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Genrish500 [490]
3 years ago
7

Jessica works at a nearby electronics store. She makes a commission of 9% on everything she sells. If she sells a laptop for $37

8.00 dollar sign, how much money does Jessica make in commission?
Mathematics
2 answers:
Cloud [144]3 years ago
6 0
You have to do 0.09 x 378.00 and you will get 34.02.

So basically the answer is 34.02
meriva3 years ago
6 0
Her commission  will be 34.02 
hope this helps..:0
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Which of all the following inequalities is true for all real values of x?
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Answer:

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Step-by-step explanation:

The cube of a negative number is negative, eliminating choices B and D for certain negative values of x.

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The value 1/(x^2+1) is positive everywhere, so that is the expression you're looking for.

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3 years ago
What are the possible numbers of positive, negative, and complex zeros of f(x) = −3x4 −
Anna007 [38]

Answer:

b.

Step-by-step explanation:

We have to look at sign changes in f(x) to determine the possible positive real roots.

f(x)=-3x^4-5x^3-x^2-8x+4

There is only one sign change here, between the -8x and the +4.  So that means there is only 1 possible real positive root.

Now we have to look at sign changes in f(-x) to determine the possible negative real roots.

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There are 3 sign changes here.  That means there are either 3 negative roots or 3-2 = 1 negative root.  So we have:

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If we have 1 positive and 1 negative, we have to have 2 imaginary

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7 0
3 years ago
My brother is currently three times as old as me, but in five years, my brother
wolverine [178]

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Let be "m" your currently age and "b" your brother's currently age.

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b=3m

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b+5

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b+5=2(m+5)

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\left \{ {{b=3m} \atop {b+5=2(m+5)}} \right.

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b=3(5)\\\\b=15

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