The answer of the question is A
8x - 9y = 1
Solve for y:
-9y = -8x + 1
y = 8/9 x - 1/9
The slope of the given line is 8/9, so the slope of the perpendicular is -9/8.
y = mx + b
y = -9/8 x + b
The perpendicular passes through (3, -4).
-4 = -9/8 * 3 + b
-4 = -27/8 + b
b = -32/8 + 27/8
b = -5/8
The equation in slope-intercept form is
y = -9/8 x - 5/8
Now we change the equation to standard form.
8y = -9x - 5
The equation in standard form is
9x + 8y = -5
Answer:
-4 < x < 2
Step-by-step explanation:
- -4 is where the first point begins.
-4
- since the point is "open", aka not shaded, it should be "<"
-4 <
- we now have to insert the given variable, x
-4 < x
- the second, ending point, is also "open"
-4 < x <
- the ending point lands on 2
-4 < x < 2
hopefully this answers your question. but a little fyi, this is simply the way i learned it, so it may/may not be what you exactly need :)
Answer:
4.025 meters
Step-by-step explanation:
Follow steps in precalculus textbook p. 520
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➷ Perimeter is all the lengths added together
All lengths of a square are the same so you divide by 4
38/4 = 9.5
Each side is 9.5 inches
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