Answer:
<em>x = 7.5 cm </em>
Step-by-step explanation:
ΔBCA ~ ΔECD ⇒ the corresponding sides are proportional.
= 
AC = 4 + 6 = 10 cm
= 
⇔ 10x = 6(x + 5) ⇒ <em>x = 7.5 cm</em>
Answer:
r = 85
Step-by-step explanation:
<h3>→ -6 ( r - 98 ) = 78</h3><h3>→ r - 98 = -13</h3><h3>→ r = -13 + 98</h3><h3>→ r = 85</h3>
conclusion:
so the value of r is 85
Answer:
-28x
Step-by-step explanation:
I'd presume you forgot the x in your answer when you turned it in?
Answer:
D
B
A
Step-by-step explanation:
