What is the probability that he draws a 2, and then a 4?
Mathematics
2 answers:
Licemer1 [7]3 years ago
8 0
Well we need to know how many 2's their are and how many 4's there are to know this

Nitella [24]3 years ago
8 0

Answer:

P=0.59%

Step-by-step explanation:

Hello

we need to know that A "standard" deck of playing cards consists of 52 Cards in each of the 4 suits of Spades, Hearts, Diamonds, and Clubs. Each suit contains 13 cards: Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King, so we have 4 cards with the number 2 , and 4 cards with the number 4

the probability that hector draws a 2 is

p=100%*\frac{4}{52}

p=100%*0.0769

p=7.69%

the probability that on the second attempt to draw a 4 is the same

the total probability is the product of the 2 events

P=100%\frac{4}{52} *\frac{4}{52}

P=100%*0.0059

P=0.59%

have a great day.

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lubasha [3.4K]
I say it’s c it makes the most sense to me
3 0
2 years ago
Read 2 more answers
What is the volume of a hemisphere with a radius of 2.3 m, rounded to the nearest tenth of a cubic meter?
ANTONII [103]

Answer:25.5m^3

Step-by-step explanation:

radius(r)=2.3m

π=3.14

volume of hemisphere=2/3 x π x r^3

Volume=2/3 x 3.14x(2.3)^3

Volume=2/3 x 3.14 x 2.3 x 2.3 x 2.3

volume=(2x3.14x2.3x2.3x2.3) ➗ 3

Volume=76.40876 ➗ 3

Volume=25.5

3 0
3 years ago
*Written Response Question*
belka [17]

The relationship between lines KO and K’O’ is given as Line K'O' = 5 * line KO

<h3>What is a transformation?</h3>

Transformation is the movement of a point from its initial point to a new location. Types of transformation are<em> reflection, rotation, translation and dilation.</em>

Dilation is the increase or decrease in size of a figure by a scale factor.

The larger figure was dilated using a scale factor of 5, hence:

Line K'O' = 5 * line KO

The relationship between lines KO and K’O’ is given as Line K'O' = 5 * line KO

Find out more on transformation at: brainly.com/question/4289712

#SPJ1

7 0
1 year ago
What is the square root of <br> X of the power of 2 -1 =80?
zepelin [54]

Answer:

x=6561

Step-by-step explanation:

We can solve this equation for x to get

\sqrt{x} -1=80\\\\\sqrt{x} =81\\x=(81)^2\\\\x=6561

5 0
3 years ago
Angie and Becky each completed a separate proof to show that the measures of vertical angles AKG and HKB are equal. Who complete
Helga [31]

Answer:

Becky, because her justification for the second statement should be "definition of supplementary angles" rather than "angle addition postulate."

Step-by-step explanation:

Becky completed the proof incorrectly because her justification for the second statement is not totally correct.

Angle addition postulate does not really apply here, as the sum of 2 angles may not give you exactly 180°.

However, the second statement, m<AKG + m<GKB = 180° and m<GKB + m<HKB = 180°, can be justified by the "Definition of Supplementary Angles".

The sum of supplementary angles = 180°.

Therefore, Becky completed the proof incorrectly.

6 0
2 years ago
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