Which of the following represents the slope and y-intercept of the line?
1 answer:
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Answer:
x ≈ 73.3
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos39° = =
( multiply both sides by x )
x × cos39° = 57 ( divide both sides by cos39° )
x = ≈ 73.3 ( to the nearest tenth )
Answer:
We have that y = 21 when x = 11.
Step-by-step explanation:
We solve this question by proportions, using a rule of three.
Since they vary inversely, we apply the inverse rule of three, that is, with lateral multiplication instead of diagonal.
33 - 7
y - 11
So
Dividing both sides by 11
We have that y = 21 when x = 11.