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lana66690 [7]
3 years ago
15

Solve: -2/5 (1/4 x -4)

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
8 0

Answer:

2/5 is tje correct answer for your question

Genrish500 [490]3 years ago
3 0

Answer:

0.4

Step-by-step explanation:

Use PEMDAS

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Answer:

The constant of variation is k = -2 ⇒ (B)

Step-by-step explanation:

The equation of the direct variation is y = k x, where

  • k is the constant of variation
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The given table has 4 points (-1, 2), (0, 0), (2, -4), (5, -10)

We can use one of the points <em>[except point (0, 0)]</em> to find the value of k

∵ (-1, 2) is a given point

∴ x = -1 and y = 2

∵ k = \frac{y}{x}

→ Substitute the values of x and y in the relation above

∴ k = \frac{2}{-1}

∴ k = -2

The constant of variation is k = -2

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3 years ago
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Lostsunrise [7]

Answer:

$7.00

Step-by-step explanation:

2.10 \div 6 = 0.35

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4b)Knowing this, if we have 20 oz of coffee, and we multiply it by 0.35, we will get how much it costs for this cup.

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Hope this makes sense and feel free to ask questions!

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