Dee decided to start a lawn mowing business so that he could add to his basketball shoe collection. He already had $50 and charged $25 per yard he mowed. What is the y-intercept in this problem? 50

25

The number of yards

The total amount of money he had.

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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:

60 for the first and 130 for the second

step-by-step explanation:

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