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skad [1K]
2 years ago
5

A spinner is divided into five sections, labeled A, B, C, D, and E. Devon spins the spinner 50 times and records the results in

the table.
Based on the table above, make a prediction for 200 trials.
Choose how you will answer this question below. Then, answer the question.

How many times will the pointer land on a vowel? (The vowels in this table are A and E.) Answer in complete sentences. Be sure to explain how you found your answer. Include calculations if necessary.

Mathematics
1 answer:
tatuchka [14]2 years ago
4 0

Answer:

64/200 times the spinner will land on vowel

Step-by-step explanation:

On the table, the chart says 10 times for A and 6 times for E. This means that the experimental probability for rolling a vowel in a trial of 50 rolls is 16/50.

The next step is create equal ratios. 16/50 = x/200. 50 times <u>4 </u> is 200 so 16 times <u>4 </u> is 64.

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Martin is interested in the effects of different kinds of instruction on videogame performance. Martin asks 30 college freshmen
777dan777 [17]

Answer:

Between - groups variance

Step-by-step explanation:

From the question we see that the college freshmen are assigned to one of the three given groups. This means that they are exposed to different experimental conditions and thus it means that the variation differs as a result of different experimental conditions between the groups.

Thus, these differences reflect between - group variance.

5 0
2 years ago
Find the sum. 3 6 9 ... 294
MArishka [77]
S=((294+3)*(294/3))/2=14553
4 0
3 years ago
What is the unit rate price to the nearest cent of a 33-ounce bottle of juice that sells for $2.99?
marissa [1.9K]

Answer:

$0.09.

Step-by-step explanation:

2.99/33

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7 0
2 years ago
Shopping at clothing world, jenna buys her children four shirts and three pairs of pants for 124.25. She returns the next day an
Aleksandr-060686 [28]

The cost of one shirt is 12.50 and cost of one pair of jeans is 24.75

Step-by-step explanation:

Let,

Cost of one shirt = x

Cost of pair of jeans = y

According to given statement;

4x+3y=124.25    Eqn 1

3x+5y=161.25     Eqn 2

Multiplying Eqn 1 by 3

3(4x+3y=124.25)\\12x+9y=372.75\ \ \ Eqn\ 3

Multiplying Eqn 2 by 4

4(3x+5y=161.25)\\12x+20y=645\ \ \ Eqn\ 4

Subtracting Eqn 3 from Eqn 4

(12x+20y)-(12x+9y)=645-372.75\\12x+20y-12x-9y=272.25\\11y=272.25

Dividing both sides by 11

\frac{11y}{11}=\frac{272.25}{11}\\y=24.75

Putting 24.75 in Eqn 1

4x+3(24.75)=124.25\\4x+74.25=124.25\\4x=124.25-74.25\\4x=50

Dividing both sides by 4

\frac{4x}{4}=\frac{50}{4}\\x=12.50

The cost of one shirt is 12.50 and cost of one pair of jeans is 24.75

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/2670657
  • brainly.com/question/2821386

#LearnwithBrainly

8 0
2 years ago
How do you round 34 to the nearest 10
Rasek [7]
the answer is 30 use the 5 or greater add one more so if the ones spot is a 5+ add one to the tension place
8 0
2 years ago
Read 2 more answers
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