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3 years ago

Determine the better buy. A: $9.60 for 3 gallons B: $16.00 for 400 fl ounces

Mathematics

1 answer:

Phoenix [80]3 years ago

4 0

Answer:

A is better, you pay 0.015 less than option B.

Step-by-step explanation:

1 gallon = 128 oz so:

3 x 128 = 384 oz

9.60 / 384 = $0.025 per oz

16.00 / 400 = $0.04 per OZ

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Given the preimage and image,find the dilation scale factor.

Oliga [24]

Answer:

The dilation scale factor is $\frac{1}{2}$ .

Step-by-step explanation:

The image is the dilated form of its preimage if and only if the following conditions are observed:

1) $K' = \alpha_{1} \cdot K$

2) $T' = \alpha_{2} \cdot T$

3) $P' = \alpha_{3} \cdot P$

4) $J' = \alpha_{4} \cdot J$

5) $\alpha_{1} = \alpha_{2} = \alpha_{3} = \alpha_{4}$

If we know that $K = (2, 0)$ , $K' = (1, 0)$ , $T = (3, 0)$ , $T' = (1.5,0)$ , $P = (1, 5)$ , $P' = (0.5, 2.5)$ , $J = (0, 3)$ and $J' = (0, 1.5)$ , then the coefficients are, respectively:

$\alpha_{1} = \frac{1}{2}$ , $\alpha_{2} = \frac{1}{2}$ , $\alpha_{3} = \frac{1}{2}$ , $\alpha_{4} = \frac{1}{2}$

As $\alpha_{1} = \alpha_{2} = \alpha_{3} = \alpha_{4}$ , we conclude that the dilation scale factor applied in the preimage is equal to $\frac{1}{2}$ .

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3 years ago

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OlgaM077 [116]

Answer:

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Step-by-step explanation:

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2 years ago

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2 years ago

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Drawing models makes it clearer to compare.

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3 years ago

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faltersainse [42]

Answer:

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Step-by-step explanation:

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+6 to each side

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