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vaieri [72.5K]
3 years ago
7

If you need more than 60% of the students surveyed to like your product how many out of 500 would you have to survey

Mathematics
1 answer:
Mashutka [201]3 years ago
6 0
Here is your answer.

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2sinx / cos3x = tan3x - tanx
marishachu [46]
The value of tan3x must be greater than the value of cos3x, because it is subtractable by a lesser value.
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Please help me with this problem!!!
Lilit [14]

3  {}^{4x  - 5}  = ( \frac{1}{27} ) {}^{2x + 10}  \\ note  \: \: that =  \\ ( \frac{1}{27} ) = ( \frac{1}{3 {}^{3} } ) = 3 {}^{ - 3}  \\  \\ 3 {}^{4x - 5}  = (3 {}^{ - 3} )  {}^{2x + 10}  \\ 3 {}^{4x + 5}  = 3 {}^{ - 3(2x + 10)}  \\ equal \:  \: bases =  > equal \: exponents

4x - 5 =  - 3(2x + 10) \\ 4x - 5 =  - 6x - 30 \\ 4x  + 6x =  - 30 + 5 \\ 10x =  - 25 \\ x =   - 2.5

7 0
2 years ago
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Solve the equation for x. <br><br> 2(5x + 3) = 26
Aleksandr [31]

Answer: x=2

Step-by-step explanation:

2(5x+3)=26

Distribute the 2

10x+6=26

Subtract 6 from both sides

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Divide both sides by 10

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5 0
3 years ago
The revenue for a company producing widgets is given by y = -20x2 - 50x + 200, where x is the price in dollars for each widget.
lisov135 [29]

Answer:

The  price is   x =  $2.779

Step-by-step explanation:

From the question we are told that

  The  revenue is  y = - 20x^2  - 50 x + 200

   The cost of production is  y = 30 x - 10

Generally at break even point the cost of production is equal to the  revenue

So

      -20x^2 -50x + 200 =  30x-10

=>   20x^2 +20 -210 = 0

Using the quadratic formula to solve this equation we have that

       x =  $2.779

     

6 0
3 years ago
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How do you write <br>the quotient of 3 and the total of 4 and a number
marta [7]
3 divided by (4 + n). Hope it helps! :)
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3 years ago
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