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Lady bird [3.3K]
2 years ago
11

What is the inverse relation of f(x) = x^2 - 9

Mathematics
2 answers:
AVprozaik [17]2 years ago
8 0

Answer: 400.3

Step-by-step explanation:

11111nata11111 [884]2 years ago
4 0

Answer:

To find the inverse, interchange the variables and solve for

y.

f-1(x)=x+9,-x+9

Step-by-step explanation:

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The diagram below shows a shaded parallelogram drawn inside a rectangle. Using Pythagoras, find the hypotenuse of triangle A and
Julli [10]

Answer: 5.9 cm for both triangles.

Step-by-step explanation:

Hi, since the situation forms 2 right triangles we have to apply the Pythagorean Theorem:  

c^2 = a^2 + b^2  

Where c is the hypotenuse of a triangle (the longest side of the triangle) and a and b are the other sides.  

Replacing with the values given:  

c^2 = 3^2 + 5^2  

c^2 = 9+25

c^2 = 34

c = √34

c = 5.9 cm

Since both triangles are identical ( same side lengths) the hypotenuse is the same for both, 5.9 cm.

Feel free to ask for more if needed or if you did not understand something.  

5 0
3 years ago
KY wants to buy three shirts which were originally price 49.96 dollars eachhistorical discount the price of the third shirt and
shutvik [7]

Same question, c) 44.59

3 0
3 years ago
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Can a triangle be formed with the side lengths of 8cm 4cm and 12cm?
AVprozaik [17]

use a^2+b^2=c^2

8^2+4^2 12^2

64+8       144

=72

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so no

5 0
3 years ago
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Choose the inequality that represents the following graph.
kumpel [21]

Answer:

Option D. x ≥ -4

Step-by-step explanation:

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3 0
3 years ago
In the diagram, m∠COE = 55°. If m∠2 = 2x and m∠3 = x + 10, what is the measure of angle 2?
Dmitry_Shevchenko [17]
Thank you for posting your question here at brainly. The answer to the above question is the first one in the choices which is 15. Below is the solution:
<span>
3x + 10 = 55
Subtract 10 from each side...

3x = 45
Divide by 3...

x = 15</span>
5 0
3 years ago
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