Answer:
The correct option is C) $145,000
Step-by-step explanation:
Consider the provided regression.
sales y in $1000 and advertising x in $100
We have given that they spent $900 in advertising.
That means substitute x=9 in above regression because x is in $100.
It is given that y in $1000.
That means the total sale is 145×$1000=$145000.
Hence, the correct option is C) $145,000
Answer:
110 is not a perfect square.
Step-by-step explanation:
A perfect square is a number that can be expressed as the product of two equal integers.
Answer:
6
Step-by-step explanation:
x, or the amount of days is the independent variable.
Answer:
Perimeter = 98 cm
Area = 596
Step-by-step explanation:
Please refer to the attached image for the resultant figure when a quadrant of circle with radius 7 cm is cut from a rectangle of sides 30 cm and 25 cm.
Perimeter of a figure = Sum of all its sides + Perimeter of circle
Quadrant of a circle is one fourth of a circle and there are 4 such quadrant of a circle, so eventually there is one complete circle in this figure.
The sides of this resultant figure = 30 - 14 = 16 cm
and 25 - 14 = 11 cm
So perimeter of this figure = 16 + 11 + 16 + 11 + Perimeter of circle
To find area of this figure = Area of rectangle - Area of circle
Area of rectangle = Length Width
Area of circle =
So, area of figure = 750 - 154 = 596