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Alexxx [7]
2 years ago
13

A concert manager counted 525 ticket receipts the day after a concert. The price for a student ticket was $10.50, and the price

for an adult ticket was $18.00. The register confirms that $8,325.00 was taken in. How many student tickets and adult tickets were sold?
Mathematics
1 answer:
KiRa [710]2 years ago
6 0

Answer:

150 student tickets and 375 adult tickets

Step-by-step explanation:

Let x = # of student tickets sold, and y = # of adult tickets sold.

Total of 525 tickets were sold, so the first equation is x + y = 525. The register gained $8325, so 10.50x + 18y = 8235 is the second equation.

x + y = 525

10.50x + 18y = 8325

18x + 18y = 9450

10.50x + 18y = 8325

7.5x = 1125

x = 150

150 + y = 525

y = 375

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algol13

Answer:

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Step-by-step explanation:

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3 years ago
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zloy xaker [14]

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3 years ago
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What is sin 45°? O A. 1/2 12 1 OB. NI O C. 1 O D. O E. 1 3 O F. 13 ap.ex​
andrew-mc [135]

1/√2

Step-by-step explanation:

Imagine a right-angled triangle, for e.g. Triangle ABC,

Where

B = 90°

Remember your Toa Cah Soh.

sin 45° = opposite / hypotenuse

If theta = 45°

Angles A and C = 45° (Sum of angles in a triangle equal = 180°)

Since theta are the same, we can also deduce that the length AB and BC are the same.

Take for example AB = BC = 1 = opposite

By the Pythagorean theorem,

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6 0
2 years ago
In a survey, of the voters support a particular referendum. If 40 voters are chosen at random, find the mean and variance for th
Katyanochek1 [597]

This question is incomplete, the complete question is;

In a survey, 55% of the voters support a particular referendum. If 40 voters are chosen at random,

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Answer:

a) The Mean is 22

b) Variance is 9.9

Step-by-step explanation:

Given that;

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q = 1 - p = 1 - 0.55 = 0.45

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Mean = 40 × 0.55

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Therefore the Mean is 22

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Answer:

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a+|-23+6|=-32

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3 years ago
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