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WINSTONCH [101]
4 years ago
5

2. The cost of a pen at the office supply store is $2.65. The school store sells

Mathematics
1 answer:
GrogVix [38]4 years ago
7 0

Answer:

80 cents

Step-by-step explanation:

3.45-2.65= .80

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If m,1 = 100 find m,5
Sedbober [7]
Isn’t the same ?? so wouldn’t it be 100 also ?
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3 years ago
The speed, s, of the current in a certain whirlpool is modeled by s=300/d, where d is the distance from the center of the whirlp
JulijaS [17]
For this case we have the following equation:
 s = 300 / d
 Where,
 s: the speed of the current in a certain whirlpool
 d: the distance from the center of the whirlpool
 We have then that:
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 If the distance from the center of the whirlpool is very small, the speed tends to infinity
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7 0
3 years ago
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X to the third power equals 512
Nana76 [90]

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Step-by-step explanation:

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3 years ago
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un refresco tiene una concentración de 3.8 x 10-4 de iones H+. determina el valor de PH de ese refresco​
kifflom [539]

Answer:

El pH del refresco es 3.42.

Step-by-step explanation:

Se puede calcular el pH del refresco usando la siguiente fórmula:

pH = -log([H^{+}])

En donde:

[H⁺]: es la cocentración de los iones H⁺ de la solución

Entonces, el pH es:

pH = -log([H^{+}]) = -log(3.8\cdot 10^{-4}) = 3.42

El resutlado obtenido nos permite concluir que ese refresco es ácido.

Por lo tanto, el pH del refresco es 3.42.

Espero que te sea de utilidad!

4 0
3 years ago
Please help stuck on this question
just olya [345]

Answer:

110 - 2x

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

x + 50 + 5x - 40 + 110 - 2x = 180, that is

4x + 120 = 180 ( subtract 120 from both sides )

4x = 60 ( divide both sides by 4 )

x = 15

Thus

x + 50 = 15 + 50 = 65°

5x - 40 = 5(15) - 40 = 75 - 40 = 35°

110 - 2x = 110 - 2(15) = 110 - 30 = 80°

The largest angle is (110 - 2x)° = 80°

7 0
3 years ago
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