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asambeis [7]
3 years ago
9

What is 0.7b^3•0.4b^9

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

It's an expression that can be simplified to read

       ( 0.7  x  0.4 ) ( b³  x  b⁹ )

   =  (      0.28    )  (    b¹²      )  =  0.28 b¹² .

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Thanks if u can do all of these for me!!! I need the work and the answers thank u!!;)
noname [10]
Tha number one the aswer is b 5.4
6 0
3 years ago
Read 2 more answers
1. determine if the functions are inverse functions
kirill115 [55]

Answer:

<u>Question 1</u>

The function f(x) = x + 6 is one-to-one, so it does have an inverse.

The inverse of +6 is -6, so f^{-1}(x)=x-6

Therefore, g(x) is the inverse of f(x).

<u>Question 2</u>

The function f(x) = -3x -9 is one-to-one, so it does have an inverse.

To find the inverse, replace f(x) with y:

\implies y = -3x -9

Rearrange the equation to make x the subject:

\implies y+9= -3x

\implies x=-\dfrac13(y+9)

\implies x=-\dfrac13y-3

Replace x with f^{-1}(x) and y with x:

\implies f^{-1}(x)=-\dfrac13x-3

Therefore, g(x) is the inverse of f(x).

5 0
2 years ago
Jerry can complete a sales route​ by himself in 5 hours. Working with an associate, he can complete a sales route in 3 hours. Ho
prohojiy [21]

Answer:

I think it is 2 hrs... if there are not any extra variables.

Step-by-step explanation:


7 0
2 years ago
Amita wants to make a mold for a candle. She wants the shape of the candle to be a rectangular prism with a volume of exactly 28
forsale [732]
The volume of a rectangular prism is L * W * H.

We are looking for whole numbers that multiply to 28.

There are 10 possible molds.

L,  W,  H
-------------

28, 1, 1

1, 1, 28

14, 2, 1

1, 14, 2

1, 2, 14

7, 4, 1

4, 1, 7

7, 1, 4

7, 2, 2

2, 2, 7



4 0
3 years ago
If she starts homework at 5:30 and it takes 45 minutes to do it what time wiill she finish
dlinn [17]
She’ll finish at 6:15. hope this helped
8 0
3 years ago
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