Can someone help me plslsssssss
1 answer:
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Answer:
6 + 3 or 6 - 3
Step-by-step explanation:
x^2 - 12x + 36 = 90
x^2 - 12x - 54 = 0
x =
a = 1, b= -12, c= -54
6 + 3 or 6 - 3
Answer:
<h2>S.A. = 234 mm²</h2>Step-by-step explanation:
The formula of a surface area of a rectangular prism:
l - length
w - width
h - height
We have l = 15 mm, w = 3 mm, h = 4 mm. Substitute: