Kal is decorating the outside edge of a square bulletin board. He needs to know the side length of the bulletin board. The area
of the bulletin board is n square feet.
Which expression shows the side length, in feet, of the bulletin board?
Hint: Formula for area= s^2
Recall the inverse operation that would reverse a number squared.
Which expression shows the side length, in feet, of the bulletin board?
Hint: Formula for area= s^2
Recall the inverse operation that would reverse a number squared.
2 answers:
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Step-by-step explanation:
We have,
The wavelength of yellow light,
Frequency of yellow light,
It is assumed to find the speed of light in the yellow light.
The speed of a wave is given in terms of wavelength and frequency as :
So, the speed of light in a shade of yellow light is .
Answer:
Step-by-step explanation:
The slope of this line is 2 because the rise from one point is 2, and the run is 1. The change in y-value is divided by the change in the x-value which is 2/1, hence, the slope of the line being 2.
The slope of the line perpendicular to the one shown below will be because the slope that will result in a perpendicular line is the negative reciprocal of the original slope.