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Kay [80]
3 years ago
12

The cost of performance tickets and beverages for a family of four can be modeled using the equation 4x + 12 = 48, where xrepres

ents the cost of a ticket. How much is one ticket?
Mathematics
2 answers:
kumpel [21]3 years ago
8 0
Solve the equation for x:
4x+12=48
Subtract 12 from both sides: 4x=36
Divide 4 from both sides to isolate x: x=9
Rufina [12.5K]3 years ago
8 0
9 is your answer subtract 12 from each side then 36/4
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What are the missing angle measures in triangle ABC?
Finger [1]

we know that

In the right triangle ABC

∠A+∠B=90 ------> by complementary angles

so

Step 1

Find the measure of angle B

we know that

tan\  B=\frac{opposite\  side\  angle\  B}{adjacent\  side\  angle\  B}

in this problem

opposite\  side\  angle\  B=7in\\ adjacent\  side\  angle\  B=5in

so

tan\  B=\frac{7}{5} \\ \\ B=arc\ tan\frac{7}{5} \\ \\ B=54.5\ degrees

Step 2

Find the measure of angle A

A+B=90\\ A=90-B\\ A=90-54.5\\ A=35.5\ degrees

therefore

the answer is the option

35.5° and 54.5°




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Is answer choice D correct help please ??
SpyIntel [72]
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