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ozzi
3 years ago
7

Can anyone help with this please? Janell randomly surveyed 50 students. She found out that 42 of the students had been to a musi

c concert. There are 2,870 students at the school. Based on her survey, about how many students in school have been to a music concert?
Mathematics
1 answer:
sweet [91]3 years ago
8 0

Answer:

2411

Step-by-step explanation:

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How many solutions does this linear system have?
Andrews [41]

Answer:

x = 0 , y = 4

Step-by-step explanation:

Solve the following system:

{y = 4 - 3 x | (equation 1)

x + 2 y = 8 | (equation 2)

Express the system in standard form:

{3 x + y = 4 | (equation 1)

x + 2 y = 8 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

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0 x+(5 y)/3 = 20/3 | (equation 2)

Multiply equation 2 by 3/5:

{3 x + y = 4 | (equation 1)

0 x+y = 4 | (equation 2)

Subtract equation 2 from equation 1:

{3 x+0 y = 0 | (equation 1)

0 x+y = 4 | (equation 2)

Divide equation 1 by 3:

{x+0 y = 0 | (equation 1)

0 x+y = 4 | (equation 2)

Collect results:

Answer: {x = 0 , y = 4

8 0
3 years ago
Is 666 = 37 positive or negative?
svetoff [14.1K]

Answer: Positive (but not sure)

Step-by-step explanation: Are there answers to the questions is so i could help more but if correct hope i helped :)

4 0
2 years ago
Which expressions are equivalent to 76(3 + c)?​
dimaraw [331]

Answer:

76c + 228

Step-by-step explanation:

Use the distributive property

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6 0
3 years ago
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g100num [7]

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I think this is the answer

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25-60+36

Step-by-step explanation:

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