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Jlenok [28]
3 years ago
9

Which of the following statement is incorrect? .

Mathematics
2 answers:
Nuetrik [128]3 years ago
5 0

Answer:

b) Commutative property is true for subtraction of Rational numbers

Step-by-step explanation:

  • Option B is incorrect.
  • Commutative property is not true for subtraction of Rational numbers .

Alexandra [31]3 years ago
3 0
Its B
ignore the extra characters ^ that person is correct sbakebwn
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The number of internet paid search ads is increasing as advertisers move away from traditional marketing methods. The equation y
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Answer: In 2005 the amount spend on internet ads = $74.6 billions.

In 2009 spending on internet search ads will reach $102 billion .

Step-by-step explanation:

Given : The number of internet paid search ads is increasing as advertisers move away from traditional marketing methods.

The equation y=6.9x+40.1 can be used to project spending on internet search ads, in billions of dollars, x years after 2000.

To estimate spending on internet ads in 2005.

We need to put x= 5 in the above equation   [∵2005-2000=5]

y=6.9(5)+40.1

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y=74.6

i.e. In 2005 the amount spend on internet ads = $74.6 billions.

Put y= 102 in the given equation, we get

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61.9=6.9x   [Subtract 40.1 from both sides]

x=\dfrac{61.9}{6.9}=\dfrac{619}{69}=8.97101449275\approx9

And 2000+9=2009 [x is the number of years after 2000]

Hence, in 2009 spending on internet search ads will reach $102 billion .

3 0
3 years ago
I NeED HeLP ASAP with this question
Softa [21]
It is Choice C. Hope this helped!
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3 years ago
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