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slavikrds [6]
3 years ago
10

If f(3)=2x^3 -2 , what is the value of f(2)

Mathematics
1 answer:
iris [78.8K]3 years ago
5 0

I'm not sure about this but will give it a try:

Let f(n) = 2xⁿ - 2

Then f(3) = 2x³ - 2

So, f(2) = 2x² - 2

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Translate the sentence into an equation: <br> the sum of a number divided by 7 and 9 equals 3
ludmilkaskok [199]
X/7 + 9 = 3
a number: x
a number divided by 7: x/7
sum of number divided by 7 and 9: x/7 + 9 (and means plus)
equals 3: x/7 + 9 = 3
3 0
3 years ago
Lana draws a triangle( LMN) on the coordinate plane. What is the perimeter of the triangle( LMN)? Round to the nearest unit.
lys-0071 [83]

Answer:

The answer is "25".

Step-by-step explanation:

Please find the graph in the attachment.

Longest \ side= 12

Calculating the triangle two other sides:

=\sqrt{3^2+6^2}\\\\=(9+36)\\\\=45

let

\to \sqrt{45}= 6.7.\\\\\to 6.7\times 2=13.4\\\\\to 13.4+12=25.4 \approx 25

6 0
2 years ago
Hi can someone help me out with this problem.
elena-s [515]

Answer:

third side = 9

Step-by-step explanation:

Using Pythagoras' identity on the right triangle.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

let the third side be x, then

x² + 40² = 41², that is

x² + 1600 = 1681 ( subtract 1600 from both sides )

x² = 81 ( take the square root of both sides )

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3 0
3 years ago
Read 2 more answers
Sorry again but i'm having trouble on this one
Lisa [10]

Answer:

m∠PNO = 60°

m∠O = 33°

Step-by-step explanation:

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3) ∡PNO is supplementary to the 120° angle (they must add to 180°)

4) m∠O = 180 - (60 + 87) = 33

5 0
2 years ago
Which and which and plz help
Stella [2.4K]
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6 0
3 years ago
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