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zimovet [89]
3 years ago
5

A rectangular shelf has an area of 40 square inches. Its perimeter is 28 inches. What are the dimensions of the shelf?

Mathematics
1 answer:
Reptile [31]3 years ago
7 0

Answer:

4 by 10

Step-by-step explanation:

4 times 10 is 40 (length times width)

4+4+10+20=28

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En la preparación de un perfume se cuenta con dos tipos de esencia base: 1600 ml de una y 1680 ml de otra. Se quiere envasarlas,
Lostsunrise [7]

Answer:

33,600 frascos

Step-by-step explanation:

Resolvemos esta pregunta utilizando el método mínimo común múltiple

Encuentre y enumere los múltiplos de 1600 y 1680 hasta encontrar el primer múltiplo común. Este es el mínimo común múltiplo.

Múltiplos de 1600:

1600, 3200, 4800, 6400, 8000, 9600, 11200, 12800, 14400, 16000, 17600, 19200, 20800, 22400, 24000, 25600, 27200, 28800, 30400, 32000, 33600, 35200, 36800

Múltiplos de 1680:

1680, 3360, 5040, 6720, 8400, 10080, 11760, 13440, 15120, 16800, 18480, 20160, 21840, 23520, 25200, 26880, 28560, 30240, 31920, 33600, 35280, 36960

Por lo tanto,

LCM (1600, 1680) = 33,600

La menor cantidad de frascos necesarios es 33,600 frascos.

4 0
3 years ago
Determine the value of cos 79º 15' (cosine of 79 degrees, and 15 minutes). In this case, minutes are 1/60 of a degree.
yKpoI14uk [10]

Answer:

A. 0.186524036

Step-by-step explanation:

Cosine 79° 15'

But, 1° = 60'

Thus; 15' = 15/60 = 0.25°

Therefore;

cos 79° 15' = cos 79.25°

Cos 79.25° = 0.186524036

                  = 0.186524036

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What would we see if we were able to travel within the multiverse?
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Forever 21 has a student discount of 7%. The total for your items is $24 what is your total after the discount?
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Answer:

the answer is $22.32

Step-by-step explanation:

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3 years ago
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Take 2 coordinates

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Slope'-

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  • m=6/7

Equation in point slope form

  • y-0=6/7(x-1)
  • 7y=6x-6
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