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Bumek [7]
3 years ago
8

If 'f(x)=x^2-18' and 'g(x)=(x-9)^(-1)(x+9)', find 'g(x)*f(x)

Mathematics
1 answer:
mezya [45]3 years ago
4 0

The answer I would say would be B.

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What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?
BabaBlast [244]

Answer: 2.535*10^{10}


Step-by-step explanation:

1. By definition, scientific notation has the following form:

a*10^{b}

Where:

<em> a</em> is a number between 1 and 10 but does not include 10.

<em> b </em>an integer.

2. When you multiply 3.25 by 7.8  the result is 25.35 and when you multiply 10^{3} by 10^{6}, you obtain 10^{9}, but to write ree thsult in scientific notation, the decimal point must be after the first digit. Therefore, you must move the decimal point one place to the left. So, the exponent changes from 9 to 10:

(3.25*10^{3})(7.8*10^{6})=2.535*10^{10}

3 0
3 years ago
Ocupo qué lo dividan, con procedimiento y resultado, lo ocupó para ahorita!
umka2103 [35]
The answer is 7.6

Hopes it help
8 0
3 years ago
Kellie is allowed to watch up to 90 minutes of tv pre day. If she watched 10 minutes before school, how many 20-minute tv episod
Artemon [7]

Answer:

4

Step-by-step explanation:

As she watches 90 minutes of tv pre day and she watched 10 minutes before school

So minutes left 90-10=80

And 1 episodes contains 20 minutes

So she can watch tv episodes

= 80÷20

=4 (ans)

Note:It is the answer as far as I know. If you have any doubt you can go with others

6 0
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Find the area of the trapezoid.
zavuch27 [327]
A= 4+8 / 2 x (6)
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The question is in the photo please help only if u know the answer
nadezda [96]

Answer:

The domain of the function is ( -2, -1, 0, 1, 5)

Step-by-step explanation:

The domain is referring to the x-values.

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