2 years ago

Will mark branliest answer if gotten right!!!!!

Mathematics

1 answer:

Crank2 years ago

7 0

Answer:

it is 4

Step-by-step explanation:

i will do this some other time

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A dinner plate has a circumference of 106.76 cm. What is the area of the dinner plate? Use = 3.14.

Sphinxa [80]

C=2pr, r=c/(2p)

a=pr^2, using r found above we get:

a=p(c^2/(4p^2))

a=(c^2)/(4p), since c=106.76 and we approximate pi as 3.14

a=(106.76^2)/(4*3.14)

a=11612.2176/12.56 cm^2

a≈924.54 cm^2 (to nearest one-hundredth of a square cm)

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Answer:

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Step-by-step explanation:

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2 years ago

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Natasha_Volkova [10]

Answer:

See explanation

Step-by-step explanation:

First, convert this to standard form. By completing the square, you can do the following:

$(x^2+2x+1)-1+(y^2+4y+4)-4-44=0$

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This is a circle with center (-1,-2), and radius 7. It looks like the one I graphed below. Hope this helps!

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Add the two expressions.

Ierofanga [76]

-3.2b + 9
by adding like terms together.

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