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ser-zykov [4K]
2 years ago
5

A circle has radius 50 cm. Find the area of the circle to the nearest hundredth.

Mathematics
1 answer:
padilas [110]2 years ago
7 0
Multiply by 2 which will get you a diameter and then multiply it by pi which is 3.14.
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I need help on this question, It's for Algebra 1 Simplify the following expression. (7x2 + 4x - 7) + (4x2 - 6x + 4)
Drupady [299]
You can only add like terms

exg
you can addd
2+4
2x+4x
2x^2+4x^2
2x^3+4x^3

but not
2+4x
2x^2+2x^3


so when adding like terms keep the exponent
4x+2x=6x
4x^3+2x^3=6x^3

(7x^2+4x-7)+(4x^2-6x+4)
get rid of the parenthasees
7x^2+4x-7+4x^2-6x+4
group like terms (x^2 with x^2 x with x, etc)

(7x^2+4x^2)+(4x-6x)+(-7+4)
add like terms
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8 0
2 years ago
Please help me with Alegbra 2!! Solve x2 + 4x + 1 = 0.
Julli [10]
x^2+4x+1=0\\\\\underbrace{x^2+2x\cdot2+2^2}_{(x+2)^2}-2^2+1=0\\\\use\ (a+b)^2=a^2+2ab+b^2\\\\(x+2)^2-4+1=0\\\\(x+2)^2-3=0\\\\(x+2)^2=3\iff x+2=\sqrt3\ or\ x+2=-\sqrt3\\\\\boxed{x=\sqrt3-2\ or\ x=-2-\sqrt3}
7 0
3 years ago
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The city police are trailing the movements of a suspect through the GPS tracker on his phone. The suspect's apartment is represe
Katen [24]
64 is the answer, as all you need to figure out is the length, and width, and multiply them together. Or, just count each unit inside the shape.
6 0
2 years ago
54+54788347589535222
enyata [817]
5.4788348e+16. ........
6 0
3 years ago
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Simplify the expression.
Doss [256]
Distribute 6 thru the parenthesis=

198 pie plus 6 pie

Factor out the perfect square=
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Calculate the square root =

3 pie 22 plus 7 pie 6

Which equals to 31.2177

5 0
3 years ago
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