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Mama L [17]
2 years ago
5

Can someone please help me if possible Thank you ❤

Mathematics
1 answer:
uysha [10]2 years ago
6 0
I think it's b ... :0
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Find the
Mazyrski [523]

Answer:

54 cm

Step-by-step explanation:

The area (A) of an equilateral triangle is

A = \frac{s^2\sqrt{3} }{4}  ( s is the side length ) then

\frac{s^2\sqrt{3} }{4} = 81\sqrt{3} ( multiply both sides by 4 to clear the fraction )

s²\sqrt{3} = 324\sqrt{3} ( divide both sides by \sqrt{3} )

s² = 324 ( take the square root of both sides )

s = \sqrt{324} = 18

Thus

perimeter = 3 × 18 = 54 cm

3 0
3 years ago
10 + 4x = 6<br> I would like to find the equation
sp2606 [1]

Answer:

4x=6-10

4x=-4

x=-4÷4

x=-1

8 0
3 years ago
Read 2 more answers
4. What’s the answer to this question?!
telo118 [61]

Answer:

2000

Step-by-step explanation:

3 0
3 years ago
marco and suzi each mulyiplied 0.721 X 100 Marco got 7.21 for his product suiz got 72.1 for her product which student multiplied
Marianna [84]
Size got it right because it’s multiplied by 100
5 0
2 years ago
A bedroom wall is 12 feet long. A decorator places the center of a square painting that has side lengths of 3 feet in the exact
antiseptic1488 [7]

the answer is 9 feet

cuz 12-3=9

8 0
2 years ago
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