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Sladkaya [172]
3 years ago
14

A set of cards contains cards numbered 1-10. Mrs. Jacobs class is conducting an experiment in which a card Is drawn from the pil

e, the number is recorded, and then the card is returned to the set. The class will conduct 800 trials. Based on the theoretical probability which is the best prediction for the number of times a 7 will be drawn from the pile?
Mathematics
2 answers:
Olegator [25]3 years ago
7 0

Answer:

a

Step-by-step explanation:

Korvikt [17]3 years ago
7 0

Answer:

your answer would be A

Step-by-step explanation:

please mark brainliest

hope this helps

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-5(-x - 1) + 4x – 1= 49<br> solve for x
Anton [14]

Answer:

x=5

Step-by-step explanation:

-5(-x - 1) + 4x – 1= 49

Distribute

5x +5 +4x -1 = 49

Combine like terms

9x +4 = 49

Subtract 4 from each side

9x+4-4 = 49-4

9x = 45

Divide by 9

9x/9 =45/9

x = 5

4 0
3 years ago
Read 2 more answers
Stephen uses 2/25 kilograms of tofu in each serving of his famous tofu dish. He has 1 1/10 kilograms of tofu. How many servings
larisa [96]

Answer: He has 1 1/10 kilograms of tofu.

Step-by-step explanation: We will have to divide the number of tofu required with the number of tofu own. Stephen uses 2/25 kilograms of tofu in each serving and he has 11/10 kilograms tofu.

7 0
3 years ago
Convert 5.6 into vulgar fraction​
zheka24 [161]

Answer:

The answer is 28/5

Step-by-step explanation:

5.6 can be written as 56/10 into vulgar fraction.

Thus, The answer is 56/10 = 28/5

<u>-TheUnknownScientist 72</u>

8 0
2 years ago
Which expression represents the phrase?
dexar [7]

Answer:

C

Step-by-step explanation:

1) y + 8 -- y is increased by 8

2) 3( y + 8 ) -- then tripled

6 0
3 years ago
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The ratio of boys to girls in a group is 3 to 1 is there are 28 more boys then girls workout how many people their are it total
worty [1.4K]

Answer:

56 total

Step-by-step explanation:

Let the number of girls = x

Let the number of boys = 3x

x                      1

===       =    ==========

x + 28              3

Cross multiply

3x = x + 28                  Subtract x from both sides

3x - x = 28                   Combine

2x = 28                        Divide by 2

x = 28/2

x = 14

Girls = 14

Boys = 14 + 28 = 42

Is the ratio 3 to 1?

42/14 =  3/1 Yes it does

Total number

14 + 42 = 56

5 0
3 years ago
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