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3 years ago

PLEASE HELP ME I DONT UNDERSTAND

Mathematics

1 answer:

FromTheMoon [43]3 years ago

3 0

3x + 2y = 4
subtract 3x from both sides
2y = -3x + 4
divide both sides by 2
y = -3/2x + 2
LETTER A

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Step-by-step explanation:

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Three girls cut out decimal models of hundredths. Amber doesn't shade any of her models. Grace qualifies three fifths of a model

Varvara68 [4.7K]

Answer:

$Amber = 0$

$Grace = 0.60$

$Marsha =1.70$

Step-by-step explanation:

Given

<em>Decimal Grid = Hundredths</em>

$Amber = None$

$Grace = \frac{3}{5}th$

$Marsha = 1 + \frac{7}{10}th$

To solve for each:

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For Amber:

$Amber = 0 * 100$

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For Grace:

$Grace = \frac{3}{5}th$

$Grace = \frac{3}{5} * 100$

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This means that Grace shaded 60 of the hundredth models.

Decimal shaded is:

$Grace = 60 * \frac{1}{100}$

$Grace =\frac{60}{100}$

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For Marsha:

$Marsha = 1 + \frac{7}{10}th$

$Marsha = \frac{10 + 7}{10}th$

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Multiply this by 100, to get the number of shaded

$Marsha = 1.7 * 100$

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Decimal shaded is:

$Marsha = \frac{170}{100}$

$Marsha =1.70$

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Answer:

Step-by-step explanation:

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