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irakobra [83]
3 years ago
6

HELP ASAP!!!! 10 POINTS!!!

Mathematics
1 answer:
Kaylis [27]3 years ago
8 0

Answer:

sorry dont knowz

Step-by-step explanation:

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¿Cuál es el área de un rectángulo, sabiendo que su perímetro mide 24 cm y que su base es el triple de su altura?
Brrunno [24]

Answer:

El área del rectángulo es:

27 cm²

Step-by-step explanation:

Consideración:

La formula del perímetro de un rectángulo es:

p = 2(altura + base)

Planteamiento:

24 = 2(a+b)

b = 3a

a = longitud de la altura del rectángulo

b = longitud de la base del rectángulo

Desarrollo:

sustituyendo el valor de la segunda ecuación del planteamiento en la primer ecuación del planteamiento:

24 = 2(a + 3a)

24/2 = 4a

12 = 4a

a = 12/4

a = 3 cm

de la segunda ecuación del planteamiento:

b = 3a

b = 3*3

b = 9 cm

Comprobación:

de la primer ecuación del planteamiento:

24 = 2(3+9)

24 = 2*12

Respuesta:

la formula del área de un rectángulo es:

A = base * altura

A = 9cn * 3cm

A = 27cm²

5 0
3 years ago
Hey can you please help me posted picture of question
frutty [35]
The answer is C  and  E
6 0
3 years ago
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A school has 18 left-handed students. If 8% of the total number of students in the school are left-handed, what is the total num
LekaFEV [45]
The school has 225 students if 8% is left handed
7 0
3 years ago
Read 2 more answers
Sean walks ¾ of a mile in 15 minutes. At the same pace, how far can Sean walk in 1 hour and 20 minutes? Explain
Pavlova-9 [17]
1 hr plus 20 minutes
Then that answer divided by 15
Then that answer multiply by 3/4
5 0
3 years ago
1.5r – 3r + 8r + 2.5r​
Svetllana [295]

Answer:

9r

Step-by-step explanation:

5 0
3 years ago
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