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solniwko [45]
3 years ago
15

A card is selected at random from a deck of well shuffled cards. It is replaced and another card is selected. What is the probab

ility of selecting a red card and then a black card? 1/4 1/3 1/2 1/8
Mathematics
1 answer:
Marianna [84]3 years ago
4 0

Answer:

1/4

Step-by-step explanation:

you count it as (good)/(possible)

so number of good situations is 26²

and there is 52² possible situations

so answer is 26²/52²=1/4

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Jake is building a fence around his property. He wants the perimeter to be no more than 100 feet. He also wants the length to be
matrenka [14]

Answer:10 feet

Step-by-step explanation:

3 0
3 years ago
The following table shows the final scores for a group of mini golf reset adventure Land find the median number of strokes
solong [7]
The median would be the middle data point. Let’s list the points

25, 26, 31, 39, 32, 57

Put them in order from least to greatest

25, 26, 31, 32, 39, 57

There is an even amount of data so take the two center points and divide by 2

31 + 32 = 63

Divide by 2

31.5

There would be an average of 31.5 strokes
7 0
2 years ago
Read 2 more answers
Please help ASAP this Is due tomorrow
Grace [21]

Answer:

384 inches²

Step-by-step explanation:

The surface area of a cube is found by using 6a².

6 = the number of sides in a cube

a = the given dimension (in this case, 8 inches long)

SA = (6)8²

SA = 6(64)

SA = 384

Hope this helps, sorry if it’s not what you’re looking for :)

3 0
3 years ago
If the third of 7 consecutive numbers is 12,what is their sum?
Lerok [7]

Step-by-step explanation:

the third of 7 consecutive numbers is 12.

so, this looks like

..., ..., 12, ..., ..., ..., ...

that means the numbers have to be

10, 11, 12, 13, 14, 15, 16

the sum is then

16+10 + 15+11 + 14+12 + 13 = 3×26 + 13 = 91

4 0
2 years ago
POINTS!! I NEED HELP WITH THIS, WILL GIVE BRAINLIEST TO BEST ANSWER<br> (9 &amp; 10)
enot [183]

Answer: <em>I got these correct 100%.</em>

Step-by-step explanation:

First page:

1. True

2. True

3. True

4. True

5. False

6. True

7. False

Second page:

1.False

2.False

3.False

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5.False

6.True

7.True

8.True

5 0
3 years ago
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