3 years ago

Help me out fast pleaseeeeeeeeeeeeeee

Mathematics

1 answer:

boyakko [2]3 years ago

8 0

Answer:

81 7/12

Step-by-step explanation:

75 5/12 - (-6 1/6)= 81 7/12

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What is the approximate area of the circle shown below?

Taya2010 [7]

Answer:

Step-by-step explanation:

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4 years ago

Which postulate or theorem proves △MNQ≅△PNQ ?

dedylja [7]

Angle Angle Side Congruence Theorem proves ΔMNQ = ΔPNQ.

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4 years ago

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The circle given by : x^2 + y^2 - 6y - 12 = 0 can be written as:

deff fn [24]

Step-by-step explanation:

Given equation of circle is,

${x}^{2} + {y}^{2} - 6y - 12 = 0 \\ by \: compairing \: it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\2 g = 0 \: or \: g = 0 \\ 2f= - 6 \\ or \: f= - 3 \\ c = - 12$

again the another form of circle is,

${x}^{2} + {(y - k)}^{2} = 21 \\ or \: {x}^{2} + {y}^{2} - 2ky + {k}^{2} - 21 = 0 \\ by \: compairing \:it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\ g = 0 \\f = - k \\ c = {k}^{2} - 21$

now equating the values of f in both equations,

-k=-3

i.e. k=3

therefore k=3

4 0

4 years ago

I need help please and thank you

lianna [129]

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Rectangle EFGH = 875

Step-by-step explanation:

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3 years ago

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17 times the sum of a number, n, and 31 is 300. Write as an equation.

Illusion [34]

Answer:

17(n+31)=300

Step-by-step explanation:

17 times the sum of a number, n and 31 is 17(n+31)

and then set that equal to 300

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3 years ago