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prohojiy [21]
3 years ago
12

Please help! It would be appreciated ! :)

Mathematics
1 answer:
Katarina [22]3 years ago
5 0

Step-by-step explanation:

(x-9)²

= (x-9)(x-9)

= x²-9x-9x+81

= x²-18x+81

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Can someone please help me I'm confused as to what I'm supposed to do.
kobusy [5.1K]
I hope this helps you


(fog)(5)=f (g (5))=?



x= 5 g (5)=-4.5+3=-20+3=-17




f (g(5))=f (-17)=-2. (-17)-7




f (-17)=34-7




f (-17)=27
4 0
3 years ago
To shop a package, a company charges a one-time fee plus a fee based on the weight of the package. The table below shows the tot
fiasKO [112]

Answer:

C = $5 + $1.5(w)

Step-by-step explanation:

Given the following information :

Total shipping cost :

One time fee + fee based on package weight

Given the table :

Weight in pounds - - - - Total shipping cost($)

___4__________________11

___8__________________17

___12_________________23

___16_________________29

We can deduce from the table

For a package that weighs (w) 4 pounds

Total shipping cost = $11

Let one time fee = f

Fee based on weight = r

f + 4(r) = 11 - - - - - (1)

For a package that weighs (w) 8 pounds

Total shipping cost = $17

One time fee = f

Fee based on weight = r

f + 8r = 17 - - - - - (2)

From (1)

f = 11 - 4r - - - (3)

Substitute f = 11 - 4r in (2)

11 - 4r + 8r = 17

-4r + 8r = 17 - 11

4r = 6

r = 6/4

r = 1.5

Put r = 1.5 in (3)

f = 11 - 4(1.5)

f = 11 - 6

f = 5

Hence one time fee = $5

Charge based on weight = $1.5

Hence, Total shipping cost 'C' for a package weighing 'w' will be :

C = $5 + $1.5(w)

7 0
3 years ago
Seirra found that 15 meters is equivalent to 49.2 feet which of the following is an equivalent ratio
loris [4]

A.........................................                                                                                                                                  

8 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> 3(x−2)+5x=18<br><br> X = ????
ikadub [295]

3(x-2)+5x=18

the correct answer is x=3

first simply the equation

8x=18+6

Now rid of alike terms resulting in

8x=24

now divide 24 by 8

x=3

6 0
3 years ago
Read 2 more answers
PLEASEEEE HELPP !
Kobotan [32]

Answer:

slope (m) = -5

Step-by-step explanation:

The slope can be calculated using two points, (2, 60) and (4, 50) as shown below:

slope (m) = \frac{y_2 - y_1}{x_2 - x_1}, where,

(2, 60) = (x_1, y_1)

(4, 50) = (x_2, y_2)

Plug in the values into the equation

slope (m) = \frac{50 - 60}{4 - 2}

slope (m) = \frac{-10}{2}

slope (m) = -5

6 0
3 years ago
Read 2 more answers
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