X + 0.4[6-x] = 0.5*6 0.6x = 0.6 x = 1 gallon the answer is, "one gallon".
Answer: Opens up, has a minimum
Step-by-step explanation:
If the x^2 term is positive the parabola opens up, if it is negative it opens down. Minimum always goes with up, maximum with down
Answer:

Step-by-step explanation:
<u>By </u><u>tangent</u><u> </u><u>theorem</u><u> </u>we acquire:

simplify addition:

cancel 10 from both sides:

hence,
our answer is A
Answer:
6x+y=-8 because it will be y=-6x-8 having same slope with the line given