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3 years ago

7

Solve the quadratic equation. Write your solutions in the blanks, starting with the smaller value.

1 answer:

Klio2033 [76]3 years ago

8 0

Answer:

x = 2 Or

x = -2

Step-by-step explanation:

Check attachment

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0.285714285 nearest thousandth

Agata [3.3K]

Answer:

0.286

Hope that helps!

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Please help me with my math homework

zheka24 [161]

Answer

x=45

Explanation

2x + 45 + x = 180

3x + 45 = 180

-45 -45

3x = 135

/3 /3

x=45

8 0

3 years ago

Which answer represents the series in sigma notation?

Lerok [7]

Step-by-step explanation:

if you want I will prove

4 0

3 years ago

(50 points) need help with khan practice geometry

Vedmedyk [2.9K]

The awnser is 60 because

It is a cube so it has the smae amout of sides

8 0

2 years ago

-2x^2+4x-1 from 6x^2+3x-9

kirza4 [7]

Answer:

$8{x}^{2} - x - 8$

Step-by-step explanation:

We want to subtract

$- 2 {x}^{2} + 4x - 1$

from

$6 {x}^{2} + 3x - 9$

We set up the subtracttion problem to get:

$6 {x}^{2} + 3x - 9 - ( - 2 {x}^{2} + 4x - 1)$

We expand the parenthesis to get:

$6 {x}^{2} + 3x - 9 + 2 {x}^{2} - 4x + 1$

Group similar terms:

$6 {x}^{2} + 2 {x}^{2} + 3x- 4x + 1 - 9$

We simplify to get:

$8{x}^{2} - x - 8$

4 0

3 years ago