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3 years ago

13

A line passes through the point (-8, 2) and has a slope of -1

1 answer:

Zanzabum3 years ago

4 0

Answer:

y=-x-6

Step-by-step explanation:

Plug this into the equation y-y1=m(x-x1) where m is the slope. We know that it passes through (-8,2) so y1=2 and x1=-8. We also know that the slope is -1 so we can now fill in the equation. y-2=-1(x--8). We can change x--8 to x+8 so y-2=-1(x+8). Simplify this to get y-2=-x-8. You want to isolate y so you have to add 2 on both sides. y=-x-6. Therefore, the equation is y=-x-6.

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Find the coordinates of the midpoint of the segment whose endpoints are given . e(4,-4) , f (1,7)

laila [671]

Let g(x,y) be the midpoint of the segment ef;
So, x = (4+1)/2; then x = 5/2;
y = (-4+7)/2; then y = 3/2;
Finally, g(5/2,3/2).

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3 years ago

Which graph represents the polar curve r = 4cos(30)?

stepan [7]

The equation of the polar curve $r = 4\cos(3\theta)$ is an even cosine function.

<h3>Polar curves</h3>

In geometry, polar curves are curves that are represented by the polar coordinates such that they are drawn around a fixed point

The equation of the polar curve is given as:

$r = 4\cos(3\theta)$

To graph the polar curve, we make use of the following representations:

r represents the y-axis
$\theta$ represents the x-axis

Using the above representation, we can graph the polar curve

See attachment for the graph that represents $r = 4\cos(3\theta)$

Read more about polar curves at:

brainly.com/question/4618020

8 0

2 years ago

Tell me the answer to 2-2

posledela

Answer:

0

Step-by-step explanation:

2-2=0

4 0

4 years ago

Read 2 more answers

If the geometric series 54+36+...+128/27 has seven terms in it's sum then the value of the sum is...

Scorpion4ik [409]

I would say 4 but you might want to check again

6 0

3 years ago

Use the law of sines to solve the given problem. A small island is approximately a triangle in shape. If the longest side of the

shutvik [7]

Answer: the shortest side is 279.24 feet

Step-by-step explanation:

The diagram of the triangle in shown in the attached picture. The given angles of 30 degrees and 50 degrees are for the shorter sides.

Since the sum of angles in a triangle is 180 degrees, it means that the angle of the longer side, x will be

x = 180 - (30 + 50)

x = 180 - 80 = 100 degrees

The sine rule states that

a/sinA = b/sinB = c/sinC

c = 550

a = the shortest side.

Therefore

a/sinA = c/ sinC

a/sin30/= 550/sin100

asin100 = 550sin30

0.9848a = 550×0.5 = 275

a = 275/0.9848

a = 279.24 feet

6 0

3 years ago