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uranmaximum [27]
3 years ago
10

A jar contains 8 red marbles, 10 blue ones, and Red Blue Yellow 2 yellow ones. One marble is chosen at random. The color is reco

rded in the table, and then it is 14 returned to the jar. This is repeated 40 times. 19. Communicate Mathematical Ideas Use proportional reasoning to explain how you know that for each color, the theoretical and experimental probabilities are not the same.

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0
There is a total of 20 marbles. The odds are that red would be pulled 16 times, blue 20 times and the yellow 4 times
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express each of the following as product of its prime factors, giving your answer in expanded form. a) 24. b) 63. c) 84. d) 150​
Alborosie
To answer this question, you can use a factor tree, or the table thing (I forgot what it’s called.)
You divide the number by one of its PRIME factors, until there is only one left. The numbers you divided it by are written as shown.
Hope this helps. :)
3 0
3 years ago
CAN SOMEONE JUST CHECK MY ANSWER?
12345 [234]

Answer:

you are absolutely correct .........

6 0
3 years ago
Solve the proportion.
Lostsunrise [7]

Answer:

r = 9

Step-by-step explanation:

cross multiply

9 * r = 81

9r = 81

divide both sides by 9

r= 81/9

r = 9

8 0
3 years ago
The volume of the figure
statuscvo [17]
The volume of the pyramid is 15 yd
3 0
3 years ago
Lena purchased a prepaid phone card for $20. Long distance calls cost 21 cents a minute using this card, Lena used her card only
slega [8]

<u>Answer:</u>

37 minutes

<u>Step-by-step explanation:</u>

Lena has 20 dollars. 20 - 12.23 = 7.77

Lena has $7.77 dollars left.

We divide this by .21 to see how many minutes her call was.

7.77 ÷ .21 = 37

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3 years ago
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