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storchak [24]
3 years ago
14

Solve P = 2l + 2w for l.

Mathematics
1 answer:
mario62 [17]3 years ago
5 0

Answer:

l = \frac{P}{2} - w

Step-by-step explanation:

P = 2l + 2w

2l = P - 2w

l = \frac{P}{2} - w

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¿es cierto que si se suman los resultados de la tabla del con los de la tabla del 5 se obtienen los resultados del 7 ¿porque
SSSSS [86.1K]

Answer:

Efectivamente, si se suman los resultados de la tabla del 2 con los de la tabla del 5 se obtienen los resultados de la tabla del 7.

Step-by-step explanation:

Esto es así porque 7 puede formarse a través de diversas sumas (7+0, 6+1, 5+2 o 4+3). Por ende, en el caso de las tablas de multiplicaciones, decir, por ejemplo, 7 x 3, es igual a decir 5 x 3 + 2 x3, dado que 5 + 2 es igual a 7.

Entonces, siguiendo el ejemplo, dado que 7 x 3 es igual a 21, la suma de 5 x 3 igual a 15 y 2 x 3 igual a 6 es 21 (15 + 6), con lo cual la afirmación es correcta.

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3 years ago
What fraction is equal to the decimal 0.4?
Sholpan [36]
<span>Step 1: 0.4 = 4⁄10</span>
<span>Step 2: Simplify 4⁄10 = 2⁄5</span>             
4 0
3 years ago
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Write 75% as a decimal
aivan3 [116]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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If a ladder is to be placed 3 feet from the side of a house. If top of the ladder rests exactly on the edge of the house when it
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Answer:

7 feet long

Step-by-step explanation:

This set up will give a right angle triangle where;

Length of the ladder is the hypotenuse = x

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Using the CAH in trigonometry identity;

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hyp = 3/cos72

hyp = 3/0.4258

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Hence the ladder is approximately 7 feet long

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You can take out 2x^3 from both terms making it
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