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Maurinko [17]
3 years ago
12

What is the perimeter of the triangle expressed as a polynomial?

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0
Sorry I couldn't find this sooner!

The perimeter of any polygon means the sum of all the lengths of its sides. In this case the sides are (5x - 2), (2x - 3), and (4x + 3). We can find the perimeter by adding all of these lengths up:

(5x - 2) + (2x - 3) + (4x + 3) 
= 5x - 2 + 2x - 3 + 4x + 3
=11x -2

Final Answer: B. 11x - 2

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Find the value of x.
Ainat [17]

Answer:

\textsf{x=22.5}

Step-by-step explanation:

\textsf{According to intersecting tangent - secant theorem,}

\textsf{x=1/2[(4x+5)-50]}

\textsf{2(x)=4x+5-50}

\textsf{2x=4x-45}

\textsf{2x-4x=-45}

\textsf{-2x=-45}

\textsf{x= -45/-2}

\textsf{x=22.5}

\textsf{OAmalOHopeO}

5 0
3 years ago
Brainliest to most helpful! Answer asap!
kap26 [50]

ΔAOB is a right angled triangle. Therefore the Pythagorean Theorem applies in this situation.
θ is the angle from a standard position of the line OA

The length of the y component is √(1-0)2 +(-3-(-3))2] =√(12+ 02) = 1 A(-3,1) to B(-3,0) which is opposite

Then the length of the x-component is √[(-3-0)2 +(0-0)2] = √(9+0)= 3 B(-3,0) to O(0,0) which is adjacent

The length of vector OA is √[(-3-0)2 + (1-0)2] = √(9+1) = √(10) A(-3,1) to O(0,0) which is the hypotenuse of the triangle

θ = 180 - α
sinθ = sin(180-α) = opposite/hypotenuse = 1/√10
cosθ = adjacent/hypotenuse = -3/√10
tanθ = opposite/adjacent = 1/-3 = -1/3

α= arcsin(1/√10) ≈ 18
θ =180 -18 ≈162
8 0
3 years ago
Give an example of a time when finding the percentage of a number would be useful. Explain.
kupik [55]
When you're out shopping and something you want to buy is on sale. You can take the original price and give it's percentage to find out how much it really is.
4 0
3 years ago
Which is a solution to -5x 3x>22
erastova [34]
-5x + 3x > 22
-2x > 22
x < 22/-2  (greater than sign changes to less than sign when you divide with negative number)
x < -11
6 0
3 years ago
Ali was asked to simplify the expression 3(x - 6) + (4x + 12) - 6x. His work is shown below.
liraira [26]

Answer:

Step 2 is wrong.

It should be 3x – <u>18</u> + 4x + 12 – 6x

Explanation:

3(x – 6) + (4x + 12) – 6x →

3x – 18 + 4x + 12 – 6x →

(3x + 4x – 6x) + (-18 + 12) →

x – 6

6 0
3 years ago
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