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ale4655 [162]
3 years ago
8

A total of

Mathematics
1 answer:
slega [8]3 years ago
8 0
Using x as the number of adult tickets sold
If 3x as many student tickets were sold as adults 
--> the number of student tickets is 3x

If the total tickets is 572 and made up of 3x and x

This equation represents the relation ship
Total = 572
number of adult tickets + number of student tickets = 572
x + 3x = 572

When solving for x, we will find the number of adult tickets
x+3x =572
4x=572
x= 572/4
x= 143

143 adult tickets were sold
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Based on the figure, which pair of triangles is congruent by the Side Angle Side Postulate?
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Step-by-step explanation:

In Triangle ABC and Triangle ECD

BD=CD and AD=ED [given in the figure]

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⇒ΔABC ≅ ΔECD [By SAS postulate]

SAS postulate or Side Angle Side postulate tells that if two sides and their included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

5 0
3 years ago
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The height of a football during a punt is modeled by h=-16t^2+60t+3. If the football hits the ground, how long did it stay in th
weqwewe [10]

"how long..." is asking for time (t).  "The amount of time spent in the air" is the time from when the ball was kicked (0 seconds) to the time it landed on the ground.  Need to find the x-intercepts (one will be negative which will be invalid). You can do this by factoring ... <em>or by using the quadratic formula.</em> With the equation you provided, it is not factorable, so you must use the quadratic formula.

h = -16t² + 60t + 3

   a=-16   b=60  c=3

t = \frac{-b +/- \sqrt{b^{2}-4ac } }{2a}

t = \frac{-60 +/- \sqrt{60^{2}-4(-16)(3) } }{2(-16)}

t = \frac{-60 +/- \sqrt{3600 + 192} }{-32}

t = \frac{-60 +/- \sqrt{3792} }{-32}

t = \frac{-60 +/- 61.6}{-32}

t = \frac{-60 + 61.6}{-32}   or   t = \frac{-60 - 61.6}{-32}

t = \frac{1.6}{-32}        or     t = \frac{-121.6}{-32}

   t = -0.05            or     t = 3.8           <em>disregard the negative</em>

Answer: 3.8 seconds


     

8 0
3 years ago
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Proper interval would be 5
8 0
3 years ago
Why are these triangles similar?​
Nezavi [6.7K]
The answer is AA

good luck
3 0
3 years ago
To make a sports drink for the football team, Jaylen filled 9/10 of a large cooler with water. Then, he filled the remaining spa
avanturin [10]
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3 years ago
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