17 - 6 x 10 ÷ 2 + 12 = 17 - 60 ÷ 2 + 12 = 17 - 30 + 12 = -13 + 12 = -1
Hello! The Perimeter is = 60cm
1 side = 60/3 = 20 cm
√s(s-a)(s-b)(s-c)s(s−a)(s−b)(s−c)
s = 30
√30(30-20)(30-20)(30-20)
=√30×10×10×10=√30000cm²
The Area is = 100√3 cm²
Answer:
2 solutions for this equation because the highest power is 2
Answer: D. 2.8
Explanation:
7.7 + d = 10.5
Plug 2.8 as d in the equation
7.7 + 2.8 = 10.5
This is a true statement so D is the correct answer!
Answer:
21.25
Step-by-step explanation:
so what I did was i x 8 and 1/2 by 2.50