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erastova [34]
4 years ago
8

an equilateral triangle has a premimeter of 3x + 30. what is the length of each side of the triangle?

Mathematics
2 answers:
andriy [413]4 years ago
7 0
Since an equilateral triangle has three equal sides you need to divide the perimeter by 3 to get 3 equal lengths.

First - set it up as division and get:
(3x+30)/3

Second - to divide by three you need to factor out 3x+30 and you will get:
3(x+10)/3

Third - you have to divide the two 3'sand get:
1(x+10)/1 = x+10

ANSWER:
X+10

And if you wanted to check you could add x+10+x+10+x+10
Combine like terms and you'll get back to the perimeter of 3x+30
jok3333 [9.3K]4 years ago
6 0
3x + 30 divided by each of the 3 sides would equal x+10.

Because 3(x+10) = 3x+10

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A graphic charges a fee of 1600 to design a poster for a jazz festival the designer also receives 8% commission on sales of the
iris [78.8K]

Answer:

The total income of designer from this work is $1649.6.

Step-by-step explanation:

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5 0
4 years ago
Rewrite the expression with rational exponents as a radical expression by extending the properties of integer exponents.
ra1l [238]

The expression will be written as \rm \sqrt[8]{2^5}., the correct option is A.

<h3>What are Exponents?</h3>

Exponents are the base raised to a power, It is written in the superscript of a number.

The expression given in the statement can be written as

\rm \dfrac{ 2^{7/8}}{2^{1/4}}

By the Exponent rule,

\rm \dfrac{a^m}{a^n} = a^{m-n}

So the expression can be written as

<h3>=\rm { 2^{7/8-1/4}</h3>

=\rm 2^{5/8}

=\rm \sqrt[8]{2^5}

Therefore, in radical form, the expression will be written as \rm \sqrt[8]{2^5}., the correct option is A.

The complete question is

Rewrite the rational exponent as a radical by extending the properties of integer exponents.

2 to the 7 over 8 power, all over 2 to the 1 over 4 power

the eighth root of 2 to the fifth power

the fifth root of 2 to the eighth power

the square root of 2 to the 5 over 8 power

the fourth root of 2 to the sixth power

To know more about Exponents

brainly.com/question/5497425

#SPJ2

6 0
2 years ago
3) Shay is looking to go camping with her family. Choice A charges a $150
spayn [35]

Answer:

The answer is B

Step-by-step explanation:

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2 years ago
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