If x=girls,
then we have 3x boys.
We know that all children are boys+girls, so x+3x, which is 4x and 4x is 48, so one x is 12.
So there are 12 girls and 36 boys.
For f(x)=ax^2+bx+c
the axis of symmetry is -b/2a
f(x)=2x^2+4x+2
a=2
b=4
-4/(2*2)=-4/4=-1
the axis of symmetry is x=-1
B
Answer:
a rectangular prism
Step-by-step explanation:
consists of 6 faces which are rectangles
None of these choices are correct
The down side of the shape is unknown and cannot be found, therefore you cannot find the perimeter of the shape.
Answer:
238/25
Step-by-step explanation:
Input:
9×1 + 5×1/10 + 2×1/100
Exact result:
238/25
Decimal form:
9.52
Number line:
Number line
Mixed fraction:
9 13/25
Continued fraction:
[9; 1, 1, 12]
Egyptian fraction expansion:
9 + 1/2 + 1/50