Answer:
B
Step-by-step explanation:
Reason...sum of angles in a triangle is equal to 180⁰
R+V+T=180⁰
60⁰+90⁰+x⁰=180⁰
150⁰+x⁰=180⁰
x⁰=180⁰-150⁰
:. x⁰=30⁰
For every negative number, you multiply that number by two, and then negative one.
For example: -5*2= -10. -10*-1=10.
Answer:y=200 students
Step-by-step explanation:Let x = the number of adult tickets sold
Let y = the number of student tickets sold
x + y = 375 x = 375 - y
7.50x + 4.50y = 2212.50 Multiply both sides of this equation by 10 to remove the decimal points.
75x + 45y = 22,125
75(375-y) + 45y = 22,125
28,125 - 75y + 45y = 22,125
-30y = -6000
y = 200 student tickets
300x1.05^3
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