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svetoff [14.1K]
3 years ago
12

What is the measure of angle 1?

Mathematics
1 answer:
frozen [14]3 years ago
6 0

Answer:

Angle 1 = 90°

Reason:

Angle subtended on any point on circumference is always a right angle.

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At the city Museum child admission is $6.40 in adult admission is $9.70 on Sunday 149 tickets were sold for a total sales of $11
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Answer:

Adult=58

Step-by-step explanation:

c=child, a=adult

6.4c+9.7a=1145 equation 1

c+a=149 equation 2

a=149-c modified equation 2 to isolate a

6.4c+9.7(149-c)=1145 substitute value of a from equation 1 into equation 2

6.4c+1445.3-9.7c=1145

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solve for a

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91+a=149

a=58

Check answer:

6.4c+9.7a=1145

6.4(91)+9.7(58)=1145

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