39/8 as a decimal... I've forgotten how to turn fractions into decimals

Mathematics

2 answers:

Flura [38]2 years ago

7 0

Answer:

4.222222 or jus 4.2 with - over the 2 to indicate multiple 2's

Aneli [31]2 years ago

5 0

Answer:

4.875

Step-by-step explanation:

Pretty simple, just divide the numerator by the denominator.

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7.5 4.2

Studentka2010 [4]

✡ Answer: x=6.72 ✡

- - Solve:

- - First step is to cross-multiply:
- $7.5*x=4.2*12$
- $7.5x=50.4$

- - The next step is to divide both sides by the number 7.5
- $\frac{7.5x}{7.5} = \frac{50.4}{7.5} 
$


- - x=6.72

✡Hope this helps✡

3 0

2 years ago

Which hill described in the table is the steepest and why?

weeeeeb [17]

Answer:

Step-by-step explanation:

I think it is C. Sorry if I'm wrong.

3 0

2 years ago

Solve for x. 8x^2-3=2

Mazyrski [523]

$(2^3x^2 - 3) - 2 = 0 \\ \\ Factoring: \ 8x^2-5 \\ \\ 8x^2 - 5 = 0 \\ \\ Add \ 5 \ to \ both \ sides \ of \ the \ equation : \\ \\ 
 8x^2 = 5 \\ \\ Divide \ both \ sides \ of \ the \ equation \ by \ 8: \\ \\ 
 x^2 = \frac{5}{8} = 0.625 \\ \\ \boxed{ x =\pm \sqrt 5/8}$

Your answer: Option A

7 0

3 years ago

Please tell me what the area formula and circumference formula is for a circle?

Whitepunk [10]

The formula for the Circumference of a circle is 2•Pi•R, or 2•Radius•3.14
This is to calculate the measurements around the circle.

The formula for the Area of a circle is Pi•R^2, or 3.14•R•R
This is to calculate the entire circle.

I hope this helps!

5 0

2 years ago

3. Please show your work to find the mean and standard deviation of the data. Round to the nearest tenth.

Ainat [17]

16.1428571 = mean
3.563 = standard deviation

7 0

3 years ago

39/8 as a decimal... I've forgotten how to turn fractions into decimals ​

39/8 as a decimal... I've forgotten how to turn fractions into decimals