A) 4*c + 2*D = 78
B) C + D =27
Multiplying B) by -2 equals
B) -2 C -2 D = -54 then adding equation A)
A) 4*c + 2*D = 78
2C = 24
Cows = 12
Ducks = 15
********************************** DOUBLE CHECK
B) C + D =27
12 + 15 = 27
Correct!
Answer:
132.7 feet.
Step-by-step explanation:
tan 37 = height of cliff / distance of the ship
= 100/d
d = 100/tan37
= 132.7 feet.
Answer:
291 1/5
Step-by-step explanation:
To complete the square of a polynomial, use the term "(b / 2) ^ 2".
In this polynomial, the "b" term is 14.
Plug that in.
(14 / 2) ^ 2
7 ^ 2
49.
The answer is C.