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kolbaska11 [484]
2 years ago
6

What is y=4(a)+b When a=7 and b=2 What is a and b

Mathematics
1 answer:
Blizzard [7]2 years ago
5 0

Answer: You have awnsered a & b, but when you fill out the equation, you get y=30.

Step-by-step explanation:

* y= 4(7) + 2

* y= 28 + 2

* y= 30

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Lunna [17]
To solve this problem we first call x = number of action figures, y = number of dolles. A system of two equations with two unknowns must be made to describe the problem. The system is the following:
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3 0
3 years ago
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beks73 [17]
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mafiozo [28]

Answer:

S'(x)=-0.006x2+0.8x+9

Step-by-step explanation:

The rate of change of the sales S(x) with respect to the amount of money spent on advertising x is then the derivative of S(x) with respect to x. What we have to calculate is S'(x).

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Which means:

S'(x)=-0.006x2+0.8x+9

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