A signed number is a number with either a + or - in front of it. this doesn't mean that you are adding or subtracting it though. a negative number is a signed number. a positive or whole number is a signed number, but we don't usually write the + sign in front of it
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Answer: The answers are A and B
Step-by-step explanation:
Ap3x
Always.
So it is B.
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Step-by-step explanation:
verticales están a 12 metros uno del otro. Si tanto la parte superior como la inferior del arco son arcos de parábola, redondeo hasta el metro más cercano la suma de longitudes de los tirantes verticales e inclinados.