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777dan777 [17]
3 years ago
15

Can some one tell me the way to convert polar points to rectangular? Example: (-1, 5pi/2)

Mathematics
1 answer:
sergiy2304 [10]3 years ago
5 0

No problem.  When you have a point with polar coordinates of ( R, Θ ),
its Cartesian (rectangular) coordinates are:

             X = R cos( Θ )

            Y = R sin( Θ )


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A wire 31ft long is stretched from the top of a flagpole to the ground at a point of a flagpole to the ground at a point 15ft fr
Nat2105 [25]

Answer:the height of the flagpole is 27.12 ft

Step-by-step explanation:

The wire makes an angle with the ground and forms a right angle triangle with the flag pole. The length of the wire represents the hypotenuse of the right angle triangle. The height of the flag pole and the ground distance from the wire represents the adjacent and opposite sides respectively.

To determine the height of the flagpole, x we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

31² = x² + 15²

x² = 961 - 225 = 736

x = √736. = 27.12 ft

8 0
3 years ago
Use the distributive property to expand the linear expression. 3(4x + 3) A) 3 4 B) 12x + 6 C) 12x + 9 D) -3 4
kipiarov [429]

Answer:

<h2>C) 12x + 9</h2>

Step-by-step explanation:

The distributive property: <em>a(b + c) = ab + ac</em>.

3(4x+3)=(3)(4x)+(3)(3)=12x+9

8 0
3 years ago
Given h(x) = -x + 1 find h(0)
g100num [7]

Answer:

1

Step-by-step explanation:

Just replace 0 instead of x and simplify.

5 0
4 years ago
If RS is a midsegment of Triangle HIT and parallel to side HI, and RS is 2x + 6 and HI is 5x+9, write and solve an equation to f
Vesna [10]
Hey there, 29levelupchaye2!

We know that a midsegment connects two midpoints of two of the sides of a triangle.
Example: Midpoint of side A connects midpoint of side B making midsegment DE
And that midsegment is parallel and half of the third side.
Example: Midsegment DE must be parallel to side C or third side of the triangle. Midsegment DE must be half of side C
So, in the problem it's given that the midsegment is
2x + 6
And the side that is parallel to it is HI which is
5x + 9
So,
5x + 9
must be twice as
2x + 6
since it's the midsegment.
5x + 9 = 2(2x + 6)
I'm multiplying it by two since the midsegment is half of the side that is parallel.
Once distributed, you will get something like
5x  + 9 = 4x + 12
And now we solve for x
5x - 4x + 9 = 4x - 4x + 12
x + 9 = 12
x + 9 - 9 = 12 - 9
x = 3
So, the formula is
5x + 9 = 2(2x + 6)
And distributed is
5x + 9 = 4x + 12
And the solution is
x = 3
Midsegment is 12 units
And the side is 24 units.

Thank you for using Brainly.
See you soon!
8 0
3 years ago
Which equation shows p(x)= x^6 - 1 factored completely over the integers? (Hint : You will need to use more than one method to c
Fiesta28 [93]

P(x)=(x-1)(x+1)(x^4+x^2+1)

8 0
3 years ago
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