Question

Хелп Василиса андреевна решила посадить цветы в прямоугольной клумбе, но она не знает площадь этой клумбы. она решила обратиться за помощью к соседу всеволоду афанасьевичу, но он знает лишь то, что длина этой клумбы на 3 дм меньше её площади, а ширина - на 4 дм меньше её площади. помоги василисе андреевне узнать площадь клумбы.​

Answer 1

ответ: 6 дм².

пояснение: решим через квадратное уравнение, где площадь примем за х.
получится уравнение:
(х-3)×(х-4)=х.
когда решим получим 2 корня:
х1=2.
х2=6.
первы корень нам не подходит, поэтому верный ответ 6, можете выполнить проверку.

Answer 2

Problem Analysis

Vasilisa Andreevna wants to determine the area of a rectangular flower bed. She knows that the length of the flower bed is 3 dm less than its area, and the width is 4 dm less than its area. We need to help Vasilisa Andreevna calculate the area of the flower bed.

Solution

Let's assume the length of the flower bed is L dm and the width is W dm. According to the given information, we have the following equations:

1. L = Area - 3 2. W = Area - 4

To find the area of the flower bed, we need to solve these equations simultaneously.

Solving the Equations

We can solve these equations by substituting the value of L and W into the area formula.

1. Substitute L = Area - 3 into equation 2: W = Area - 4

2. Substitute W = Area - 4 into equation 1: Area - 3 = Area - 4

3. Simplify the equation: Area - Area = -4 + 3

4. Simplify further: 0 = -1

The equation simplifies to 0 = -1, which is not possible. This means there is no solution that satisfies the given conditions. It seems there might be an error in the problem statement or the given conditions are contradictory.

Conclusion

Based on the given information, it is not possible to determine the area of the rectangular flower bed. It is recommended to double-check the problem statement or seek clarification from the person who provided the information.

Please let me know if there is anything else I can help you with!