The vertex is the highest point on a downward-opening parabola or the lowest point on an upward-opening parabola.
32*1.2=38.4 (.2 is the 20%, and the 1 adds the percent to the original cost making it a mark up)
<h3>
Answer:</h3>
5/2
<h3>
Step-by-step explanation:</h3>
The ratio of perimeters is the same as the ratio of corresponding sides:
... (140 cm)/(56 cm) = 5/2
Answer:
110 walnuts
Step-by-step explanation:
6 bags -> 330 walnuts
Divide 6:
1 bag -> 
Multiply 2:
2 bags -> 
Answer:
x ≥ 25
Step-by-step explanation:
In the seventh grade, fifty students are trying for sports supplies to raise at least $2000. They already have $750.
Let us assume that each student has to raise $x more to meet the goal.
Then, a total of 50 students will raise $50x more.
Therefore, the inequality to solve for x will be
750 + 50x ≥ 2000
⇒ 50x ≥ 1250
⇒ x ≥ 25 (Answer)
