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2 years ago

5

QUESTION 1 of 10: A Stadium sold 4,000 tickets at $75 ticket, 5,350 tickets at $62/ticket and 7,542 tickets at $49/ticket. What

was the total
ticket sales revenue?
a
$16.392

1 answer:

Bad White [126]2 years ago

8 0

The answer is $186

You will add all the amount it had in the process of selling the tickets

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Find the difference of 5k?-7k +6 and<br> 3k - 4k+1.<br> 2

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2 years ago

(2n^4 - 8 - 3n) - (4n^2 + 7n +4) <br> I have to simplify but don't know how to

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2 years ago

Simplify 1 by 4 plus 1 1 by 4 plus 1 2 by 5

dybincka [34]

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3 0

2 years ago

HELP <3 Match the expressions with their solutions.

densk [106]

Answer:

1 ) sin 165°

2 ) cos 330°

3 ) Tan 157.5°

4 ) $sin^2 157.5$

Step-by-step explanation:

1 )

Given expression is $\sqrt{\frac{1-cos330}{2} }$

We know that $cos2x=1-2sinx^{2}$

$sinx^{2}=\frac{1-cos2x}{2}$

$(sinx/2)^2=\frac{1-cosx}{2}$

So the first expression is sin (330/2)° =sin 165°

2 )

GIven expression is $1-2sin^2165$

We know that $cos2x=1-2sinx^{2}$

So the result is cos 330°

3 )

Given expression is $\frac{1-cos 315}{sin315}$

We know that $cos2x=1-2sinx^{2}$

Also we know that sin2x = 2sinxcosx

So The numerator becomes $2sin^2x/2$ . and the denominator becomes as $2sinx/2cosx/2$

$\frac{2sin^2x/2}{2sinx/2cosx/2}=tanx/2$

So the result is Tan 157.5°

4 )

Given expression is $\frac{1-cos 315}{2}$

We know that $cos2x=1-2sinx^{2}$

$(sinx/2)^2=\frac{1-cosx}{2}$

So the result is $sin^2 157.5$

6 0

3 years ago