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2 years ago

Do this only on number line

Mathematics

2 answers:

sveta [45]2 years ago

7 0

Step-by-step explanation:

please mark me as brainlest

Tatiana [17]2 years ago

4 0

-2/8=-1/4
3/6=1/2

Refer to the attachment

Mid point:-

-2/5+1/2/2
-4+5/10/2
1/10/2
1/20

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Select the two values of x that are roots of this equation. x + 2x - 6 = 0

VLD [36.1K]

For this case we must solve the following quadratic equation:

$x ^ 2 + 2x-6 = 0$

Where:

$a = 1\\b = 2\\c = -6$

The solution is given by:

$x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}$

Substituting:

$x = \frac {-2 \pm \sqrt {2 ^ 2-4 (1) (- 6)}} {2 (1)}\\x = \frac {-2 \pm \sqrt {4 + 24}} {2}\\x = \frac {-2 \pm \sqrt {28}} {2}\\x = \frac {-2 \pm \sqrt {2 ^ 2 * 7}} {2}\\x = \frac {-2 \pm2 \sqrt {7}} {2}\\x = -1 \pm \sqrt {7}$

Thus, we have two roots:

$x_ {1} = - 1+ \sqrt {7}\\x_ {2} = - 1- \sqrt {7}$

ANswer:

$x_ {1} = - 1+ \sqrt {7}\\x_ {2} = - 1- \sqrt {7}$

8 0

4 years ago

AB and CD are straight lines. Find AOD.

Anon25 [30]

Answer:

106°

Step-by-step explanation:

AOD = COB (because of vertical angles)

COB = COF + FOB

COF = 90

FOB = 16

COB = 90 + 16 = 106

AOD = 106

Hope this helps :)

Have a nice day!

3 0

2 years ago

Please answer number 5 I’ll give brainliest thanks

kobusy [5.1K]

Answer:

Hello! answer: C

Hope that helps!

8 0

3 years ago

Read 2 more answers

why did Frederick Douglass Narrative and Harriet Beecher Stowe’s Uncle Tom’s Cabin helped build social support for abolition and

Tema [17]

To attempt to end slavery is what I would think, maybe to show that they are humans themselves and treating them this way is very unfair.

4 0

3 years ago

2x +3y = 12 Complete the missing value in the solution to the equation (__, 8)

Alex

Answer:

The two solutions of the equation is (0,-4)(6,0).

4 0

3 years ago

Do this only on number line ​

Do this only on number line