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loris [4]
3 years ago
15

From a standard deck of cards, what is the probability that you choose a red card and then a 3, assuming you replaced the first

card?
Mathematics
1 answer:
aalyn [17]3 years ago
4 0
1/26: 26 red cards make a 1/2 probability, there are 4 3s in a deck, making a 1/13 probability. Considering you don't take the cards and leave them, (1/2)1/13= 1/26
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8 t-shirts and a hat costs £42 3 t-shirts and a hat costs £17 how much does the hat and t shirt cost
cestrela7 [59]
17 + 5shirts = 42
5shirts = 42-17 = 25
1shirt = 25/5 = 5

A shirt costs £5.

3*5 + 1hat = 17
15 + 1hat = 17
1hat = 2

A hat costs £2
7 0
3 years ago
Two factory plants are making TV panels. Yesterday, Plant A produced 6000 panels. Seven percent of the panels from Plant A and 2
azamat

Answer:

1% of 4000 + 4% of B = 2% of (4000 + B)

40 + 0.04*B = 0.02( 4000 + B)

40 + 0.04* B = 80 + 0.02*B

40 + 0.04*B - 80 - 0.02B = 0

0.02*B - 40 = 0

0.02*B = 40

2B = 4000

B = 2000

Step-by-step explanation:

7 0
3 years ago
A spinner has 13 equal-sized sections marked 1 through 13. Find the probability. Enter your answer as a simplified fraction. You
grin007 [14]

Answer:

7/13

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP FASTTTTTT IT IS DUE SOON thank you!
lions [1.4K]

Answer:

The answer to both photos is 1.

Step-by-step explanation:

Rise over run is looking at each plotted point on the graph and counting upward until level with the first point from zero, then going across the graph until you reach the plotted point.

The rise for the first picture is 3/1, and if you reverse them, you get, (1, 3).

- Hope this helps, good luck.

5 0
3 years ago
At the local grocery store, q 16-ounce bottle of Apple juice costs $3.20. What is the cost of the Apple juice per ounce?
galben [10]
16q= 3.20
÷16 on both sides
and you get .20 cents per ounce.
6 0
3 years ago
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