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katrin2010 [14]
3 years ago
12

What would be the most logical first step for solving this quadratis equation? x²+2x+13= -8

Mathematics
2 answers:
igor_vitrenko [27]3 years ago
6 0

Answer:

subtract 13 from both sides

Step-by-step explanation:

subtract 13 so that you will have all of the x's on one side and all of the constant numbers on the other side of the equal sign.

Natasha2012 [34]3 years ago
5 0

Answer:

B. Add 8 to both sides

Step-by-step explanation:

So you can have 0 at the other end and factor it properly.

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An airline finds that if it prices a cross-country ticket at $200, it will sell 300 tickets per day. It estimates that each $20
olya-2409 [2.1K]

We can write that as a function:

f(n)=(200 -20n) * (300 + 50n)\\f(n)=60000+10000n-6000n-1000n^2\\f(n)=-1000n^2+4000n+60000\\

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It means that it's the best to make 2 price reductions for the company. The tickets should be sold for $200 - 2 * $20 = $160. It results in 2 * 50 more tickets sold which is 300 + 100 = 400.

Answer:

Ticket price: $160

Number of tickets: 400

6 0
3 years ago
If you were to draw three different parallelograms, each with a base of 6 units and a height of 4 units how would the areas comp
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The areas would all be the same because they have the same side measurements.

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6 x 4 = 24 and will always be 24, so the area will always be 24.
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