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creativ13 [48]
3 years ago
9

Will Mark as brainliest if correct

Mathematics
1 answer:
Pavel [41]3 years ago
8 0

The club sold 120 student tickets and 30 adult tickets.

<u>Step-by-step explanation:</u>

The cost of student ticket= $12

The cost of adult ticket= $20

The total cost of 150 tickets sold= $2040

Check for which option gives you the answer as $2040

<u>Option A)</u>

The cost of 30 students= 30*12= $360

The cost of 120 adults= 120*20= $2400

The total cost of 150 tickets= 360+2400= $2760 (exceeds 2040)

<u>Option B)</u>

The cost of 120 students= 120*12= $1440

The cost of 30 adults= 30*20= $600

The total cost of 150 tickets= 1440+600= $2040 <u>(correct answer)</u>

<u>Option C)</u>

The cost of 100 students= 100*12= $1200

The cost of 50 adults= 50*20= $1000

The total cost of 150 tickets= 1200+1000= $2200 (exceeds 2040)

<u>Option D)</u>

The cost of 50 students= 50*12= $600

The cost of 100 adults= 100*20= $2000

The total cost of 150 tickets= 600+2000= $2600 (exceeds 2040)

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The number square root of 3 goes on forever with no repeating pattern therefore it is rational?
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Answer:

False

Step-by-step explanation:

A number that can expressed as \frac{p}{q},

Where, p and q are integers such that q ≠ 0, is called a rational number.

Also, a decimal number with repeating pattern is a rational number,

( for eg : 0.333.... = \frac{3}{9} )

Since,

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Thus, √3 is not a rational number.

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see explanation

Step-by-step explanation:

let pq = x

given oq - pq = 1 then oq = 1 + x

Using Pythagoras' identity, then

(oq)² = 7² + x²

(1 + x)² = 49 + x² ( expand left side )

1 + 2x + x² = 49 + x² ( subtract 1 from both sides )

2x + x² = 48 + x² ( subtract x² from both sides )

2x = 48 ( divide both sides by 2 )

x = 24 ⇒ pq = 24

and oq = 1 + x = 1 + 24 = 25 ← hypotenuse

sinq = \frac{opposite}{hypotenuse} = \frac{7}{25}

cosq = \frac{adjacent}{hypotenuse} = \frac{24}{25}



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