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boyakko [2]
3 years ago
11

Combine like terms and simplify 4r - 6 - 2r + 5

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0
C. 10r-3


Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!
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F(x) = 2x is translated 4 units up
kolbaska11 [484]

 

f(x) = 2x

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The Better Baby Buggy Co. has just come out with a new model, the Turbo. The market research department predicts that the demand
dlinn [17]

Answer:

$68

Step-by-step explanation:

We have been given the demand equation for Turbos as q=-4p+544, where q is the number of buggies the company can sell in a month if the price is $p per buggy.

Let us find revenue function by multiplying price of p units by demand function as:

Revenue function: pq=p(-4p+544)

pq=-4p^2+544p

Since revenue function is a downward opening parabola, so its maximum point will be vertex.

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\frac{-b}{2a}=\frac{-544}{2\times -4}

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\frac{-b}{2a}=68

The maximum revenue would be the y-coordinate of vertex.

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pq=-4*4624+544(68)

pq=-18496+36992

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3 years ago
Can someone help me?
ruslelena [56]

Answer:

Step-by-step explanation:

Yeah.I would be glad to.

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zimovet [89]
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Step-by-step explanation:

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