2 years ago

15.6°F in 13 minutes

Mathematics

2 answers:

Scrat [10]2 years ago

7 0

15.6 in 13 minutes? are you asking how it got to 15.6 in 13 minutes?

KIM [24]2 years ago

3 0

Answer:

1.2 degree Fahrenheit per minute.

Step-by-step explanation:

We are supposed to find the unit rate for 15.6°F in 13 minutes.

To find the unit rate for our given scenario, we will divide 15.6 by 13 as:

$\text{Unit rate}=\frac{15.6^{\circ}F}{13\text{ min}}$

$\text{Unit rate}=\frac{1.2^{\circ}F}{\text{ min}}$

Therefore, our required unit rate would be 1.2 degree Fahrenheit per minute.

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The sum of 4 consecutive number is 330 what is the sum of the largest and the smallest number

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The answer is 165

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2 years ago

Prove algebraically that the recurring decimal 0.472 can be written as<br> 17<br> 36

Katen [24]

Given:

The recurring decimal is $0.47\overline{2}$ .

To prove:

Algebraically that the recurring decimal $0.47\overline{2}$ can be written as $\dfrac{17}{36}$ .

Proof:

Let,

$x=0.47\overline{2}$

$x=0.472222...$

Multiply both sides by 100.

$100x=47.2222...$ ...(i)

Multiply both sides by 10.

$1000x=472.2222...$ ...(ii)

Subtract (i) from (ii).

$1000x-100x=472.2222...-47.2222...$

$900x=425$

Divide both sides by 900.

$x=\dfrac{425}{900}$

$x=\dfrac{17}{36}$

So, $0.47\overline{2}=\dfrac{17}{36}$ .

Hence proved.

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2 years ago