Answer:
x = 4√7
Step-by-step explanation:
You can use the pythagorean theorem which is a² + b² = c²
if you plug it in, it would be...
x² + 12² = 16²
x² + 144 = 256, subtract 144 to both sides
x² = 112, square root both sides to make x by itself.
x = 4√7
Answer:
Y= $240
Step-by-step explanation:
Since he had 60 dollar bills and the dollar coins were 4 times that amount, you just multiply 60 by 4.
Answer:
(x-5)(x+4)
Step-by-step explanation:
hope it helps
Answer:
CD ≈ 15.0
Step-by-step explanation:
calculate CD using the distance formula
d =
with (x₁, y₁ ) = C (7, - 4) and (x₂, y₂ ) = D (- 8, - 5)
CD =
=
=
=
=
≈ 15.0 ( to the nearest tenth )