Donald earns $4,500 per month. He wants to set aside 5% of his income for emergencies and 10% for saving. How much should he set
2 answers:
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Answer:
4a. See attached.
4b. 32
6. x = 4.5, LM = 7.5, LN = 10.5
Step-by-step explanation:
4b. The midline of a triangle is half the length of the baseline it is parallel to. Hence the segment FH is twice the length of CD, or 2·16 = 32.
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6. The angle bisector MP divides the triangles segments so those on one side of it are proportional to corresponding ones on the other side of it. Here, that means ...
x/(x+3) = 6/10
10x = 6x + 18 . . . . multiply by 10(x+3)
4x = 18 . . . . . . . . . subtract 6x
x = 4.5 . . . . . . . . . divide by 4
Then segment LM is x+3 = 4.5+3 = 7.5, and LN = x+6 = 4.5+6 = 10.5.
The blanks are filled as ...
x = 4.5 LM = 7.5 LN = 10.5
Answer:
El área del foso es 5.5 m²
Step-by-step explanation:
Hola!
Por favor, mira el esquema adjunto para una descripción del problema.
Viendo la figura, podemos deducir que el área del foso será igual al área del rectángulo formado por el jardín y el foso menos el área del jardín.
Área del foso = área del foso y jardín - área del jardín.
El área de un rectángulo se calcula multiplicando la longitud de la base por la altura:
Área del jardín = 2.5 m · 2 m = 5 m²
Área del rectángulo jardín - foso = 3.5 m · 3 m = 10.5 m²
Área del foso = 10.5 m² - 5 m² = 5.5 m²
El área del foso es 5.5 m²
