2 years ago

Which

Mathematics

1 answer:

Anika [276]2 years ago

5 0

The answer is B. -1/3x + 6

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2/3 multiplied by what equals 3/4

Serga [27]

9/8 is your answer i believe

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kelly makes $10 more an hour than her regular pay when she is working overtime. Yesterday, she worked 8 regular hours and 4 over

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7/9% of 1 is equal to what fraction of the quantity

swat32

7/9% is not 7/9 of 1, it's 7/9 of 0.01.

So, it is 0.0078

Hope this helps!

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2 years ago

Marna is playing a game where you score −5 points each time youguess the correct answer. The goal is to get the lowest score. To

pishuonlain [190]

She would need to score 16 correct answers, because 80/5 = 16.

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2 years ago

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

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2 years ago