Answer: 260 gallons
Step-by-step explanation:
We can use a proportion to solve this problem. We know that a family used 15 gallons of milk every 3 weeks. Since the problem asks for how much they will need for a year, we can gather that a year is 52 weeks. We can come up with the following proportion.
[cross multiply]
[divide both sides by 3]
Therefore, they will need to purchare 260 gallons.
Answer:
No solution
Step-by-step explanation:
12q + 40 = 12q - 54
There is no solution because the two equations aren't equal and each equation has the same slope bu didn't y intercept values. Therefore having no solution.
For y=x^2-6x-11
complete the square
so roots
set y=0
0=x^2-6x-11
group x terms
0=(x^2-6x)-11
take 1/2 of linear coefient (-6) and square it
-6/2=-3, (-3)^2=9
add positive and neative to inside of parenthasees
0=(x^2-6x+9-9)-11
complete square
0=((x-3)^2-9)-11
expand
0=(x-3)^2-9-11
0=(x-3)^2-20
add 20 to both sides
20=(x-3)^2
sqrt both sides
remember positive and negative roots
+/-2√5=x-3
add 3 to both sides
3+/-2√5=x
so
x=3+2√5 and 3-2√5
Answer:
62.8 pls like and rate my answer
Answer:
C
Step-by-step explanation:
6x - 10 > 2x + 2
4x - 10 > 2
4x > 12
x > 3
