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SmokeyRN
17.07.2019 •
Mathematics
The total weight w in pounds of a tractor trailer capable of carrying 8 cars depends on the number of cars c on the trailer.
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Ответ:
To graph the function, we draw the coordinate axis with the number of cars in the horizontal (x) axis and the weight of the truck (in thousands) in the vertical (y) axis.
The horizontal axis is calibrated starting from 0 with increment of 1 and the vertical axis is calibrated starting from 0 with the increment of 5.
From the given function rule, when c = 0 (i.e. when the truck is carrying no car) the weight of the truck is given by w = 37,000 + 4,200(0) = 37,000
Thus, the graph will start at point (0, 37).
Also when the truck is carrying 8 cars, the weight of the truck is given by w = 37,000 + 4,200(8) = 70,600
Thus, the graph will end at point (8, 70.6).
Ответ:
Each pizza must be divided into 6 parts. TRUE
Mario can feed 12 friends with 4 pizzas. TRUE
Step-by-step explanation:
Total number of pizzas Mario has = 4
Now the fraction of pizza eaten by 1 friend = 2/6 = 1/3
⇒ 1 friend eats
of pizza.
So, the fraction if pizza eaten by his 3 friends = 3 x Fraction his 1 friend eats)
Hence, his 3 friends eats 1 complete pizza.
Now, he has a total of 4 pizzas.
So, the number of friends to finish 4 pizza
= 4 x ( Number of people to finish 1 pizza) = 4 x 2 = 12 friends
Hence, his 12 friends eat 4 complete pizza.
Now, the given statements are:
Each pizza must be divided into 4 parts.
False as 3 is NOT divisible by 4
Each pizza must be divided into 6 parts. TRUE
Mario can feed 12 friends with 4 pizzas. TRUE
Mario can feed 24 friends with 4 pizzas. FALSE