Answer:Y = 12
Step-by-step explanation:
Y varies ditectly as x
Y = kx
When y = -4, x = 2
Substitute the value of x and y into Y = kx
-4 = k * 2
Make k the subject of the formula
k = -4/2
k = -2
:. The equation connecting Y and x is
Y = -2x------
When x = -6
Y = -6*-2
Y = 12
Answer:
d because i took the test
Step-by-step explanation:
71.4 and to check just multiply 71.4 times 5 and it'll get 357
Answer:
474
Step-by-step explanation:
The surface of the original cube is 9 * 9 * 6 = 486. The shape cut out subtracts 2 * (3 * 2) = 12 from that so the answer is 486 - 12 = 474.