Find the solution of the equation 1/2x^2 -x +5=0

Answers

Answer 1

Answer: If you would like to solve the equation 1/2 * x^2 - x + 5 = 0, you can do this using the following steps:

1/2 * x^2 - x + 5 = 0 /*2
x^2 - 2x + 10 = 0
(x - 1)^2 + 9 = 0
1. x = 1 - 3 * i
2. x = 1 + 3 * i

The correct result would be x = 1 - 3 * i and x = 1 + 3 * i.

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For what value of x would be the quotient (3x²+4x-5) ÷ (x+2) not make sense?

Answers

$(3x^2+4x-5):(x+2)\n \ndo\ not\ divide\ by\ zero\ \ \ \Rightarrow\ \ \ (x+2) \neq 0\ \ \ \Leftrightarrow\ \ \ x \neq -2\n \nFor\ x=-2\ the\ quotient\ not\ make\ sense.$

Consider the following two circles. Circle P with center (-1, 2) and radius 3 and circle Q with center (3, 4) radius 5. What sequence of transformations will carry circle P onto circle Q? Select all that apply.A. Dilation centered at Q, followed by reflection across the y-axis
B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5
C. Translation (x,y) -> (x+4, y+2), followed by dilation centered at Q
D. Dilation (x+y) -> (3/5x, 3/5y), followed by dilation centered at P
E. Reflection over x-axis followed by rotation of 270 degrees

Answers

Answer:

B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5

Step-by-step explanation:

Circle P.

Centerat (-1, 2).

Radius of 3.

Circle Q.

Center at (3, 4).

Radius of 5.

To carry one circle onto the other, their centers and radius must be the same.

So, circle P must be shifted from (-1, 2) to (3, 4), that means the translation is 4 units to the right side and two units upside, this is the first transformation.

The second transformation must be about stretching the circle P, from a radius of 3 to a radius of 5.

Therefore, the right answer is B.

Answer: Option b and Option c

Help solve mathematics question, please. Photo.

Answers

the correct answer is (8,5)
i hope that i have helped today

A square has a perimeter of 100cm What is the length of each side?

Answers

Answer:

each side of the square is 25cm

Step-by-step explanation:

this is because of two things:

1. a square has equal sides

2. the perimeter is all the sides added together.

so if you call the length of one side x, you can make this equation:

x + x + x + x = 100

combine like terms

4x = 100

divide both sides by 4

x = 100/4

x = 25

Answer:

25 cm

I hope this helps!

Using PEMDAS (Order of Operations), what is the value of the expression 4+3^2+(4−12)? A. 15. B. 17. C. 13. D. 10.