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Artemon [7]
3 years ago
14

What is 40% of 42? Please answer fast

Mathematics
2 answers:
Hunter-Best [27]3 years ago
8 0

Answer:

16.8 is the answer

Step-by-step explanation:

(.40 x 42= 16.8)

It's super simple. Hope this helped!

Blizzard [7]3 years ago
3 0

Answer:

16.8

think as 42 is 100%

what would be 40%

if 42 =100%

X = 40%.....take a cross

(40*42)/100=X

1680/100=x

<em>X</em><em>=</em><em>16.8</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>the</em><em> </em><em>final</em><em> </em><em>answer</em><em> </em>

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Which can be used to describe the expression? Check all that apply.
frozen [14]
We can write the expression above as the following function:

f(r)=(r-4)^{3}

So let's examine the expressions that are true for this exercise.

1. <span>There are three factors of r-4:

This is true because we can write the function f(r) as follows:

</span>f(r)=(r-4)(r-4)(r-4)

So you can see that in fact there are three factors.

<span>2. The expression is equal to 1 over 12 factors of r.

This is false. It is obvious that this is impossible. There is no any way to get the same expression by applying this statement.
</span>
3. <span>Adding the exponents will create an equivalent expression.

This is true because we can write the function as follows:

</span>f(r)=(r-4)^{1+1+1}

So adding one three times we can get the same function, that is:

1+1+1=3

Therefore this is an equivalent expression because:

f(r)=(r-4)^{1+1+1}=(r-4)^{3}

4. Multiplying the exponents will create an equivalent expression.

This is true.You can get the following expression:

f(r)=(r-4)^{\frac{2}{3}\times \frac{9}{2}}

By multiplying the exponents we have:

\frac{2}{3}\times \frac{9}{2}=3

Therefore this is an equivalent expression because:

f(r)=(r-4)^{\frac{2}{3}\times \frac{9}{2}}=(r-4)^{3}

5. <span>The expression simplifies to.

The expression is simplified, that is, it has been factorized. Therefore there is no a way to simplify this function but:

</span>f(r)=(r-4)^{3}

8 0
4 years ago
Read 2 more answers
Hey so I just got this but do any of you know what is -5-(-3)?
svet-max [94.6K]
-5+3
the answer is -2
7 0
3 years ago
Given an angle, draw the opposite ray of one of its sides to form a linear pair. Find the measure of the angle formed by the ang
xz_007 [3.2K]
<span>Let opposite ray be drawn for the base side ray of the given angle. This gives angle 180° between these two rays. Angle bisectors of the given angles 50°, 90°, and 150° make respectively half of these angles : 25° , 45° and 75° with the base ray. Then measure of the angles between the bisectors of the given angles and the drawn opposite ray are 180°-25°=155°, 180°- 45° =135° and 180°- 75° = 105° respectively.</span>
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Please help me with my homework
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Answer:

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