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vodomira [7]
2 years ago
9

Find the area of a regular pentagon with side = 12

Mathematics
2 answers:
zhenek [66]2 years ago
4 0
A=1
45(5+25)a2=1
4·5·(5+2·5)·122≈247.74875
247.75
Amanda [17]2 years ago
3 0
A≈247.75 i worked the problem out


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<img src="https://tex.z-dn.net/?f=%28%20%7Bx%7D%5E%7B3%7D%20-%208%20%7Bx%7D%5E%7B2%7D%20%20%2B%2019x%20-%209%29%20%5Cdiv%20%28x%
Anna [14]

(x^3-8x^2+19x-9)\div(x-4)=x^2-4x+3\\\underline{-x^3+4x^2}\\=-4x^2+19x\\\underline{\ \ \ \ \ 4x^2-16x}\\.\ \ \ =3x-9\\\underline{\ \ \ \ \ -3x+12}\\.\ \ \ \ \ =\ 3

x^3-8x^2+19x-9=(x^2-4x+3)(x-4)+3



6 0
2 years ago
Glenda and Penny are doing
Volgvan

Answer:

It depends on how many inches they are from the finish line.

Step-by-step explanation:

However, they will be at the same distance at 90 inches when Glenda hops 5 times. 18 x 5 = 90. Penny will also make it to 90 inches when she hops 6 times. 15 x 6 = 90. Then, you will subtract 90 inches from how long the race is in inches.

Hope this helps!

4 0
2 years ago
Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the ident
e-lub [12.9K]

Answer:

Step-by-step explanation:

32²=(40-8)²

=40²-2(40)(8)+8²

=1600-640+64

=1664-640

=1024

also 32²=1024

3 0
2 years ago
The number of goals the Blue Jay hockey team scored in each game last year are: 3, 2, 1, 3, 0, 3, 1, 1, 2, 3, 3 What is the mode
oee [108]

Answer:

3 is the mode

Step-by-step explanation:

4 0
1 year ago
BRAINLY PLS HELP ME OUT ON THE 5,2 what the m value I beg you ASP
Snowcat [4.5K]

Answer:

hypotenuse = 5

height = 2

Using Pythagoras theorem,

5² = 2² + m²

=> 25 = 4 + m²

=> 25–4 = m²

=> √21 = m

=> m = 4.58

Value of m is 4.58

8 0
3 years ago
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