avablender
08.01.2021 •
Mathematics
At 6 AM, the temperature outside was -12 degrees Celsius. The temperature increased by 5 degrees every hour. Which equation describes the temperature in degrees, d(h), to hours, h, after 6 AM?
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Ответ:
x=10
Step-by-step explanation:
Because the image shows a right angle, we know it's 90 degrees. the two angle measures added together to create the 90 degrees are represented by 4x and 5x, so;
4x+5x=90 (combine like terms)
9x=90 (divide each side by 9 to isolate the variable)
x=10