What is the perimeter of the figure below?
r
X
r-2

Perimeter = 5x - 2

Step-by-step explanation:

Perimeter of the figure = sum of all its side lengths

Thus:

Perimeter = (x - 4) + (x + 3) + (x - 2) + x + (x + 1)

Perimeter = x - 4 + x + 3 + x - 2 + x + x + 1

Collect like terms

Perimeter = x + x + x + x + x - 4 + 3 - 2 + 1

Perimeter = 5x - 2

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step-by-step explanation:

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explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: