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anygoal [31]
3 years ago
14

The following is an example of a biased sample of students from a middle school.

Mathematics
2 answers:
Archy [21]3 years ago
8 0

Answer:

true

Step-by-step explanation:

LenKa [72]3 years ago
4 0

Answer:

hey i think the answer is true

Step-by-step explanation:

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Which of the following linear inequalities matches the given graph below?
frozen [14]

Answer:

O y > 4

Step-by-step explanation:

The dotted line indicates the line is not part of the inequality, and it is clearly greater than 4.

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2 years ago
One way to compute a 20% tip for a bill is to multiply it by 0.20. A restaurant bill was $35.70. Calculate the tip.
Dafna1 [17]

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7.14

Step-by-step explanation:

7 0
3 years ago
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Which number is missing from the table of equal ratios?
Elodia [21]

Answer:

your answer is option (c) 105

3 0
3 years ago
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Write 5numbers 8digit long
Virty [35]
12345678
23456789
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6 0
3 years ago
A movie theater sold 4 adult tickets and 7 children's tickets for $83 on friday the next day the theater sold 5 adult tickets an
Sergio039 [100]

Answer: An adult ticket cost $12

A child ticket cost $5

Step-by-step explanation:

Let x represent the price for one adult ticket.

Let y represent the price for one child ticket.

A movie theater sold 4 adult tickets and 7 children's tickets for $83 on Friday. It means that

4x + 7y = 83 - - - - - - - - - - - -1

The next day the theater sold 5 adult tickets and 6 children tickets for $90. It means that

5x + 6y = 90 - - - - - - - - - - - -2

Multiplying equation 1 by 5 and equation 2 by 4, it becomes

20x + 35y = 415

20x + 24y = 360

Subtracting, it becomes

11y = 55

y = 55/11 = 5

Substituting y = 5 into equation 1, it becomes

4x + 7 × 5 = 83

4x + 35 = 83

4x = 83 - 35 = 48

x = 48/4 = 12

3 0
3 years ago
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