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Alex777 [14]
2 years ago
5

A cube has a volume of 64. What is the length of one side of the cube?

Mathematics
1 answer:
Sauron [17]2 years ago
8 0

We will solve this using volume of cube formula. Since, It is a cube all the sides are equal in length. Let's find the length with volume... ~

\boxed{ \sf \: volume = a^{3} }

Where A is the side of cube

We have, Volume = 64

Let's solve for a

\sf\to64 =  {a}^{3}

Swap the sides of the equation

\sf \to \: a^{3}  = 64

Take the cube root of 64

\sf \to \: a =  \sqrt[3]{64}

Solve for root

\sf \to \: a = 4

<em>Thus, Each side of the cube measures 4 unit..!</em>

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3 years ago
2500 + 20%=what's the answer
zysi [14]

Answer:

  as written: 2500.2

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Step-by-step explanation:

20% = 0.2, so adding 0.2 to 2500 gives 2500.2

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We suspect you want to add 20% of 2500 to 2500. That is ...

  2500 + 20%×2500

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<em>Comment on percentages</em>

A percentage is a pure number. It is a ratio of like quantities, so has no units.* A <em>useful</em> percentage always has a base. That is, it is a percentage <em>of something</em>. Sometimes that base may be unclear or unstated, in which case the percentage might very well be considered to be meaningless.

In any event, a percentage is simply a (unitless) fraction. The "%" symbol means the same thing as "/100", so 20% means 20/100 = 2/10 = 1/5.

The very clear math expression 2500 +20% means simply 2500 + 1/5, which is the mixed number 2500 1/5 or the decimal value 2500.2. Usually, when we want to add a percentage to some value, we want the percentage to be <em>of the original value</em>. When that is written as a math expression, it must show this:

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* The concentration or potency of some medicines or other mixtures may be expressed as a percentage that is the ratio of one unit to a different unit, typically weight per volume. That is, a "0.1%" preparation may be 0.1 grams per 100 mL, for example. You have to read the label to determine whether this is the case. Mathematically, this is not a percentage, but is a non-standard use of the "%" symbol to indicate a ratio to 100 of something.

4 0
2 years ago
Antwon makes hot chocolate by mixing 2 cups of milk with 5 tablespoons of cocoa.
Yuki888 [10]

Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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38/7 ÷ 5/11 = 38/7 × 11/5 = 38 × 11/7 × 5 = 418/35

418/35 = 11 33/35

Hope this helps!  

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3 years ago
1) Let f(x) = (x+1) +4<br> (a) The natural domain of f is
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