Please please please help

Mathematics

2 answers:

kondor19780726 [428]2 years ago

6 0

What's up? this answer is 6 chapters per hour. as Lamya read this in 6 hours, we divide 36 by 6 to get 6 chapters per hour

best of luck with your studies

PilotLPTM [1.2K]2 years ago

4 0

Answer:
6 chapters per hour

Step-by-step explanation:
If in 6 hours Lamya reads 36 chapters, her average reading speed is 6 chapters per hour. To get the answer, you simply divide 36(how many chapters she read) with 6 (how long it took).

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Savatey [412]

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4 0

1 year ago

Justin Verlander of the Astros threw a pitch 100 miles per hour. How many seconds did it take to get to home plate. The plate is

castortr0y [4]

It will take 0.4 seconds to get to the home plate.

Given:

The speed of the pitch thrown by Justin is 100 miles per hour

The distance of home plate from the pitching rubber is 60.5 feet

To find:

The time taken by a pitch to reach the home plate

Solution:

The distance home plate from the pitching rubber = d = 60.5 feet

$1 mile = 5280 feet\\1 foot=\frac{1}{5280} mile\\60.5 feet=60.5 \times \frac{1}{5280} mile=\frac{60.5}{5280}miles$

The speed of pitch thrown by Justin = s = 100 miles/hr

The time taken by a pitch to reach the home plate = t =?

The speed of the moving object is given by dividing the distance covered from the time taken to cover that distance.

$Speed=\frac{Distance}{Time}\\s=\frac{d}{t}\\100 miles/hr=\frac{\frac{60.5}{5280}miles}{t}\\t=\frac{60.5}{5280}miles\times \frac{1}{100 miles/hr}\\= 0.000114583 hr$