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3 years ago

Use the discrimination and select whether the roots of 5x^2-4x+3=0 are real or non-real

1 answer:

7 0

With a=5, b= -4 and c=3, the discriminant is

16-4(5)(3) = 16-60, a negative number. Thus, the roots are non-real (complex).

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Choose the true statement about the graph of x < 4.

GrogVix [38]

I believe the correct answer from the choices listed above is the last option. The true statement about the graph of x < 4 would be that an open circle on 4 and all numbers to the left shaded. Hope this answers the question. Have a nice day. Feel free to ask more questions.

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4 years ago

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G(-2, 5), H(6, 5), J(6, -1) 17. Find the coordinates of the centroid.

adell [148]

The coordinates of centroid are: (10/3, 3)

Step-by-step explanation:

The formula for calculating centroid of a triangle is:

$(x,y) = (\frac{x_1+x_2+x_3}{3},\frac{y_1+y_2+y_3}{3})$

Here (x1,y1) are the coordinates of first vertex

(x2,y2) are the coordinates of second vertex

(x3,y3) are the coordinates of third vertex

Given:

G(-2,5) = (x1,y1)

H(6,5) =(x2,y2)

J(6,-1) = (x3,y3)

Let I be the centroid of the triangle

Putting the values in the formula

$I(x,y) = (\frac{-2+6+6}{3},\frac{5+5+-1}{3})\\= (\frac{10}{3},\frac{9}{3})\\=(\frac{10}{3},3)$

The coordinates of centroid are: (10/3, 3)

Keywords: Centroid, Triangle

Learn more about centroid at:

#LearnwithBrainly

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4 years ago

Solve for x. -3x + 2c = -3

Andrei [34K]

Answer:

x = 1 + 2c/3

Step-by-step explanation:

Move all terms that don't contain x to the right side and solve.

Hoped this helped!

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3 years ago

Write a few sentences about different ways to show subtraction for a problem like 32-15

nignag [31]

OKAY so 32-15 or you then can or could say 32+15 then subtract the answer other option

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3 years ago

What is the value of the expression below? 7 divided by 2 minus 4.5 x times 3 + 8

puteri [66]

Answer:

-2

Step-by-step explanation:

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4 years ago

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