Answer:
79
Step-by-step explanation:
Let the original number be x.
x/2 = 39.5
x = 39.5 × 2
x = 79
The answer is the 3rd option
30-60-90 triangle for reference
Remember soh cah toa
O:opposite, a:adjacent, h:hypotenuse
S:sin c:cosine t:tangent
Hope this helped :)
Answer:
B. you need atleast one variable for an algebraic expression.
an equals sign would make it an algebraic equation,
just a coefficient and a variable is the most basic algebraic expression. you don't need anything other than those for an expression. you can have more than one number, and more than one operation, but they don't have to be there.
Step-by-step explanation:
i hope this helps :))
Yes rational numbers are equal to integers.
Step-by-step explanation:
A,true
doesn't interfere with any function restriction