MartinTDL
05.07.2019 •
Mathematics
Atruck that can carry no more than 6600 lb is being used to transport refrigerators and upright pianos. each refrigerator weighs 250 lb and each piano weighs 525 lb. write and graph an inequality to show how many refrigerators and how many pianos the truck could carry. will 11 refrigerators and 6 pianos overload the truck? explain.
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Ответ:
250x + 525x = 6,600
250(11) + 525(6) = 6,600
2750 + 3150 = 6,600
5,900 = 6,600
So in conclusion, 11 refrigerators and 6 pianos will not overload the truck.
Hope this helped!
-TTL
Ответ:
First one
Step-by-step explanation:
y = f(x)
(y us is a function of x)
y = -3x + 7
So,
f(x) = -3x + 7