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butalik [34]
3 years ago
15

A bag contains 7 red discs, 5 green discs and 2 pink discs.

Mathematics
1 answer:
mr Goodwill [35]3 years ago
5 0
<h3>Answer:  50</h3>

Work Shown:

5 green discs

7+5+2 = 14 discs total

5/14 is the probability of getting a green disc

(5/14)*140 = 50 green discs are expected if 140 trials are conducted.

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Jordan ran for 12 minutes.
schepotkina [342]

Answer:

1 minute =60second

12x60=720second

6 0
3 years ago
Read 2 more answers
Counting the number of times a third-grade student leaves his seat without permission during a 30-minute observation period is a
notka56 [123]

Answer:

Behavioral modality of measurement

Step-by-step explanation:

Observing a 3rd grade student for 30 minutes as to how many time he leaves his seat without permission is a clear example of using behavioral modality of measurement.

In this modality of measurement the behavior of the object or system is observed when it is put into action.

This example shows as to what will happen or what is supposed to take place when a 3rd grade student is is seated and observed for 30 minutes. It counts as to how many times he leaves his seat in reaction to his stimulus from the environment.

6 0
3 years ago
8 kg of mixed nuts containing 26% peanuts were mixed with 5 kg of another kind of mixed nuts that contain 52% peanuts. peanuts a
Gnesinka [82]

Answer:

<em>36%</em>

Step-by-step explanation:

"8 kg of mixed nuts containing 26% peanuts"

weight of peanuts: 26% * 8 kg = 0.26 * 8 kg = 2.08 kg

"5 kg ... that contain 52% peanuts"

weight of peanuts: 52% * 5 kg = 0.52 * 5 kg = 2.6 kg

Total weight of peanuts: 2.08 kg + 2.6 kg = 4.68 kg

Total weight of mixed nuts: 8 kg + 5 kg

percent of peanuts: (4.68 kg)/(13 kg) * 100% = 36%

6 0
3 years ago
Ten times a number, x, is one-half the sum of the number and three.
kirill [66]

Answer:

10x=1/2(x+3)

Step-by-step explanation:

Hope it helps :)

Brainliest pls? Have a good day/night

4 0
3 years ago
If Michelle spends $1.60 for lunch and $.80 for snacks each day, how much does she spend in 5 days? Use the distributive propert
V125BC [204]
5(1.60+0.80)
(8+4)
12
Therefore Michelle spends 12 dollars in 5 days
8 0
3 years ago
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