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2 years ago

8

Two forces with the magnitude of 100and 59 pounds act on an object at angles of 50° and 160°, respectively. Find the direction a

nd magnitude of the resultant force. Round to two decimal places in all intermediate steps and in your final answer.

1 answer:

OLga [1]2 years ago

8 0

Answer:

that is absolutely question my prother

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Find the equation of the perpendicular bisector of a line segment whose end points are (-3,9) and (-1,5)

timofeeve [1]

First find the equation of y.

$y=mx+n=\frac{\Delta y}{\Delta x}x+n$

Find the slope m.

$m=\frac{5-9}{-1-3}=\frac{-4}{-4}=1$ .

Pick one point, I'll pick (-3, 9). Insert coordinates in equation then compute n.

$9=1(-3)+n\implies n=12$ .

The equation of a line y is:

$y=x+12$ .

The perpendicular line $y_{\perp}$ is same like the normal line except its slope m becomes:

$k=-\frac{1}{m}=-1$ .

The equation of a perpendicular bisector is thus:

$y_{\perp}=-x+12$ .

Hope this helps.

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3 years ago

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Which list of numbers is shown on the number line below?

almond37 [142]

Answer:

is A

Step-by-step explanation:

Negative 2.5, 1 and three-fourths, 50 percent, 1.5

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2 years ago

-6x+y=-2<br>x-3y=9 what is the solution set?

Anarel [89]

Mult. the 2nd eqn by 6 and then add this "new" equation to the 1st given eqn:

-6x + y = -2
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Find all points having an x-coordinate of 2 whose distance from the point (-1,-2) is 5

mariarad [96]

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3 years ago

Multiples of 3 are always multiples of 6.

Elena L [17]

Answer:yes 3x2=6

Step-by-step explanation:

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3 years ago

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