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littlecedrick2908
24.08.2019 •
Mathematics
Mark recorded two temperature measurements for experiment one was 2/3 of another measurement. if the sum of the measurements -30degrees c , what two measurements were recorded?
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Ответ:
x = 2/3y
2/3y + y = -30
2/3y + 3/3y = -30
5/3y = -30
y = -30 * 3/5
y = -90/5 = - 18
x = 2/3y
x = 2/3(-18)
x = - 36/3 = - 12
the 2 measurements recorded were : -18 and -12
Ответ:
Step-by-step explanation:
Distribute 6 through the parentheses
Add the numbers
Move constant to right hand side and change it's sign
Calculate
Divide both sides of the equation by -6
Calculate
Hope I helped!
Best regards!!