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3 years ago

Can someone PLEASE hwlp me??

Mathematics

2 answers:

andreyandreev [35.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

There are 5 gold books for every 3 red books.

You are trying to find the ratio of "x" gold books to 24 red books.

First, divide 24 with 3:

24/3 = 8

The questioner multiply 8 to the ratio's denominator. To solve completely, what you do to the denominator of the fraction, you must do to the numerator. Multiply:

5 x 8 = 40

40 gold notebooks is your answer, making the ratio 40 gold : 24 red.

Aliun [14]3 years ago

5 0

Answer:

Step-by-step explanation:

There are 3 red bars

It states we have 24 red notebooks

24/3 = 8

Each bar represents 8 notebooks

We have 5 gold bars

5*8 = 40

We have 40 gold notebooks

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Read 2 more answers

The equation y=9. 5x 0. 4 represents the line of best fit for the distance (in feet) that Marcella traveled over time (in second

Bas_tet [7]

The average speed of Marcella in feet per seconds is 9.5 feet per second.

<h3>How are time taken for travel, distance traveled, and the average speed are related?</h3>

We have this below shown relation between them

$\text{Average speed} = \dfrac{\text{Distance traveled}}{\text{Total time taken to travel that distance}}\\\\or\\\\\text{Total time taken to travel that distance}= \dfrac{\text{Distance traveled}}{\text{Average speed} }$

For the given case, we have:

The equation $y=9.5x + 0.4$ represents the line of best fit for the distance (in feet) that Marcella traveled over time (in seconds)

The line of best fit can be taken as approximately telling about the data points ( y = distance traveled in feet, and x = time spent )

Let the initial time be 'x' with initial distance traveled 'y', then the time after one second will be (x+1), and the distance traveled be $y_1$

The value of y and $y_1$ are calculated as:

$y = 9.5x + 0.4\\y_1 = 9.5(x+1) + 0.4 = 9.5x + 9.9$

Thus, the average speed is calculated at time 'x' as:

$\text{Average speed} = \dfrac{\text{Distance traveled}}{\text{Total time taken to travel that distance}}\\\\or\\\\\text{Average speed} = \dfrac{y_1 - y}{x + 1 - x} = \dfrac{9.5x + 9.9 - 9.5x - 0.4}{1} = 9.5 \: \rm feet/sec$