3 years ago

Which line segments do you draw to find the center of a circle circumscribed about a triangle?

1 answer:

6 0

You draw perpendicular bisectors to find the center of a circle circumscribed about a triangle. Hook me up with 5 stars :)

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inn [45]

Answer:

229?

Step-by-step explanation:

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2 years ago

7x+18−6(x+1)−12 Please answer this you get 10 points!!!!

ra1l [238]

Answer:

Step-by-step explanation:

7x+18−6(x+1)−12

start out with distributive property

7x+18+(-6x)+(-6)+(-12)

then add the common things together

x+0

answer is just x, or infine answers, you could put in anything for x

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2 years ago

If −1 is a zero of the polynomial p(x)=ax^3−x^2+x+4, find the value of a.

vitfil [10]

Answer:

a = 2

Step-by-step explanation:

given x = - 1 is a zero then f(- 1) = 0 , that is

a(- 1)³ - (- 1)² - 1 + 4 = 0

- a - 1 - 1 + 4 = 0

- a + 2 = 0 ( subtract 2 from both sides )

- a = - 2 ( multiply both sides by - 1 )

a = 2

8 0

1 year ago

F(x) = -4x2 + 4x – 4<br> Find f(3)

ValentinkaMS [17]

F(3) occurs when x =3. So lets plug 3 into our equation.

$f(3) = -4(3)^2 + 4(3)-4\\f(3) = -4(9) + 12- 4\\f(3) = -36 + 12- 4\\f(3)= -28$

F(3) = -28

I hope this helps! :)

5 0

2 years ago

A standard number cube is tossed. find the following probability. P(less than 3 or even)

ki77a [65]

Answer:

half

Step-by-step explanation:

4 0

2 years ago