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Kisachek [45]
2 years ago
7

ula1" title="500 = \frac{1}{3} \pi {12 \times 12}^{2} " alt="500 = \frac{1}{3} \pi {12 \times 12}^{2} " align="absmiddle" class="latex-formula">

Mathematics
1 answer:
Ludmilka [50]2 years ago
3 0
The solution of your problem is shown on the picture below.

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Please help ASAP! Thanks a lot
spin [16.1K]
2000 x 1.12^6
= 3947
8 0
2 years ago
enelope determined the solutions of the quadratic function by completing the square. f(x) = 4x2 + 8x + 1 –1 = 4x2 + 8x –1 = 4(x2
Marat540 [252]
The correct question is
<span>Penelope determined the solutions of the quadratic function by completing the square.
f(x) = 4x² + 8x + 1
–1 = 4x² + 8x
–1 = 4(x² + 2x)
–1 + 1 = 4(x² + 2x + 1)
0 = 4(x + 2)²
0 = (x + 2)²
0 = x + 2
–2 = x
What error did Penelope make in her work?

we have that
</span>f(x) = 4x² + 8x + 1
to find the solutions of the quadratic function
let
f(x)=0
 4x² + 8x + 1=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

 (4x² + 8x)=-1

Factor the leading coefficient 

 4*(x² + 2x)=-1

Complete the square Remember to balance the equation by adding the same constants to each side.

 4*(x² + 2x+1)=-1+4 --------> ( added 4 to both sides)

Rewrite as perfect squares

4*(x+1)²=3

(x+1)²=3/4--------> (+/-)[x+1]=√3/2

(+)[x+1]=√3/2---> x1=(√3/2)-1----> x1=(√3-2)/2

(-)[x+1]=√3/2----> x2=(-2-√3)/2

therefore

the answer is

<span>Penelope should have added 4 to both sides instead of adding 1.</span>
6 0
3 years ago
Read 2 more answers
I think it's a but not sure could you tell me if I'm right or if not tell me the answer​
V125BC [204]

Answer:

Leonardo emiliano Castañeda

8 0
2 years ago
Read 2 more answers
Please help Ill give brainy pleas help please
MissTica

Answer:

m=0

Step-by-step explanation:

it just is as there is no change

3 0
2 years ago
Please help Solve:2x -1 &gt;3
wolverine [178]
Your answer should be <span>x>2</span>
8 0
3 years ago
Read 2 more answers
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