Answer:
x^2+5x-14
Step-by-step explanation:
you multiply both equations so that you get:
x^2-2x+7x-14
and then you simplify it to:
x^2+5x-14
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Answer:
steps below
Step-by-step explanation:
BD⊥AC ∠ADB = ∠CDB = 90°
D is mid-point: AD = CD
BD = BD
ΔADB ≅ ΔCDB
AB = BC
Answer:
x=16
Step-by-step explanation:
Pythagorean theorem:
20^2-12^2=256
square root of 256=16
D is the correct answer to this question.
Answer:
$20.
Step-by-step explanation:
If she owes 4 people 5 dollars each, you multiply 5 and 4 to get the full amount of money altogether. In this case, the equation is
5*4=20
