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Irina-Kira [14]
3 years ago
5

Name the property of real numbers illustrated by the equation 2*(√8*7)=(2*√8)*7

Mathematics
2 answers:
umka21 [38]3 years ago
8 0
Associative property of mulipication, the ability to move parenthasees with mltipication or additon
forsale [732]3 years ago
6 0
<h2>Answer:</h2>

The property that is illustrated by the equation is:

                   Associative property of multiplication      

<h2>Step-by-step explanation:</h2>

Associative property--

It states that the elements can be added or multiplied no matter in which order the elements are grouped.

i.e.

a+(b+c)=(a+b)+c

This is the associative property of addition.

and

a×(b×c)=(a×b)×c

This is the associative property of multiplication.

Commutative Property--

It states that two elements of the set when operated gives the resultant as the same when the two are operated in any order.

i.e.

a+b=b+a  This is commutative property of addition.

and

a×b=b×a This is the commutative property of multiplication.

Distributive Property--

Also, for any three elements a,b,c by the distributive property states that:

   a(b+c)=ab+ac

Here we have the equation as:

            2\times (\sqrt{8}\times 7)=(2\times \sqrt{8})\times 7

This is the associative property of multiplication.

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Choices;<br> a) 21.8°<br> b) 35.2°<br> c) 45.1°
kifflom [539]

Answer:

\displaystyle a) \: {x}^{ \circ}  =  21.8 ^{ \circ}

Step-by-step explanation:

we are given opposite and adjacent

we want to figure out x°

remember that,

\displaystyle \: \tan( \theta)  =  \frac{opp}{adj}

where our opp is 5 and adj is 12.5

let \theta be x°

so

\displaystyle \: \tan(  {x}^{ \circ} )  =  \frac{5}{12.5}

\displaystyle \: {x}^{ \circ}  =  \arctan \left( \frac{5}{12.5}  \right)

by using calculator

\displaystyle \: {x}^{ \circ}  =  21.8

hence,

our answer is a

6 0
3 years ago
Ana lee has 30 gum balls. If one sixth are green, and one third are red,are there
Andrew [12]
Red I know because the smaller the number the bigger the fraction
4 0
3 years ago
Polynomials!?!? What is the product of -2x^3+x-5 and x^3-3x-4... Is the product of -2x^3+x-5 and x^3-3x-4 equal to the product o
zaharov [31]
T<span>he product of -2x^3+x-5 and x^3-3x-4 would look like this before simplification:

-2x^6 + 6x^4 - 8x^3 + x^4 - 3x^2 - 4x - 5x^3 + 15 x^2 + 20

Now combine all the like terms.  For example, 6x^4 + x^4 = 7x^4.

Write the product in the simplest possible form, which involves combining like terms and arranging them in descending order by power of x.

</span>
5 0
3 years ago
The circular area covered by a cell phone tower can be represented by the expression 225π miles2. What is the approximate length
Irina18 [472]

Answer:

The length of the diameter of this circular area is of 30 miles.

Step-by-step explanation:

The area of a circular region can be represented by the following equation:

A = \pi r^{2}

In which r is the radius. The diameter is twice the radius.

In this question:

A = 225\pi

So

A = \pi r^{2}

225\pi = \pi r^{2}

r^{2} = 225

r = \pm \sqrt{225}

The radius is a positive measure, so

r = 15

Area in squared miles, so the radius in miles.

What is the approximate length of the diameter of this circular area

D = 2r = 2*15 = 30 miles

The length of the diameter of this circular area is of 30 miles.

6 0
3 years ago
What is the solution set of the following equation? 4\5^2= 2x- 4\5
Elden [556K]

Answer:

x = 18/25

Step-by-step explanation:

(4/5)² = 2x - 4/5

16/25 = 2x - 4/5

16/25 = 2x - 20/25

36/25 = 2x

x = 18/25

3 0
3 years ago
Read 2 more answers
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