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yan [13]
3 years ago
7

Write the equation of a line that is perpendicular to the given line and that passes through the given point.

Mathematics
1 answer:
poizon [28]3 years ago
8 0

Answer: y=-3x+29

Step-by-step explanation:

First put in y-intercept form to find the slope

4x-12y=2\\-12y=-4x+2\\y=\frac{1}{3} x-\frac{1}{6}

Slope of the 1st equation is 1/3-  the slope of the line perpendicular is the opposite reciprocal, so in the case it is -3

Use the point and the new slope to write the new equation in point slope format

y-y_{1} =m(x-x_{1} )\\y-(-1)=-3(x-10)\\y+1=-3x+30\\y=-3x+29

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castortr0y [4]

Answer:

84 beads

Step-by-step explanation:

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8 0
3 years ago
What is the surface area of a rectangular prism that has a length of 9 feet a width of 5 feet and a height of 7.5 feet
lukranit [14]

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3 years ago
Thomas has 12 more marbles than twice the number of marbles Andrew has.
Thepotemich [5.8K]

Answer:

A.

x + 2 + 12

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3 0
3 years ago
Solve the following triangle completely.
RUDIKE [14]

Answer:

The answers is below in bold.

Step-by-step explanation:

(a) A = 180 - 25.6 - 124.4 = 30 degrees.

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b / sin B = c / sin C

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b = (39.2 * sin 25.6) / sin 124.4

b = 20.53 m.

Also

a / sin A = c / sin C

a / sin 30 = 39.2 / sin 124.4

a =  (39.2 * sin 30 / sin 124.4

a = 23.75 m.

b). This is solved in a similar way to (a).

First find angle C  using the sine rule.

Then you will know angle A  from the 180 degree Rule.

Then you can find the length of  a using the Sine Rule.

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