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skad [1K]
3 years ago
11

An equilateral triangle has a side length of 3x^2 - 4x + 9. What is the perimeter of the triangle?

Mathematics
1 answer:
Darina [25.2K]3 years ago
4 0

Answer:

peri=3(3xsq-4x+9)

=9x^2-12x+27

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PLEASE help. I have posted this question many times and no one is answering.
11111nata11111 [884]

Answer:

Proportional

Step-by-step explanation:

It follows the proportion of 1:10, 1 part bleach to 10 parts water.

3 0
3 years ago
BRAINLIESTTT ASAP! PLEASE HELP ME :)
SVEN [57.7K]

Answer:

y = cot(x - ⅓π) + 2  

Step-by-step explanation:

The general equation for a cotangent function with the given properties is

y = Acot(Bx + C) + D, where

    A = the stretching factor

π/|B| = the period

    C = the phase shift (negative is to the right)

    D = the vertical shift

    A = 1

π/|B| = π, so1/|B| = 1 and B = 1

    C = -⅓π

    D = 2

The function is

y = cot(x - ⅓π) + 2

The figure below shows the graph of the function with the given parameters.

Note that the parent function y = cot(x) has the y-axis as an asymptote, so we can measure the phase shift by the movement of the asymptote π units to the right.

3 0
3 years ago
Read 2 more answers
How do you write 23.75 as a mixed number
creativ13 [48]
23 3/4. because if it was 0.25, then you know that it is a quarter, 0.50 is half, therefore 0.75 is three quarters
8 0
3 years ago
Read 2 more answers
Marcy is making a hooked circle-shaped rug for her mother. The circumference of the circle-shaped rug is 75.36 inches. What is t
Nesterboy [21]
     The area of the circular shaped rug would be 451.931, let me explain to you how I got this calculation.
     
     First thing you have to do is know the formula to find the area of a circle. The formula is A=pie x Rsquared, but when you look at the information provided, you dont have the radius, so you have to find it yourself. 
 
    You probably noticed that since diameter is twice the radius, the proportion between circumference and diameter is equal to π: <span>C/D = 2πR / 2R = π is the formula for the convertion of circumfrence to diameter.
</span> 
     Once you find the diameter, which should be rounded to 23.98, you will need to divide it by 2 for the radius which should give you approximatly 11.99. 
 
     Finally, you do the regular formula to find area which is A=pie x Rsquared. so you do 3.14 x (11.99 x 11.99)=451.931in.




8 0
3 years ago
Find the value of :x^2+2xy+y^2-3x-3y-1<br> have: x^2-y=y^2-x (x<img src="https://tex.z-dn.net/?f=%5Cneq" id="TexFormula1" title=
lidiya [134]

Answer: The answer is x^2+2xy+2y^2–3x–3y–1

Step-by-step explanation: Move 2 to the left of y^2.

7 0
2 years ago
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