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Flauer [41]
3 years ago
9

The perimeter of an equilateral triangle is 63 in.

Mathematics
2 answers:
hoa [83]3 years ago
6 0

Answer:

Step-by-step explanation:just do 4x+3

Mashcka [7]3 years ago
4 0

Because it is an equilateral triangle, all three sides are the same length.  Because of this, you need to divide 63/3 to find out the length of one side.  63/3=21.  So this tells us that 4x+3=21.  Now that we have the equation, we need to solve for x. To do this, subtract the 3 on both sides to get 4x alone.  21-3=18.  So now we know that 4x=18.  Now divide 4 on each side to get x alone.  X= 18/4, which simplifies to 9/2.  In decimal form, x=4.5.

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Is there a rational number between 1/7 and 1/8
telo118 [61]
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5 0
3 years ago
Consider the following system of equations:
Kobotan [32]

Answer:

x=-15, y=25. (-15, 25).

Step-by-step explanation:

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--------------

x=10-y

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5 0
3 years ago
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What is the value of the fourth term in a geometric sequence for which a=15 and r= 1/3
Andreyy89

Answer:

Step-by-step explanation:

hello :

the n-ieme term is : An=A1×r^(n-1)

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in this exercice : A1 =15        r = 1/3      n = 4

A4=15×(1/3)^(4) =15×4^4 =3840    

6 0
3 years ago
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