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Mekhanik [1.2K]
2 years ago
10

Which statement describes the graph of f(x) = 4x2 + 20x + 25?

Mathematics
2 answers:
Montano1993 [528]2 years ago
8 0
This  is a perfect square  parabola
 f(x) = (2x + 5)^2 

the graph will be a parabola opening upwards and will touch the x-axis at x = -2.5
Lilit [14]2 years ago
8 0

Answer:

The graph touches the x-axis at (–2.5, 0).

Step-by-step explanation:

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The number of students going on the trip is 50.

Given,

A school is organizing a weekend trip to a nature preserve.

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The school must also pay a $15 cleaning fee for the bus.

The total cost of the weekend is $3,765.

We need to find out how many students will be going on the trip.

<h3>How do we find the number of items from the cost of each item and the total amount?</h3>

We simply divide the total cost by the cost of each item.

Example:

Total amount = 10

Each item cost = 2

Number of items = 10/2 = 5

Find the charge of each student.

= Food and lodging charge + bus charge

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Find the additional charge for the trip.

= Cleaning charge

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Find the total cost of the trip.

= $3,765

Find the total charge from the students.

= $3,765 - $15

= $3,750

Find the number of students who went on the trip.

= Total charge from the student's ÷ cost of each student

= 3750 ÷ 75

= 3750 / 75

= 50

This means 50 students.

Thus the number of students who went on the trip is 50.

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Step-by-step explanation:

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