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Strike441 [17]
3 years ago
12

Which relation represents a function?

Mathematics
1 answer:
Tom [10]3 years ago
8 0
C is the rigth answer because all the other three has two x values in common. :)
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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
Anastasy [175]

Answer: 19.4

Step-by-step explanation:

Given

Profit is given in terms of the selling price

y=-5x^2+194x-900

to get the maximum price, differentiate y w.r.t x

\frac{\mathrm{d} y}{\mathrm{d} x}=-5\times 2x+194

Put  \frac{\mathrm{d} y}{\mathrm{d} x}=0 to get maximum value

10x=194\\x=19.4

Thus, the company must sell it at 19.4

8 0
2 years ago
Help quick or else trouble
sasho [114]

Answer:

1/21

Step-by-step explanation:

2/7 ÷ 6 =

2/7 x 1/6 = 2/42

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1/21

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

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7 0
2 years ago
Please help me ahhh im doing 8th grade math with pythagorean theorem
Anna11 [10]
The distance between P and Q is 10 units. hope this helps have a nice day

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in order to prepare for building a brick patio, a rectangle measuring 8 feet by 10 feet must be marked off, then the dirt dug ou
Gala2k [10]
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1. Which of the following is NOT true about an isosceles trapezoid?
viktelen [127]
On an isosceles trapezoid, the two sides that are not parallel to each other will be exactly the same length.  If this is true, than it would be create a symetric trapezoid.  The diagonals would be the same length.  The bases of any trapezoid are parallel, so this is true.  The diagonals cannot possibly be perpendicular because the 2 nonparallel sides would be slanted.  So, the answer is the 3rd choice.
5 0
3 years ago
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