3 years ago

An electrician cuts a 26ft piece of wire into 2 pieces. One piece is 20ft longer than the other. How long are the pieces

Mathematics

1 answer:

HACTEHA [7]3 years ago

3 0

One piece is 3 ft long and the other is 23 ft long

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Orange juice is a common breakfast drink that contains citric acid. If the hydronium ion concentration is 3.4 × 10-4 in orange j

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Answer:

3.5

Step-by-step explanation:

Given : the hydronium ion concentration is $3.4*10^{-4}$ in orange juice

To Find: what is the pH?

Solution :

Definition of pH : pH is the negative log of the molar hydrogen ion concentration

Formula of pH : - log [H+]

Since we are given H+ = $3.4*10^{-4}$

So, substituting this value in formula :

$pH = - log [3.4*10^{-4}]$

$pH = - log [3.4*0.0001]$

$pH = - log [0.00034]$

$pH = 3.468$

pH = 3.468≈3.5

Thus the pH is 3.5

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3 years ago

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Answer:

All of them are 194000 except 19.4x10^-4

Step-by-step explanation:

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3 years ago

Please help!!! Seriously need it ASAP. Perform the indicted operations: 4{8.2+3.7(4.4×8.8 -18.86)}

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4{8.2+3.7(4.4×8.8 -18.86)}=

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2 years ago

Find x and h (And show work)

sergey [27]

Answer:

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Answer:

Step-by-step explanation:

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