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AlladinOne [14]
3 years ago
6

PLEASE HELP IN ONE MINUTE

Mathematics
1 answer:
marissa [1.9K]3 years ago
4 0

Answer:

no solution

Step-by-step explanation:

x2-x1/y2-y1

8-5/-4+4= 3/0

3/0 = N/0 solution

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A deck of cards with four suits; hearts, diamonds, spades, and clubs. you pick one card, put it back and thennpick another card.
Llana [10]

1. First, let us find the probability that the first card is a diamond.

Now, since we are given that there are four suits and there are, assumably, an equal number of cards in each suit, we can say that the probability of choosing a diamond card is 1/4. We can also write this out as such, where D = Diamond:

Pr(D) = no. of diamond cards / total number of cards

There are 52 cards in a deck, and 13 cards of each suit, thus:

Pr(D) = 13/52 = 1/4

2. Now we need to calculate the probability of not choosing a diamond as the second card.

In many cases, when given a problem that requires you to find the probability of something not happening, it may be easier to set it out as such:

Pr(A') = 1 - Pr(A)

ie. Pr(A not happening, or not A) = 1 - Pr(A happening, or A)

This works because the total probability is always 1 (100%), and it makes sense that to find the probability of A not happening, we take the total probability and subtract the probability of A actually happening.

Thus, given that we have already calculated that the probability of choosing a Diamond is 1/4, we can now set this out as such:

Pr(D') = 1 - Pr(D)

Pr(D') = 1 - 1/4

Pr(D') = 3/4

3. Now we come to the final step. To find the probability of something and then something else happening, we must multiply the two probabilities together. Thus, given that Pr(D) = 1/4 and Pr(D') = 3/4, we get:

Pr(D)*Pr(D') = (1/4)*(3/4)

= 3/16

Thus, the probability of choosing a diamond as the first card and then not choosing a diamond as the second card is 3/16.

7 0
3 years ago
A box is filled with 5 brown cards, 4 red cards, and 5 green cards. A card is chosen at random from the box. What is the probabi
DENIUS [597]

Answer:

10 out of 14

10/14

5/7

Step-by-step explanation:

3 0
3 years ago
A line passes through the point (8,7) and has a slope of negative 3/4 Write an equation in slope-intercept form for this line.
Anton [14]

Answer: Y= -3/4x+13


Step-by-step explanation:

A line passes through the point (8,7) and has a slope of negative 3/4 Write an equation in slope-intercept form for this line.

This is what i get

Slope of a line Y= mx+b

Y= 7

X= 8

M= -3/4


7= -3/4(8)+b

7= -6+b

7+6=b

13=b


Y= -3/4x+13

6 0
3 years ago
Jazmin and Justine went shopping for back to chool clothes. Jazmin purchasrd three shirts and one pair of shorts ans spent $38.0
spin [16.1K]

Answer:

What are we trying to figure out with this information??

P.S. I am not collecting the points, I will revise my answer once you fix the question!! :)

7 0
3 years ago
2.74 as a mix number
Inga [223]

Answer:

2 74/100

Step-by-step explanation:

6 0
3 years ago
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