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GuDViN [60]
3 years ago
9

Ramla has two full 1.5 litre bottles of water. She wants to fill as many glasses as possible with water from the bottles. Each g

lass can hold 180 millilitres of water.
How many glasses can Ramla completely fill?
Mathematics
1 answer:
DanielleElmas [232]3 years ago
6 0

Answer:

8 glasses

Step-by-step explanation:

Total volume : 1500 ml

Glasses capacity : 180 ml

Glasses can be filled : 1500 / 180 = 8.33

Notice it says completely fill thus it is 8 glasses

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Answer:

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Step-by-step explanation:

The given table represents a function which is in the form of a quadratic equation,

y = ax² + bx + c

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For point (3, -10)

-10 = a(3)² + 3b + c

9a + 3b + c = -10 -------(1)

For point (4, -16)

-16 = a(4)² + 4b + c

16a + 4b + c = -16 ------(2)

For point (5, -24)

-24 = a(5)² + 5b + c

25a + 5b + c = -24 -----(3)

Equation (1) - equation (2)

(9a + 3b + c) - (16a + 4b + c) = -10 + 16

-7a - b = 6

7a + b = -6 ------(4)

Equation (2) - equation (3)

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-9a - b = 8

9a + b = -8 -------(5)

Equation (4) - Equation (5)

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From equation (4),

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From equation (1)

9(-1) + 3(1) + c = -10

-9 + 3 + c = -10

c = -10 + 6

c = -4

Therefore, the value of constant term c is (-4).

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