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2 years ago

11

The measure of an exterior angle of a triangle is zº. The measure of the adjacent interior angle is at least twice 2". Which of

these is NOT a possible
solution for 2?

please help me .

1 answer:

arlik [135]2 years ago

8 0

Answer:

The best of me and said that you

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Plsss helppp brainkeistt reward

Mrac [35]

Answer:

1. D

2. B

3. A

4. B

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3 years ago

You move down 6 units. You end at (-5, -5). Where did you start?

torisob [31]

Answer:

(-5, 1)

Step-by-step explanation:

(x, y)

x moves left/right

y moves up/down

x = -5

y = -5 + 6 = 1

(-5, 1)

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3 years ago

Whats 9+10??????????

nikdorinn [45]

The answer to 9+10 is 19 because if you add 9 to the number 10, you get 19

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3 years ago

Read 2 more answers

Pls help I will mark brainlist

Marta_Voda [28]

We know they combine to 2,977 grams. The puppies weight the same
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2 years ago

Please help, and thank you!

lawyer [7]

Answer:

3. C

4. D

Step-by-step explanation:

3.

$x^2+25=0\\x^2=-25\\x=\pm\sqrt{-25}$

Once $\sqrt{-1}=i$

$x=\pm5i$

4.

A quadratic equation has no real roots when the discriminant ( $\Delta$ ) is negative. $\Delta$ .

Let's try all the equations:

(A)

$2x^2-7x-9=0\\\\\Delta=\sqrt{\left(-7\right)^2-4\cdot \:2\left(-9\right)}\\\Delta=\sqrt{\left(-7\right)^2+4\cdot \:2\cdot \:9}\\\Delta=\sqrt{121} \\\Delta=11$

(B)

$2x^2=7x\\2x^2-7x=0\\x(2x-7)=0\\x=0\\\text{or}\\2x-7=0\\2x=7\\\\$

$x=\frac{7}{2}$

(C)

$2x^2+7x-9=0\\\Delta = \sqrt{7^2-4\cdot \:2\left(-9\right)}\\\Delta = \sqrt{7^2+4\cdot \:2\cdot \:9}\\\Delta = \sqrt{121} \\\Delta= 11$

(D)

$2x^2-7x+9=0\\\Delta = \sqrt{\left(-7\right)^2-4\cdot \:2\cdot \:9}\\\\\Delta=\sqrt{-23} \\\Delta=\sqrt{23i}$

8 0

3 years ago