Answer:
8.9
Step-by-step explanation:


Answer:..$.$!:
Step-by-step explanation:
Answer:
I believe that it is D
Step-by-step explanation:
A is wrong...
B is wrong (I believe)...
C is wrong...
So D is the only answer choice left.
Pythagorean Theorem
x^2 = 15.7^2 -7.8^2
x^2 =
<span>
<span>
<span>
185.65
</span>
</span>
</span>
x =
<span>
<span>
<span>
13.6253440324
</span>
</span>
</span>
Answer is C
Answer:
<em>( - 15, - 16 ) </em>
Step-by-step explanation:
Coordinates of midpoint are (
,
)
( - 5 + x ) / 2 = - 10 ⇒ x = - 15
( 4 + y ) / 2 = - 6 ⇒ y = - 16
<em>( - 15, - 16 )</em>