The tangent line is perpendicular to the radius from the center of the circle to the point of tangency.
ΔDCE is similar to ΔDBA
DC/DB=DE/DA
15/50=DE/40
DE=12
Answer:3
Step-by-step explanation:
Let's the number be x.
So, we need to find 25% of x is 19. Hence, we can set up the equation as following:
25% of x = 19
0.25 * x = 19 Since 25%= 25/100=0.25
![\frac{0.25x}{.25} =\frac{19}{0.25}](https://tex.z-dn.net/?f=%20%5Cfrac%7B0.25x%7D%7B.25%7D%20%3D%5Cfrac%7B19%7D%7B0.25%7D%20%20)
x= 76
So, the number is 76.
Answer:
D or the fourth option
Step-by-step explanation:
because you just multiply the numbers in the bracket by 4. so it will be 8, -16, 20, -4.
I hope this helped. :)