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AnnyKZ [126]
4 years ago
8

In the function f(x) = x^2 - 2x + 3, what is f(2)?

Mathematics
1 answer:
IrinaK [193]4 years ago
5 0

The right answer is -3.

please see the attached picture for full solution

Hope it helps

Good luck on your assignment

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Use the Law of Sines to solve the triangle. Round your answers to two decimal places. A = 38°, B = 73°, c = 23.6 C = ° a = b =
Sonja [21]

Answer:

The solution for the triangle is 1.62 a = 1.04 b = 0.59 c

Step-by-step explanation:

Given as :

The value of ∠A = 38°

The value of ∠B = 73°

The value of ∠C = 23.6°

Now, Applying Law of Sines

I.e \frac{a}{Sin A} =  \frac{b}{Sin B} =  \frac{c}{Sin C}

Or, \frac{a}{Sin 38°} =  \frac{b}{Sin 73°} =  \frac{c}{Sin 23.6°}

Or, \frac{a}{0.6156} =  \frac{b}{0.9563} =  \frac{c}{0.4003}

Or, 1.62 a = 1.04 b = 0.59 c

So, The solution for the triangle is 1.62 a = 1.04 b = 0.59 c

Hence The solution for the triangle is 1.62 a = 1.04 b = 0.59 c    Answer

5 0
3 years ago
A circle centered at the origin contains the point
valentina_108 [34]

Answer:

Yes, the distance from the origin to the point (8,√17) is 9 units.

Step-by-step explanation:

The equation of a circle centered at the origin with radius , r has equation:

{x}^{2}  +  {y}^{2}  =  {r}^{2}

Since the circle passes through (0,-9), the radius is 9 units because (0,-9) is 9 units from the origin.

We substitute the radius to get:

{x}^{2}  +  {y}^{2}  =  {9}^{2}

{x}^{2}  +  {y}^{2}  =  81

If (8,√17) lies on this circle, then it must satisfy this equation:

{8}^{2}  +  { (\sqrt{17} )}^{2}  = 64 + 17 = 81

This is True.

This means the distance from (8,√17) is 9 units from the origin.

6 0
3 years ago
Please help me answer this...
alina1380 [7]

Answer: 1.9375

Step-by-step explanation: i tried man gimme brainliest if i got it wrong or right

8 0
3 years ago
Section 5.2-9. Solve the following system of equations by substitution or elimination. Enter your answer as (x,y).2x+y = 2-3x-2y
Alika [10]
\begin{gathered} (2x+y=2)\times2 \\ -3x-2y=-8 \\ 4x+2y=4 \\ -3x-2y=-8 \\ \text{subtract above two equations} \\ x=-4 \\ \text{put the value of x in equation 1st then get y} \\ 4(-4)+2y=4 \\ -16+2y=4 \\ 2y=20 \\ y=10 \\ (x,y)=(-4,10) \end{gathered}

6 0
2 years ago
Read 2 more answers
The roots of the equation are 3 + 8i and 3 – 8i.
g100num [7]
Given that the roots of the equation x^2-6x+c=0 are 3+8i and 3-8i, the value of c can be obtained as follows;
taking x=3+8i and substituting it in our equation we get:
(3+8i)^2-6(3+8i)+c=0
-55+48i-18-48i+c=0
collecting the like terms we get:
-55-18+48i-48i+c=0
-73+c=0
c=73
the answer is c=73
3 0
4 years ago
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