3 years ago

Mackenzie needs to determine whether the rectangles are proportional. Which process could she use? Check all that apply.

Mathematics

2 answers:

grandymaker [24]3 years ago

8 0

Answer: which answers do they give so I can see if they apply?

Step-by-step explanation:

Anastaziya [24]3 years ago

3 0

Answer:Sorry not picture

Step-by-step explanation:There is nothing to see

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Solve the system of equations by elimination.

n200080 [17]

Answer:

Step-by-step explanation:

1. 2x - 9y = 23

2 x = 9 y + 23

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2 x - 9 y - 23 = 0

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5 x + 1 = 3 y

y = (5 x)/3 + 1/3

5 x - 3 y + 1 = 0

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Step-by-step explanation:

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goblinko [34]

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Hong reads 9 3/4 chapters in 3 3/8 hours. What is the unit rate in chapters per hour? Write your answer as a fraction or a mixed

Sav [38]

The unit rate is: $2\frac{8}{9}$ chapters per hour

Step-by-step explanation:

Given

chapters read = $9\frac{3}{4} = \frac{39}{4}$

Time = $3\frac{3}{8} = \frac{27}{8}$

Unit rate is calculated by dividing the total chapters by total time

So,

$Unit\ rate = \frac{\frac{39}{4}}{\frac{27}{8}}\\= \frac{39}{4} * \frac{8}{27}\\= 13 * \frac{2}{9}\\=\frac{26}{9}\\=2\frac{8}{9}$

Hence,

The unit rate is: $2\frac{8}{9}$ chapters per hour

Keywords: Unit rate, fractions

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