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valkas [14]
3 years ago
12

A deck of cards has three yellow cards and five green cards. One green card is drawn from the deck and not replaced. One more ca

rd is randomly drawn. Find the probability that the second card is yellow.
A. 3/8
B. 3/7
C. 15/56

Mathematics
2 answers:
Furkat [3]3 years ago
5 0
3/7

it used to be 3/8 but when you removed the green card, the total became 1 less because you did not replace the green card
notka56 [123]3 years ago
5 0

Answer:

Option B. 3/7

Step-by-step explanation:

A deck of cards contains yellow cards = 3 and green cards = 5

So total numbers of cards = 3+5 = 8

Now one green card is drawn so numbers of cards left with us = 8-1 = 7

This is true only when this green card was not replaced.

Now the probability to draw second card with color yellow = yellow cards/Total numbers of cards = 3/7

So the answer is Option B. 3/7

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Janelle and her best friend Carmen go shopping. the function p(t) = 5^4-3x^3 +2^2+24 represents how much money each girl spent b
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<h2>Hello!</h2>

The answer is:

They spent $176 together.

<h2>Why?</h2>

We are given an expression which represents the money spent for each girl, it's a function of time and it will show how much they can spend in terms of hours.

Assuming that you have committed a mistake writing the equation, otherwise, the given options would not fit, the expression is:

p(t)=5x^{4}-3x^{3}+2x^{2}+24

Now, from the statement we know that the function represents how much money each girl spent, so, if we need to calculate how much money they will spend together, we need to multiply the expression by 2, so we have:

p(t)=2(5x^{4}-3x^{3}+2x^{2}+24)

Then, calculating the spent money for 2 hours, we need to substitute the variable "x" with 2.

Calculating we have:

p(2)=2(5*(2)^{4}-3*(2)^{3}+2*(2)^{2}+24)=2(5*16-3*8+2*4+24)

p(2)=2(5*16-3*8+2*4+24)=2(80-24+8+24)=2*88=176

Hence, we have that they spent $176 together.

Have a nice day!

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Step-by-step explanation:

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