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dusya [7]
4 years ago
11

Solve x^2-7x+12=0 by using the quadratic formula

Mathematics
1 answer:
Katarina [22]4 years ago
4 0
The answer is : x=4, 3
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The perimeter of a ractangle is 28 units what is the value of w
saveliy_v [14]

Answer:

W=5

Perimeter=2(L+W)

2(L+W)=28

2(2W-1+W)=28

2(3W-1)=28

6W=30

W=5

                                                                                                                                                 

5 0
3 years ago
There is a 5% sales tax on clothing at your favorite store you've gone shopping 4 times how much tax did you pay each time ?
salantis [7]
All you have to do is the amount she bought divided by 0.05 and then add the answer you get to the amount she bought each time
8 0
3 years ago
What is the inverse of the function F (X) equals 2X +1
Liono4ka [1.6K]

Answer: f^{-1}(x)=\frac{x-1}{2}

Step-by-step explanation:

To find the inverse of a function start by replacing f(x) with x and replace the original x with y.

f(x)=2x+1\\x=2y+1

Now solve for y

x=2y+1\\x-1=2y+1-1\\x-1=2y\\\frac{x-1}{2} =\frac{2y}{2}\\\frac{x-1}{2} =y

Finally, replace y with the inverse of f(x), f^{-1}(x)

5 0
2 years ago
Find the value of 5x-6 given that 2x-7=9​
erik [133]

Answer:

34

Step-by-step explanation:

Given that

2x - 7 = 9 ← solve for x

Add 7 to both sides

2x = 16 ( divide both sides by 2 )

x = 8

Substitute x = 8 into 5x - 6

5x - 6 = (5 × 8) - 6 = 40 - 6 = 34

4 0
3 years ago
What is 5 1/4% as a fraction?
Grace [21]

Answer:

The mixed number 5 1/4 is equal to the improper fraction 21/4.

6 0
2 years ago
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