Select the correct answer. The number of oranges purchased varies directly as the price of the oranges. If 11 oranges cost $2.35
2 answers:
Answer:
A. 3.85
Step-by-step explanation:
- If 11 oranges cost $2.35, we could calculate the cost of each of these oranges, simply dividing the total cost ($2.35) between the amount of oranges bougth (11). This will give us the cost of a single orange, that is, the unitary cost=
.
- Then, if we want to know the cost of 18 oranges, we just have to multiply the cost of a single orange (0.21) by 18: 0.21x18 = 2.85
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Answer:
the equation of the line is 7x + y = 0 .
Step-by-step explanation:
in the standard form of the line that is Ax +By = C we can write it in the form of
By = C - Ax
which is in the form of
where m is the slope of the line and c is y intercept made by the line.
comparing and
we get that and
since it is given that slope of the line is -7 therefore m = -7 and c = 0
therefore and
therefore C = 0 , A = 7 and B = 1
therefore the equation becomes 7x + y = 0