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Blizzard [7]
3 years ago
15

Find the area of an eqilateral triangle with the side of 6 inches

Mathematics
1 answer:
Elenna [48]3 years ago
7 0

Answer:

The area of an equilateral triangle with the side of 6 inches = 15.59 inches²

Step-by-step explanation:

Formula:-

Area of equilateral triangle = √3a²/4  

Where 'a' is the side of equilateral triangle.

<u>To find the area of given triangle</u>

Here side a = 6 inches

Area = √3a²/4  

  = (√3 * 6²)/4

 = (1.73 * 36)/4  = 1.73 * 9 = 15.59 inches²

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When a² + a – 3 is subtracted from 3a? – 5, the result is
Marina CMI [18]

Answer:

2a^2 - a - 2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is really answer please help ​
Reika [66]

Answer:

4±√5

EXPLAINED ANSWER:

Since the variable is a binomial and it is squared, we apply square root on both side, and apply the ± sign on the right side (since the solution of a square root can be both positive and negative), and later pass the 4 positive to the other side.

√25 can be (5)(5) or (-5)(-5)

5 0
3 years ago
Kaylee and Olivia go to the movie theater and purchase refreshments for their friends.
KatRina [158]

The price of one bag of popcorn is $3.75

Step-by-step explanation:

Let,

x represent the cost of a bag of popcorn

y represent the cost of a drink.

According to given statement;

4x+12y=30      Eqn 1

x+6y=11.25      Eqn 2

Multplying Eqn 2 by 2

2(x+6y=11.25)\\2x+12y=22.50\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 1

(4x+12y)-(2x+12y)=30-22.50\\4x+12y-2x-12y=7.50\\2x=7.50

Dividing both sides by 2

\frac{2x}{2}=\frac{7.50}{2}\\x=3.75

4x+12y=30 and x+6y=11.25 can be used to find the price of one bag of popcorn and the price of one drink.

The price of one bag of popcorn is $3.75

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/11821063
  • brainly.com/question/11871074

#LearnwithBrainly

3 0
3 years ago
Please answer correctly !!!!!!!!!!!!!! Will Mark Brianliest !!!!!!!!!!!!!!!!!!!
alexgriva [62]

Answer:

x = 30

Step-by-step explanation:

well from the theorem we have

\frac{15}{3}=\frac{x}{6}

yes i know you could say that the right way is

\frac{3}{15}=\frac{6}{x}

well if you notice they are the same only that in my way the x is in the numerator which means it will be far easier to know it's value :)

so

\frac{15}{3}=\frac{x}{6}\\\\5=\frac{x}{6}\\\\6[5]=6[\frac{x}{6}]\\\\30=x

8 0
3 years ago
A clothing pattern calls for 4.81 yd2 of fabric. How many square inches of fabric does the pattern use?
Vera_Pavlovna [14]
Total square inches of fabric. 
To answer this question you need to know how many square inches makes up one square yard.

1296 square inches makes one square yard. 

Therefore total square inches =
1296x4.81= 6233.76 square inches
4 0
3 years ago
Read 2 more answers
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