Answer:
160-x= 40
40+x=160
160-40=x
Step-by-step explanation:
Brainliest please :):)
Answer:
h = 13 m
Step-by-step explanation:
The triangles are similar, so the ratios of corresponding sides are equal, that is
= = ( cross- multiply )
3h = 39 ( divide noth sides by 3 )
h = 13
A=-2;b=9;c=9;
delta=b^2-4*a*c
root1=(-b+(delta^(0.5)))/(2*a)
<span>root2=(-b-(delta^(0.5)))/(2*a)
delta =153
root1 = -0.8423
root2 =<span> 5.3423
Correct Answer is D</span></span>
Answer:
y=−2(x−)x+8
i believe this is it im not sure since ^2
19. Definition of an altitude
20. All right angles are 90 degrees
21. Definition of an altitude