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vladimir2022 [97]
3 years ago
7

I. NEED HELP ASAP PLZ SOMEONE HELP CAN U ANSWER AT LEAST ONE

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0
I might be wrong but I did used to get 12.5 for the third one
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Can someone help me please
babunello [35]

If the functions are inverses, then f(g(x)) = x.

A.

\displaystyle f(g(x))=f\left(\frac{3x+1}{3}\right)=\frac{1}{\frac{3x+1}{x}-3}\\\\=\frac{1}{\left(\frac{3x+1-3x}{x}\right)}=\frac{1}{\left(\frac{1}{x}\right)}=x

The functions are inverses of each other.

B. The domain of f(x) = x≠3. The domain of g(x) is x≠0.

The domain of f(g(x)) is (-∞, 0) ∪ (0, ∞).

The domain of g(f(x)) is (-∞, 3) ∪ (3, ∞).

4 0
3 years ago
PLEASE HELP!!! Pr-Cal Question 20 points
Brilliant_brown [7]

Answer:

3600

Step-by-step explanation:

perimeter is  120ft

Goal is to get the largest area.

so you can start with a list of possible solutions:

1*119 = 119ft

2*118 = 236ft

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60*60 =3600ft

61*59 = 3599ft

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7 0
3 years ago
Read 2 more answers
Ivan's has 3/4 pound of hamburger meat. She makes 3 hamburgers patties.each patty weighs the same amount.hiw much dies each hamb
gulaghasi [49]
25 percent
because use quarters as and example
7 0
3 years ago
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Solve for n:<br> 3(2−8n)=3n+6<br><br> Select one:<br><br> -15<br><br> 5<br><br> -5<br><br> 0
Len [333]
N=0 bc you remove the parentheses, cancel the equal terms what would be 6 being cancel it would look like -24n=3n now and move the variable to the left collet like terms and then you will divide the sides. Your answer is 0
5 0
3 years ago
PLEASE HELP<br><br> Find the surface area of the triangular prism.
ASHA 777 [7]

Answer:

139

Step-by-step explanation:

First, find all the faces that you must find the areas of. In this case, you need to find the areas of two triangles and three rectangles.

In this triangular prism, the base is one triangle. If the area of the base is 7.75, we can assume that that holds true for both bases, and multiply 7.75 by 2 in order to find the area of both triangles.

Now find the area of each of the three rectangles by multiplying their individual heights and bases by each other. You should get 38, 47.5, and 38 as the areas of the rectangles.

Now add all the individual area's together. (They're bolded for clarity).

4 0
3 years ago
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