So the distance formula is $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ . Using this, our equation is $\sqrt{(7-(-8))^2+(-1-(-9))^2}$ and we can solve for it as such:

$\sqrt{(7-(-8))^2+(-1-(-9))^2}\\ \sqrt{15^2+8^2}$

As we see with this radical, the sum that's under it is 15^2 + 8^2, or the third option.

7 0

3 years ago

Are the two triangles similar. If so, State how

erastovalidia [21]

Answer:

Yes by AAA

Step-by-step explanation:

Angle A is the same for both triangles. Angle D is congruent to Angle A since BC and DE are parallel lines and same with angle E. So by AAA the triangles are similar

5 0

3 years ago

Determine which number has a lesser magnitude.<br> a<br> -4 and -5

Stells [14]

Answer: -4

This is because -4 is closer to 0 on the number line, when compared to -5.

You are basically measuring the distances from 0 to determine magnitude.

4 0

3 years ago