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agasfer [191]
3 years ago
9

If each side of a regular pentagon equals 4 feet , what is its permiter

Mathematics
2 answers:
kirill [66]3 years ago
7 0
4 feet x 5 = 20 feet
Tanya [424]3 years ago
4 0
The awnser is 20 feet
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12. Find the missing values of the variables. The diagram is not to scale.
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X° +110° = 180* . . . . . "linear" angles
x = 70

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y° +270° = 360°
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The values of the variables are
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3 years ago
John has 36 sweets and he shares them in the ratio 2 : 7.
Lana71 [14]

Answer:

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Step-by-step explanation:

John has 36 sweets and he shares them in the ratio 2 : 7.

How many sweets is the larger share?

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.Un recipiente cilíndrico de 5cm de radio y 10cm de altura se llena de agua. Si la masa del recipiente lleno es de 2kg, ¿cuál es
Lera25 [3.4K]

Answer:

La masa del recipiente vacío es 1,2146 kg.

Step-by-step explanation:

La densidad se define como la propiedad que tiene la materia, ya sean sólidos, líquidos o gases, para comprimirse en un espacio determinado. En otras palabras, la densidad es una magnitud que permite medir la cantidad de masa que hay en determinado volumen de una sustancia. Entonces, la expresión para el cálculo de la densidad es el cociente entre la masa de un cuerpo y el volumen que ocupa:

densidad= \frac{masa}{volumen}

Entonces la masa puede ser expresada como:

masa= densidad*volumen

En este caso:

  • densidad del agua= 1000 \frac{kg}{m^{3} }
  • volumen del recipiente cilíndrico= π*radio²*altura= π*(5 cm)²* 10 cm= π*(0,05 m)²*0,1 m= 7,854*10⁻⁴ m³

Reemplazando:

masa= 1000 \frac{kg}{m^{3} } * 7,854*10⁻⁴ m³

masa=0.7854 kg

Si la masa del recipiente lleno es de 2 kg, entonces se le resta la masa de agua calculada:

2 kg - 0,7854 kg= 1,2146 kg

Entonces,<u><em> la masa del recipiente vacío es 1,2146 kg.</em></u>

<u><em> </em></u>

<u><em></em></u>

8 0
3 years ago
How many letter combos can be made from abc?
igomit [66]
I think the answer is 6. ABC, ACB, BAC, BCA, CAB, and CBA.
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