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AysviL [449]
2 years ago
15

Find an equation in slope-intercept form for the line containing the following points.

Mathematics
1 answer:
mr_godi [17]2 years ago
3 0

Answer:

y=-x-2

Step-by-step explanation:

slope-intercept form is y = mx+b

slope is change in y over change in x, which is -5-(-3)/(3-1) = -1

y = -x+b

plugging in a point, like (1,-3), we have -3 = -1+b. b = -3+1 = -2

y = -x-2

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Trigonometry questions
trasher [3.6K]

We'll use standard labeling of right triangle ABC, C=90 degrees, legs a, b, hypotenuse c.

11.

Right triangle, cliff peak A, boat B, angle opposite cliff is B=28.9 deg. adjacent leg a=65.7 m, cliff height is leg b.

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12.

Similar story, boat at B, opposite b=3.5 m, rope c=12 m

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13.

c=124 m, A=58°

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14.

That's a hypotenuse c=4-1.2 = 2.8 m to a height b=1.8m so

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15.

Not a right triangle, an isosceles triangle.  Half of it is a right triangle with hypotenuse one arm, c=9.8 cm and angle opposite half the base of B=62/2=31°.  We're after d=2b:

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