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liberstina [14]
2 years ago
12

A box contains 100 colored chips; some are pink and some are blue. Milton chooses a chip at random, records the color, and place

s it back in the bag. Milton has recorded 12 pink chips and 18 blue chips. Using these results, what is the predicted number of pink chips in the box? (1 point)
30
40
82
88
9.
(06.02 HC)
A box contains 100 colored chips; some are yellow and some are green. John chooses a chip at random, records the color, and places it back in the bag. John has recorded 57 yellow chips and 19 green chips. Using these results, what is the predicted number of green chips in the box? (1 point)

25
43
76
81
10.
(06.05 MC)
A paper cup is dropped and its landing position is recorded. The cup can land on the side, on the open end, or on the closed end. The results of 20 trials are shown in the table below:

A chart shows tally marks. Main title for the chart is Paper Cup Experiment. The title for the second column is Number of times occurred. The tally mark corresponding to open shows a set of 4 vertical lines cut by a slanting line. The tally mark corresponding to closed shows a set of 4 vertical lines cut by a slanting line and a set of 3 vertical lines. The tally mark corresponding to side shows a set of 4 vertical lines cut by a slanting line and a set of 2 vertical lines.
Based on the table, which of the following best compares the experimental probability of the cup landing on its open end with the experimental probability of the cup landing on its closed end? (1 point)

The probabilities are equal.
The probability of landing on the open end is greater.
The probability of landing on the closed end is greater.
No conclusion can be made.
11.
(06.05 HC)
Ted tossed a coin several times and recorded the number of heads and tails in the following table:

Coin Experiment
Side of Coin Number of
Tosses
Heads 18
Tails 22

What is the experimental probability of getting heads? (1 point)

0.18
0.22
0.35
0.45
12.
(06.05 MC)
Zen rolled a fair six-sided die 12 times. The table below shows the number of times each number was rolled:

Number Cube Experiment
Number onthe Cube Number ofTimesAppeared
1 0
2 3
3 1
4 2
5 2
6 4

According to the results in the chart, what is the experimental probability of getting a number greater than 3 on the die? (1 point)

3 over 12
6 over 12
9 over 12
8 over 12
Mathematics
2 answers:
Lena [83]2 years ago
4 0

The approximate number of pink chips is 40. Here's why: what you need to do is set up the problem as shown below. 12 goes above 30 because you have to know what the total number of chips chosen is in order to relate it to 100 chips. From there, all you have to do is cross-multiply and divide (or my middle school teacher used to call it fish.... I'll explain why). First you are going to draw a line from the 100 to the 12 and multiply them. then you are going to curve the line that you will draw from the 12 to the 30 and divide the product of 12 and 100 by 30. Then you will draw a line from the 30 to the X meaning that the quotient that you find from the product of 120 and 100 divided by 30 equals X.  Hope that helps.

12      x    

30   100  

torisob [31]2 years ago
3 0

Answer:

this is put in wrong

Step-by-step explanation:

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Que multiplicación me da a 100 como resultado?
alexira [117]

Answer: 1 x 100, 2 x 50, 4 x 25, 5 x 20, 10 x 10

Step-by-step explanation:

Todos se multiplican a 100

(I don't know how to speak spanish that well, I'm assuming you asked what multiplies to 100)

3 0
3 years ago
Read 2 more answers
A jar contains 0.75 liter of blackberry juice and 0.60 liter of blueberry juice. Patrick poured 0.25 liter of guava juice into t
mixas84 [53]

Answer:

1.40 litres; order of operations

Step-by-step explanation:

Part A:

First, write it out in the full form.

#1 (.75 litres of blackberry juice + .60 litres of blueberry juice + .25 litres of guava juice) - .20 litres drank = 1.4 litres of juice remaining in the jar

Part B:

Removing the wordy descriptions from the expression, we get the following:

#2 (.75 + .60 +.25) - .20

or, by adding the numbers in the parentheses first:

#3 (1.60) - .20 = 1.40

#4 1.40 litres of juice left in the jar

The order of operations was used in moving from step #2 to step #3, as operations within the parentheses were conducted before subtracting the .20 litres of juice which were drank.

8 0
2 years ago
Which choice is the solution to the inequality below?<br> 2x &lt; 20
sergey [27]
X less than 10 is the answer I think
7 0
3 years ago
Complete the table below.
ohaa [14]

Answer:

4 , 2, 8, 4 ..............

7 0
3 years ago
Are the following ratios proportional?<br><br> 5:8 and 25:40<br><br> a) Yes<br> b) No
Alenkasestr [34]

Answer:

a)yes

Step-by-step explanation:

5 times 5 is 25

8 times 5 is 40

5 0
2 years ago
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