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dangina [55]
3 years ago
7

A direct variation equation is graphed. The point (6, 4) is on the graph. Which of the following points are also on the graph of

the equation?
(3, 2)

(-9, -6)

(-12, 8)

(-6, -3)
Mathematics
1 answer:
zubka84 [21]3 years ago
6 0

The value of y / x = 4/6 or 2/3.

So checking the 4 choices the point (3, 2) gives this value and is one of the required points.

Also ( -9, -6) gives y/x = -6/-9 = 2/3 is another answer.

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The slope of the parallel line is -6/7
the slope of the perpendicular line is 7/6
the slope of the line = -6/7
the gradient of two parallel lines are equal
the product of the gradient of two perpendicular lines is -1
: the gradient m1*m2 = -1
m2= -1(-6/7)
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If y varies directly as x and y = 42 when x = 6, find the equation that gives the relationship between x and y.
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An A-frame house is 45 feet high and 32 feet wide. Find the measure of the angle that the roof makes with the floor. Round to th
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Answer:

Angle, \theta=70.4^{\circ}

Step-by-step explanation:

We have, an A-frame house is 45 feet high and 32 feet wide. It is required to find the measure of the angle that the roof makes with the floor.

The attached figure shows the A frame. Let \theta is the angle that the roof makes with the floor. So,

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4 0
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7 0
3 years ago
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