3 years ago

One side of a regular pentagon measures 0.8 M what is the perimeter of the regular pentagon

Mathematics

1 answer:

sergejj [24]3 years ago

7 0

Answer:

Step-by-step explanation:

0.8x5=4

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Rewrite the function by completing the square (vertex form)<br><br> f(x)=x^2+16x-46

insens350 [35]

Answer:

$\large\boxed{f(x)=(x+8)^2-110}$

Step-by-step explanation:

$\text{The vertex form of equation}\ y=ax^2+bx+c:\\\\y=a(x-h)^2+k\\\\\text{We have the equation:}\\f(x)=x^2+16x-46=x^2+2(x)(8)-46=x^2+2(x)(8)+8^2-8^2-46\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\to x^2+2(x)(8)+8^2=(x+8)^2\\\\f(x)=(x+8)^2-64-46=(x+8)^2-110$

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2 years ago

Round this number to the nearest 100,000<br> 3,153,007

Bess [88]

Answer:

3,200,000

Step-by-step explanation:

3,153,007 rounds up to 3,200,00 because the number in the ten thousandths place is above 5.

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3 years ago

Which point on the graph represents the y-intercept?

babunello [35]

Answer:

Step-by-step explanation:

It would be point B. Since y-intercept is when the x is at 0, the answer would be point B.

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1 year ago

A polygon’s interior angles sum to 3600 degrees. How many sides does it have?

Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

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3 years ago

answer plsss answer plss

nignag [31]

Answer:

b 2，3，8

Step-by-step explanation:

Y=234678

Z=278910

X=12358

234678910 n 12358

=238

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2 years ago