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pantera1 [17]
3 years ago
12

Which equation represents a parabola that has a minimum value at y = 42

Mathematics
1 answer:
Otrada [13]3 years ago
6 0

Answer:

The minimum value of y=-6 ----> is not ok. The axis of symmetry is x=3 ----> is ok. case 4) we have. This a vertical parabola open upward (the leading coefficient is positive)---> is ok. The vertex represent a minimum ---> is ok. The vertex is the point (3,3) The minimum value of y=3 ----> is ok. The axis of symmetry is x=3 ----> is ok

Step-by-step explanation:

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3 years ago
After eating a meal at a restaurant, we decided to tip 25%, building a grand total of $87.50. What was the price before the tip?
CaHeK987 [17]

Answer:

65.62

Step-by-step explanation:

Given:

After eating a meal at a restaurant, we decided to tip 25%, building a grand total of $87.50.

To find:

Price before tip

Solution:

87.50 × 25% = 21.875

~Round~: 21.875 to 21.88

87.50 - 21 .88 = 65.62

Thus the price before the tip is 65.62

Check Answer:

<em>Formula: Higher number - Lower number ÷ original number × 100</em>

<em>Solve: </em>

<em>87.50 - 65.62 = 21.88</em>

<em>21.88 ÷ 87.50=0.25005714285</em>

<em>0.25005714285 × 100 = 25.0057142857</em>

<em>Round - 25%</em>

 

<u><em>~lenvy~</em></u>

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