Question

Скорость пчелы 2 м/с скорость мухи составляет 2 1/2 скорость пчелы а скорость стрекозы равна 4 1/2 скорость пчелы какова скорость мухи какова скорость стрекозы СРЕШЕНИЕМ И УСЛОВИЯМИ((((ПОЖАЛУЙСТА

Answer 1

1) скорость мухи
2 1\2 * 2 = 2.5 * 2 = 5 ( м\с )
2) скорость стрекозы
4 1\2 * 2 = 4.5 * 2 = 9 ( м\с ) 

Answer 2

Problem Analysis

We are given the speeds of a bee, a fly, and a dragonfly in terms of the bee's speed. We need to determine the speed of the fly and the speed of the dragonfly.

Solution

Let's assign variables to the speeds of the bee, fly, and dragonfly. Let the speed of the bee be b, the speed of the fly be f, and the speed of the dragonfly be d.

From the given information, we have the following equations:

1. The speed of the fly is 2 1/2 times the speed of the bee: f = 2 1/2 * b. 2. The speed of the dragonfly is 4 1/2 times the speed of the bee: d = 4 1/2 * b.

To find the speed of the fly and the speed of the dragonfly, we need to substitute the value of b into the equations.

Calculation

Let's calculate the speed of the fly and the speed of the dragonfly.

1. Speed of the fly (f): - Substituting b = 2 m/s into the equation f = 2 1/2 * b: - f = 2 1/2 * 2 m/s - f = 5 m/s

2. Speed of the dragonfly (d): - Substituting b = 2 m/s into the equation d = 4 1/2 * b: - d = 4 1/2 * 2 m/s - d = 9 m/s

Answer

The speed of the fly is 5 m/s and the speed of the dragonfly is 9 m/s.

Please let me know if you need any further assistance.