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3 years ago

120 miles in 1 3/4 hours as a unit rate

Mathematics

1 answer:

Zarrin [17]3 years ago

6 0

9514 1404 393

Answer:

68 4/7 miles/hour

Step-by-step explanation:

The unit rate is found by dividing miles by hours:

(120 miles)/(7/4 hours) = 480/7 miles/hour = 68 4/7 miles/hour

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Step-by-step explanation:

3 x 6 = 18

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3 years ago

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Answer:

400/ 81

Step-by-step explanation:

16/25 × (5/3)^4

16/25 × (625/ 81)

10000/ 2025

400/81

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3 years ago

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3 years ago

Y=x what is the rate of change

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3 years ago

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

Decimal Grid = Hundredths

$Amber = None$

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

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

To solve for each:

We have:

For Amber:

$Amber = 0 * 100$

$Amber = 0$

For Grace:

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

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

$Grace = \frac{300}{5}$

$Grace = 60$

This means that Grace shaded 60 of the hundredth models.

Decimal shaded is:

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

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

$Grace = 0.60$

For Marsha:

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

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

$Marsha = \frac{17}{10}th$

$Marsha = 1.7th$

Multiply this by 100, to get the number of shaded

$Marsha = 1.7 * 100$

$Marsha = 170$

This means that Marsha shaded 170 of the hundredth models.

Decimal shaded is:

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

$Marsha =1.70$

5 0

3 years ago