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topjm [15]
3 years ago
10

Please help me out please

Mathematics
1 answer:
Natali5045456 [20]3 years ago
8 0
It is the second one :1 is not in the domain of f*g
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On a workday the average decibel level of a busy street is 69 db, with 139 cars passing a given point every minute. if the numbe
Vlad1618 [11]
Decibel is directly proportional to number of cars passing the point. That is,

69 db ----- 139 cars
x   db ----- 17 cars

x = number of cars passing the point per minute on a weekend.

Then,
x= (69*17)/139 = 8.43 db ≈ 8 db
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4 years ago
(25 POINTS AND BRAINLIEST FOR BEST)
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I'll make it up to you

A. Define the variables and write an equation to represent the relationship between the price of a home and the commission received.

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I forgot how to explain it to you but this is the answer.

6 0
4 years ago
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Which of the following are true about the graph of f(x)=-4x^2?
MrMuchimi

Answer:

the statements that are true are a & d

6 0
3 years ago
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How to solve n-5*2/3=3/4
Scorpion4ik [409]

n-5\cdot\dfrac{2}{3}=\dfrac{3}{4}\\\\n-\dfrac{10}{3}=\dfrac{3}{4}\ \ \ \ |\cdot12\\\\12n-12\cdot\dfrac{10}{3}=12\cdot\dfrac{3}{4}\\\\12n-4\cdot10=3\cdot3\\\\12n-40=9\ \ \ \ |+40\\\\12n=49\ \ \ \ \ |:12\\\\n=\dfrac{49}{12}

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For what value of x must ABCD be a​ parallelogram?
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Then: 4x-3x=1x which gives:

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4 0
2 years ago
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