3 years ago

The time it takes to charge the battery of a cell phone is directly proportional to the charge of the battery.

1 answer:

8 0

Answer:

4 i believe

Step-by-step explanation:

Im so sorry if this is wrong and for being late

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olya-2409 [2.1K]

The answer is orange because I think that is the answer

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borishaifa [10]

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nikdorinn [45]

B is the right answer

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Lorico [155]

Answer: 10

<u>Step-by-step explanation:</u>

varies directly means: $\frac{y}{x} = k$

Step 1: solve for k ⇒ $\frac{21}{5} = k$

Step 2: plug in the given value and k to solve for the missing value: $\frac{42}{x} = \frac{21}{5}$

42(5) = 21(x)

$\frac{42(5)}{21} = \frac{21(x)}{21}$

2(5) = x

10 = x

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Harlamova29_29 [7]

A ratio between is like 52

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